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Uses better troff formatting. Removes v8 options from the man page. Also edits `node -h` in node.cc slightly. PR-URL: https://github.com/nodejs/node/pull/5497 Reviewed-By: James Snell <jasnell@gmail.com> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>process-exit-stdio-flushing
Jeremiah Senkpiel
9 years ago
2 changed files with 116 additions and 797 deletions
@ -1,839 +1,157 @@ |
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.TH NODE.JS "1" "2010" "" "" |
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.TH NODE 1 2016 Node.js Node.js |
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|
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.\ This is a man page comment. |
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.\ Man page syntax (actually troff syntax) is somewhat obscure, but the |
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.\ important part is is that .<letter> specifies <letter>'s syntax for that |
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.\ line, and \f<letter> specifies it for the characters that follow. |
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.\ See http://liw.fi/manpages/ for more info. |
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|
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.SH "NAME" |
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node \- Server-side JavaScript |
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.SH NAME |
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|
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node \- Server-side JavaScript runtime |
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|
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.SH SYNOPSIS |
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|
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.SH SYNOPSIS |
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|
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.B node |
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[ |
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.B \-v |
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] |
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[ |
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.B \-\-debug |
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| |
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.B \-\-debug-brk |
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] |
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[ |
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.B \-\-v8-options |
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] |
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[\fIoptions\fR] [\fIv8 options\fR] |
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[\fIscript.js\fR | \fB\-e \fR"\fIscript\fR"] |
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[\fIarguments\fR] |
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.br |
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[ |
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.B \-e |
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.I command |
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| |
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.I script.js |
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] |
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[ |
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.I arguments |
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] |
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.B node debug |
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[\fIscript.js\fR | \fB\-e \fR"\fIscript\fR" | \fI<host>:<port>\fR] \fI... |
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.br |
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.B node |
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[\fB\-\-v8-options\fR] |
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|
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Execute without arguments to start the REPL. |
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|
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|
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.SH DESCRIPTION |
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|
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Node.js is a set of libraries for JavaScript which allows |
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it to be used outside of the browser. It is primarily |
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focused on creating simple, easy to build network clients |
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and servers. |
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Node.js is a set of libraries for JavaScript which allows it to be used outside |
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of the browser. It is primarily focused on creating simple, easy to build |
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network clients and servers. |
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|
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|
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.SH OPTIONS |
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|
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-v, --version print node's version |
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.TP |
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.BR \-v ", " \-\-version |
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Print node's version. |
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|
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.TP |
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.BR \-h ", " \-\-help |
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Print node command line options. |
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The output of this option is less detailed than this document. |
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|
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.TP |
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.BR \-e ", " \-\-eval " " \fR"\fIscript\fR" |
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Evaluate the following argument as JavaScript. |
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|
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.TP |
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.BR \-p ", " \-\-print " " \fR"\fIscript\fR" |
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Identical to \fB-e\fR but prints the result. |
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|
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.TP |
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.BR \-c ", " \-\-check |
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Syntax check the script without executing. |
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|
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-e, --eval script evaluate script |
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.TP |
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.BR \-i ", " \-\-interactive |
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Opens the REPL even if stdin does not appear to be a terminal. |
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|
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-p, --print print result of --eval |
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.TP |
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.BR \-r ", " \-\-require " " \fImodule\fR |
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Preload the specified module at startup. Follows `require()`'s module resolution |
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rules. \fImodule\fR may be either a path to a file, or a node module name. |
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|
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-c, --check syntax check script without executing |
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.TP |
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.BR \-\-no\-deprecation |
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Silence deprecation warnings. |
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|
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-i, --interactive always enter the REPL even if stdin |
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does not appear to be a terminal |
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.TP |
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.BR \-\-trace\-deprecation |
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Print stack traces for deprecations. |
