mirror of https://github.com/GOSTSec/ccminer
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
273 lines
7.5 KiB
273 lines
7.5 KiB
/** |
|
* Blake2-B CUDA Implementation |
|
* |
|
* tpruvot@github July 2016 |
|
* |
|
*/ |
|
|
|
#include <miner.h> |
|
|
|
#include <string.h> |
|
#include <stdint.h> |
|
|
|
#include <sph/blake2b.h> |
|
|
|
#include <cuda_helper.h> |
|
#include <cuda_vector_uint2x4.h> |
|
|
|
#define TPB 512 |
|
#define NBN 2 |
|
|
|
static uint32_t *d_resNonces[MAX_GPUS]; |
|
|
|
__device__ uint64_t d_data[10]; |
|
|
|
static __constant__ const int8_t blake2b_sigma[12][16] = { |
|
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } , |
|
{ 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } , |
|
{ 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 } , |
|
{ 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 } , |
|
{ 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 } , |
|
{ 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 } , |
|
{ 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 } , |
|
{ 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 } , |
|
{ 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 } , |
|
{ 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0 } , |
|
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } , |
|
{ 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } |
|
}; |
|
|
|
// host mem align |
|
#define A 64 |
|
|
|
extern "C" void blake2b_hash(void *output, const void *input) |
|
{ |
|
uint8_t _ALIGN(A) hash[32]; |
|
blake2b_ctx ctx; |
|
|
|
blake2b_init(&ctx, 32, NULL, 0); |
|
blake2b_update(&ctx, input, 80); |
|
blake2b_final(&ctx, hash); |
|
|
|
memcpy(output, hash, 32); |
|
} |
|
|
|
// ---------------------------------------------------------------- |
|
|
|
__device__ __forceinline__ |
|
static void G(const int r, const int i, uint64_t &a, uint64_t &b, uint64_t &c, uint64_t &d, uint64_t const m[16]) |
|
{ |
|
a = a + b + m[ blake2b_sigma[r][2*i] ]; |
|
((uint2*)&d)[0] = SWAPUINT2( ((uint2*)&d)[0] ^ ((uint2*)&a)[0] ); |
|
c = c + d; |
|
((uint2*)&b)[0] = ROR24( ((uint2*)&b)[0] ^ ((uint2*)&c)[0] ); |
|
a = a + b + m[ blake2b_sigma[r][2*i+1] ]; |
|
((uint2*)&d)[0] = ROR16( ((uint2*)&d)[0] ^ ((uint2*)&a)[0] ); |
|
c = c + d; |
|
((uint2*)&b)[0] = ROR2( ((uint2*)&b)[0] ^ ((uint2*)&c)[0], 63U); |
|
} |
|
|
|
#define ROUND(r) \ |
|
G(r, 0, v[0], v[4], v[ 8], v[12], m); \ |
|
G(r, 1, v[1], v[5], v[ 9], v[13], m); \ |
|
G(r, 2, v[2], v[6], v[10], v[14], m); \ |
|
G(r, 3, v[3], v[7], v[11], v[15], m); \ |
|
G(r, 4, v[0], v[5], v[10], v[15], m); \ |
|
G(r, 5, v[1], v[6], v[11], v[12], m); \ |
|
G(r, 6, v[2], v[7], v[ 8], v[13], m); \ |
|
G(r, 7, v[3], v[4], v[ 9], v[14], m); |
|
|
|
__global__ |
|
