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.
212 lines
6.7 KiB
212 lines
6.7 KiB
/** |
|
* Skunk Algo for Signatum |
|
* (skein, cube, fugue, gost streebog) |
|
* |
|
* tpruvot@github 08 2017 - GPLv3 |
|
*/ |
|
extern "C" { |
|
#include "sph/sph_skein.h" |
|
#include "sph/sph_cubehash.h" |
|
#include "sph/sph_fugue.h" |
|
#include "sph/sph_streebog.h" |
|
} |
|
|
|
#include "miner.h" |
|
#include "cuda_helper.h" |
|
|
|
//#define WANT_COMPAT_KERNEL |
|
|
|
// compatibility kernels |
|
extern void skein512_cpu_setBlock_80(void *pdata); |
|
extern void skein512_cpu_hash_80(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_hash, int swap); |
|
extern void x11_cubehash512_cpu_hash_64(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order); |
|
extern void x13_fugue512_cpu_init(int thr_id, uint32_t threads); |
|
extern void x13_fugue512_cpu_hash_64(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order); |
|
extern void x13_fugue512_cpu_free(int thr_id); |
|
extern void streebog_cpu_hash_64_final(int thr_id, uint32_t threads, uint32_t *d_hash, uint32_t* d_resNonce); |
|
extern void streebog_set_target(const uint32_t* ptarget); |
|
|
|
// krnlx merged kernel (for high-end cards only) |
|
extern void skunk_cpu_init(int thr_id, uint32_t threads); |
|
extern void skunk_set_target(uint32_t* ptarget); |
|
extern void skunk_setBlock_80(int thr_id, void *pdata); |
|
extern void skunk_cuda_hash_80(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_hash); |
|
extern void skunk_cuda_streebog(int thr_id, uint32_t threads, uint32_t *d_hash, uint32_t* d_resNonce); |
|
|
|
#include <stdio.h> |
|
#include <memory.h> |
|
|
|
#define NBN 2 |
|
static uint32_t *d_hash[MAX_GPUS]; |
|
static uint32_t *d_resNonce[MAX_GPUS]; |
|
|
|
// CPU Hash |
|
extern "C" void skunk_hash(void *output, const void *input) |
|
{ |
|
unsigned char _ALIGN(128) hash[128] = { 0 }; |
|
|
|
sph_skein512_context ctx_skein; |
|
sph_cubehash512_context ctx_cubehash; |
|
sph_fugue512_context ctx_fugue; |
|
sph_gost512_context ctx_gost; |
|
|
|
sph_skein512_init(&ctx_skein); |
|
sph_skein512(&ctx_skein, input, 80); |
|
sph_skein512_close(&ctx_skein, (void*) hash); |
|
|
|
sph_cubehash512_init(&ctx_cubehash); |
|
sph_cubehash512(&ctx_cubehash, (const void*) hash, 64); |
|
sph_cubehash512_close(&ctx_cubehash, (void*) hash); |
|
|
|
sph_fugue512_init(&ctx_fugue); |
|
sph_fugue512(&ctx_fugue, (const void*) hash, 64); |
|
sph_fugue512_close(&ctx_fugue, (void*) hash); |
|
|
|
sph_gost512_init(&ctx_gost); |
|
sph_gost512(&ctx_gost, (const void*) hash, 64); |
|
sph_gost512_close(&ctx_gost, (void*) hash); |
|
|
|
memcpy(output, hash, 32); |
|
} |
|
|
|
static bool init[MAX_GPUS] = { 0 }; |
|
static bool use_compat_kernels[MAX_GPUS] = { 0 }; |
|
|
|
extern "C" int scanhash_skunk(int thr_id, struct work* work, uint32_t max_nonce, unsigned long *hashes_done) |
|
{ |
|
int dev_id = device_map[thr_id]; |
|
|
|
uint32_t *pdata = work->data; |
|
uint32_t *ptarget = work->target; |
|
const uint32_t first_nonce = pdata[19]; |
|
int intensity = (device_sm[device_map[thr_id]] > 500) ? 18 : 17; |
|
if (strstr(device_name[dev_id], "GTX 10")) intensity = 20; |
|
if (strstr(device_name[dev_id], "GTX 1080")) intensity = 21; |
|
uint32_t throughput = cuda_default_throughput(thr_id, 1U << intensity); |
|
//if (init[thr_id]) throughput = min(throughput, max_nonce - first_nonce); |
|
|
|
if (opt_benchmark) |
|
ptarget[7] = 0xf; |
|
|
|
if (!init[thr_id]) |
|
{ |
|
cudaSetDevice(device_map[thr_id]); |
|
if (opt_cudaschedule == -1 && gpu_threads == 1) { |