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|
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-r, --require module to preload at startup |
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.TP |
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.BR \-\-throw\-deprecation |
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Throw errors for deprecations. |
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|
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--no-deprecation silence deprecation warnings |
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.TP |
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.BR \-\-trace\-sync\-io |
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Prints a stack trace whenever synchronous I/O is detected after the first turn |
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of the event loop. |
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|
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--trace-deprecation show stack traces on deprecations |
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.TP |
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.BR \-\-zero\-fill\-buffers |
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Automatically zero-fills all newly allocated Buffer and SlowBuffer instances. |
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|
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--throw-deprecation throw errors on deprecations |
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.TP |
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.BR \-\-track\-heap-objects |
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Track heap object allocations for heap snapshots. |
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|
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--track-heap-objects track heap object allocations for heap snapshots |
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.TP |
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.BR \-\-prof\-process |
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Process v8 profiler output generated using the v8 option \fB\-\-prof\fR |
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|
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--prof-process process v8 profiler output generated using --prof |
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.TP |
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.BR \-\-v8\-options |
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Print v8 command line options. |
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|
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--zero-fill-buffers automatically zero-fill all newly allocated |
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Buffer and SlowBuffer instances |
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.TP |
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.BR \-\-tls\-cipher\-list =\fIlist\fR |
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Specify an alternative default TLS cipher list. (Requires Node.js to be built with crypto support. (Default)) |
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|
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--v8-options print v8 command line options |
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.TP |
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.BR \-\-enable\-fips |
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Enable FIPS-compliant crypto at startup. (Requires Node.js to be built with \fB./configure \-\-openssl\-fips\fR) |
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|
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.TP |
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.BR \-\-force\-fips |
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Force FIPS-compliant crypto on startup. (Cannot be disabled from script code.) (Same requirements as \fB\-\-enable\-fips\fR) |
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|
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.TP |
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.BR \-\-icu\-data\-dir =\fIfile\fR |
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Specify ICU data load path. (overrides \fBNODE_ICU_DATA\fR) |
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|
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--tls-cipher-list=list use an alternative default TLS cipher list |
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(available only when Node.js is built with |
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OpenSSL and crypto support enabled) |
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|
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.SH ENVIRONMENT VARIABLES |
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|
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.IP NODE_PATH |
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.TP |
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.BR NODE_DEBUG =\fImodule\fR[,\fI...\fR] |
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\',\'\-separated list of core modules that should print debug information. |
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|
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.TP |
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.BR NODE_PATH =\fIpath\fR[:\fI...\fR] |
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\':\'\-separated list of directories prefixed to the module search path. |
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.IP NODE_DISABLE_COLORS |
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If set to 1 then colors will not be used in the REPL. |
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.IP NODE_ICU_DATA |
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|
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.TP |
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.BR NODE_DISABLE_COLORS=1 |
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When set to 1 colors will not be used in the REPL. |
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|
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.TP |
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.BR NODE_ICU_DATA =\fIfile\fR |
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Data path for ICU (Intl object) data. Will extend linked-in data when compiled |
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with small-icu support. |
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.IP NODE_REPL_HISTORY |
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with small\-icu support. |
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|
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.TP |
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.BR NODE_REPL_HISTORY =\fIfile\fR |
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Path to the file used to store the persistent REPL history. The default path |
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is ~/.node_repl_history, which is overridden by this variable. Setting the |
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value to an empty string ("") disables persistent REPL history. |
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|
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.SH V8 OPTIONS |
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|
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--use_strict (enforce strict mode) |
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type: bool default: false |
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--use_strong (enforce strong mode) |
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type: bool default: false |
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--strong_mode (experimental strong language mode) |
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type: bool default: false |
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--strong_this (don't allow 'this' to escape from constructors) |
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type: bool default: true |
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--es_staging (enable all completed harmony features) |
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type: bool default: false |
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--harmony (enable all completed harmony features) |
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type: bool default: false |
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--harmony_shipping (enable all shipped harmony features) |
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type: bool default: true |
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--legacy_const (legacy semantics for const in sloppy mode) |
