GOSTcoin support for ccminer CUDA miner project, compatible with most nvidia cards
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//
// PHI2 algo
// CubeHash + Lyra2 x2 + JH + Gost or Echo + Skein
//
// Implemented by tpruvot in May 2018
//
extern "C" {
#include "sph/sph_skein.h"
#include "sph/sph_jh.h"
#include "sph/sph_cubehash.h"
#include "sph/sph_streebog.h"
#include "sph/sph_echo.h"
#include "lyra2/Lyra2.h"
}
#include "miner.h"
#include "cuda_helper.h"
#include "x11/cuda_x11.h"
#include <stdio.h>
#include <memory.h>
extern void cubehash512_setBlock_80(int thr_id, uint32_t* endiandata);
extern void cubehash512_cuda_hash_80(const int thr_id, const uint32_t threads, const uint32_t startNounce, uint32_t *d_hash);
extern void lyra2_cpu_init(int thr_id, uint32_t threads, uint64_t *d_matrix);
extern void lyra2_cuda_hash_64(int thr_id, const uint32_t threads, uint64_t* d_hash_256, uint32_t* d_hash_512, bool gtx750ti);
extern void streebog_cpu_hash_64(int thr_id, uint32_t threads, uint32_t *d_hash);
extern void phi_streebog_hash_64_filtered(int thr_id, const uint32_t threads, uint32_t *g_hash, uint32_t *d_filter);
extern void phi_echo512_cpu_hash_64_filtered(int thr_id, const uint32_t threads, uint32_t* g_hash, uint32_t* d_filter);
extern uint32_t phi_filter_cuda(const int thr_id, const uint32_t threads, const uint32_t *inpHashes, uint32_t* d_br2, uint32_t* d_nonces);
extern void phi_merge_cuda(const int thr_id, const uint32_t threads, uint32_t *outpHashes, uint32_t* d_br2, uint32_t* d_nonces);
extern void phi_final_compress_cuda(const int thr_id, const uint32_t threads, uint32_t *d_hashes);
static uint64_t* d_matrix[MAX_GPUS];
static uint32_t* d_hash_512[MAX_GPUS];
static uint64_t* d_hash_256[MAX_GPUS];
static uint32_t* d_hash_br2[MAX_GPUS];
static uint32_t* d_nonce_br[MAX_GPUS];
extern "C" void phi2_hash(void *output, const void *input)
{
unsigned char _ALIGN(128) hash[128] = { 0 };
unsigned char _ALIGN(128) hashA[64] = { 0 };
unsigned char _ALIGN(128) hashB[64] = { 0 };
sph_cubehash512_context ctx_cubehash;
sph_jh512_context ctx_jh;
sph_gost512_context ctx_gost;
sph_echo512_context ctx_echo;
sph_skein512_context ctx_skein;
sph_cubehash512_init(&ctx_cubehash);
sph_cubehash512(&ctx_cubehash, input, 80);
sph_cubehash512_close(&ctx_cubehash, (void*)hashB);
LYRA2(&hashA[ 0], 32, &hashB[ 0], 32, &hashB[ 0], 32, 1, 8, 8);
LYRA2(&hashA[32], 32, &hashB[32], 32, &hashB[32], 32, 1, 8, 8);
sph_jh512_init(&ctx_jh);
sph_jh512(&ctx_jh, (const void*)hashA, 64);
sph_jh512_close(&ctx_jh, (void*)hash);
if (hash[0] & 1) {
sph_gost512_init(&ctx_gost);
sph_gost512(&ctx_gost, (const void*)hash, 64);
sph_gost512_close(&ctx_gost, (void*)hash);
} else {
sph_echo512_init(&ctx_echo);
sph_echo512(&ctx_echo, (const void*)hash, 64);
sph_echo512_close(&ctx_echo, (void*)hash);
sph_echo512_init(&ctx_echo);
sph_echo512(&ctx_echo, (const void*)hash, 64);
sph_echo512_close(&ctx_echo, (void*)hash);
}
sph_skein512_init(&ctx_skein);
sph_skein512(&ctx_skein, (const void*)hash, 64);
sph_skein512_close(&ctx_skein, (void*)hash);
for (int i=0; i<32; i++)
hash[i] ^= hash[i+32];
memcpy(output, hash, 32);
}
//#define _DEBUG
#define _DEBUG_PREFIX "phi-"
#include "cuda_debug.cuh"
static bool init[MAX_GPUS] = { 0 };
static bool use_compat_kernels[MAX_GPUS] = { 0 };
static __thread bool gtx750ti = false;
extern "C" int scanhash_phi2(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()) ? 17 : 16;
if (device_sm[dev_id] == 500) intensity = 15;
if (device_sm[dev_id] == 600) intensity = 17;
uint32_t throughput = cuda_default_throughput(thr_id, 1U << intensity);
if (init[thr_id]) throughput = min(throughput, max_nonce - first_nonce);
if (init[thr_id]) throughput = max(throughput & 0xffffff80, 128); // for shared mem
