Tanguy Pruvot
9 years ago
11 changed files with 590 additions and 56 deletions
@ -0,0 +1,443 @@ |
|||||||
|
/** |
||||||
|
* Blake-256 Decred 180-Bytes input Cuda Kernel (Tested on SM 5/5.2) |
||||||
|
* |
||||||
|
* Tanguy Pruvot - Feb 2016 |
||||||
|
*/ |
||||||
|
|
||||||
|
#include <stdint.h> |
||||||
|
#include <memory.h> |
||||||
|
|
||||||
|
#include <miner.h> |
||||||
|
|
||||||
|
extern "C" { |
||||||
|
#include <sph/sph_blake.h> |
||||||
|
} |
||||||
|
|
||||||
|
/* threads per block */ |
||||||
|
#define TPB 256 |
||||||
|
|
||||||
|
/* hash by cpu with blake 256 */ |
||||||
|
extern "C" void decred_hash(void *output, const void *input) |
||||||
|
{ |
||||||
|
sph_blake256_context ctx; |
||||||
|
|
||||||
|
sph_blake256_set_rounds(14); |
||||||
|
|
||||||
|
sph_blake256_init(&ctx); |
||||||
|
sph_blake256(&ctx, input, 180); |
||||||
|
sph_blake256_close(&ctx, output); |
||||||
|
} |
||||||
|
|
||||||
|
#include <cuda_helper.h> |
||||||
|
|
||||||
|
#ifdef __INTELLISENSE__ |
||||||
|
#define __byte_perm(x, y, b) x |
||||||
|
#endif |
||||||
|
|
||||||
|
__constant__ uint32_t _ALIGN(4) d_data[24]; |
||||||
|
|
||||||
|
/* 8 adapters max */ |
||||||
|
static uint32_t *d_resNonce[MAX_GPUS]; |
||||||
|
static uint32_t *h_resNonce[MAX_GPUS]; |
||||||
|
|
||||||
|
/* max count of found nonces in one call */ |
||||||
|
#define NBN 1 |
||||||
|
#if NBN > 1 |
||||||
|
static uint32_t extra_results[NBN] = { UINT32_MAX }; |
||||||
|
#endif |
||||||
|
|
||||||
|
/* ############################################################################################################################### */ |
||||||
|
|
||||||
|
#define GSPREC(a,b,c,d,x,y) { \ |
||||||
|
v[a] += (m[x] ^ c_u256[y]) + v[b]; \ |
||||||
|
v[d] = __byte_perm(v[d] ^ v[a], 0, 0x1032); \ |
||||||
|
v[c] += v[d]; \ |
||||||
|
v[b] = SPH_ROTR32(v[b] ^ v[c], 12); \ |
||||||
|
v[a] += (m[y] ^ c_u256[x]) + v[b]; \ |
||||||
|
v[d] = __byte_perm(v[d] ^ v[a], 0, 0x0321); \ |
||||||
|
v[c] += v[d]; \ |
||||||
|
v[b] = SPH_ROTR32(v[b] ^ v[c], 7); \ |
||||||
|
} |
||||||
|
|
||||||
|
__device__ __forceinline__ |
||||||
|
void blake256_compress_14(uint32_t *h, const uint32_t nonce, const uint32_t T0) |
||||||
|
{ |
||||||
|
uint32_t v[16]; |
||||||
|
|
||||||
|
#pragma unroll 8 |
||||||
|
for(uint32_t i = 0; i < 8; i++) |
||||||
|
v[i] = h[i]; |
||||||
|
|
||||||
|
const uint32_t c_u256[16] = { |
||||||
|
0x243F6A88, 0x85A308D3, 0x13198A2E, 0x03707344, |
||||||
|
0xA4093822, 0x299F31D0, 0x082EFA98, 0xEC4E6C89, |
||||||
|
0x452821E6, 0x38D01377, 0xBE5466CF, 0x34E90C6C, |
||||||
|
0xC0AC29B7, 0xC97C50DD, 0x3F84D5B5, 0xB5470917 |
||||||
|
}; |
||||||
|
|
||||||
|
v[ 8] = c_u256[0]; |
||||||
|