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type: bool default: true |
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--harmony_modules (enable "harmony modules" (in progress)) |
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type: bool default: false |
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--harmony_regexps (enable "harmony regular expression extensions" (in progress)) |
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type: bool default: false |
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--harmony_proxies (enable "harmony proxies" (in progress)) |
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type: bool default: false |
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--harmony_sloppy_function (enable "harmony sloppy function block scoping" (in progress)) |
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type: bool default: false |
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--harmony_sloppy_let (enable "harmony let in sloppy mode" (in progress)) |
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type: bool default: false |
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--harmony_unicode_regexps (enable "harmony unicode regexps" (in progress)) |
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type: bool default: false |
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--harmony_reflect (enable "harmony Reflect API" (in progress)) |
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type: bool default: false |
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--harmony_destructuring (enable "harmony destructuring" (in progress)) |
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type: bool default: false |
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--harmony_default_parameters (enable "harmony default parameters" (in progress)) |
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type: bool default: false |
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--harmony_sharedarraybuffer (enable "harmony sharedarraybuffer" (in progress)) |
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type: bool default: false |
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--harmony_atomics (enable "harmony atomics" (in progress)) |
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type: bool default: false |
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--harmony_simd (enable "harmony simd" (in progress)) |
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type: bool default: false |
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--harmony_array_includes (enable "harmony Array.prototype.includes") |
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type: bool default: false |
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--harmony_tostring (enable "harmony toString") |
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type: bool default: false |
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--harmony_concat_spreadable (enable "harmony isConcatSpreadable") |
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type: bool default: false |
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--harmony_rest_parameters (enable "harmony rest parameters") |
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type: bool default: false |
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--harmony_sloppy (enable "harmony features in sloppy mode") |
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type: bool default: false |
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--harmony_arrow_functions (enable "harmony arrow functions") |
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type: bool default: true |
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--harmony_new_target (enable "harmony new.target") |
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type: bool default: true |
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--harmony_object_observe (enable "harmony Object.observe") |
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type: bool default: true |
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--harmony_spreadcalls (enable "harmony spread-calls") |
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type: bool default: true |
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--harmony_spread_arrays (enable "harmony spread in array literals") |
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type: bool default: true |
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--harmony_object (enable "harmony Object methods") |
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type: bool default: true |
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--compiled_keyed_generic_loads (use optimizing compiler to generate keyed generic load stubs) |
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type: bool default: false |
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--pretenuring_call_new (pretenure call new) |
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type: bool default: false |
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--allocation_site_pretenuring (pretenure with allocation sites) |
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type: bool default: true |
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--trace_pretenuring (trace pretenuring decisions of HAllocate instructions) |
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type: bool default: false |
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--trace_pretenuring_statistics (trace allocation site pretenuring statistics) |
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type: bool default: false |
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--track_fields (track fields with only smi values) |
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type: bool default: true |
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--track_double_fields (track fields with double values) |
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type: bool default: true |
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--track_heap_object_fields (track fields with heap values) |
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type: bool default: true |
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--track_computed_fields (track computed boilerplate fields) |
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type: bool default: true |
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--track_field_types (track field types) |
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type: bool default: true |
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--smi_binop (support smi representation in binary operations) |
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type: bool default: true |
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--optimize_for_size (Enables optimizations which favor memory size over execution speed) |
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type: bool default: false |
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--unbox_double_arrays (automatically unbox arrays of doubles) |
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type: bool default: true |
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--string_slices (use string slices) |
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type: bool default: true |
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--ignition (use ignition interpreter) |
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type: bool default: false |
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--ignition_filter (filter for ignition interpreter) |
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type: string default: ~~ |
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--print_bytecode (print bytecode generated by ignition interpreter) |
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type: bool default: false |
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--trace_ignition_codegen (trace the codegen of ignition interpreter bytecode handlers) |
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type: bool default: false |
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--crankshaft (use crankshaft) |
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type: bool default: true |
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--hydrogen_filter (optimization filter) |
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type: string default: * |
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--use_gvn (use hydrogen global value numbering) |
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type: bool default: true |
