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Add pentablake algo (-a penta)

Signed-off-by: Tanguy Pruvot <tanguy.pruvot@gmail.com>
master
Tanguy Pruvot 10 years ago
parent
commit
402e416853
  1. 2
      Makefile.am
  2. 10
      blake32.cu
  3. 6
      ccminer.vcxproj
  4. 3
      ccminer.vcxproj.filters
  5. 10
      cpu-miner.c
  6. 6
      miner.h
  7. 600
      pentablake.cu
  8. 4
      util.c

2
Makefile.am

@ -33,7 +33,7 @@ ccminer_SOURCES = elist.h miner.h compat.h \ @@ -33,7 +33,7 @@ ccminer_SOURCES = elist.h miner.h compat.h \
quark/cuda_jh512.cu quark/cuda_quark_blake512.cu quark/cuda_quark_groestl512.cu quark/cuda_skein512.cu \
quark/cuda_bmw512.cu quark/cuda_quark_keccak512.cu quark/quarkcoin.cu quark/animecoin.cu \
quark/cuda_quark_compactionTest.cu \
cuda_nist5.cu blake32.cu \
cuda_nist5.cu blake32.cu pentablake.cu \
sph/bmw.c sph/blake.c sph/groestl.c sph/jh.c sph/keccak.c sph/skein.c \
sph/cubehash.c sph/echo.c sph/luffa.c sph/sha2.c sph/shavite.c sph/simd.c \
sph/hamsi.c sph/hamsi_helper.c sph/sph_hamsi.h \

10
blake32.cu

@ -362,6 +362,7 @@ extern "C" int scanhash_blake256(int thr_id, uint32_t *pdata, const uint32_t *pt @@ -362,6 +362,7 @@ extern "C" int scanhash_blake256(int thr_id, uint32_t *pdata, const uint32_t *pt
blake256hash(vhashcpu, endiandata, blakerounds);
if (vhashcpu[7] <= Htarg && fulltest(vhashcpu, ptarget)) {
applog(LOG_NOTICE, "GPU found more than one result yippee!");
rc = 2;
} else {
extra_results[0] = MAXU;
}
@ -380,9 +381,14 @@ extern "C" int scanhash_blake256(int thr_id, uint32_t *pdata, const uint32_t *pt @@ -380,9 +381,14 @@ extern "C" int scanhash_blake256(int thr_id, uint32_t *pdata, const uint32_t *pt
}
}
if ((uint64_t) pdata[19] + throughput > (uint64_t) max_nonce) {
pdata[19] = max_nonce - first_nonce + 1;
break;
}
pdata[19] += throughput;
} while (pdata[19] < max_nonce && !work_restart[thr_id].restart);
} while (!work_restart[thr_id].restart);
exit_scan:
*hashes_done = pdata[19] - first_nonce + 1;
@ -395,6 +401,6 @@ exit_scan: @@ -395,6 +401,6 @@ exit_scan:
}
#endif
// wait proper end of all threads
cudaDeviceSynchronize();
//cudaDeviceSynchronize();
return rc;
}

6
ccminer.vcxproj

@ -405,6 +405,12 @@ copy "$(CudaToolkitBinDir)\cudart64*.dll" "$(OutDir)"</Command> @@ -405,6 +405,12 @@ copy "$(CudaToolkitBinDir)\cudart64*.dll" "$(OutDir)"</Command>
<AdditionalOptions Condition="'$(Configuration)'=='Debug'">%(AdditionalOptions)</AdditionalOptions>
<FastMath>true</FastMath>
</CudaCompile>
<CudaCompile Include="pentablake.cu">
<MaxRegCount>80</MaxRegCount>
<AdditionalOptions Condition="'$(Configuration)'=='Release'">--ptxas-options="-O2 -dlcm=cg" %(AdditionalOptions)</AdditionalOptions>
<AdditionalOptions Condition="'$(Configuration)'=='Debug'">%(AdditionalOptions)</AdditionalOptions>
<FastMath>true</FastMath>
</CudaCompile>
<CudaCompile Include="quark\animecoin.cu">
<AdditionalOptions Condition="'$(Configuration)'=='Release'">--ptxas-options=-O2 %(AdditionalOptions)</AdditionalOptions>
<AdditionalOptions Condition="'$(Configuration)'=='Debug'">%(AdditionalOptions)</AdditionalOptions>