v[ 9] = c_u256[1]; |
||||||
|
v[10] = c_u256[2]; |
||||||
|
v[11] = c_u256[3]; |
||||||
|
|
||||||
|
v[12] = c_u256[4] ^ T0; |
||||||
|
v[13] = c_u256[5] ^ T0; |
||||||
|
v[14] = c_u256[6]; |
||||||
|
v[15] = c_u256[7]; |
||||||
|
|
||||||
|
uint32_t m[16]; |
||||||
|
|
||||||
|
m[0] = d_data[8]; |
||||||
|
m[1] = d_data[9]; |
||||||
|
m[2] = d_data[10]; |
||||||
|
m[3] = nonce; |
||||||
|
|
||||||
|
#pragma unroll |
||||||
|
for (uint32_t i = 4; i < 16; i++) { |
||||||
|
m[i] = d_data[i+8U]; |
||||||
|
} |
||||||
|
|
||||||
|
// round 1 |
||||||
|
GSPREC(0, 4, 0x8, 0xC, 0, 1); |
||||||
|
GSPREC(1, 5, 0x9, 0xD, 2, 3); |
||||||
|
GSPREC(2, 6, 0xA, 0xE, 4, 5); |
||||||
|
GSPREC(3, 7, 0xB, 0xF, 6, 7); |
||||||
|
GSPREC(0, 5, 0xA, 0xF, 8, 9); |
||||||
|
GSPREC(1, 6, 0xB, 0xC, 10, 11); |
||||||
|
GSPREC(2, 7, 0x8, 0xD, 12, 13); |
||||||
|
GSPREC(3, 4, 0x9, 0xE, 14, 15); |
||||||
|
// round 2 |
||||||
|
GSPREC(0, 4, 0x8, 0xC, 14, 10); |
||||||
|
GSPREC(1, 5, 0x9, 0xD, 4, 8); |
||||||
|
GSPREC(2, 6, 0xA, 0xE, 9, 15); |
||||||
|
GSPREC(3, 7, 0xB, 0xF, 13, 6); |
||||||
|
GSPREC(0, 5, 0xA, 0xF, 1, 12); |
||||||
|
GSPREC(1, 6, 0xB, 0xC, 0, 2); |
||||||
|
GSPREC(2, 7, 0x8, 0xD, 11, 7); |
||||||
|
GSPREC(3, 4, 0x9, 0xE, 5, 3); |
||||||
|
// round 3 |
||||||
|
GSPREC(0, 4, 0x8, 0xC, 11, 8); |
||||||
|
GSPREC(1, 5, 0x9, 0xD, 12, 0); |
||||||
|
GSPREC(2, 6, 0xA, 0xE, 5, 2); |
||||||
|
GSPREC(3, 7, 0xB, 0xF, 15, 13); |
||||||
|
GSPREC(0, 5, 0xA, 0xF, 10, 14); |
||||||
|
GSPREC(1, 6, 0xB, 0xC, 3, 6); |
||||||
|
GSPREC(2, 7, 0x8, 0xD, 7, 1); |
||||||
|
GSPREC(3, 4, 0x9, 0xE, 9, 4); |
||||||
|
// round 4 |
||||||
|
GSPREC(0, 4, 0x8, 0xC, 7, 9); |
||||||
|
GSPREC(1, 5, 0x9, 0xD, 3, 1); |
||||||
|
GSPREC(2, 6, 0xA, 0xE, 13, 12); |
||||||
|
GSPREC(3, 7, 0xB, 0xF, 11, 14); |
||||||
|
GSPREC(0, 5, 0xA, 0xF, 2, 6); |
||||||
|
GSPREC(1, 6, 0xB, 0xC, 5, 10); |
||||||
|
GSPREC(2, 7, 0x8, 0xD, 4, 0); |
||||||
|
GSPREC(3, 4, 0x9, 0xE, 15, 8); |
||||||
|
// round 5 |
||||||
|
GSPREC(0, 4, 0x8, 0xC, 9, 0); |
||||||
|
GSPREC(1, 5, 0x9, 0xD, 5, 7); |
||||||
|
GSPREC(2, 6, 0xA, 0xE, 2, 4); |
||||||
|
GSPREC(3, 7, 0xB, 0xF, 10, 15); |
||||||
|
GSPREC(0, 5, 0xA, 0xF, 14, 1); |
||||||
|
GSPREC(1, 6, 0xB, 0xC, 11, 12); |
||||||
|
GSPREC(2, 7, 0x8, 0xD, 6, 8); |
||||||
|
GSPREC(3, 4, 0x9, 0xE, 3, 13); |
||||||
|
// round 6 |
||||||
|
GSPREC(0, 4, 0x8, 0xC, 2, 12); |
||||||
|
GSPREC(1, 5, 0x9, 0xD, 6, 10); |
||||||
|
GSPREC(2, 6, 0xA, 0xE, 0, 11); |
||||||
|
GSPREC(3, 7, 0xB, 0xF, 8, 3); |
||||||
|
GSPREC(0, 5, 0xA, 0xF, 4, 13); |
||||||
|
GSPREC(1, 6, 0xB, 0xC, 7, 5); |
||||||
|
GSPREC(2, 7, 0x8, 0xD, 15,14); |
||||||
|
GSPREC(3, 4, 0x9, 0xE, 1, 9); |
||||||
|
// round 7 |
||||||