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--gvn_iterations (maximum number of GVN fix-point iterations) |
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type: int default: 3 |
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--use_canonicalizing (use hydrogen instruction canonicalizing) |
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type: bool default: true |
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--use_inlining (use function inlining) |
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type: bool default: true |
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--use_escape_analysis (use hydrogen escape analysis) |
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type: bool default: true |
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--use_allocation_folding (use allocation folding) |
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type: bool default: true |
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--use_local_allocation_folding (only fold in basic blocks) |
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type: bool default: false |
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--use_write_barrier_elimination (eliminate write barriers targeting allocations in optimized code) |
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type: bool default: true |
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--max_inlining_levels (maximum number of inlining levels) |
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type: int default: 5 |
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--max_inlined_source_size (maximum source size in bytes considered for a single inlining) |
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type: int default: 600 |
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--max_inlined_nodes (maximum number of AST nodes considered for a single inlining) |
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type: int default: 196 |
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--max_inlined_nodes_cumulative (maximum cumulative number of AST nodes considered for inlining) |
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type: int default: 400 |
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--loop_invariant_code_motion (loop invariant code motion) |
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type: bool default: true |
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--fast_math (faster (but maybe less accurate) math functions) |
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type: bool default: true |
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--collect_megamorphic_maps_from_stub_cache (crankshaft harvests type feedback from stub cache) |
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type: bool default: true |
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--hydrogen_stats (print statistics for hydrogen) |
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type: bool default: false |
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--trace_check_elimination (trace check elimination phase) |
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type: bool default: false |
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--trace_environment_liveness (trace liveness of local variable slots) |
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type: bool default: false |
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--trace_hydrogen (trace generated hydrogen to file) |
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type: bool default: false |
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--trace_hydrogen_filter (hydrogen tracing filter) |
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type: string default: * |
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--trace_hydrogen_stubs (trace generated hydrogen for stubs) |
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type: bool default: false |
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--trace_hydrogen_file (trace hydrogen to given file name) |
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type: string default: NULL |
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--trace_phase (trace generated IR for specified phases) |
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type: string default: HLZ |
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--trace_inlining (trace inlining decisions) |
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type: bool default: false |
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--trace_load_elimination (trace load elimination) |
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type: bool default: false |
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--trace_store_elimination (trace store elimination) |
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type: bool default: false |
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--trace_alloc (trace register allocator) |
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type: bool default: false |
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--trace_all_uses (trace all use positions) |
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type: bool default: false |
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--trace_range (trace range analysis) |
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type: bool default: false |
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--trace_gvn (trace global value numbering) |
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type: bool default: false |
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--trace_representation (trace representation types) |
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type: bool default: false |
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--trace_removable_simulates (trace removable simulates) |
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type: bool default: false |
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--trace_escape_analysis (trace hydrogen escape analysis) |
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type: bool default: false |
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--trace_allocation_folding (trace allocation folding) |
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type: bool default: false |
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--trace_track_allocation_sites (trace the tracking of allocation sites) |
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type: bool default: false |
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--trace_migration (trace object migration) |
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type: bool default: false |
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--trace_generalization (trace map generalization) |
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type: bool default: false |
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--stress_pointer_maps (pointer map for every instruction) |
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type: bool default: false |
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--stress_environments (environment for every instruction) |
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type: bool default: false |
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--deopt_every_n_times (deoptimize every n times a deopt point is passed) |
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type: int default: 0 |
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--deopt_every_n_garbage_collections (deoptimize every n garbage collections) |
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type: int default: 0 |
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--print_deopt_stress (print number of possible deopt points) |
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type: bool default: false |
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--trap_on_deopt (put a break point before deoptimizing) |
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type: bool default: false |
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--trap_on_stub_deopt (put a break point before deoptimizing a stub) |
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type: bool default: false |
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--deoptimize_uncommon_cases (deoptimize uncommon cases) |
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type: bool default: true |
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--polymorphic_inlining (polymorphic inlining) |
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type: bool default: true |
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--use_osr (use on-stack replacement) |