3
ccminer.vcxproj.filters

@ -445,5 +445,8 @@ @@ -445,5 +445,8 @@
<CudaCompile Include="blake32.cu">
<Filter>Source Files\CUDA</Filter>
</CudaCompile>
<CudaCompile Include="pentablake.cu">
<Filter>Source Files\CUDA</Filter>
</CudaCompile>
</ItemGroup>
</Project>

10
cpu-miner.c

@ -136,8 +136,9 @@ typedef enum { @@ -136,8 +136,9 @@ typedef enum {
ALGO_JACKPOT,
ALGO_MJOLLNIR, /* Mjollnir hash */
ALGO_MYR_GR,
ALGO_QUARK,
ALGO_NIST5,
ALGO_PENTABLAKE,
ALGO_QUARK,
ALGO_WHC,
ALGO_X11,
ALGO_X13,
@ -159,6 +160,7 @@ static const char *algo_names[] = { @@ -159,6 +160,7 @@ static const char *algo_names[] = {
"mjollnir",
"myr-gr",
"nist5",
"penta",
"quark",
"whirl",
"x11",
@ -242,6 +244,7 @@ Options:\n\ @@ -242,6 +244,7 @@ Options:\n\
mjollnir Mjollnircoin hash\n\
myr-gr Myriad-Groestl hash\n\
nist5 NIST5 (TalkCoin) hash\n\
penta Pentablake hash (5x Blake 512)\n\
quark Quark hash\n\
whirl Whirlcoin (old whirlpool)\n\
x11 X11 (DarkCoin) hash\n\
@ -1089,6 +1092,11 @@ static void *miner_thread(void *userdata) @@ -1089,6 +1092,11 @@ static void *miner_thread(void *userdata)
max_nonce, &hashes_done);
break;
case ALGO_PENTABLAKE:
rc = scanhash_pentablake(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_WHC:
rc = scanhash_whc(thr_id, work.data, work.target,
max_nonce, &hashes_done);

6
miner.h

@ -249,6 +249,10 @@ extern int scanhash_nist5(int thr_id, uint32_t *pdata, @@ -249,6 +249,10 @@ extern int scanhash_nist5(int thr_id, uint32_t *pdata,
const uint32_t *ptarget, uint32_t max_nonce,
unsigned long *hashes_done);
extern int scanhash_pentablake(int thr_id, uint32_t *pdata,
const uint32_t *ptarget, uint32_t max_nonce,
unsigned long *hashes_done);
extern int scanhash_whc(int thr_id, uint32_t *pdata,
const uint32_t *ptarget, uint32_t max_nonce,
unsigned long *hashes_done);
@ -284,6 +288,7 @@ struct work_restart { @@ -284,6 +288,7 @@ struct work_restart {
char padding[128 - sizeof(unsigned long)];
};
extern bool opt_benchmark;
extern bool opt_debug;
extern bool opt_debug_rpc;
extern bool opt_quiet;
@ -428,6 +433,7 @@ unsigned int jackpothash(void *state, const void *input); @@ -428,6 +433,7 @@ unsigned int jackpothash(void *state, const void *input);
void groestlhash(void *state, const void *input);
void myriadhash(void *state, const void *input);
void nist5hash(void *state, const void *input);
void pentablakehash(void *output, const void *input);
void quarkhash(void *state, const void *input);
void wcoinhash(void *state, const void *input);
void x11hash(void *output, const void *input);