|
GSPREC(0, 4, 0x8, 0xC, 12, 5); |
||||||
|
GSPREC(1, 5, 0x9, 0xD, 1, 15); |
||||||
|
GSPREC(2, 6, 0xA, 0xE, 14,13); |
||||||
|
GSPREC(3, 7, 0xB, 0xF, 4, 10); |
||||||
|
GSPREC(0, 5, 0xA, 0xF, 0, 7); |
||||||
|
GSPREC(1, 6, 0xB, 0xC, 6, 3); |
||||||
|
GSPREC(2, 7, 0x8, 0xD, 9, 2); |
||||||
|
GSPREC(3, 4, 0x9, 0xE, 8, 11); |
||||||
|
// round 8 |
||||||
|
GSPREC(0, 4, 0x8, 0xC, 13,11); |
||||||
|
GSPREC(1, 5, 0x9, 0xD, 7, 14); |
||||||
|
GSPREC(2, 6, 0xA, 0xE, 12, 1); |
||||||
|
GSPREC(3, 7, 0xB, 0xF, 3, 9); |
||||||
|
GSPREC(0, 5, 0xA, 0xF, 5, 0); |
||||||
|
GSPREC(1, 6, 0xB, 0xC, 15, 4); |
||||||
|
GSPREC(2, 7, 0x8, 0xD, 8, 6); |
||||||
|
GSPREC(3, 4, 0x9, 0xE, 2, 10); |
||||||
|
// round 9 |
||||||
|
GSPREC(0, 4, 0x8, 0xC, 6, 15); |
||||||
|
GSPREC(1, 5, 0x9, 0xD, 14, 9); |
||||||
|
GSPREC(2, 6, 0xA, 0xE, 11, 3); |
||||||
|
GSPREC(3, 7, 0xB, 0xF, 0, 8); |
||||||
|
GSPREC(0, 5, 0xA, 0xF, 12, 2); |
||||||
|
GSPREC(1, 6, 0xB, 0xC, 13, 7); |
||||||
|
GSPREC(2, 7, 0x8, 0xD, 1, 4); |
||||||
|
GSPREC(3, 4, 0x9, 0xE, 10, 5); |
||||||
|
// round 10 |
||||||
|
GSPREC(0, 4, 0x8, 0xC, 10, 2); |
||||||
|
GSPREC(1, 5, 0x9, 0xD, 8, 4); |
||||||
|
GSPREC(2, 6, 0xA, 0xE, 7, 6); |
||||||
|
GSPREC(3, 7, 0xB, 0xF, 1, 5); |
||||||
|
GSPREC(0, 5, 0xA, 0xF, 15,11); |
||||||
|
GSPREC(1, 6, 0xB, 0xC, 9, 14); |
||||||
|
GSPREC(2, 7, 0x8, 0xD, 3, 12); |
||||||
|
GSPREC(3, 4, 0x9, 0xE, 13, 0); |
||||||
|
// round 11 |
||||||
|
GSPREC(0, 4, 0x8, 0xC, 0, 1); |
||||||
|
GSPREC(1, 5, 0x9, 0xD, 2, 3); |
||||||
|
GSPREC(2, 6, 0xA, 0xE, 4, 5); |
||||||
|
GSPREC(3, 7, 0xB, 0xF, 6, 7); |
||||||
|
GSPREC(0, 5, 0xA, 0xF, 8, 9); |
||||||
|
GSPREC(1, 6, 0xB, 0xC, 10,11); |
||||||
|
GSPREC(2, 7, 0x8, 0xD, 12,13); |
||||||
|
GSPREC(3, 4, 0x9, 0xE, 14,15); |
||||||
|
// round 12 |
||||||
|
GSPREC(0, 4, 0x8, 0xC, 14,10); |
||||||
|
GSPREC(1, 5, 0x9, 0xD, 4, 8); |
||||||
|
GSPREC(2, 6, 0xA, 0xE, 9, 15); |
||||||
|
GSPREC(3, 7, 0xB, 0xF, 13, 6); |
||||||
|
GSPREC(0, 5, 0xA, 0xF, 1, 12); |
||||||
|
GSPREC(1, 6, 0xB, 0xC, 0, 2); |
||||||
|
GSPREC(2, 7, 0x8, 0xD, 11, 7); |
||||||
|
GSPREC(3, 4, 0x9, 0xE, 5, 3); |
||||||
|
// round 13 |
||||||
|
GSPREC(0, 4, 0x8, 0xC, 11, 8); |
||||||
|
GSPREC(1, 5, 0x9, 0xD, 12, 0); |
||||||
|
GSPREC(2, 6, 0xA, 0xE, 5, 2); |
||||||
|
GSPREC(3, 7, 0xB, 0xF, 15,13); |
||||||
|
GSPREC(0, 5, 0xA, 0xF, 10,14); |
||||||
|
GSPREC(1, 6, 0xB, 0xC, 3, 6); |
||||||
|
GSPREC(2, 7, 0x8, 0xD, 7, 1); |
||||||
|
GSPREC(3, 4, 0x9, 0xE, 9, 4); |
||||||
|
// round 14 |
||||||
|
GSPREC(0, 4, 0x8, 0xC, 7, 9); |
||||||
|
GSPREC(1, 5, 0x9, 0xD, 3, 1); |
||||||
|
GSPREC(2, 6, 0xA, 0xE, 13,12); |
||||||
|
GSPREC(3, 7, 0xB, 0xF, 11,14); |
||||||
|
GSPREC(0, 5, 0xA, 0xF, 2, 6); |