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type: bool default: true |
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--array_bounds_checks_elimination (perform array bounds checks elimination) |
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type: bool default: true |
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--trace_bce (trace array bounds check elimination) |
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type: bool default: false |
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--array_bounds_checks_hoisting (perform array bounds checks hoisting) |
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type: bool default: false |
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--array_index_dehoisting (perform array index dehoisting) |
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type: bool default: true |
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--analyze_environment_liveness (analyze liveness of environment slots and zap dead values) |
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type: bool default: true |
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--load_elimination (use load elimination) |
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type: bool default: true |
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--check_elimination (use check elimination) |
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type: bool default: true |
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--store_elimination (use store elimination) |
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type: bool default: false |
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--dead_code_elimination (use dead code elimination) |
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type: bool default: true |
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--fold_constants (use constant folding) |
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type: bool default: true |
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--trace_dead_code_elimination (trace dead code elimination) |
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type: bool default: false |
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--unreachable_code_elimination (eliminate unreachable code) |
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type: bool default: true |
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--trace_osr (trace on-stack replacement) |
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type: bool default: false |
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--stress_runs (number of stress runs) |
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type: int default: 0 |
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--lookup_sample_by_shared (when picking a function to optimize, watch for shared function info, not JSFunction itself) |
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type: bool default: true |
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--cache_optimized_code (cache optimized code for closures) |
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type: bool default: true |
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--flush_optimized_code_cache (flushes the cache of optimized code for closures on every GC) |
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type: bool default: true |
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--inline_construct (inline constructor calls) |
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type: bool default: true |
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--inline_arguments (inline functions with arguments object) |
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type: bool default: true |
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--inline_accessors (inline JavaScript accessors) |
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type: bool default: true |
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--escape_analysis_iterations (maximum number of escape analysis fix-point iterations) |
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type: int default: 2 |
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--optimize_for_in (optimize functions containing for-in loops) |
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type: bool default: true |
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--concurrent_recompilation (optimizing hot functions asynchronously on a separate thread) |
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type: bool default: true |
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--trace_concurrent_recompilation (track concurrent recompilation) |
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type: bool default: false |
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--concurrent_recompilation_queue_length (the length of the concurrent compilation queue) |
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type: int default: 8 |
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--concurrent_recompilation_delay (artificial compilation delay in ms) |
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type: int default: 0 |
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--block_concurrent_recompilation (block queued jobs until released) |
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type: bool default: false |
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--concurrent_osr (concurrent on-stack replacement) |
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type: bool default: true |
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--omit_map_checks_for_leaf_maps (do not emit check maps for constant values that have a leaf map, deoptimize the optimized code if the layout of the maps changes.) |
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type: bool default: true |
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--turbo (enable TurboFan compiler) |
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type: bool default: false |
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--turbo_shipping (enable TurboFan compiler on subset) |
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type: bool default: true |
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--turbo_greedy_regalloc (use the greedy register allocator) |
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type: bool default: false |
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--turbo_preprocess_ranges (run pre-register allocation heuristics) |
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type: bool default: false |
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--turbo_filter (optimization filter for TurboFan compiler) |
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type: string default: ~~ |
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--trace_turbo (trace generated TurboFan IR) |
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type: bool default: false |
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--trace_turbo_graph (trace generated TurboFan graphs) |
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type: bool default: false |
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--trace_turbo_cfg_file (trace turbo cfg graph (for C1 visualizer) to a given file name) |
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type: string default: NULL |
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--trace_turbo_types (trace TurboFan's types) |
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type: bool default: true |
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--trace_turbo_scheduler (trace TurboFan's scheduler) |
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type: bool default: false |
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--trace_turbo_reduction (trace TurboFan's various reducers) |
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type: bool default: false |
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--trace_turbo_jt (trace TurboFan's jump threading) |
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type: bool default: false |
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--trace_turbo_ceq (trace TurboFan's control equivalence) |
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type: bool default: false |
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--turbo_asm (enable TurboFan for asm.js code) |
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type: bool default: true |
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--turbo_asm_deoptimization (enable deoptimization in TurboFan for asm.js code) |
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type: bool default: false |