600
pentablake.cu

@ -0,0 +1,600 @@ @@ -0,0 +1,600 @@
/**
* Penta Blake-512 Cuda Kernel (Tested on SM 5.0)
*
* Tanguy Pruvot - Aug. 2014
*/
#include "miner.h"
extern "C" {
#include "sph/sph_blake.h"
#include <stdint.h>
#include <memory.h>
}
/* threads per block */
#define TPB 192
/* hash by cpu with blake 256 */
extern "C" void pentablakehash(void *output, const void *input)
{
unsigned char hash[128];
#define hashB hash + 64
sph_blake512_context ctx;
sph_blake512_init(&ctx);
sph_blake512(&ctx, input, 80);
sph_blake512_close(&ctx, hash);
sph_blake512(&ctx, hash, 64);
sph_blake512_close(&ctx, hashB);
sph_blake512(&ctx, hashB, 64);
sph_blake512_close(&ctx, hash);
sph_blake512(&ctx, hash, 64);
sph_blake512_close(&ctx, hashB);
sph_blake512(&ctx, hashB, 64);
sph_blake512_close(&ctx, hash);
memcpy(output, hash, 32);
}
#include "cuda_helper.h"
#define MAXU 0xffffffffU
// in cpu-miner.c
extern bool opt_n_threads;
extern bool opt_benchmark;
extern int device_map[8];
__constant__
static uint32_t __align__(32) c_Target[8];
__constant__
static uint64_t __align__(32) c_data[32];
static uint32_t *d_hash[8];
static uint32_t *d_resNounce[8];
static uint32_t *h_resNounce[8];
static uint32_t extra_results[2] = { MAXU, MAXU };
/* prefer uint32_t to prevent size conversions = speed +5/10 % */
__constant__
static uint32_t __align__(32) c_sigma[16][16];
const uint32_t host_sigma[16][16] = {
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
{14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 },
{11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 },
{ 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 },
{ 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 },
{ 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 },
{12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 },
{13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 },
{ 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 },
{10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0 },
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
{14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 },
{11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 },
{ 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 },
{ 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 },
{ 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 }
};
__device__ __constant__
static const uint64_t __align__(32) c_IV512[8] = {
0x6a09e667f3bcc908ULL,
0xbb67ae8584caa73bULL,
0x3c6ef372fe94f82bULL,
0xa54ff53a5f1d36f1ULL,
0x510e527fade682d1ULL,
0x9b05688c2b3e6c1fULL,
0x1f83d9abfb41bd6bULL,
0x5be0cd19137e2179ULL
};
__device__ __constant__
const uint64_t c_u512[16] =
{
0x243f6a8885a308d3ULL, 0x13198a2e03707344ULL,
0xa4093822299f31d0ULL, 0x082efa98ec4e6c89ULL,
0x452821e638d01377ULL, 0xbe5466cf34e90c6cULL,
0xc0ac29b7c97c50ddULL, 0x3f84d5b5b5470917ULL,
0x9216d5d98979fb1bULL, 0xd1310ba698dfb5acULL,
0x2ffd72dbd01adfb7ULL, 0xb8e1afed6a267e96ULL,
0xba7c9045f12c7f99ULL, 0x24a19947b3916cf7ULL,
