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Code Issues Releases Wiki Activity

whirlpool: x64 asm is very slow (30ms win32 vs 90)

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This commit is contained in:
Tanguy Pruvot 2014-08-22 00:12:13 +02:00
parent 91da15aa75
commit 3f6ebc10cc
1 changed files with 21 additions and 4 deletions
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25
cuda_helper.h
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@ -123,16 +123,26 @@ do { \
} while (0)
/*********************************************************************/
#ifdef _WIN64
#define USE_XOR_ASM_OPTS 0
#else
#define USE_XOR_ASM_OPTS 1
#endif
#if USE_XOR_ASM_OPTS
// device asm for whirpool
__device__ __forceinline__
uint64_t xor1(uint64_t a, uint64_t b)
{
uint64_t result;
asm("xor.b64 %0, %1, %2;" : "=l"(result) : "l"(a),"l"(b));
asm("xor.b64 %0, %1, %2;" : "=l"(result) : "l"(a), "l"(b));
return result;
}
#else
#define xor1(a,b) (a ^ b)
#endif
#if USE_XOR_ASM_OPTS
// device asm for whirpool
__device__ __forceinline__
uint64_t xor3(uint64_t a, uint64_t b, uint64_t c)
@ -146,7 +156,11 @@ uint64_t xor3(uint64_t a, uint64_t b, uint64_t c)
: "=l"(result) : "l"(a) ,"l"(b),"l"(c));
return result;
}
#else
#define xor3(a,b,c) (a ^ b ^ c)
#endif
#if USE_XOR_ASM_OPTS
// device asm for whirpool
__device__ __forceinline__
uint64_t xor8(uint64_t a, uint64_t b, uint64_t c, uint64_t d,uint64_t e,uint64_t f,uint64_t g, uint64_t h)
@ -161,6 +175,9 @@ uint64_t xor8(uint64_t a, uint64_t b, uint64_t c, uint64_t d,uint64_t e,uint64_t
asm("xor.b64 %0, %0, %1;" : "+l"(result) : "l"(a));
return result;
}
#else
#define xor8(a,b,c,d,e,f,g,h) (a^b^c^d^e^f^g^h)
#endif
// device asm for whirpool
__device__ __forceinline__
@ -189,7 +206,7 @@ uint64_t sph_t64(uint64_t x)
return result;
}
// device asm for whirpool
// device asm for ?
__device__ __forceinline__
uint64_t andor(uint64_t a, uint64_t b, uint64_t c)
{
@ -205,7 +222,7 @@ uint64_t andor(uint64_t a, uint64_t b, uint64_t c)
return result;
}
// device asm for whirpool
// device asm for ?
__device__ __forceinline__
uint64_t shr_t64(uint64_t x, uint32_t n)
{
@ -219,7 +236,7 @@ uint64_t shr_t64(uint64_t x, uint32_t n)
return result;
}
// device asm for whirpool
// device asm for ?
__device__ __forceinline__
uint64_t shl_t64(uint64_t x, uint32_t n)
{