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--turbo_verify (verify TurboFan graphs at each phase) |
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type: bool default: false |
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--turbo_stats (print TurboFan statistics) |
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type: bool default: false |
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--turbo_splitting (split nodes during scheduling in TurboFan) |
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type: bool default: true |
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--turbo_types (use typed lowering in TurboFan) |
|||
type: bool default: true |
|||
--turbo_type_feedback (use type feedback in TurboFan) |
|||
type: bool default: false |
|||
--turbo_allocate (enable inline allocations in TurboFan) |
|||
type: bool default: false |
|||
--turbo_source_positions (track source code positions when building TurboFan IR) |
|||
type: bool default: false |
|||
--context_specialization (enable context specialization in TurboFan) |
|||
type: bool default: false |
|||
--turbo_inlining (enable inlining in TurboFan) |
|||
type: bool default: false |
|||
--trace_turbo_inlining (trace TurboFan inlining) |
|||
type: bool default: false |
|||
--loop_assignment_analysis (perform loop assignment analysis) |
|||
type: bool default: true |
|||
--turbo_profiling (enable profiling in TurboFan) |
|||
type: bool default: false |
|||
--turbo_verify_allocation (verify register allocation in TurboFan) |
|||
type: bool default: false |
|||
--turbo_move_optimization (optimize gap moves in TurboFan) |
|||
type: bool default: true |
|||
--turbo_jt (enable jump threading in TurboFan) |
|||
type: bool default: true |
|||
--turbo_osr (enable OSR in TurboFan) |
|||
type: bool default: true |
|||
--turbo_try_catch (enable try-catch support in TurboFan) |
|||
type: bool default: true |
|||
--turbo_try_finally (enable try-finally support in TurboFan) |
|||
type: bool default: false |
|||
--turbo_stress_loop_peeling (stress loop peeling optimization) |
|||
type: bool default: false |
|||
--turbo_cf_optimization (optimize control flow in TurboFan) |
|||
type: bool default: true |
|||
--turbo_frame_elision (elide frames in TurboFan) |
|||
type: bool default: true |
|||
--turbo_cache_shared_code (cache context-independent code) |
|||
type: bool default: true |
|||
--turbo_preserve_shared_code (keep context-independent code) |
|||
type: bool default: false |
|||
--typed_array_max_size_in_heap (threshold for in-heap typed array) |
|||
type: int default: 64 |
|||
--frame_count (number of stack frames inspected by the profiler) |
|||
type: int default: 1 |
|||
--interrupt_budget (execution budget before interrupt is triggered) |
|||
type: int default: 6144 |
|||
--type_info_threshold (percentage of ICs that must have type info to allow optimization) |
|||
type: int default: 25 |
|||
--generic_ic_threshold (max percentage of megamorphic/generic ICs to allow optimization) |
|||
type: int default: 30 |
|||
--self_opt_count (call count before self-optimization) |
|||
type: int default: 130 |
|||
--trace_opt_verbose (extra verbose compilation tracing) |
|||
type: bool default: false |
|||
--debug_code (generate extra code (assertions) for debugging) |
|||
type: bool default: false |
|||
--code_comments (emit comments in code disassembly) |
|||
type: bool default: false |
|||
--enable_sse3 (enable use of SSE3 instructions if available) |
|||
type: bool default: true |
|||
--enable_sse4_1 (enable use of SSE4.1 instructions if available) |
|||
type: bool default: true |
|||
--enable_sahf (enable use of SAHF instruction if available (X64 only)) |
|||
type: bool default: true |
|||
--enable_avx (enable use of AVX instructions if available) |
|||
type: bool default: true |
|||
--enable_fma3 (enable use of FMA3 instructions if available) |
|||
type: bool default: true |
|||
--enable_bmi1 (enable use of BMI1 instructions if available) |
|||
type: bool default: true |
|||
--enable_bmi2 (enable use of BMI2 instructions if available) |
|||
type: bool default: true |
|||
--enable_lzcnt (enable use of LZCNT instruction if available) |
|||
type: bool default: true |
|||
--enable_popcnt (enable use of POPCNT instruction if available) |
|||
type: bool default: true |
|||
--enable_vfp3 (enable use of VFP3 instructions if available) |
|||
type: bool default: true |
|||
--enable_armv7 (enable use of ARMv7 instructions if available (ARM only)) |
|||
type: bool default: true |
|||
--enable_armv8 (enable use of ARMv8 instructions if available (ARM 32-bit only)) |
|||
type: bool default: true |
|||
--enable_neon (enable use of NEON instructions if available (ARM only)) |
|||
type: bool default: true |
|||
--enable_sudiv (enable use of SDIV and UDIV instructions if available (ARM only)) |
|||
type: bool default: true |
|||
--enable_mls (enable use of MLS instructions if available (ARM only)) |
|||
type: bool default: true |
|||
--enable_movw_movt (enable loading 32-bit constant by means of movw/movt instruction pairs (ARM only)) |
|||
type: bool default: false |
|||
--enable_unaligned_accesses (enable unaligned accesses for ARMv7 (ARM only)) |
|||
type: bool default: true |
|||
--enable_32dregs (enable use of d16-d31 registers on ARM - this requires VFP3) |
|||
type: bool default: true |
|||
--enable_vldr_imm (enable use of constant pools for double immediate (ARM only)) |
|||
type: bool default: false |
|||
--force_long_branches (force all emitted branches to be in long mode (MIPS/PPC only)) |
|||
type: bool default: false |
|||
--mcpu (enable optimization for specific cpu) |
|||
type: string default: auto |
|||
--expose_natives_as (expose natives in global object) |
|||
type: string default: NULL |
|||
--expose_debug_as (expose debug in global object) |
|||
type: string default: NULL |
|||
--expose_free_buffer (expose freeBuffer extension) |
|||
type: bool default: false |
|||
--expose_gc (expose gc extension) |
|||
type: bool default: false |
|||
--expose_gc_as (expose gc extension under the specified name) |
|||
type: string default: NULL |
|||
--expose_externalize_string (expose externalize string extension) |
|||
type: bool default: false |
|||
--expose_trigger_failure (expose trigger-failure extension) |
|||
type: bool default: false |
|||
--stack_trace_limit (number of stack frames to capture) |
|||
type: int default: 10 |
|||
--builtins_in_stack_traces (show built-in functions in stack traces) |
|||
type: bool default: false |
|||
--disable_native_files (disable builtin natives files) |
|||
type: bool default: false |
|||
--inline_new (use fast inline allocation) |
|||
type: bool default: true |
|||
--trace_codegen (print name of functions for which code is generated) |
|||
type: bool default: false |
|||
--trace (trace function calls) |
|||
type: bool default: false |
|||
--mask_constants_with_cookie (use random jit cookie to mask large constants) |
|||
type: bool default: true |
|||
--lazy (use lazy compilation) |
|||
type: bool default: true |
|||
--trace_opt (trace lazy optimization) |
|||
type: bool default: false |
|||
--trace_opt_stats (trace lazy optimization statistics) |
|||
type: bool default: false |
|||
--opt (use adaptive optimizations) |
|||
type: bool default: true |
|||
--always_opt (always try to optimize functions) |
|||
type: bool default: false |
|||
--always_osr (always try to OSR functions) |
|||
type: bool default: false |
|||
--prepare_always_opt (prepare for turning on always opt) |
|||
type: bool default: false |
|||
--trace_deopt (trace optimize function deoptimization) |
|||
type: bool default: false |
|||
--trace_stub_failures (trace deoptimization of generated code stubs) |
|||
type: bool default: false |
|||
--serialize_toplevel (enable caching of toplevel scripts) |
|||
type: bool default: true |
|||
--serialize_inner (enable caching of inner functions) |
|||
type: bool default: true |
|||
--trace_serializer (print code serializer trace) |
|||
type: bool default: false |
|||
--min_preparse_length (minimum length for automatic enable preparsing) |
|||
type: int default: 1024 |
|||
--max_opt_count (maximum number of optimization attempts before giving up.) |
|||
type: int default: 10 |
|||
--compilation_cache (enable compilation cache) |
|||
type: bool default: true |
|||
--cache_prototype_transitions (cache prototype transitions) |
|||
type: bool default: true |
|||
--cpu_profiler_sampling_interval (CPU profiler sampling interval in microseconds) |
|||
type: int default: 1000 |
|||
--trace_debug_json (trace debugging JSON request/response) |
|||
type: bool default: false |
|||
--trace_js_array_abuse (trace out-of-bounds accesses to JS arrays) |
|||
type: bool default: false |
|||
