GOSTCoin CUDA miner project, compatible with most nvidia cards, containing only gostd algo
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extern "C"
{
#include "sph/sph_keccak.h"
#include "sph/sph_blake.h"
#include "sph/sph_groestl.h"
#include "sph/sph_jh.h"
#include "sph/sph_skein.h"
}
#include "miner.h"
#include "cuda_helper.h"
#include "quark/cuda_quark.h"
static uint32_t *d_hash[MAX_GPUS] = { 0 };
// Speicher zur Generierung der Noncevektoren für die bedingten Hashes
static uint32_t *d_jackpotNonces[MAX_GPUS] = { 0 };
static uint32_t *d_branch1Nonces[MAX_GPUS] = { 0 };
static uint32_t *d_branch2Nonces[MAX_GPUS] = { 0 };
static uint32_t *d_branch3Nonces[MAX_GPUS] = { 0 };
extern void jackpot_keccak512_cpu_init(int thr_id, uint32_t threads);
extern void jackpot_keccak512_cpu_setBlock(void *pdata, size_t inlen);
extern void jackpot_keccak512_cpu_hash(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_hash, int order);
extern void jackpot_compactTest_cpu_init(int thr_id, uint32_t threads);
extern void jackpot_compactTest_cpu_free(int thr_id);
extern void jackpot_compactTest_cpu_hash_64(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *inpHashes, uint32_t *d_validNonceTable,
uint32_t *d_nonces1, uint32_t *nrm1, uint32_t *d_nonces2, uint32_t *nrm2, int order);
extern uint32_t cuda_check_hash_branch(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_inputHash, int order);
// Original jackpothash Funktion aus einem miner Quelltext
extern "C" unsigned int jackpothash(void *state, const void *input)
{
uint32_t hash[16];
unsigned int rnd;
sph_blake512_context ctx_blake;
sph_groestl512_context ctx_groestl;
sph_jh512_context ctx_jh;
sph_keccak512_context ctx_keccak;
sph_skein512_context ctx_skein;
sph_keccak512_init(&ctx_keccak);
sph_keccak512 (&ctx_keccak, input, 80);
sph_keccak512_close(&ctx_keccak, hash);
for (rnd = 0; rnd < 3; rnd++)
{
if (hash[0] & 0x01) {
sph_groestl512_init(&ctx_groestl);
sph_groestl512 (&ctx_groestl, (&hash), 64);
sph_groestl512_close(&ctx_groestl, (&hash));
}
else {
sph_skein512_init(&ctx_skein);
sph_skein512 (&ctx_skein, (&hash), 64);
sph_skein512_close(&ctx_skein, (&hash));
}
if (hash[0] & 0x01) {
sph_blake512_init(&ctx_blake);
sph_blake512 (&ctx_blake, (&hash), 64);
sph_blake512_close(&ctx_blake, (&hash));
}
else {
sph_jh512_init(&ctx_jh);
sph_jh512 (&ctx_jh, (&hash), 64);
sph_jh512_close(&ctx_jh, (&hash));
}
}
memcpy(state, hash, 32);
return rnd;
}
static bool init[MAX_GPUS] = { 0 };
extern "C" int scanhash_jackpot(int thr_id, struct work *work, uint32_t max_nonce, unsigned long *hashes_done)
{
uint32_t _ALIGN(64) endiandata[22];
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
const uint32_t first_nonce = pdata[19];
int dev_id = device_map[thr_id];
uint32_t throughput = cuda_default_throughput(thr_id, 1U << 20);
if (init[thr_id]) throughput = min(throughput, max_nonce - first_nonce);
if (opt_benchmark)
