GOSTSec/ccminer
1
0
Fork 0
mirror of https://github.com/GOSTSec/ccminer synced 2025-01-26 22:44:15 +00:00
Code Issues Releases Wiki Activity

use __byte_perm to extract byte

Browse Source
This commit is contained in:
orignal 2017-05-10 15:52:24 -04:00
parent 601880ade8
commit 3d3279670a
1 changed files with 27 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
gost/cuda_gosthash.cu
View File

@ -666,23 +666,40 @@ void GOST_Xor512_c(uint64_t* C, uint64_t* const A, const uint64_t* B, uint64_t c
} }
} }
#define EXTRACT_BYTE(x,i) __byte_perm(x,0,0x4440 + i)
__device__ __forceinline__ __device__ __forceinline__
void GOST_FS(uint64_t* const state64, uint64_t* return_state) void GOST_FS(uint64_t* const state64, uint64_t* return_state)
{ {
uchar* state = (uchar*) state64; uint32_t * state32 = (uint32_t *)state64;
uint64_t r; uint64_t r;
for (int b=0; b<8; b++) { #pragma unroll 4
r = T0[state[b+56]]; for (int b=0; b<4; b++) {
r ^= T1[state[b+48]]; r = T0[EXTRACT_BYTE(state32[14], b)];
r ^= T2[state[b+40]]; r ^= T1[EXTRACT_BYTE(state32[12], b)];
r ^= T3[state[b+32]]; r ^= T2[EXTRACT_BYTE(state32[10], b)];
r ^= T4[state[b+24]]; r ^= T3[EXTRACT_BYTE(state32[8], b)];
r ^= T5[state[b+16]]; r ^= T4[EXTRACT_BYTE(state32[6], b)];
r ^= T6[state[b+8]]; r ^= T5[EXTRACT_BYTE(state32[4], b)];
r ^= T7[state[b]]; r ^= T6[EXTRACT_BYTE(state32[2], b)];
r ^= T7[EXTRACT_BYTE(state32[0], b)];
return_state[b] = r; return_state[b] = r;
} }
#pragma unroll 4
for (int b=0; b<4; b++) {
r = T0[EXTRACT_BYTE(state32[15], b)];
r ^= T1[EXTRACT_BYTE(state32[13], b)];
r ^= T2[EXTRACT_BYTE(state32[11], b)];
r ^= T3[EXTRACT_BYTE(state32[9], b)];
r ^= T4[EXTRACT_BYTE(state32[7], b)];
r ^= T5[EXTRACT_BYTE(state32[5], b)];
r ^= T6[EXTRACT_BYTE(state32[3], b)];
r ^= T7[EXTRACT_BYTE(state32[1], b)];
return_state[b+4] = r;
}
} }
__device__ __forceinline__ __device__ __forceinline__