--trace_external_array_abuse (trace out-of-bounds-accesses to external arrays) |
|||
type: bool default: false |
|||
--trace_array_abuse (trace out-of-bounds accesses to all arrays) |
|||
type: bool default: false |
|||
--enable_liveedit (enable liveedit experimental feature) |
|||
type: bool default: true |
|||
--hard_abort (abort by crashing) |
|||
type: bool default: true |
|||
--stack_size (default size of stack region v8 is allowed to use (in kBytes)) |
|||
type: int default: 984 |
|||
--max_stack_trace_source_length (maximum length of function source code printed in a stack trace.) |
|||
type: int default: 300 |
|||
--always_inline_smi_code (always inline smi code in non-opt code) |
|||
type: bool default: false |
|||
--min_semi_space_size (min size of a semi-space (in MBytes), the new space consists of twosemi-spaces) |
|||
type: int default: 0 |
|||
--target_semi_space_size (target size of a semi-space (in MBytes) before triggering a GC) |
|||
type: int default: 0 |
|||
--max_semi_space_size (max size of a semi-space (in MBytes), the new space consists of twosemi-spaces) |
|||
type: int default: 0 |
|||
--semi_space_growth_factor (factor by which to grow the new space) |
|||
type: int default: 2 |
|||
--experimental_new_space_growth_heuristic (Grow the new space based on the percentage of survivors instead of their absolute value.) |
|||
type: bool default: false |
|||
--max_old_space_size (max size of the old space (in Mbytes)) |
|||
type: int default: 0 |
|||
--initial_old_space_size (initial old space size (in Mbytes)) |
|||
type: int default: 0 |
|||
--max_executable_size (max size of executable memory (in Mbytes)) |
|||
type: int default: 0 |
|||
--gc_global (always perform global GCs) |
|||
type: bool default: false |
|||
--gc_interval (garbage collect after <n> allocations) |
|||
type: int default: -1 |
|||
--retain_maps_for_n_gc (keeps maps alive for <n> old space garbage collections) |
|||
type: int default: 2 |
|||
--trace_gc (print one trace line following each garbage collection) |
|||
type: bool default: false |
|||
--trace_gc_nvp (print one detailed trace line in name=value format after each garbage collection) |
|||
type: bool default: false |
|||
--trace_gc_ignore_scavenger (do not print trace line after scavenger collection) |
|||
type: bool default: false |
|||
--trace_idle_notification (print one trace line following each idle notification) |
|||
type: bool default: false |
|||
--trace_idle_notification_verbose (prints the heap state used by the idle notification) |
|||
type: bool default: false |
|||
--print_cumulative_gc_stat (print cumulative GC statistics in name=value format on exit) |
|||
type: bool default: false |
|||
--print_max_heap_committed (print statistics of the maximum memory committed for the heap in name=value format on exit) |
|||
type: bool default: false |
|||
--trace_gc_verbose (print more details following each garbage collection) |
|||
type: bool default: false |
|||
--trace_allocation_stack_interval (print stack trace after <n> free-list allocations) |
|||
type: int default: -1 |
|||
--trace_fragmentation (report fragmentation for old space) |
|||
type: bool default: false |
|||
--trace_fragmentation_verbose (report fragmentation for old space (detailed)) |
|||
type: bool default: false |
|||
--trace_mutator_utilization (print mutator utilization, allocation speed, gc speed) |
|||
type: bool default: false |
|||
--weak_embedded_maps_in_optimized_code (make maps embedded in optimized code weak) |
|||
type: bool default: true |
|||
--weak_embedded_objects_in_optimized_code (make objects embedded in optimized code weak) |
|||
type: bool default: true |
|||
--flush_code (flush code that we expect not to use again) |
|||
type: bool default: true |
|||
--trace_code_flushing (trace code flushing progress) |
|||
type: bool default: false |
|||
--age_code (track un-executed functions to age code and flush only old code (required for code flushing)) |
|||
type: bool default: true |
|||
--incremental_marking (use incremental marking) |
|||
type: bool default: true |
|||
--overapproximate_weak_closure (overapproximate weak closer to reduce atomic pause time) |
|||
type: bool default: true |
|||
--min_progress_during_object_groups_marking (keep overapproximating the weak closure as long as we discover at least this many unmarked objects) |
|||
type: int default: 128 |
|||
--max_object_groups_marking_rounds (at most try this many times to over approximate the weak closure) |
|||
type: int default: 3 |
|||
--concurrent_sweeping (use concurrent sweeping) |
|||
type: bool default: true |
|||
--trace_incremental_marking (trace progress of the incremental marking) |
|||
type: bool default: false |
|||
--track_gc_object_stats (track object counts and memory usage) |
|||
type: bool default: false |
|||
--trace_gc_object_stats (trace object counts and memory usage) |
|||
type: bool default: false |
|||
--track_detached_contexts (track native contexts that are expected to be garbage collected) |
|||
type: bool default: true |
|||
--trace_detached_contexts (trace native contexts that are expected to be garbage collected) |
|||
type: bool default: false |
|||
--histogram_interval (time interval in ms for aggregating memory histograms) |
|||
type: int default: 600000 |
|||
--heap_profiler_trace_objects (Dump heap object allocations/movements/size_updates) |
|||
type: bool default: false |
|||
--use_idle_notification (Use idle notification to reduce memory footprint.) |
|||
type: bool default: true |
|||
--use_ic (use inline caching) |
|||
type: bool default: true |
|||
--trace_ic (trace inline cache state transitions) |
|||
type: bool default: false |
|||
--vector_stores (use vectors for store ics) |
|||
type: bool default: false |
|||
--global_var_shortcuts (use ic-less global loads and stores) |
|||
type: bool default: false |
|||
--native_code_counters (generate extra code for manipulating stats counters) |
|||
type: bool default: false |
|||
--always_compact (Perform compaction on every full GC) |
|||
type: bool default: false |
|||
--never_compact (Never perform compaction on full GC - testing only) |
|||
type: bool default: false |
|||
--compact_code_space (Compact code space on full collections) |
|||
type: bool default: true |
|||
--cleanup_code_caches_at_gc (Flush inline caches prior to mark compact collection and flush code caches in maps during mark compact cycle.) |
|||
type: bool default: true |
|||
--use_marking_progress_bar (Use a progress bar to scan large objects in increments when incremental marking is active.) |
|||
type: bool default: true |
|||
--zap_code_space (Zap free memory in code space with 0xCC while sweeping.) |
|||
type: bool default: false |
|||
--random_seed (Default seed for initializing random generator (0, the default, means to use system random).) |
|||
type: int default: 0 |
|||
--trace_weak_arrays (Trace WeakFixedArray usage) |
|||
type: bool default: false |
|||
--track_prototype_users (Keep track of which maps refer to a given prototype object) |
|||
type: bool default: false |
|||
--trace_prototype_users (Trace updates to prototype user tracking) |
|||
type: bool default: false |
|||
--eliminate_prototype_chain_checks (Collapse prototype chain checks into single-cell checks) |
|||
type: bool default: true |
|||
--use_verbose_printer (allows verbose printing) |
|||
type: bool default: true |
|||
--allow_natives_syntax (allow natives syntax) |
|||
type: bool default: false |
|||
--trace_parse (trace parsing and preparsing) |
|||
type: bool default: false |
|||
--trace_sim (Trace simulator execution) |
|||
type: bool default: false |
|||
--debug_sim (Enable debugging the simulator) |
|||
type: bool default: false |
|||
--check_icache (Check icache flushes in ARM and MIPS simulator) |
|||
type: bool default: false |
|||
--stop_sim_at (Simulator stop after x number of instructions) |
|||
type: int default: 0 |
|||
--sim_stack_alignment (Stack alingment in bytes in simulator (4 or 8, 8 is default)) |
|||
type: int default: 8 |
|||
--sim_stack_size (Stack size of the ARM64, MIPS64 and PPC64 simulator in kBytes (default is 2 MB)) |
|||
type: int default: 2048 |
|||
--log_regs_modified (When logging register values, only print modified registers.) |
|||
type: bool default: true |
|||
--log_colour (When logging, try to use coloured output.) |
|||
type: bool default: true |
|||
--ignore_asm_unimplemented_break (Don't break for ASM_UNIMPLEMENTED_BREAK macros.) |
|||
type: bool default: false |
|||
--trace_sim_messages (Trace simulator debug messages. Implied by --trace-sim.) |
|||
type: bool default: false |
|||
--stack_trace_on_illegal (print stack trace when an illegal exception is thrown) |
|||
type: bool default: false |
|||
--abort_on_uncaught_exception (abort program (dump core) when an uncaught exception is thrown) |