0x0801f2e2858efc16ULL, 0x636920d871574e69ULL
};
#define G(a,b,c,d,x) { \
uint32_t idx1 = c_sigma[i][x]; \
uint32_t idx2 = c_sigma[i][x+1]; \
v[a] += (m[idx1] ^ c_u512[idx2]) + v[b]; \
v[d] = ROTR64(v[d] ^ v[a], 32); \
v[c] += v[d]; \
v[b] = ROTR64(v[b] ^ v[c], 25); \
v[a] += (m[idx2] ^ c_u512[idx1]) + v[b]; \
v[d] = ROTR64(v[d] ^ v[a], 16); \
v[c] += v[d]; \
v[b] = ROTR64(v[b] ^ v[c], 11); \
}
// Hash-Padding
__device__ __constant__
static const uint64_t d_constHashPadding[8] = {
0x0000000000000080ull,
0,
0,
0,
0,
0x0100000000000000ull,
0,
0x0002000000000000ull
};
#if 0
__device__ __constant__
static const uint64_t __align__(32) c_Padding[16] = {
0, 0, 0, 0,
0x80000000ULL, 0, 0, 0,
0, 0, 0, 0,
0, 1, 0, 640,
};
__device__ static
void pentablake_compress(uint64_t *h, const uint64_t *block, const uint32_t T0)
{
uint64_t v[16], m[16];
m[0] = block[0];
m[1] = block[1];
m[2] = block[2];
m[3] = block[3];
for (uint32_t i = 4; i < 16; i++) {
m[i] = (T0 == 0x200) ? block[i] : c_Padding[i];
}
//#pragma unroll 8
for(uint32_t i = 0; i < 8; i++)
v[i] = h[i];
v[ 8] = c_u512[0];
v[ 9] = c_u512[1];
v[10] = c_u512[2];
v[11] = c_u512[3];
v[12] = xor1(c_u512[4], T0);
v[13] = xor1(c_u512[5], T0);
v[14] = c_u512[6];
v[15] = c_u512[7];
for (uint32_t i = 0; i < 16; i++) {
/* column step */
G(0, 4, 0x8, 0xC, 0x0);
G(1, 5, 0x9, 0xD, 0x2);
G(2, 6, 0xA, 0xE, 0x4);
G(3, 7, 0xB, 0xF, 0x6);
/* diagonal step */
G(0, 5, 0xA, 0xF, 0x8);
G(1, 6, 0xB, 0xC, 0xA);
G(2, 7, 0x8, 0xD, 0xC);
G(3, 4, 0x9, 0xE, 0xE);
}
//#pragma unroll 16
for (uint32_t i = 0; i < 16; i++) {
uint32_t j = i % 8;
h[j] ^= v[i];
}
}
__global__
void pentablake_gpu_hash_80(uint32_t threads, uint32_t startNounce, uint32_t *resNounce)
{
uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x);
if (thread < threads)
{
const uint32_t nounce = startNounce + thread;
uint64_t h[8];
#pragma unroll
for(int i=0; i<8; i++) {
h[i] = c_IV512[i];
}
uint64_t ending[4];
ending[0] = c_data[16];
ending[1] = c_data[17];
ending[2] = c_data[18];
ending[3] = nounce; /* our tested value */
pentablake_compress(h, ending, 640);
// -----------------------------------
for (int r = 0; r < 4; r++) {
uint64_t data[8];
for (int i = 0; i < 7; i++) {
data[i] = h[i];
}
pentablake_compress(h, data, 512); /* todo: use h,h when ok*/
}
}
}
#endif
__device__ static
void pentablake_compress(uint64_t *h, const uint64_t *block, const uint64_t T0)
{
uint64_t v[16], m[16], i;
#pragma unroll 16
for(i = 0; i < 16; i++) {
m[i] = cuda_swab64(block[i]);
}
#pragma unroll 8
for (i = 0; i < 8; i++)
v[i] = h[i];
v[ 8] = c_u512[0];
v[ 9] = c_u512[1];
v[10] = c_u512[2];
v[11] = c_u512[3];
v[12] = c_u512[4] ^ T0;
v[13] = c_u512[5] ^ T0;
v[14] = c_u512[6];
v[15] = c_u512[7];
//#pragma unroll 16
for( i = 0; i < 16; i++)
{
/* column step */
G(0, 4, 0x8, 0xC, 0x0);
G(1, 5, 0x9, 0xD, 0x2);
G(2, 6, 0xA, 0xE, 0x4);
G(3, 7, 0xB, 0xF, 0x6);
/* diagonal step */
G(0, 5, 0xA, 0xF, 0x8);
G(1, 6, 0xB, 0xC, 0xA);
G(2, 7, 0x8, 0xD, 0xC);
G(3, 4, 0x9, 0xE, 0xE);
