GOSTcoin support for ccminer CUDA miner project, compatible with most nvidia cards
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//
//
// PHI1612 algo
// Skein + JH + CubeHash + Fugue + Gost + Echo
//
// Implemented by anorganix @ bitcointalk on 01.10.2017
// Feel free to send some satoshis to 1Bitcoin8tfbtGAQNFxDRUVUfFgFWKoWi9
//
//
extern "C" {
#include "sph/sph_skein.h"
#include "sph/sph_jh.h"
#include "sph/sph_cubehash.h"
#include "sph/sph_fugue.h"
#include "sph/sph_streebog.h"
#include "sph/sph_echo.h"
}
#include "miner.h"
#include "cuda_helper.h"
#include "cuda_x11.h"
extern void skein512_cpu_setBlock_80(void *pdata);
extern void skein512_cpu_hash_80(int thr_id, uint32_t threads, uint32_t startNonce, uint32_t *d_hash, int swap);
extern void streebog_cpu_hash_64(int thr_id, uint32_t threads, uint32_t *d_hash);
extern void streebog_hash_64_maxwell(int thr_id, uint32_t threads, uint32_t *d_hash);
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 startNonce, uint32_t *d_nonceVector, uint32_t *d_hash, int order);
extern void x13_fugue512_cpu_free(int thr_id);
extern void tribus_echo512_final(int thr_id, uint32_t threads, uint32_t *d_hash, uint32_t *d_resNonce, const uint64_t target);
#include <stdio.h>
#include <memory.h>
static uint32_t *d_hash[MAX_GPUS];
static uint32_t *d_resNonce[MAX_GPUS];
extern "C" void phihash(void *output, const void *input)
{
unsigned char _ALIGN(128) hash[128] = { 0 };
sph_skein512_context ctx_skein;
sph_jh512_context ctx_jh;
sph_cubehash512_context ctx_cubehash;
sph_fugue512_context ctx_fugue;
sph_gost512_context ctx_gost;
sph_echo512_context ctx_echo;
sph_skein512_init(&ctx_skein);
sph_skein512(&ctx_skein, input, 80);
sph_skein512_close(&ctx_skein, (void*)hash);
sph_jh512_init(&ctx_jh);
sph_jh512(&ctx_jh, (const void*)hash, 64);
sph_jh512_close(&ctx_jh, (void*)hash);
sph_cubehash512_init(&ctx_cubehash);
sph_cubehash512(&ctx_cubehash, (const void*)hash, 64);
sph_cubehash512_close(&ctx_cubehash, (void*)hash);
sph_fugue512_init(&ctx_fugue);
sph_fugue512(&ctx_fugue, (const void*)hash, 64);
sph_fugue512_close(&ctx_fugue, (void*)hash);
sph_gost512_init(&ctx_gost);
sph_gost512(&ctx_gost, (const void*)hash, 64);
sph_gost512_close(&ctx_gost, (void*)hash);
sph_echo512_init(&ctx_echo);
sph_echo512(&ctx_echo, (const void*)hash, 64);
sph_echo512_close(&ctx_echo, (void*)hash);
memcpy(output, hash, 32);
}
#define _DEBUG_PREFIX "phi"
#include "cuda_debug.cuh"
static bool init[MAX_GPUS] = { 0 };
static bool use_compat_kernels[MAX_GPUS] = { 0 };
extern "C" int scanhash_phi(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];
const int dev_id = device_map[thr_id];
int intensity = (device_sm[dev_id] >= 500 && !is_windows()) ? 19 : 18; // 2^18 = 262144 cuda threads
if (device_sm[dev_id] >= 600) intensity = 20;
uint32_t throughput = cuda_default_throughput(thr_id, 1U << intensity);
if (init[thr_id]) throughput = min(throughput, max_nonce - first_nonce);
if (opt_benchmark)
ptarget[7] = 0xf;
if (!init[thr_id])
{
cudaSetDevice(dev_id);
if (opt_cudaschedule == -1 && gpu_threads == 1) {
cudaDeviceReset();
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);
quark_jh512_cpu_init(thr_id, throughput);
x11_cubehash512_cpu_init(thr_id, throughput);
x13_fugue512_cpu_init(thr_id, throughput);
if (use_compat_kernels[thr_id])
x11_echo512_cpu_init(thr_id, throughput);
CUDA_CALL_OR_RET_X(cudaMalloc(&d_hash[thr_id], (size_t)64 * throughput), -1);
CUDA_SAFE_CALL(cudaMalloc(&d_resNonce[thr_id], 2 * sizeof(uint32_t)));
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((void*)endiandata);
if (use_compat_kernels[thr_id])
cuda_check_cpu_setTarget(ptarget);
else
cudaMemset(d_resNonce[thr_id], 0xFF, 2 * sizeof(uint32_t));
do {
int order = 0;
skein512_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], 1); order++;
quark_jh512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++);
x11_cubehash512_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_cpu_hash_64(thr_id, throughput, d_hash[thr_id]);
x11_echo512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++);
work->nonces[0] = cuda_check_hash(thr_id, throughput, pdata[19], d_hash[thr_id]);
} else {
streebog_hash_64_maxwell(thr_id, throughput, d_hash[thr_id]);
tribus_echo512_final(thr_id, throughput, d_hash[thr_id], d_resNonce[thr_id], AS_U64(&ptarget[6]));
cudaMemcpy(&work->nonces[0], d_resNonce[thr_id], 2 * sizeof(uint32_t), cudaMemcpyDeviceToHost);
}
if (work->nonces[0] != UINT32_MAX)
{
const uint32_t Htarg = ptarget[7];
const uint32_t startNonce = pdata[19];
uint32_t _ALIGN(64) vhash[8];
if (!use_compat_kernels[thr_id]) work->nonces[0] += startNonce;
be32enc(&endiandata[19], work->nonces[0]);
phihash(vhash, endiandata);
if (vhash[7] <= Htarg && fulltest(vhash, ptarget)) {
work->valid_nonces = 1;
work_set_target_ratio(work, vhash);
*hashes_done = pdata[19] - first_nonce + throughput;
//work->nonces[1] = cuda_check_hash_suppl(thr_id, throughput, pdata[19], d_hash[thr_id], 1);
//if (work->nonces[1] != 0) {
if (work->nonces[1] != UINT32_MAX) {
work->nonces[1] += startNonce;
be32enc(&endiandata[19], work->nonces[1]);
phihash(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] = work->nonces[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;
return 0;
}
// cleanup
extern "C" void free_phi(int thr_id)
{
if (!init[thr_id])
return;
cudaThreadSynchronize();
cudaFree(d_hash[thr_id]);
cudaFree(d_resNonce[thr_id]);
x13_fugue512_cpu_free(thr_id);
cuda_check_cpu_free(thr_id);
init[thr_id] = false;
cudaDeviceSynchronize();
}