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 <stdint.h>
// aus cpu-miner.c
extern int device_map[8];
extern bool opt_benchmark;
// Speicher für Input/Output der verketteten Hashfunktionen
static uint32_t *d_hash[8];
extern void jackpot_keccak512_cpu_init(int thr_id, int threads);
extern void jackpot_keccak512_cpu_setBlock(void *pdata, size_t inlen);
extern void jackpot_keccak512_cpu_hash(int thr_id, int threads, uint32_t startNounce, uint32_t *d_hash, int order);
extern void quark_blake512_cpu_init(int thr_id, int threads);
extern void quark_blake512_cpu_hash_64(int thr_id, int threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order);
extern void quark_groestl512_cpu_init(int thr_id, int threads);
extern void quark_groestl512_cpu_hash_64(int thr_id, int threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order);
extern void quark_jh512_cpu_init(int thr_id, int threads);
extern void quark_jh512_cpu_hash_64(int thr_id, int threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order);
extern void quark_skein512_cpu_init(int thr_id, int threads);
extern void quark_skein512_cpu_hash_64(int thr_id, int threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order);
extern void quark_check_cpu_init(int thr_id, int threads);
extern void quark_check_cpu_setTarget(const void *ptarget);
extern uint32_t quark_check_cpu_hash_64(int thr_id, int threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_inputHash, int order);
extern void jackpot_compactTest_cpu_init(int thr_id, int threads);
extern void jackpot_compactTest_cpu_hash_64(int thr_id, int threads, uint32_t startNounce, uint32_t *inpHashes,
uint32_t *d_nonces1, size_t *nrm1,
uint32_t *d_nonces2, size_t *nrm2,
int order);
// Speicher zur Generierung der Noncevektoren für die bedingten Hashes
static uint32_t *d_jackpotNonces[8];
static uint32_t *d_branch1Nonces[8];
static uint32_t *d_branch2Nonces[8];
// Original jackpothash Funktion aus einem miner Quelltext
inline unsigned int jackpothash(void *state, const void *input)
{
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;
uint32_t hash[16];
sph_keccak512_init(&ctx_keccak);
sph_keccak512 (&ctx_keccak, input, 80);
sph_keccak512_close(&ctx_keccak, hash);
unsigned int round;
for (round = 0; round < 3; round++) {
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 round;
}
extern "C" int scanhash_jackpot(int thr_id, uint32_t *pdata,
const uint32_t *ptarget, uint32_t max_nonce,
unsigned long *hashes_done)
{
const uint32_t first_nonce = pdata[19];
// TODO: entfernen für eine Release! Ist nur zum Testen!
if (opt_benchmark)
((uint32_t*)ptarget)[7] = 0x0000ff;
const uint32_t Htarg = ptarget[7];
const int throughput = 256*4096; // 100;
static bool init[8] = {0,0,0,0,0,0,0,0};
if (!init[thr_id])
{
cudaSetDevice(device_map[thr_id]);
// Konstanten kopieren, Speicher belegen
cudaMalloc(&d_hash[thr_id], 16 * sizeof(uint32_t) * 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);
quark_check_cpu_init(thr_id, throughput);
cudaMalloc(&d_jackpotNonces[thr_id], sizeof(uint32_t)*throughput);
cudaMalloc(&d_branch1Nonces[thr_id], sizeof(uint32_t)*throughput);
cudaMalloc(&d_branch2Nonces[thr_id], sizeof(uint32_t)*throughput);
init[thr_id] = true;
}
uint32_t endiandata[22];
for (int k=0; k < 22; k++)
be32enc(&endiandata[k], ((uint32_t*)pdata)[k]);
jackpot_keccak512_cpu_setBlock((void*)endiandata, 80);
quark_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++);
for (int round=0; round < 3; round++)
{
size_t nrm1, nrm2;
// jackpotNonces in branch1/2 aufsplitten gemäss if (hash[0] & 0x01)
jackpot_compactTest_cpu_hash_64(thr_id, throughput, pdata[19], d_hash[thr_id],
d_branch1Nonces[thr_id], &nrm1,
d_branch2Nonces[thr_id], &nrm2,
order++);
if (nrm1+nrm2 == throughput) {
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, throughput, pdata[19], d_hash[thr_id],
d_branch1Nonces[thr_id], &nrm1,
d_branch2Nonces[thr_id], &nrm2,
order++);
if (nrm1+nrm2 == throughput) {
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++);
}
}
// Scan nach Gewinner Hashes auf der GPU
uint32_t foundNonce = quark_check_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++);
if (foundNonce != 0xffffffff)
{
uint32_t vhash64[8];
be32enc(&endiandata[19], foundNonce);
// diese jackpothash Funktion gibt die Zahl der Runden zurück
unsigned int rounds = jackpothash(vhash64, endiandata);
if ((vhash64[7]<=Htarg) && fulltest(vhash64, ptarget)) {
pdata[19] = foundNonce;
*hashes_done = (foundNonce - first_nonce + 1);
return 1;
} else {
applog(LOG_INFO, "GPU #%d: result for nonce $%08X does not validate on CPU (%d rounds)!", thr_id, foundNonce, rounds);
}
}
pdata[19] += throughput;
} while (pdata[19] < max_nonce && !work_restart[thr_id].restart);
*hashes_done = (pdata[19] - first_nonce + 1);
return 0;
}