//__launch_bounds__(128, 8) /* to force 64 regs */ |
|
void blake2b_gpu_hash(const uint32_t threads, const uint32_t startNonce, uint32_t *resNonce, const uint2 target2) |
|
{ |
|
const uint32_t nonce = (blockDim.x * blockIdx.x + threadIdx.x) + startNonce; |
|
|
|
uint64_t m[16]; |
|
|
|
m[0] = d_data[0]; |
|
m[1] = d_data[1]; |
|
m[2] = d_data[2]; |
|
m[3] = d_data[3]; |
|
m[4] = d_data[4]; |
|
m[5] = d_data[5]; |
|
m[6] = d_data[6]; |
|
m[7] = d_data[7]; |
|
m[8] = d_data[8]; |
|
((uint32_t*)m)[18] = AS_U32(&d_data[9]); |
|
((uint32_t*)m)[19] = nonce; |
|
|
|
m[10] = m[11] = 0; |
|
m[12] = m[13] = 0; |
|
m[14] = m[15] = 0; |
|
|
|
uint64_t v[16] = { |
|
0x6a09e667f2bdc928, 0xbb67ae8584caa73b, 0x3c6ef372fe94f82b, 0xa54ff53a5f1d36f1, |
|
0x510e527fade682d1, 0x9b05688c2b3e6c1f, 0x1f83d9abfb41bd6b, 0x5be0cd19137e2179, |
|
0x6a09e667f3bcc908, 0xbb67ae8584caa73b, 0x3c6ef372fe94f82b, 0xa54ff53a5f1d36f1, |
|
0x510e527fade68281, 0x9b05688c2b3e6c1f, 0xe07c265404be4294, 0x5be0cd19137e2179 |
|
}; |
|
|
|
ROUND( 0); |
|
ROUND( 1); |
|
ROUND( 2); |
|
ROUND( 3); |
|
ROUND( 4); |
|
ROUND( 5); |
|
ROUND( 6); |
|
ROUND( 7); |
|
ROUND( 8); |
|
ROUND( 9); |
|
ROUND(10); |
|
ROUND(11); |
|
|
|
uint2 last = vectorize(v[3] ^ v[11] ^ 0xa54ff53a5f1d36f1); |
|
if (last.y <= target2.y && last.x <= target2.x) { |
|
resNonce[1] = resNonce[0]; |
|
resNonce[0] = nonce; |
|
} |
|
} |
|
|
|
__host__ |
|
uint32_t blake2b_hash_cuda(const int thr_id, const uint32_t threads, const uint32_t startNonce, const uint2 target2, uint32_t &secNonce) |
|
{ |
|
uint32_t resNonces[NBN] = { UINT32_MAX, UINT32_MAX }; |
|
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_resNonces[thr_id], 0xff, NBN*sizeof(uint32_t)) != cudaSuccess) |
|
return result; |
|
|
|
blake2b_gpu_hash <<<grid, block, 8>>> (threads, startNonce, d_resNonces[thr_id], target2); |
|
cudaThreadSynchronize(); |
|
|
|
if (cudaSuccess == cudaMemcpy(resNonces, d_resNonces[thr_id], NBN*sizeof(uint32_t), cudaMemcpyDeviceToHost)) { |
|
result = resNonces[0]; |
|
secNonce = resNonces[1]; |
|
if (secNonce == result) secNonce = UINT32_MAX; |
|
} |
|
return result; |
|
} |
|
|
|
__host__ |
|
void blake2b_setBlock(uint32_t *data) |
|
{ |
|
CUDA_SAFE_CALL(cudaMemcpyToSymbol(d_data, data, 80, 0, cudaMemcpyHostToDevice)); |
|
} |
|
|
|
static bool init[MAX_GPUS] = { 0 }; |
|
|
|
int scanhash_blake2b(int thr_id, struct work *work, uint32_t max_nonce, unsigned long *hashes_done) |
|
{ |
|
uint32_t _ALIGN(A) endiandata[20]; |
|
uint32_t *pdata = work->data; |
|
uint32_t *ptarget = work->target; |
|
|
|
const uint32_t first_nonce = pdata[19]; |
|
|
|
int dev_id = device_map[thr_id]; |
|
int intensity = (device_sm[dev_id] >= 500 && !is_windows()) ? 28 : 25; |
|