}
//#pragma unroll 16
for (i = 0; i < 16; i++) {
uint32_t idx = i % 8;
h[idx] ^= v[i];
}
}
__global__
void pentablake_gpu_hash_80(int threads, const uint32_t startNounce, void *outputHash)
{
int thread = (blockDim.x * blockIdx.x + threadIdx.x);
if (thread < threads)
{
uint64_t h[8];
uint64_t buf[16];
uint32_t nounce = startNounce + thread;
//#pragma unroll 8
for(int i=0; i<8; i++)
h[i] = c_IV512[i];
//#pragma unroll 16
for (int i=0; i < 16; i++)
buf[i] = c_data[i];
// The test Nonce
((uint32_t*)buf)[19] = cuda_swab32(nounce);
pentablake_compress(h, buf, 640ULL);
#if __CUDA_ARCH__ < 300
uint32_t *outHash = (uint32_t *)outputHash + 16 * thread;
#pragma unroll 8
for (uint32_t i=0; i < 8; i++) {
outHash[2*i] = cuda_swab32( _HIWORD(h[i]) );
outHash[2*i+1] = cuda_swab32( _LOWORD(h[i]) );
}
#else
uint64_t *outHash = (uint64_t *)outputHash + 8 * thread;
for (uint32_t i=0; i < 8; i++) {
outHash[i] = cuda_swab64( h[i] );
}
#endif
}
}
__host__
void pentablake_cpu_hash_80(int thr_id, int threads, const uint32_t startNounce, uint32_t *d_outputHash, int order)
{
const int threadsperblock = TPB;
dim3 grid((threads + threadsperblock-1)/threadsperblock);
dim3 block(threadsperblock);
size_t shared_size = 0;
pentablake_gpu_hash_80 <<<grid, block, shared_size>>> (threads, startNounce, d_outputHash);
//MyStreamSynchronize(NULL, order, thr_id);
cudaDeviceSynchronize();
}
__global__
void pentablake_gpu_hash_64(int threads, uint32_t startNounce, uint64_t *g_hash)
{
int thread = (blockDim.x * blockIdx.x + threadIdx.x);
if (thread < threads)
{
uint64_t *inpHash = &g_hash[thread<<3]; // hashPosition * 8
uint64_t buf[16]; // 128 Bytes
uint64_t h[8]; // State
#pragma unroll 8
for (int i=0; i<8; i++)
h[i] = c_IV512[i];
// Message for first round
#pragma unroll 8
for (int i=0; i < 8; ++i)
buf[i] = inpHash[i];
#pragma unroll 8
for (int i=0; i < 8; i++)
buf[i+8] = d_constHashPadding[i];
// Ending round
pentablake_compress(h, buf, 512);
#if __CUDA_ARCH__ < 300
uint32_t *outHash = (uint32_t*)&g_hash[thread<<3];
#pragma unroll 8
for (int i=0; i < 8; i++) {
outHash[2*i+0] = cuda_swab32( _HIWORD(h[i]) );
outHash[2*i+1] = cuda_swab32( _LOWORD(h[i]) );
}
#else
uint64_t *outHash = &g_hash[thread<<3];
for (int i=0; i < 8; i++) {
outHash[i] = cuda_swab64(h[i]);
}
#endif
}
}
__host__
void pentablake_cpu_hash_64(int thr_id, int threads, uint32_t startNounce, uint32_t *d_outputHash, int order)
{
const int threadsperblock = TPB;
dim3 grid((threads + threadsperblock-1)/threadsperblock);
dim3 block(threadsperblock);
size_t shared_size = 0;
pentablake_gpu_hash_64 <<<grid, block, shared_size>>> (threads, startNounce, (uint64_t*)d_outputHash);
//MyStreamSynchronize(NULL, order, thr_id);
cudaDeviceSynchronize();
}
#if 0
__host__
uint32_t pentablake_cpu_hash_80(int thr_id, uint32_t threads, uint32_t startNounce)
{
const int threadsperblock = TPB;
uint32_t result = MAXU;
dim3 grid((threads + threadsperblock-1)/threadsperblock);
dim3 block(threadsperblock);
