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streebog: use TPB of 128 to reduce errors

master
Tanguy Pruvot 7 years ago
parent
commit
9f113effd8
  1. 20
      x11/cuda_streebog.cu

20
x11/cuda_streebog.cu

@ -642,12 +642,12 @@ static void GOST_E12(uint2* K, uint2* state,const uint2 shared[8][256]){
} }
} }
#define TPB 256 #define TPB 128
__global__ __global__
__launch_bounds__(TPB, 4) __launch_bounds__(TPB, 4)
void streebog_gpu_hash_64(uint64_t *g_hash) 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]; uint2 buf[8], t[8], temp[8],K0[8], hash[8];
__shared__ uint2 shared[8][256]; __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[6][threadIdx.x] = T62[threadIdx.x];
shared[7][threadIdx.x] = T72[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) // if (thread < threads)
// { // {
uint64_t* inout = &g_hash[thread<<3]; 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[6][threadIdx.x] = T62[threadIdx.x];
shared[7][threadIdx.x] = T72[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) // if (thread < threads)
// { // {
uint64_t* inout = &g_hash[thread<<3]; uint64_t* inout = &g_hash[thread<<3];

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