@ -1,6 +1,9 @@
@@ -1,6 +1,9 @@
extern "C" {
/**
* SKEIN512 80 + SKEIN512 64 (Woodcoin)
* by tpruvot@github - 2015
*/
#include "sph/sph_skein.h"
}
#include "miner.h"
#include "cuda_helper.h"
@ -8,21 +11,19 @@ extern "C" {
@@ -8,21 +11,19 @@ extern "C" {
static uint32_t *d_hash[MAX_GPUS];
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 order );
extern void skein512_cpu_hash_80(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_hash, int swap );
extern void quark_skein512_cpu_hash_64(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order);
extern "C" void skein2hash(void *output, const void *input)
{
uint32_t _ALIGN(64) hash[16];
sph_skein512_context ctx_skein;
uint32_t hash[16];
sph_skein512_init(&ctx_skein);
sph_skein512(&ctx_skein, input, 80);
sph_skein512_close(&ctx_skein, hash);
//applog_hash((uchar*)hash);
//applog_hash((uchar*)&hash[8]);
sph_skein512_init(&ctx_skein);
sph_skein512(&ctx_skein, hash, 64);
sph_skein512_close(&ctx_skein, hash);
@ -30,21 +31,6 @@ extern "C" void skein2hash(void *output, const void *input)
@@ -30,21 +31,6 @@ extern "C" void skein2hash(void *output, const void *input)
memcpy(output, hash, 32);
}
#ifdef _DEBUG
#define TRACE(algo) { \
if (max_nonce == 1 && pdata[19] <= 1) { \
uint32_t* debugbuf = NULL; \
cudaMallocHost(&debugbuf, 16*sizeof(uint32_t)); \
cudaMemcpy(debugbuf, d_hash[thr_id], 16*sizeof(uint32_t), cudaMemcpyDeviceToHost); \
printf("SK2 %s %08x %08x %08x %08x...\n", algo, \
swab32(debugbuf[0]), swab32(debugbuf[1]), swab32(debugbuf[2]), swab32(debugbuf[3])); \
cudaFree(debugbuf); \
} \
}
#else
#define TRACE(algo) {}
#endif
static bool init[MAX_GPUS] = { 0 };
extern "C" int scanhash_skein2(int thr_id, uint32_t *pdata,
@ -53,25 +39,25 @@ extern "C" int scanhash_skein2(int thr_id, uint32_t *pdata,
@@ -53,25 +39,25 @@ extern "C" int scanhash_skein2(int thr_id, uint32_t *pdata,
{
const uint32_t first_nonce = pdata[19];
uint32_t throughput = device_intensity(thr_id, __func__, 1 << 19); // 256*256*8
throughput = min(throughput, (max_nonce - first_nonce));
uint32_t throughput = device_intensity(thr_id, __func__, 1 << 19); // 256*256*8
throughput = min(throughput, (max_nonce - first_nonce));
if (opt_benchmark)
((uint32_t*)ptarget)[7] = 0x0FFF ;
((uint32_t*)ptarget)[7] = 0;
if (!init[thr_id])
{
cudaDeviceReset();
cudaSetDevice(device_map[thr_id]);
CUDA_SAFE_CALL(cudaMalloc(&d_hash[thr_id], 64 * throughput));
CUDA_SAFE_CALL(cudaMalloc(&d_hash[thr_id], 64UL * throughput));
cuda_check_cpu_init(thr_id, throughput);
init[thr_id] = true;
}
uint32_t endiandata[20];
for (int k=0; k < 20 ; k++)
for (int k=0; k < 19 ; k++)
be32enc(&endiandata[k], pdata[k]);
skein512_cpu_setBlock_80((void*)endiandata);
@ -81,24 +67,22 @@ extern "C" int scanhash_skein2(int thr_id, uint32_t *pdata,
@@ -81,24 +67,22 @@ extern "C" int scanhash_skein2(int thr_id, uint32_t *pdata,
int order = 0;
// Hash with CUDA
skein512_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], order++);
TRACE("80:");
skein512_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], 0);
quark_skein512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++);
TRACE("64:");
*hashes_done = pdata[19] - first_nonce + throughput;
uint32_t foundNonce = cuda_check_hash(thr_id, throughput, pdata[19], d_hash[thr_id]);
if (foundNonce != UINT32_MAX)
{
uint32_t vhash64[8];
uint32_t _ALIGN(64) vhash64[8];
endiandata[19] = foundNonce;
skein2hash(vhash64, endiandata);
#define Htarg ptarget[7]
if (vhash64[7] <= Htarg && fulltest(vhash64, ptarget)) {
if (vhash64[7] <= ptarget[7] && fulltest(vhash64, ptarget)) {
int res = 1;
uint32_t secNonce = cuda_check_hash_suppl(thr_id, throughput, pdata[19], d_hash[thr_id], 1);
*hashes_done = pdata[19] - first_nonce + throughput;
if (secNonce != 0) {
if (!opt_quiet)
applog(LOG_BLUE, "GPU #%d: found second nonce %08x !", device_map[thr_id], swab32(secNonce));
@ -113,10 +97,13 @@ extern "C" int scanhash_skein2(int thr_id, uint32_t *pdata,
@@ -113,10 +97,13 @@ extern "C" int scanhash_skein2(int thr_id, uint32_t *pdata,
}
}
if (((uint64_t) throughput + pdata[19]) > max_nonce) {
break;
}
pdata[19] += throughput;
} while (pdata[19] < max_nonce && !work_restart[thr_id].restart);
} while (!work_restart[thr_id].restart);
*hashes_done = pdata[19] - first_nonce + 1;
return 0;
}
Tanguy Pruvot
9 years ago