if (opt_benchmark)
ptarget[7] = 0xff;
if (!init[thr_id])
{
cudaSetDevice(dev_id);
if (opt_cudaschedule == -1 && gpu_threads == 1) {
cudaDeviceReset();
cudaSetDeviceFlags(cudaDeviceScheduleBlockingSync);
}
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);
gtx750ti = (strstr(device_name[dev_id], "GTX 750 Ti") != NULL);
size_t matrix_sz = device_sm[dev_id] > 500 ? sizeof(uint64_t) * 16 : sizeof(uint64_t) * 8 * 8 * 3 * 4;
CUDA_CALL_OR_RET_X(cudaMalloc(&d_matrix[thr_id], matrix_sz * throughput), -1);
CUDA_CALL_OR_RET_X(cudaMalloc(&d_hash_256[thr_id], (size_t)32 * throughput), -1);
CUDA_CALL_OR_RET_X(cudaMalloc(&d_hash_512[thr_id], (size_t)64 * throughput), -1);
CUDA_CALL_OR_RET_X(cudaMalloc(&d_nonce_br[thr_id], sizeof(uint32_t) * throughput), -1);
if (use_compat_kernels[thr_id]) {
CUDA_CALL_OR_RET_X(cudaMalloc(&d_hash_br2[thr_id], (size_t)64 * throughput), -1);
}
x11_cubehash512_cpu_init(thr_id, throughput);
lyra2_cpu_init(thr_id, throughput, d_matrix[thr_id]);
quark_jh512_cpu_init(thr_id, throughput);
quark_skein512_cpu_init(thr_id, throughput);
if (use_compat_kernels[thr_id]) x11_echo512_cpu_init(thr_id, throughput);
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]);
cuda_check_cpu_setTarget(ptarget);
cubehash512_setBlock_80(thr_id, endiandata);
do {
int order = 0;
cubehash512_cuda_hash_80(thr_id, throughput, pdata[19], d_hash_512[thr_id]); order++;
TRACE("cube ");
lyra2_cuda_hash_64(thr_id, throughput, d_hash_256[thr_id], d_hash_512[thr_id], gtx750ti);
order++;
TRACE("lyra ");
quark_jh512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash_512[thr_id], order++);
TRACE("jh ");
order++;
if (!use_compat_kernels[thr_id]) {
phi_filter_cuda(thr_id, throughput, d_hash_512[thr_id], NULL, d_nonce_br[thr_id]);
phi_streebog_hash_64_filtered(thr_id, throughput, d_hash_512[thr_id], d_nonce_br[thr_id]);
phi_echo512_cpu_hash_64_filtered(thr_id, throughput, d_hash_512[thr_id], d_nonce_br[thr_id]);
phi_echo512_cpu_hash_64_filtered(thr_id, throughput, d_hash_512[thr_id], d_nonce_br[thr_id]);
} else {
// todo: nonces vector to reduce amount of hashes to compute
phi_filter_cuda(thr_id, throughput, d_hash_512[thr_id], d_hash_br2[thr_id], d_nonce_br[thr_id]);
streebog_cpu_hash_64(thr_id, throughput, d_hash_512[thr_id]);
x11_echo512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash_br2[thr_id], order);
x11_echo512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash_br2[thr_id], order);
phi_merge_cuda(thr_id, throughput, d_hash_512[thr_id], d_hash_br2[thr_id], d_nonce_br[thr_id]);
}
TRACE("mix ");
quark_skein512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash_512[thr_id], order++);
TRACE("skein ");
phi_final_compress_cuda(thr_id, throughput, d_hash_512[thr_id]);
TRACE("xor ");
work->nonces[0] = cuda_check_hash(thr_id, throughput, pdata[19], d_hash_512[thr_id]);
if (work->nonces[0] != UINT32_MAX)
{
const uint32_t Htarg = ptarget[7];
uint32_t _ALIGN(64) vhash[8];
be32enc(&endiandata[19], work->nonces[0]);
phi2_hash(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_512[thr_id], 1);
if (work->nonces[1] != 0) {
be32enc(&endiandata[19], work->nonces[1]);
phi2_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
}
if (pdata[19] > max_nonce) pdata[19] = max_nonce;
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! thr=%x", work->nonces[0], throughput);
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_phi2(int thr_id)
{
if (!init[thr_id])
return;
cudaThreadSynchronize();
cudaFree(d_matrix[thr_id]);
cudaFree(d_hash_512[thr_id]);
cudaFree(d_hash_256[thr_id]);
cudaFree(d_nonce_br[thr_id]);
if (use_compat_kernels[thr_id]) cudaFree(d_hash_br2[thr_id]);
cuda_check_cpu_free(thr_id);
init[thr_id] = false;
cudaDeviceSynchronize();
}