ptarget[7] = 0x000f;
if (!init[thr_id])
{
cudaSetDevice(dev_id);
if (opt_cudaschedule == -1 && gpu_threads == 1) {
cudaDeviceReset();
// reduce cpu usage
cudaSetDeviceFlags(cudaDeviceScheduleBlockingSync);
CUDA_LOG_ERROR();
}
cuda_get_arch(thr_id);
if (device_sm[dev_id] < 300 || cuda_arch[dev_id] < 300) {
gpulog(LOG_ERR, thr_id, "Sorry, This algo is not supported by this GPU arch (SM 3.0 required)");
proper_exit(EXIT_CODE_CUDA_ERROR);
}
gpulog(LOG_INFO, thr_id, "Intensity set to %g, %u cuda threads", throughput2intensity(throughput), throughput);
CUDA_SAFE_CALL(cudaMalloc(&d_hash[thr_id], (size_t) 64 * throughput));
jackpot_keccak512_cpu_init(thr_id, throughput);
jackpot_compactTest_cpu_init(thr_id, throughput);
quark_blake512_cpu_init(thr_id, throughput);
quark_groestl512_cpu_init(thr_id, throughput);
quark_jh512_cpu_init(thr_id, throughput);
quark_skein512_cpu_init(thr_id, throughput);
cuda_check_cpu_init(thr_id, throughput);
cudaMalloc(&d_branch1Nonces[thr_id], (size_t) sizeof(uint32_t)*throughput*2);
cudaMalloc(&d_branch2Nonces[thr_id], (size_t) sizeof(uint32_t)*throughput*2);
cudaMalloc(&d_branch3Nonces[thr_id], (size_t) sizeof(uint32_t)*throughput*2);
CUDA_SAFE_CALL(cudaMalloc(&d_jackpotNonces[thr_id], (size_t) sizeof(uint32_t)*throughput*2));
init[thr_id] = true;
}
for (int k=0; k < 22; k++)
be32enc(&endiandata[k], pdata[k]);
jackpot_keccak512_cpu_setBlock((void*)endiandata, 80);
cuda_check_cpu_setTarget(ptarget);
do {
int order = 0;
// erstes Keccak512 Hash mit CUDA
jackpot_keccak512_cpu_hash(thr_id, throughput, pdata[19], d_hash[thr_id], order++);
uint32_t nrm1, nrm2, nrm3;
// Runde 1 (ohne Gröstl)
jackpot_compactTest_cpu_hash_64(thr_id, throughput, pdata[19], d_hash[thr_id], NULL,
d_branch1Nonces[thr_id], &nrm1,
d_branch3Nonces[thr_id], &nrm3,
order++);
// verfolge den skein-pfad weiter
quark_skein512_cpu_hash_64(thr_id, nrm3, pdata[19], d_branch3Nonces[thr_id], d_hash[thr_id], order++);
// noch schnell Blake & JH
jackpot_compactTest_cpu_hash_64(thr_id, nrm3, pdata[19], d_hash[thr_id], d_branch3Nonces[thr_id],
d_branch1Nonces[thr_id], &nrm1,
d_branch2Nonces[thr_id], &nrm2,
order++);
if (nrm1+nrm2 == nrm3) {
quark_blake512_cpu_hash_64(thr_id, nrm1, pdata[19], d_branch1Nonces[thr_id], d_hash[thr_id], order++);
quark_jh512_cpu_hash_64(thr_id, nrm2, pdata[19], d_branch2Nonces[thr_id], d_hash[thr_id], order++);
}
// Runde 3 (komplett)
// jackpotNonces in branch1/2 aufsplitten gemäss if (hash[0] & 0x01)
jackpot_compactTest_cpu_hash_64(thr_id, nrm3, pdata[19], d_hash[thr_id], d_branch3Nonces[thr_id],
d_branch1Nonces[thr_id], &nrm1,
d_branch2Nonces[thr_id], &nrm2,
order++);
if (nrm1+nrm2 == nrm3) {
quark_groestl512_cpu_hash_64(thr_id, nrm1, pdata[19], d_branch1Nonces[thr_id], d_hash[thr_id], order++);
quark_skein512_cpu_hash_64(thr_id, nrm2, pdata[19], d_branch2Nonces[thr_id], d_hash[thr_id], order++);
}
// jackpotNonces in branch1/2 aufsplitten gemäss if (hash[0] & 0x01)
