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18 lines
343 B
18 lines
343 B
9 years ago
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#define FNV_PRIME 0x01000193
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#define fnv(x,y) ((x) * FNV_PRIME ^(y))
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__device__ uint4 fnv4(uint4 a, uint4 b)
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{
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uint4 c;
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c.x = a.x * FNV_PRIME ^ b.x;
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c.y = a.y * FNV_PRIME ^ b.y;
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c.z = a.z * FNV_PRIME ^ b.z;
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c.w = a.w * FNV_PRIME ^ b.w;
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return c;
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}
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__device__ uint32_t fnv_reduce(uint4 v)
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{
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return fnv(fnv(fnv(v.x, v.y), v.z), v.w);
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}
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