||||||
|
GSPREC(1, 6, 0xB, 0xC, 5, 10); |
||||||
|
GSPREC(2, 7, 0x8, 0xD, 4, 0); |
||||||
|
//GSPREC(3, 4, 0x9, 0xE, 15, 8); |
||||||
|
|
||||||
|
v[3] += (m[15] ^ c_u256[8]) + v[4]; |
||||||
|
v[14] = __byte_perm(v[14] ^ v[3], 0, 0x1032); |
||||||
|
v[9] += v[14]; \ |
||||||
|
v[4] = SPH_ROTR32(v[4] ^ v[9], 12); |
||||||
|
v[3] += (m[8] ^ c_u256[15]) + v[4]; |
||||||
|
v[14] = __byte_perm(v[14] ^ v[3], 0, 0x0321); |
||||||
|
|
||||||
|
// only compute h6 & 7 |
||||||
|
h[6] ^= v[6] ^ v[14]; |
||||||
|
h[7] ^= v[7] ^ v[15]; |
||||||
|
} |
||||||
|
|
||||||
|
/* ############################################################################################################################### */ |
||||||
|
|
||||||
|
__global__ |
||||||
|
void blake256_gpu_hash_nonce(const uint32_t threads, const uint32_t startNonce, uint32_t *resNonce, const uint64_t highTarget) |
||||||
|
{ |
||||||
|
uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x); |
||||||
|
if (thread < threads) |
||||||
|
{ |
||||||
|
const uint32_t nonce = startNonce + thread; |
||||||
|
uint32_t h[8]; |
||||||
|
|
||||||
|
#pragma unroll |
||||||
|
for(int i=0; i < 8; i++) { |
||||||
|
h[i] = d_data[i]; |
||||||
|
} |
||||||
|
|
||||||
|
// ------ Close: Last 52/64 bytes ------ |
||||||
|
|
||||||
|
blake256_compress_14(h, nonce, (180U*8U)); |
||||||
|
|
||||||
|
if (h[7] == 0 && cuda_swab32(h[6]) <= highTarget) { |
||||||
|
#if NBN == 2 |
||||||
|
if (resNonce[0] != UINT32_MAX) |
||||||
|
resNonce[1] = nonce; |
||||||
|
else |
||||||
|
resNonce[0] = nonce; |
||||||
|
#else |
||||||
|
resNonce[0] = nonce; |
||||||
|
#endif |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
__host__ |
||||||
|
static uint32_t decred_cpu_hash_nonce(const int thr_id, const uint32_t threads, const uint32_t startNonce, const uint64_t highTarget) |
||||||
|
{ |
||||||
|
uint32_t result = UINT32_MAX; |
||||||
|
|
||||||
|
dim3 grid((threads + TPB-1)/TPB); |
||||||
|
dim3 block(TPB); |
||||||
|
|
||||||
|
/* Check error on Ctrl+C or kill to prevent segfaults on exit */ |
||||||
|
if (cudaMemset(d_resNonce[thr_id], 0xff, NBN*sizeof(uint32_t)) != cudaSuccess) |
||||||
|
return result; |
||||||
|
|
||||||
|
blake256_gpu_hash_nonce <<<grid, block>>> (threads, startNonce, d_resNonce[thr_id], highTarget); |
||||||
|
|
||||||
|
if (cudaSuccess == cudaMemcpy(h_resNonce[thr_id], d_resNonce[thr_id], NBN*sizeof(uint32_t), cudaMemcpyDeviceToHost)) { |
||||||
|
result = h_resNonce[thr_id][0]; |
||||||
|
#if NBN > 1 |
||||||
|
for (int n=0; n < (NBN-1); n++) |
||||||
|
extra_results[n] = h_resNonce[thr_id][n+1]; |
||||||
|
#endif |
||||||
|
} |
||||||
|
return result; |
||||||
|
} |
||||||
|
|
||||||
|