jackpot_compactTest_cpu_hash_64(thr_id, nrm3, pdata[19], d_hash[thr_id], d_branch3Nonces[thr_id],
d_branch1Nonces[thr_id], &nrm1,
d_branch2Nonces[thr_id], &nrm2,
order++);
if (nrm1+nrm2 == nrm3) {
quark_blake512_cpu_hash_64(thr_id, nrm1, pdata[19], d_branch1Nonces[thr_id], d_hash[thr_id], order++);
quark_jh512_cpu_hash_64(thr_id, nrm2, pdata[19], d_branch2Nonces[thr_id], d_hash[thr_id], order++);
}
// Runde 3 (komplett)
// jackpotNonces in branch1/2 aufsplitten gemäss if (hash[0] & 0x01)
jackpot_compactTest_cpu_hash_64(thr_id, nrm3, pdata[19], d_hash[thr_id], d_branch3Nonces[thr_id],
d_branch1Nonces[thr_id], &nrm1,
d_branch2Nonces[thr_id], &nrm2,
order++);
if (nrm1+nrm2 == nrm3) {
quark_groestl512_cpu_hash_64(thr_id, nrm1, pdata[19], d_branch1Nonces[thr_id], d_hash[thr_id], order++);
quark_skein512_cpu_hash_64(thr_id, nrm2, pdata[19], d_branch2Nonces[thr_id], d_hash[thr_id], order++);
}
// jackpotNonces in branch1/2 aufsplitten gemäss if (hash[0] & 0x01)
jackpot_compactTest_cpu_hash_64(thr_id, nrm3, pdata[19], d_hash[thr_id], d_branch3Nonces[thr_id],
d_branch1Nonces[thr_id], &nrm1,
d_branch2Nonces[thr_id], &nrm2,
order++);
if (nrm1+nrm2 == nrm3) {
quark_blake512_cpu_hash_64(thr_id, nrm1, pdata[19], d_branch1Nonces[thr_id], d_hash[thr_id], order++);
quark_jh512_cpu_hash_64(thr_id, nrm2, pdata[19], d_branch2Nonces[thr_id], d_hash[thr_id], order++);
}
*hashes_done = pdata[19] - first_nonce + throughput;
CUDA_LOG_ERROR();
uint32_t foundNonce = cuda_check_hash_branch(thr_id, nrm3, pdata[19], d_branch3Nonces[thr_id], d_hash[thr_id], order++);
if (foundNonce != UINT32_MAX)
{
uint32_t vhash64[8];
be32enc(&endiandata[19], foundNonce);
// jackpothash function gibt die Zahl der Runden zurück
jackpothash(vhash64, endiandata);
if (vhash64[7] <= ptarget[7] && fulltest(vhash64, ptarget)) {
int res = 1;
work_set_target_ratio(work, vhash64);
#if 0
uint32_t secNonce = cuda_check_hash_suppl(thr_id, throughput, pdata[19], d_hash[thr_id], 1);
if (secNonce != 0) {
be32enc(&endiandata[19], secNonce);
nist5hash(vhash64, endiandata);
if (bn_hash_target_ratio(vhash64, ptarget) > work->shareratio[0])
work_set_target_ratio(work, vhash64);
pdata[21] = secNonce;
res++;
}
#endif
pdata[19] = foundNonce;
return res;
} else {
gpulog(LOG_WARNING, thr_id, "result for %08x does not validate on CPU!", foundNonce);
}
}
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;
CUDA_LOG_ERROR();
return 0;
}
// cleanup
extern "C" void free_jackpot(int thr_id)
{
if (!init[thr_id])
return;
cudaThreadSynchronize();
cudaFree(d_branch1Nonces[thr_id]);
cudaFree(d_branch2Nonces[thr_id]);
cudaFree(d_branch3Nonces[thr_id]);
cudaFree(d_jackpotNonces[thr_id]);
quark_blake512_cpu_free(thr_id);
quark_groestl512_cpu_free(thr_id);
jackpot_compactTest_cpu_free(thr_id);
cudaFree(d_hash[thr_id]);
cuda_check_cpu_free(thr_id);
CUDA_LOG_ERROR();
cudaDeviceSynchronize();
init[thr_id] = false;
}