GOSTSec/ccminer
1
0
Fork 0
mirror of https://github.com/GOSTSec/ccminer synced 2025-03-13 05:51:19 +00:00
Code Issues Releases Wiki Activity

minor performance improvement

Browse Source
This commit is contained in:
orignal 2017-05-11 10:15:21 -04:00
parent 3d3279670a
commit a924af5185
1 changed files with 20 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
gost/cuda_gosthash.cu
View File

@ -673,32 +673,27 @@ __device__ __forceinline__
void GOST_FS(uint64_t* const state64, uint64_t* return_state)
{
uint32_t * state32 = (uint32_t *)state64;
uint64_t r;
#pragma unroll 4
for (int b=0; b<4; b++) {
r = T0[EXTRACT_BYTE(state32[14], b)];
r ^= T1[EXTRACT_BYTE(state32[12], b)];
r ^= T2[EXTRACT_BYTE(state32[10], b)];
r ^= T3[EXTRACT_BYTE(state32[8], b)];
r ^= T4[EXTRACT_BYTE(state32[6], b)];
r ^= T5[EXTRACT_BYTE(state32[4], b)];
r ^= T6[EXTRACT_BYTE(state32[2], b)];
r ^= T7[EXTRACT_BYTE(state32[0], b)];
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;
for (int b=0; b<4; b++)
{
return_state[b] = T0[EXTRACT_BYTE(state32[14], b)]
^ T1[EXTRACT_BYTE(state32[12], b)]
^ T2[EXTRACT_BYTE(state32[10], b)]
^ T3[EXTRACT_BYTE(state32[8], b)]
^ T4[EXTRACT_BYTE(state32[6], b)]
^ T5[EXTRACT_BYTE(state32[4], b)]
^ T6[EXTRACT_BYTE(state32[2], b)]
^ T7[EXTRACT_BYTE(state32[0], b)];
return_state[b+4] = T0[EXTRACT_BYTE(state32[15], b)]
^ T1[EXTRACT_BYTE(state32[13], b)]
^ T2[EXTRACT_BYTE(state32[11], b)]
^ T3[EXTRACT_BYTE(state32[9], b)]
^ T4[EXTRACT_BYTE(state32[7], b)]
^ T5[EXTRACT_BYTE(state32[5], b)]
^ T6[EXTRACT_BYTE(state32[3], b)]
^ T7[EXTRACT_BYTE(state32[1], b)];
}
}
@ -853,7 +848,7 @@ void gostd_setBlock_80(uint32_t *pdata, uint32_t *ptarget)
__host__
void gostd_hash_80(int thr_id, uint32_t threads, uint32_t startNonce, uint32_t *resNonces)
{
const uint32_t threadsperblock = 128;
const uint32_t threadsperblock = 256;
dim3 grid(threads/threadsperblock);
dim3 block(threadsperblock);