size_t shared_size = 0;
/* Check error on Ctrl+C or kill to prevent segfaults on exit */
if (cudaMemset(d_resNounce[thr_id], 0xff, 2*sizeof(uint32_t)) != cudaSuccess)
return result;
pentablake_gpu_hash_80<<<grid, block, shared_size>>>(threads, startNounce, d_resNounce[thr_id]);
cudaDeviceSynchronize();
if (cudaSuccess == cudaMemcpy(h_resNounce[thr_id], d_resNounce[thr_id], 2*sizeof(uint32_t), cudaMemcpyDeviceToHost)) {
cudaThreadSynchronize();
result = h_resNounce[thr_id][0];
extra_results[0] = h_resNounce[thr_id][1];
}
return result;
}
#endif
__global__
void pentablake_gpu_check_hash(uint32_t threads, uint32_t startNounce, uint32_t *g_hash, uint32_t *resNounce)
{
uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x);
if (thread < threads)
{
uint32_t nounce = startNounce + thread;
uint32_t *inpHash = &g_hash[thread<<4];
uint32_t h[8];
#pragma unroll 8
for (int i=0; i < 8; i++)
h[i] = inpHash[i];
for (int i = 7; i >= 0; i--) {
uint32_t hash = h[i]; // cuda_swab32(h[i]);
if (hash > c_Target[i]) {
return;
}
if (hash < c_Target[i]) {
break;
}
}
/* keep the smallest nounce, + extra one if found */
if (resNounce[0] > nounce) {
resNounce[1] = resNounce[0];
resNounce[0] = nounce;
}
else
resNounce[1] = nounce;
}
}
__host__ static
uint32_t pentablake_check_hash(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_inputHash, int order)
{
const int threadsperblock = TPB;
uint32_t result = MAXU;
dim3 grid((threads + threadsperblock-1)/threadsperblock);
dim3 block(threadsperblock);
size_t shared_size = 0;
/* Check error on Ctrl+C or kill to prevent segfaults on exit */
if (cudaMemset(d_resNounce[thr_id], 0xff, 2*sizeof(uint32_t)) != cudaSuccess)
return result;
pentablake_gpu_check_hash <<<grid, block, shared_size>>> (threads, startNounce, d_inputHash, d_resNounce[thr_id]);
CUDA_SAFE_CALL(cudaDeviceSynchronize());
if (cudaSuccess == cudaMemcpy(h_resNounce[thr_id], d_resNounce[thr_id], 2*sizeof(uint32_t), cudaMemcpyDeviceToHost)) {
cudaThreadSynchronize();
result = h_resNounce[thr_id][0];
extra_results[0] = h_resNounce[thr_id][1];
}
return result;
}
__host__
void pentablake_cpu_setBlock_80(uint32_t *pdata, const uint32_t *ptarget)
{
uint8_t data[128];
memcpy((void*) data, (void*) pdata, 80);
memset(data+80, 0, 48);
// to swab...
data[80] = 0x80;
data[111] = 1;
data[126] = 0x02;
data[127] = 0x80;
CUDA_SAFE_CALL(cudaMemcpyToSymbol(c_data, data, sizeof(data), 0, cudaMemcpyHostToDevice));
CUDA_SAFE_CALL(cudaMemcpyToSymbol(c_sigma, host_sigma, sizeof(host_sigma), 0, cudaMemcpyHostToDevice));
CUDA_SAFE_CALL(cudaMemcpyToSymbol(c_Target, ptarget, 32, 0, cudaMemcpyHostToDevice));
}
extern "C" int scanhash_pentablake(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];
static bool init[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
uint32_t throughput = min(128 * 2560, max_nonce - first_nonce);
uint32_t endiandata[20];
int rc = 0;
if (extra_results[0] != MAXU) {
// possible extra result found in previous call