__host__ |
||||||
|
static void decred_midstate_128(uint32_t *output, const uint32_t *input) |
||||||
|
{ |
||||||
|
sph_blake256_context ctx; |
||||||
|
|
||||||
|
sph_blake256_set_rounds(14); |
||||||
|
|
||||||
|
sph_blake256_init(&ctx); |
||||||
|
sph_blake256(&ctx, input, 128); |
||||||
|
|
||||||
|
memcpy(output, (void*)ctx.H, 32); |
||||||
|
} |
||||||
|
|
||||||
|
__host__ |
||||||
|
void decred_cpu_setBlock_52(uint32_t *penddata, const uint32_t *midstate, const uint32_t *ptarget) |
||||||
|
{ |
||||||
|
uint32_t _ALIGN(64) data[24]; |
||||||
|
memcpy(data, midstate, 32); |
||||||
|
// pre swab32 |
||||||
|
for (int i=0; i<13; i++) |
||||||
|
data[8+i] = swab32(penddata[i]); |
||||||
|
data[21] = 0x80000001; |
||||||
|
data[22] = 0; |
||||||
|
data[23] = 0x000005a0; |
||||||
|
CUDA_SAFE_CALL(cudaMemcpyToSymbol(d_data, data, 32 + 64, 0, cudaMemcpyHostToDevice)); |
||||||
|
} |
||||||
|
|
||||||
|
/* ############################################################################################################################### */ |
||||||
|
|
||||||
|
static bool init[MAX_GPUS] = { 0 }; |
||||||
|
|
||||||
|
// nonce position is different in decred |
||||||
|
#define DCR_NONCE_OFT32 35 |
||||||
|
|
||||||
|
extern "C" int scanhash_decred(int thr_id, struct work* work, uint32_t max_nonce, unsigned long *hashes_done) |
||||||
|
{ |
||||||
|
uint32_t _ALIGN(64) endiandata[48]; |
||||||
|
uint32_t _ALIGN(64) midstate[8]; |
||||||
|
|
||||||
|
uint32_t *pdata = work->data; |
||||||
|
uint32_t *ptarget = work->target; |
||||||
|
uint32_t *pnonce = &pdata[DCR_NONCE_OFT32]; |
||||||
|
|
||||||
|
const uint32_t first_nonce = *pnonce; |
||||||
|
uint64_t targetHigh = ((uint64_t*)ptarget)[3]; |
||||||
|
|
||||||
|
int dev_id = device_map[thr_id]; |
||||||
|
int intensity = (device_sm[dev_id] > 500 && !is_windows()) ? 29 : 25; |
||||||
|
if (device_sm[dev_id] < 350) intensity = 22; |
||||||
|
|
||||||
|
uint32_t throughput = cuda_default_throughput(thr_id, 1U << intensity); |
||||||
|
if (init[thr_id]) throughput = min(throughput, max_nonce - first_nonce); |
||||||
|
|
||||||
|
int rc = 0; |
||||||
|
|
||||||
|
if (opt_benchmark) { |
||||||
|
targetHigh = 0x1ULL << 32; |
||||||
|
ptarget[6] = swab32(0xff); |
||||||
|
} |
||||||
|
|
||||||
|
if (!init[thr_id]) |
||||||
|
{ |
||||||
|
cudaSetDevice(dev_id); |
||||||
|
if (opt_cudaschedule == -1 && gpu_threads == 1) { |
||||||
|
cudaDeviceReset(); |
||||||
|
// reduce cpu usage (linux) |
||||||
|
cudaSetDeviceFlags(cudaDeviceScheduleBlockingSync); |
||||||
|
cudaDeviceSetCacheConfig(cudaFuncCachePreferL1); |
||||||
|
CUDA_LOG_ERROR(); |
||||||
|
} |
||||||
|
|
||||||
|
