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streebog: use TPB of 128 to reduce errors

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This commit is contained in:
Tanguy Pruvot 2017-07-28 04:32:43 +02:00
parent 9c053042c9
commit 9f113effd8
1 changed files with 16 additions and 4 deletions
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20
x11/cuda_streebog.cu
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@ -642,12 +642,12 @@ static void GOST_E12(uint2* K, uint2* state,const uint2 shared[8][256]){
}
}
#define TPB 256
#define TPB 128
__global__
__launch_bounds__(TPB, 4)
void streebog_gpu_hash_64(uint64_t *g_hash)
{
const uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x);
const uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x);
uint2 buf[8], t[8], temp[8],K0[8], hash[8];
__shared__ uint2 shared[8][256];
@ -660,7 +660,13 @@ void streebog_gpu_hash_64(uint64_t *g_hash)
shared[6][threadIdx.x] = T62[threadIdx.x];
shared[7][threadIdx.x] = T72[threadIdx.x];
// __syncthreads();
const uint32_t t2 = (threadIdx.x & 0x7f) + 0x80;
shared[0][t2] = T02[t2]; shared[1][t2] = T12[t2];
shared[2][t2] = T22[t2]; shared[3][t2] = T32[t2];
shared[4][t2] = T42[t2]; shared[5][t2] = T52[t2];
shared[6][t2] = T62[t2]; shared[7][t2] = T72[t2];
__syncthreads();
// if (thread < threads)
// {
uint64_t* inout = &g_hash[thread<<3];
@ -823,7 +829,13 @@ void streebog_gpu_hash_64_final(uint64_t *g_hash, uint32_t* resNonce)
shared[6][threadIdx.x] = T62[threadIdx.x];
shared[7][threadIdx.x] = T72[threadIdx.x];
// __syncthreads();
const uint32_t t2 = (threadIdx.x & 0x7f) + 0x80;
shared[0][t2] = T02[t2]; shared[1][t2] = T12[t2];
shared[2][t2] = T22[t2]; shared[3][t2] = T32[t2];
shared[4][t2] = T42[t2]; shared[5][t2] = T52[t2];
shared[6][t2] = T62[t2]; shared[7][t2] = T72[t2];
__syncthreads();
// if (thread < threads)
// {
uint64_t* inout = &g_hash[thread<<3];