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polytimos.cu
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/*
* Polytimos algorithm
*/
extern "C"
{
#include "sph/sph_skein.h"
#include "sph/sph_shabal.h"
#include "sph/sph_echo.h"
#include "sph/sph_luffa.h"
#include "sph/sph_fugue.h"
#include "sph/sph_streebog.h"
}
#include "miner.h"
#include "cuda_helper.h"
#include "x11/cuda_x11.h"
static uint32_t *d_hash[MAX_GPUS];
static uint32_t *d_resNonce[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 swap);
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 x11_cubehash512_cpu_hash_64(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order);
extern void x13_fugue512_cpu_init(int thr_id, uint32_t threads);
extern void x13_fugue512_cpu_hash_64(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order);
extern void x13_fugue512_cpu_free(int thr_id);
extern void streebog_sm3_set_target(uint32_t* ptarget);
extern void streebog_sm3_hash_64_final(int thr_id, uint32_t threads, uint32_t *d_hash, uint32_t* d_resNonce);
extern void skunk_streebog_set_target(uint32_t* ptarget);
extern void skunk_cuda_streebog(int thr_id, uint32_t threads, uint32_t *d_hash, uint32_t* d_resNonce);
// CPU Hash
extern "C" void polytimos_hash(void *output, const void *input)
{
sph_skein512_context ctx_skein;
sph_shabal512_context ctx_shabal;
sph_echo512_context ctx_echo;
sph_luffa512_context ctx_luffa;
sph_fugue512_context ctx_fugue;
sph_gost512_context ctx_gost;
uint32_t _ALIGN(128) hash[16];
memset(hash, 0, sizeof hash);
sph_skein512_init(&ctx_skein);
sph_skein512(&ctx_skein, input, 80);
sph_skein512_close(&ctx_skein, (void*) hash);
sph_shabal512_init(&ctx_shabal);
sph_shabal512(&ctx_shabal, hash, 64);
sph_shabal512_close(&ctx_shabal, hash);
sph_echo512_init(&ctx_echo);
sph_echo512(&ctx_echo, hash, 64);
sph_echo512_close(&ctx_echo, hash);
sph_luffa512_init(&ctx_luffa);
sph_luffa512(&ctx_luffa, hash, 64);
sph_luffa512_close(&ctx_luffa, hash);
sph_fugue512_init(&ctx_fugue);
sph_fugue512(&ctx_fugue, hash, 64);
sph_fugue512_close(&ctx_fugue, 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);
}
static bool init[MAX_GPUS] = { 0 };
static bool use_compat_kernels[MAX_GPUS] = { 0 };
extern "C" int scanhash_polytimos(int thr_id, struct work* work, uint32_t max_nonce, unsigned long *hashes_done)
{
int dev_id = device_map[thr_id];
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
const uint32_t first_nonce = pdata[19];
int intensity = (device_sm[dev_id] > 500 && !is_windows()) ? 20 : 19;
uint32_t throughput = cuda_default_throughput(thr_id, 1 << intensity); // 19=256*256*8;
//if (init[thr_id]) throughput = min(throughput, max_nonce - first_nonce);
if (opt_benchmark)
((uint32_t*)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();
}
gpulog(LOG_INFO, thr_id, "Intensity set to %g, %u cuda threads", throughput2intensity(throughput), throughput);
cuda_get_arch(thr_id);
use_compat_kernels[thr_id] = (cuda_arch[dev_id] < 500);
quark_skein512_cpu_init(thr_id, throughput);
x14_shabal512_cpu_init(thr_id, throughput);
x11_echo512_cpu_init(thr_id, throughput);
x11_luffa512_cpu_init(thr_id, throughput);
x13_fugue512_cpu_init(thr_id, throughput);
CUDA_CALL_OR_RET_X(cudaMalloc(&d_hash[thr_id], 16 * sizeof(uint32_t) * throughput), 0);
CUDA_CALL_OR_RET_X(cudaMalloc(&d_resNonce[thr_id], 2 * sizeof(uint32_t)), -1);
init[thr_id] = true;
}
uint32_t _ALIGN(64) h_resNonce[2];
uint32_t _ALIGN(64) endiandata[20];
for (int k=0; k < 20; k++)
be32enc(&endiandata[k], pdata[k]);
cudaMemset(d_resNonce[thr_id], 0xff, 2*sizeof(uint32_t));
skein512_cpu_setBlock_80(endiandata);
if (use_compat_kernels[thr_id]) {
streebog_sm3_set_target(ptarget);
} else {
skunk_streebog_set_target(ptarget);
}
do {
int order = 0;
skein512_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], order++);
x14_shabal512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++);
x11_echo512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++);
x11_luffa512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++);
x13_fugue512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++);
if (use_compat_kernels[thr_id]) {
streebog_sm3_hash_64_final(thr_id, throughput, d_hash[thr_id], d_resNonce[thr_id]);
} else {
skunk_cuda_streebog(thr_id, throughput, d_hash[thr_id], d_resNonce[thr_id]);
}
*hashes_done = pdata[19] - first_nonce + throughput;
cudaMemcpy(h_resNonce, d_resNonce[thr_id], 2 * sizeof(uint32_t), cudaMemcpyDeviceToHost);
CUDA_LOG_ERROR();
if (h_resNonce[0] != UINT32_MAX)
{
const uint32_t Htarg = ptarget[7];
const uint32_t startNounce = pdata[19];
uint32_t _ALIGN(64) vhash[8];
be32enc(&endiandata[19], startNounce + h_resNonce[0]);
polytimos_hash(vhash, endiandata);
if (vhash[7] <= ptarget[7] && fulltest(vhash, ptarget)) {
work->valid_nonces = 1;
work->nonces[0] = startNounce + h_resNonce[0];
work_set_target_ratio(work, vhash);
if (h_resNonce[1] != UINT32_MAX) {
uint32_t secNonce = work->nonces[1] = startNounce + h_resNonce[1];
be32enc(&endiandata[19], secNonce);
polytimos_hash(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]);
cudaMemset(d_resNonce[thr_id], 0xff, 2*sizeof(uint32_t));
pdata[19] = startNounce + h_resNonce[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;
CUDA_LOG_ERROR();
return 0;
}
// cleanup
extern "C" void free_polytimos(int thr_id)
{
if (!init[thr_id])
return;
cudaThreadSynchronize();
cudaFree(d_hash[thr_id]);
x13_fugue512_cpu_free(thr_id);
cudaFree(d_resNonce[thr_id]);
CUDA_LOG_ERROR();
cudaDeviceSynchronize();
init[thr_id] = false;
}