GOSTSec/ccminer
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invoke gost

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orignal 2017-04-17 13:18:32 -04:00
parent 1042762dc4
commit aa4dcdf58d
4 changed files with 102 additions and 0 deletions
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2
algos.h
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@ -18,6 +18,7 @@ enum sha_algos {
ALGO_DMD_GR,
ALGO_FRESH,
ALGO_FUGUE256, /* Fugue256 */
ALGO_GOST,
ALGO_GROESTL,
ALGO_HEAVY, /* Heavycoin hash */
ALGO_HMQ1725,
@ -78,6 +79,7 @@ static const char *algo_names[] = {
"dmd-gr",
"fresh",
"fugue256",
"gost",
"groestl",
"heavy",
"hmq1725",

4
ccminer.cpp
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@ -236,6 +236,7 @@ Options:\n\
dmd-gr Diamond-Groestl\n\
fresh Freshcoin (shavite 80)\n\
fugue256 Fuguecoin\n\
gost GOST\n\
groestl Groestlcoin\n\
heavy Heavycoin\n\
hmq1725 Doubloons / Espers\n\
@ -2323,6 +2324,9 @@ static void *miner_thread(void *userdata)
case ALGO_SIB:
rc = scanhash_sib(thr_id, &work, max_nonce, &hashes_done);
break;
case ALGO_GOST:
rc = scanhash_gost(thr_id, &work, max_nonce, &hashes_done);
break;
case ALGO_S3:
rc = scanhash_s3(thr_id, &work, max_nonce, &hashes_done);
break;

95
gost/gost.cu
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@ -32,3 +32,98 @@ extern "C" void gosthash(void *output, const void *input)
memcpy(output, hash, 32);
}
//#define _DEBUG
#define _DEBUG_PREFIX "sib"
#include "cuda_debug.cuh"
static bool init[MAX_GPUS] = { 0 };
extern "C" int scanhash_gost(int thr_id, struct work* work, uint32_t max_nonce, unsigned long *hashes_done)
{
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
const uint32_t first_nonce = pdata[19];
const int dev_id = device_map[thr_id];
int intensity = (device_sm[dev_id] >= 500 && !is_windows()) ? 19 : 18; // 2^18 = 262144 cuda threads
if (device_sm[dev_id] >= 600) intensity = 20;
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);
CUDA_CALL_OR_RET_X(cudaMalloc(&d_hash[thr_id], (size_t) 64 * throughput), -1);
cuda_check_cpu_init(thr_id, throughput);
init[thr_id] = true;
}
uint32_t endiandata[20];
for (int k=0; k < 20; k++)
be32enc(&endiandata[k], pdata[k]);
do {
int order = 0;
// Hash with CUDA
//streebog_cpu_hash_64(thr_id, throughput, d_hash[thr_id]);
//TRACE("gost :");
work->nonces[0] = cuda_check_hash(thr_id, throughput, pdata[19], d_hash[thr_id]);
if (work->nonces[0] != UINT32_MAX)
{
const uint32_t Htarg = ptarget[7];
uint32_t _ALIGN(64) vhash[8];
be32enc(&endiandata[19], work->nonces[0]);
sibhash(vhash, endiandata);
if (vhash[7] <= Htarg && fulltest(vhash, ptarget)) {
work->valid_nonces = 1;
work_set_target_ratio(work, vhash);
work->nonces[1] =cuda_check_hash_suppl(thr_id, throughput, pdata[19], d_hash[thr_id], 1);
*hashes_done = pdata[19] - first_nonce + throughput;
if (work->nonces[1] != 0) {
be32enc(&endiandata[19], work->nonces[1]);
sibhash(vhash, endiandata);
bn_set_target_ratio(work, vhash, 1);
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);
if (!opt_quiet)
gpulog(LOG_WARNING, thr_id, "result for %08x does not validate on CPU!", work->nonces[0]);
pdata[19] = work->nonces[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;
}

1
miner.h
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@ -304,6 +304,7 @@ extern int scanhash_sha256d(int thr_id, struct work *work, uint32_t max_nonce, u
extern int scanhash_sha256t(int thr_id, struct work *work, uint32_t max_nonce, unsigned long *hashes_done);
extern int scanhash_sia(int thr_id, struct work *work, uint32_t max_nonce, unsigned long *hashes_done);
extern int scanhash_sib(int thr_id, struct work* work, uint32_t max_nonce, unsigned long *hashes_done);
extern int scanhash_gost(int thr_id, struct work* work, uint32_t max_nonce, unsigned long *hashes_done);
extern int scanhash_skeincoin(int thr_id, struct work* work, uint32_t max_nonce, unsigned long *hashes_done);
extern int scanhash_skein2(int thr_id, struct work* work, uint32_t max_nonce, unsigned long *hashes_done);
extern int scanhash_s3(int thr_id, struct work* work, uint32_t max_nonce, unsigned long *hashes_done);