|
cudaDeviceReset(); |
|
// reduce cpu usage |
|
cudaSetDeviceFlags(cudaDeviceScheduleBlockingSync); |
|
CUDA_LOG_ERROR(); |
|
} |
|
gpulog(LOG_INFO, thr_id, "Intensity set to %g, %u cuda threads", throughput2intensity(throughput), throughput); |
|
|
|
skunk_cpu_init(thr_id, throughput); |
|
use_compat_kernels[thr_id] = (cuda_arch[dev_id] < 500 || CUDART_VERSION < 7500 || CUDART_VERSION > 8000); |
|
if (use_compat_kernels[thr_id]) x13_fugue512_cpu_init(thr_id, throughput); |
|
|
|
CUDA_CALL_OR_RET_X(cudaMalloc(&d_hash[thr_id], (size_t) 64 * throughput), 0); |
|
CUDA_CALL_OR_RET_X(cudaMalloc(&d_resNonce[thr_id], NBN * sizeof(uint32_t)), -1); |
|
|
|
init[thr_id] = true; |
|
} |
|
|
|
uint32_t _ALIGN(64) h_resNonce[NBN]; |
|
uint32_t _ALIGN(64) endiandata[20]; |
|
for (int k=0; k < 20; k++) |
|
be32enc(&endiandata[k], pdata[k]); |
|
|
|
cudaMemset(d_resNonce[thr_id], 0xff, NBN*sizeof(uint32_t)); |
|
if (use_compat_kernels[thr_id]) { |
|
skein512_cpu_setBlock_80(endiandata); |
|
streebog_set_target(ptarget); |
|
} else { |
|
skunk_setBlock_80(thr_id, endiandata); |
|
skunk_set_target(ptarget); |
|
} |
|
|
|
do { |
|
int order = 0; |
|
if (use_compat_kernels[thr_id]) { |
|
skein512_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], order++); |
|
x11_cubehash512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
|
x13_fugue512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
|
streebog_cpu_hash_64_final(thr_id, throughput, d_hash[thr_id], d_resNonce[thr_id]); |
|
} else { |
|
skunk_cuda_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id]); |
|
skunk_cuda_streebog(thr_id, throughput, d_hash[thr_id], d_resNonce[thr_id]); |
|
} |
|
cudaMemcpy(h_resNonce, d_resNonce[thr_id], NBN*sizeof(uint32_t), cudaMemcpyDeviceToHost); |
|
|
|
*hashes_done = pdata[19] - first_nonce + throughput; |
|
|
|
if (h_resNonce[0] != UINT32_MAX) |
|
{ |
|
uint32_t _ALIGN(64) vhash[8]; |
|
const uint32_t Htarg = ptarget[7]; |
|
const uint32_t startNounce = pdata[19]; |
|
|
|
be32enc(&endiandata[19], startNounce + h_resNonce[0]); |
|
skunk_hash(vhash, endiandata); |
|
if (vhash[7] <= Htarg && fulltest(vhash, ptarget)) |
|
{ |
|
work->nonces[0] = startNounce + h_resNonce[0]; |
|
work->valid_nonces = 1; |
|
work_set_target_ratio(work, vhash); |
|
if (h_resNonce[1] != UINT32_MAX) |
|
{ |
|
uint32_t secNonce = work->nonces[1] = startNounce + h_resNonce[1]; |
|
be32enc(&endiandata[19], secNonce); |
|
skunk_hash(vhash, endiandata); |
|
work->nonces[1] = secNonce; |
|
if (bn_hash_target_ratio(vhash, ptarget) > work->shareratio[0]) { |
|
work_set_target_ratio(work, vhash); |
|
xchg(work->nonces[1], work->nonces[0]); |
|
} else { |
|
bn_set_target_ratio(work, vhash, work->valid_nonces); |
|
} |
|
work->valid_nonces++; |
|
pdata[19] = max(work->nonces[0], work->nonces[1]) + 1; |
|
} else { |
|
pdata[19] = work->nonces[0] + 1; // cursor |
|
} |
|
return work->valid_nonces; |
|
} |
|
else if (vhash[7] > Htarg) { |
|
gpu_increment_reject(thr_id); |
|
cudaMemset(d_resNonce[thr_id], 0xff, NBN*sizeof(uint32_t)); |
|
gpulog(LOG_WARNING, thr_id, "result does not validate on CPU!"); |
|
pdata[19] = startNounce + h_resNonce[0] + 1; |
|
continue; |
|
} |
|
} |
|
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_skunk(int thr_id) |
|
{ |
|
if (!init[thr_id]) |
|
return; |
|
|
|
cudaThreadSynchronize(); |
|
|
|
if (use_compat_kernels[thr_id]) |
|
x13_fugue512_cpu_free(thr_id); |
|
|
|
cudaFree(d_hash[thr_id]); |
|
cudaFree(d_resNonce[thr_id]); |
|
|
|
init[thr_id] = false; |
|
|
|
cudaDeviceSynchronize(); |
|
}
|
|
|