CUDA_CALL_OR_RET_X(cudaMalloc(&d_resNonce[thr_id], NBN * sizeof(uint32_t)), -1); |
||||||
|
CUDA_CALL_OR_RET_X(cudaMallocHost(&h_resNonce[thr_id], NBN * sizeof(uint32_t)), -1); |
||||||
|
init[thr_id] = true; |
||||||
|
} |
||||||
|
|
||||||
|
memcpy(endiandata, pdata, 180); |
||||||
|
decred_midstate_128(midstate, endiandata); |
||||||
|
decred_cpu_setBlock_52(&pdata[32], midstate, ptarget); |
||||||
|
|
||||||
|
do { |
||||||
|
// GPU HASH |
||||||
|
uint32_t foundNonce = decred_cpu_hash_nonce(thr_id, throughput, (*pnonce), targetHigh); |
||||||
|
|
||||||
|
if (foundNonce != UINT32_MAX) |
||||||
|
{ |
||||||
|
uint32_t vhashcpu[8]; |
||||||
|
uint32_t Htarg = ptarget[6]; |
||||||
|
|
||||||
|
be32enc(&endiandata[DCR_NONCE_OFT32], foundNonce); |
||||||
|
decred_hash(vhashcpu, endiandata); |
||||||
|
|
||||||
|
if (vhashcpu[6] <= Htarg && fulltest(vhashcpu, ptarget)) |
||||||
|
{ |
||||||
|
rc = 1; |
||||||
|
work_set_target_ratio(work, vhashcpu); |
||||||
|
*hashes_done = (*pnonce) - first_nonce + throughput; |
||||||
|
work->nonces[0] = *pnonce = swab32(foundNonce); |
||||||
|
#if NBN > 1 |
||||||
|
if (extra_results[0] != UINT32_MAX) { |
||||||
|
be32enc(&endiandata[DCR_NONCE_OFT32], extra_results[0]); |
||||||
|
decred_hash(vhashcpu, endiandata); |
||||||
|
if (vhashcpu[6] <= Htarg && fulltest(vhashcpu, ptarget)) { |
||||||
|
work->nonces[1] = swab32(extra_results[0]); |
||||||
|
if (bn_hash_target_ratio(vhashcpu, ptarget) > work->shareratio) { |
||||||
|
work_set_target_ratio(work, vhashcpu); |
||||||
|
xchg(work->nonces[1], *pnonce); |
||||||
|
} |
||||||
|
rc = 2; |
||||||
|
} |
||||||
|
extra_results[0] = UINT32_MAX; |
||||||
|
} |
||||||
|
#endif |
||||||
|
return rc; |
||||||
|
} |
||||||
|
else if (opt_debug) { |
||||||
|
applog_hash(ptarget); |
||||||
|
applog_compare_hash(vhashcpu, ptarget); |
||||||
|
gpulog(LOG_WARNING, thr_id, "result for %08x does not validate on CPU!", foundNonce); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
*pnonce += throughput; |
||||||
|
|
||||||
|
} while (!work_restart[thr_id].restart && max_nonce > (uint64_t)throughput + (*pnonce)); |
||||||
|
|
||||||
|
*hashes_done = (*pnonce) - first_nonce; |
||||||
|
|
||||||
|
MyStreamSynchronize(NULL, 0, dev_id); |
||||||
|
return rc; |
||||||
|
} |
||||||
|
|
||||||
|
// cleanup |
||||||
|
extern "C" void free_decred(int thr_id) |
||||||
|
{ |
||||||
|
if (!init[thr_id]) |
||||||
|
return; |
||||||
|
|
||||||
|
cudaDeviceSynchronize(); |
||||||
|
|
||||||
|
cudaFreeHost(h_resNonce[thr_id]); |
||||||
|
cudaFree(d_resNonce[thr_id]); |
||||||
|
|
||||||
|
init[thr_id] = false; |
||||||
|
|
||||||
|
cudaDeviceSynchronize(); |
||||||
|
} |
||||||
|
|
Loading…
Reference in new issue