|||
type: bool default: false |
|||
--randomize_hashes (randomize hashes to avoid predictable hash collisions (with snapshots this option cannot override the baked-in seed)) |
|||
type: bool default: true |
|||
--hash_seed (Fixed seed to use to hash property keys (0 means random)(with snapshots this option cannot override the baked-in seed)) |
|||
type: int default: 0 |
|||
--profile_deserialization (Print the time it takes to deserialize the snapshot.) |
|||
type: bool default: false |
|||
--serialization_statistics (Collect statistics on serialized objects.) |
|||
type: bool default: false |
|||
--regexp_optimization (generate optimized regexp code) |
|||
type: bool default: true |
|||
--testing_bool_flag (testing_bool_flag) |
|||
type: bool default: true |
|||
--testing_maybe_bool_flag (testing_maybe_bool_flag) |
|||
type: maybe_bool default: unset |
|||
--testing_int_flag (testing_int_flag) |
|||
type: int default: 13 |
|||
--testing_float_flag (float-flag) |
|||
type: float default: 2.5 |
|||
--testing_string_flag (string-flag) |
|||
type: string default: Hello, world! |
|||
--testing_prng_seed (Seed used for threading test randomness) |
|||
type: int default: 42 |
|||
--testing_serialization_file (file in which to serialize heap) |
|||
type: string default: /tmp/serdes |
|||
--startup_blob (Write V8 startup blob file. (mksnapshot only)) |
|||
type: string default: NULL |
|||
--profile_hydrogen_code_stub_compilation (Print the time it takes to lazily compile hydrogen code stubs.) |
|||
type: bool default: false |
|||
--predictable (enable predictable mode) |
|||
type: bool default: false |
|||
--force_marking_deque_overflows (force overflows of marking deque by reducing it's size to 64 words) |
|||
type: bool default: false |
|||
--stress_compaction (stress the GC compactor to flush out bugs (implies --force_marking_deque_overflows)) |
|||
type: bool default: false |
|||
--manual_evacuation_candidates_selection (Test mode only flag. It allows an unit test to select evacuation candidates pages (requires --stress_compaction).) |
|||
type: bool default: false |
|||
--external_allocation_limit_incremental_time (Time spent in incremental marking steps (in ms) once the external allocation limit is reached) |
|||
type: int default: 1 |
|||
--help (Print usage message, including flags, on console) |
|||
type: bool default: true |
|||
--dump_counters (Dump counters on exit) |
|||
type: bool default: false |
|||
--map_counters (Map counters to a file) |
|||
type: string default: |
|||
--js_arguments (Pass all remaining arguments to the script. Alias for "--".) |
|||
type: arguments default: |
|||
--log (Minimal logging (no API, code, GC, suspect, or handles samples).) |
|||
type: bool default: false |
|||
--log_all (Log all events to the log file.) |
|||
type: bool default: false |
|||
--log_api (Log API events to the log file.) |
|||
type: bool default: false |
|||
--log_code (Log code events to the log file without profiling.) |
|||
type: bool default: false |
|||
--log_gc (Log heap samples on garbage collection for the hp2ps tool.) |
|||
type: bool default: false |
|||
--log_handles (Log global handle events.) |
|||
type: bool default: false |
|||
--log_snapshot_positions (log positions of (de)serialized objects in the snapshot.) |
|||
type: bool default: false |
|||
--log_suspect (Log suspect operations.) |
|||
type: bool default: false |
|||
--prof (Log statistical profiling information (implies --log-code).) |
|||
type: bool default: false |
|||
--prof_cpp (Like --prof, but ignore generated code.) |
|||
type: bool default: false |
|||
--prof_browser_mode (Used with --prof, turns on browser-compatible mode for profiling.) |
|||
type: bool default: true |
|||
--log_regexp (Log regular expression execution.) |
|||
type: bool default: false |
|||
--logfile (Specify the name of the log file.) |
|||
type: string default: v8.log |
|||
--logfile_per_isolate (Separate log files for each isolate.) |
|||
type: bool default: true |
|||
--ll_prof (Enable low-level linux profiler.) |
|||
type: bool default: false |
|||
--perf_basic_prof (Enable perf linux profiler (basic support).) |
|||
type: bool default: false |
|||
--perf_basic_prof_only_functions (Only report function code ranges to perf (i.e. no stubs).) |
|||
type: bool default: false |
|||
--gc_fake_mmap (Specify the name of the file for fake gc mmap used in ll_prof) |
|||
type: string default: /tmp/__v8_gc__ |
|||
--log_internal_timer_events (Time internal events.) |
|||
type: bool default: false |
|||
--log_timer_events (Time events including external callbacks.) |
|||
type: bool default: false |
|||
--log_instruction_stats (Log AArch64 instruction statistics.) |
|||
type: bool default: false |
|||
--log_instruction_file (AArch64 instruction statistics log file.) |
|||
type: string default: arm64_inst.csv |
|||
--log_instruction_period (AArch64 instruction statistics logging period.) |
|||
type: int default: 4194304 |
|||
--redirect_code_traces (output deopt information and disassembly into file code-<pid>-<isolate id>.asm) |
|||
type: bool default: false |
|||
--redirect_code_traces_to (output deopt information and disassembly into the given file) |
|||
type: string default: NULL |
|||
--hydrogen_track_positions (track source code positions when building IR) |
|||
type: bool default: false |
|||
--trace_elements_transitions (trace elements transitions) |
|||
type: bool default: false |
|||
--trace_creation_allocation_sites (trace the creation of allocation sites) |
|||
type: bool default: false |
|||
--print_code_stubs (print code stubs) |
|||
type: bool default: false |
|||
--test_secondary_stub_cache (test secondary stub cache by disabling the primary one) |
|||
type: bool default: false |
|||
--test_primary_stub_cache (test primary stub cache by disabling the secondary one) |
|||
type: bool default: false |
|||
--print_code (print generated code) |
|||
type: bool default: false |
|||
--print_opt_code (print optimized code) |
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type: bool default: false |
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--print_unopt_code (print unoptimized code before printing optimized code based on it) |
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type: bool default: false |
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--print_code_verbose (print more information for code) |
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type: bool default: false |
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--print_builtin_code (print generated code for builtins) |
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type: bool default: false |
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--sodium (print generated code output suitable for use with the Sodium code viewer) |
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type: bool default: false |
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--print_all_code (enable all flags related to printing code) |
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type: bool default: false |
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value to an empty string ("" or " ") disables persistent REPL history. |
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.SH RESOURCES AND DOCUMENTATION |
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|
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See the website for documentation https://nodejs.org/ |
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Website: \fBhttps://nodejs.org/\fR |
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|
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Documentation: \fBhttps://nodejs.org/api/\fR |
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|
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GitHub repository & Issue Tracker: \fBhttps://github.com/nodejs/node\fR |
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|
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Mailing list: http://groups.google.com/group/nodejs |
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Mailing list: \fBhttp://groups.google.com/group/nodejs\fR |
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|
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IRC (general questions): irc.freenode.net #node.js |
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IRC (general questions): \fBchat.freenode.net #node.js\fR |
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|
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IRC (node core development): irc.freenode.net #node-dev |
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IRC (node core development): \fBchat.freenode.net #node-dev\fR |
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Reference in new issue