GOSTcoin support for ccminer CUDA miner project, compatible with most nvidia cards
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.

176 lines
4.9 KiB

extern "C" {
#include "sph/sph_skein.h"
#include "sph/sph_shavite.h"
#include "sph/sph_shabal.h"
#include "sph/sph_streebog.h"
}
#include "miner.h"
#include "cuda_helper.h"
#include "cuda_x11.h"
extern void streebog_cpu_hash_64(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_hash);
extern void x14_shabal512_cpu_init(int thr_id, uint32_t threads);
extern void x14_shabal512_cpu_hash_64(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order);
extern void quark_skein512_cpu_init(int thr_id, uint32_t threads);
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);
#include <stdio.h>
#include <memory.h>
static uint32_t *d_hash[MAX_GPUS];
// Veltor CPU Hash
extern "C" void veltorhash(void *output, const void *input)
{
uint8_t _ALIGN(64) hash[128] = { 0 };
sph_skein512_context ctx_skein;
sph_shavite512_context ctx_shavite;
sph_shabal512_context ctx_shabal;
sph_gost512_context ctx_gost;
sph_skein512_init(&ctx_skein);
sph_skein512(&ctx_skein, input, 80);
sph_skein512_close(&ctx_skein, (void*) hash);
sph_shavite512_init(&ctx_shavite);
sph_shavite512(&ctx_shavite, (const void*) hash, 64);
sph_shavite512_close(&ctx_shavite, (void*) hash);
sph_shabal512_init(&ctx_shabal);
sph_shabal512(&ctx_shabal, (const void*) hash, 64);
sph_shabal512_close(&ctx_shabal, (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);
}
//#define _DEBUG
#define _DEBUG_PREFIX "veltor"
#include "cuda_debug.cuh"
static bool init[MAX_GPUS] = { 0 };
extern "C" int scanhash_veltor(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];
int intensity = (device_sm[device_map[thr_id]] >= 500 && !is_windows()) ? 20 : 18;
uint32_t throughput = cuda_default_throughput(thr_id, 1U << intensity); // 19=256*256*8;
//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();
}
quark_skein512_cpu_init(thr_id, throughput);
x11_shavite512_cpu_init(thr_id, throughput);
x14_shabal512_cpu_init(thr_id, throughput);
CUDA_CALL_OR_RET_X(cudaMalloc(&d_hash[thr_id], (size_t) 64 * throughput), 0);
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]);
skein512_cpu_setBlock_80(endiandata);
cuda_check_cpu_setTarget(ptarget);
do {
int order = 0;
uint32_t foundNonce;
// Hash with CUDA
skein512_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], 1); order++;
TRACE("blake :");
x11_shavite512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++);
TRACE("shavite:");
x14_shabal512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++);
TRACE("shabal :");
streebog_cpu_hash_64(thr_id, throughput, pdata[19], d_hash[thr_id]);
TRACE("gost :");
*hashes_done = pdata[19] - first_nonce + throughput;
foundNonce = cuda_check_hash(thr_id, throughput, pdata[19], d_hash[thr_id]);
if (foundNonce != UINT32_MAX)
{
const uint32_t Htarg = ptarget[7];
uint32_t _ALIGN(64) vhash[8];
be32enc(&endiandata[19], foundNonce);
veltorhash(vhash, endiandata);
if (vhash[7] <= Htarg && fulltest(vhash, ptarget)) {
int res = 1;
// check if there was another one...
uint32_t secNonce = cuda_check_hash_suppl(thr_id, throughput, pdata[19], d_hash[thr_id], 1);
work_set_target_ratio(work, vhash);
if (secNonce != 0) {
be32enc(&endiandata[19], secNonce);
veltorhash(vhash, endiandata);
work->nonces[1] = secNonce;
if (bn_hash_target_ratio(vhash, ptarget) > work->shareratio) {
work_set_target_ratio(work, vhash);
xchg(work->nonces[1], work->nonces[0]);
}
res++;
}
pdata[19] = work->nonces[0] = foundNonce;
return res;
} else {
gpulog(LOG_WARNING, thr_id, "result for %08x does not validate on CPU!", foundNonce);
pdata[19] = foundNonce + 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_veltor(int thr_id)
{
if (!init[thr_id])
return;
cudaThreadSynchronize();
cudaFree(d_hash[thr_id]);
cuda_check_cpu_free(thr_id);
init[thr_id] = false;
cudaDeviceSynchronize();
}