|
|
|
#pragma once
|
|
|
|
|
|
|
|
#define CL_HPP_TARGET_OPENCL_VERSION 120
|
|
|
|
#define CL_HPP_MINIMUM_OPENCL_VERSION 110
|
|
|
|
#define CL_HPP_ENABLE_EXCEPTIONS 1
|
|
|
|
|
|
|
|
#if defined(__clang__)
|
|
|
|
#pragma clang diagnostic push
|
|
|
|
#pragma clang diagnostic ignored "-Wunused-parameter"
|
|
|
|
#elif defined(__GNUC__)
|
|
|
|
#pragma GCC diagnostic push
|
|
|
|
#pragma GCC diagnostic ignored "-Wignored-qualifiers"
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#include "CL/cl.hpp"
|
|
|
|
|
|
|
|
#if defined(__clang__)
|
|
|
|
#pragma clang diagnostic pop
|
|
|
|
#elif defined(__GNUC__)
|
|
|
|
#pragma GCC diagnostic pop
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#include <time.h>
|
|
|
|
#include <functional>
|
|
|
|
#include <libethash/ethash.h>
|
|
|
|
|
|
|
|
class ethash_cl_miner
|
|
|
|
{
|
|
|
|
private:
|
|
|
|
enum { c_maxSearchResults = 63, c_bufferCount = 2 };
|
|
|
|
|
|
|
|
public:
|
|
|
|
struct search_hook
|
|
|
|
{
|
|
|
|
virtual ~search_hook(); // always a virtual destructor for a class with virtuals.
|
|
|
|
|
|
|
|
// reports progress, return true to abort
|
|
|
|
virtual bool found(uint64_t const* nonces, uint32_t count) = 0;
|
|
|
|
virtual bool searched(uint64_t start_nonce, uint32_t count) = 0;
|
|
|
|
};
|
|
|
|
|
|
|
|
ethash_cl_miner();
|
|
|
|
~ethash_cl_miner();
|
|
|
|
|
|
|
|
static bool searchForAllDevices(unsigned _platformId, std::function<bool(cl::Device const&)> _callback);
|
|
|
|
static void doForAllDevices(unsigned _platformId, std::function<void(cl::Device const&)> _callback);
|
|
|
|
static void doForAllDevices(std::function<void(cl::Device const&)> _callback);
|
|
|
|
static unsigned getNumDevices(unsigned _platformId = 0);
|
|
|
|
static std::string platform_info(unsigned _platformId = 0, unsigned _deviceId = 0);
|
|
|
|
static void listDevices();
|
|
|
|
static bool configureGPU(
|
|
|
|
unsigned _platformId,
|
|
|
|
unsigned _localWorkSize,
|
|
|
|
unsigned _globalWorkSize,
|
|
|
|
unsigned _extraGPUMemory,
|
|
|
|
uint64_t _currentBlock
|
|
|
|
);
|
|
|
|
|
|
|
|
bool init(
|
|
|
|
ethash_light_t _light,
|
|
|
|
uint8_t const* _lightData,
|
|
|
|
uint64_t _lightSize,
|
|
|
|
unsigned _platformId,
|
|
|
|
unsigned _deviceId
|
|
|
|
);
|
|
|
|
void finish();
|
|
|
|
void search(uint8_t const* _header, uint64_t _target, search_hook& _hook, bool _ethStratum, uint64_t _startN);
|
|
|
|
|
|
|
|
/* -- default values -- */
|
|
|
|
/// Default value of the local work size. Also known as workgroup size.
|
|
|
|
static unsigned const c_defaultLocalWorkSize;
|
|
|
|
/// Default value of the global work size as a multiplier of the local work size
|
|
|
|
static unsigned const c_defaultGlobalWorkSizeMultiplier;
|
|
|
|
|
|
|
|
private:
|
|
|
|
|
|
|
|
static std::vector<cl::Device> getDevices(std::vector<cl::Platform> const& _platforms, unsigned _platformId);
|
|
|
|
static std::vector<cl::Platform> getPlatforms();
|
|
|
|
|
|
|
|
cl::Context m_context;
|
|
|
|
cl::CommandQueue m_queue;
|
|
|
|
cl::Kernel m_searchKernel;
|
|
|
|
cl::Kernel m_dagKernel;
|
|
|
|
cl::Buffer m_dag;
|
|
|
|
cl::Buffer m_light;
|
|
|
|
cl::Buffer m_header;
|
|
|
|
cl::Buffer m_searchBuffer[c_bufferCount];
|
|
|
|
unsigned m_globalWorkSize;
|
|
|
|
bool m_openclOnePointOne;
|
|
|
|
|
|
|
|
/// The local work size for the search
|
|
|
|
static unsigned s_workgroupSize;
|
|
|
|
/// The initial global work size for the searches
|
|
|
|
static unsigned s_initialGlobalWorkSize;
|
|
|
|
/// GPU memory required for other things, like window rendering e.t.c.
|
|
|
|
/// User can set it via the --cl-extragpu-mem argument.
|
|
|
|
static unsigned s_extraRequiredGPUMem;
|
|
|
|
};
|