if (device_sm[dev_id] >= 520 && is_windows()) intensity = 26; |
|
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); |
|
|
|
if (!init[thr_id]) |
|
{ |
|
cudaSetDevice(dev_id); |
|
if (opt_cudaschedule == -1 && gpu_threads == 1) { |
|
cudaDeviceReset(); |
|
// reduce cpu usage (linux) |
|
cudaSetDeviceFlags(cudaDeviceScheduleBlockingSync); |
|
CUDA_LOG_ERROR(); |
|
} |
|
gpulog(LOG_INFO, thr_id, "Intensity set to %g, %u cuda threads", throughput2intensity(throughput), throughput); |
|
|
|
CUDA_CALL_OR_RET_X(cudaMalloc(&d_resNonces[thr_id], NBN * sizeof(uint32_t)), -1); |
|
init[thr_id] = true; |
|
} |
|
|
|
for (int i=0; i < 20; i++) |
|
be32enc(&endiandata[i], pdata[i]); |
|
|
|
const uint2 target = make_uint2(ptarget[6], ptarget[7]); |
|
blake2b_setBlock(endiandata); |
|
|
|
do { |
|
work->nonces[0] = blake2b_hash_cuda(thr_id, throughput, pdata[19], target, work->nonces[1]); |
|
|
|
*hashes_done = pdata[19] - first_nonce + throughput; |
|
|
|
if (work->nonces[0] != UINT32_MAX) |
|
{ |
|
const uint32_t Htarg = ptarget[7]; |
|
uint32_t _ALIGN(A) vhash[8]; |
|
work->valid_nonces = 0; |
|
endiandata[19] = work->nonces[0]; |
|
blake2b_hash(vhash, endiandata); |
|
if (vhash[7] <= Htarg && fulltest(vhash, ptarget)) { |
|
work_set_target_ratio(work, vhash); |
|
work->valid_nonces++; |
|
pdata[19] = work->nonces[0] + 1; |
|
} else { |
|
gpu_increment_reject(thr_id); |
|
} |
|
|
|
if (work->nonces[1] != UINT32_MAX) { |
|
endiandata[19] = work->nonces[1]; |
|
blake2b_hash(vhash, endiandata); |
|
if (vhash[7] <= Htarg && fulltest(vhash, ptarget)) { |
|
if (bn_hash_target_ratio(vhash, ptarget) > work->shareratio[0]) { |
|
work->sharediff[1] = work->sharediff[0]; |
|
work->shareratio[1] = work->shareratio[0]; |
|
xchg(work->nonces[1], work->nonces[0]); |
|
work_set_target_ratio(work, vhash); |
|
} else { |
|
bn_set_target_ratio(work, vhash, 1); |
|
} |
|
work->valid_nonces++; |
|
pdata[19] = max(work->nonces[0], work->nonces[1]) + 1; // next scan start |
|
} else { |
|
gpu_increment_reject(thr_id); |
|
} |
|
} |
|
|
|
if (work->valid_nonces) { |
|
work->nonces[0] = cuda_swab32(work->nonces[0]); |
|
work->nonces[1] = cuda_swab32(work->nonces[1]); |
|
return work->valid_nonces; |
|
} |
|
} |
|
|
|
if ((uint64_t) throughput + pdata[19] >= max_nonce) { |
|
pdata[19] = max_nonce; |
|
break; |
|
} |
|
|
|
pdata[19] += throughput; |
|
|
|
} while (!work_restart[thr_id].restart); |
|
|
|
*hashes_done = pdata[19] - first_nonce; |
|
|
|
return 0; |
|
} |
|
|
|
// cleanup |
|
extern "C" void free_blake2b(int thr_id) |
|
{ |
|
if (!init[thr_id]) |
|
return; |
|
|
|
//cudaThreadSynchronize(); |
|
|
|
cudaFree(d_resNonces[thr_id]); |
|
|
|
init[thr_id] = false; |
|
|
|
cudaDeviceSynchronize(); |
|
}
|
|
|