if (first_nonce <= extra_results[0] && max_nonce >= extra_results[0]) {
pdata[19] = extra_results[0];
*hashes_done = pdata[19] - first_nonce + 1;
extra_results[0] = MAXU;
rc = 1;
goto exit_scan;
}
}
if (opt_benchmark)
((uint32_t*)ptarget)[7] = 0x000F;
if (!init[thr_id]) {
if (opt_n_threads > 1) {
CUDA_SAFE_CALL(cudaSetDevice(device_map[thr_id]));
}
CUDA_SAFE_CALL(cudaMalloc(&d_hash[thr_id], 64 * throughput));
CUDA_SAFE_CALL(cudaMallocHost(&h_resNounce[thr_id], 2*sizeof(uint32_t)));
CUDA_SAFE_CALL(cudaMalloc(&d_resNounce[thr_id], 2*sizeof(uint32_t)));
init[thr_id] = true;
}
for (int k=0; k < 20; k++)
be32enc(&endiandata[k], pdata[k]);
pentablake_cpu_setBlock_80(endiandata, ptarget);
do {
int order = 0;
// GPU HASH
pentablake_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], order++);
pentablake_cpu_hash_64(thr_id, throughput, pdata[19], d_hash[thr_id], order++);
pentablake_cpu_hash_64(thr_id, throughput, pdata[19], d_hash[thr_id], order++);
pentablake_cpu_hash_64(thr_id, throughput, pdata[19], d_hash[thr_id], order++);
pentablake_cpu_hash_64(thr_id, throughput, pdata[19], d_hash[thr_id], order++);
uint32_t foundNonce = pentablake_check_hash(thr_id, throughput, pdata[19], d_hash[thr_id], order++);
if (foundNonce != MAXU)
{
uint32_t vhashcpu[8];
uint32_t Htarg = ptarget[7];
be32enc(&endiandata[19], foundNonce);
pentablakehash(vhashcpu, endiandata);
if (vhashcpu[7] <= Htarg && fulltest(vhashcpu, ptarget))
{
pdata[19] = foundNonce;
rc = 1;
// Rare but possible if the throughput is big
be32enc(&endiandata[19], extra_results[0]);
pentablakehash(vhashcpu, endiandata);
if (vhashcpu[7] <= Htarg && fulltest(vhashcpu, ptarget)) {
applog(LOG_NOTICE, "GPU found more than one result yippee!");
rc = 2;
} else {
extra_results[0] = MAXU;
}
goto exit_scan;
}
else if (vhashcpu[7] > Htarg) {
applog(LOG_WARNING, "GPU #%d: result for nounce %08x is not in range: %x > %x", thr_id, foundNonce, vhashcpu[7], Htarg);
}
else if (vhashcpu[6] > ptarget[6]) {
applog(LOG_WARNING, "GPU #%d: hash[6] for nounce %08x is not in range: %x > %x", thr_id, foundNonce, vhashcpu[6], ptarget[6]);
}
else {
applog(LOG_WARNING, "GPU #%d: result for nounce %08x does not validate on CPU!", thr_id, foundNonce);
}
}
pdata[19] += throughput;
} while (pdata[19] < max_nonce && !work_restart[thr_id].restart);
exit_scan:
*hashes_done = pdata[19] - first_nonce + 1;
#if 0
/* reset the device to allow multiple instances
* could be made in cpu-miner... check later if required */
if (opt_n_threads == 1) {
CUDA_SAFE_CALL(cudaDeviceReset());
init[thr_id] = false;
}
#endif
cudaDeviceSynchronize();
return rc;
}

4
util.c

@ -1457,6 +1457,10 @@ void print_hash_tests(void) @@ -1457,6 +1457,10 @@ void print_hash_tests(void)
nist5hash(&hash[0], &buf[0]);
printpfx("nist5", hash);
memset(hash, 0, sizeof hash);
pentablakehash(&hash[0], &buf[0]);
printpfx("pentablake", hash);
memset(hash, 0, sizeof hash);
quarkhash(&hash[0], &buf[0]);
printpfx("quark", hash);

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