diff --git a/Makefile.am b/Makefile.am
index bb60063..c2fa11d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -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 \
diff --git a/blake32.cu b/blake32.cu
index f5c0f6b..96a78a0 100644
--- a/blake32.cu
+++ b/blake32.cu
@@ -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
}
}
+ 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:
}
#endif
// wait proper end of all threads
- cudaDeviceSynchronize();
+ //cudaDeviceSynchronize();
return rc;
}
diff --git a/ccminer.vcxproj b/ccminer.vcxproj
index 0ab1d60..06ba665 100644
--- a/ccminer.vcxproj
+++ b/ccminer.vcxproj
@@ -405,6 +405,12 @@ copy "$(CudaToolkitBinDir)\cudart64*.dll" "$(OutDir)"
%(AdditionalOptions)
true
+
+ 80
+ --ptxas-options="-O2 -dlcm=cg" %(AdditionalOptions)
+ %(AdditionalOptions)
+ true
+
--ptxas-options=-O2 %(AdditionalOptions)
%(AdditionalOptions)
diff --git a/ccminer.vcxproj.filters b/ccminer.vcxproj.filters
index bc990e0..065e196 100644
--- a/ccminer.vcxproj.filters
+++ b/ccminer.vcxproj.filters
@@ -445,5 +445,8 @@
Source Files\CUDA
+
+ Source Files\CUDA
+
\ No newline at end of file
diff --git a/cpu-miner.c b/cpu-miner.c
index 6cf40d5..85d4d2b 100644
--- a/cpu-miner.c
+++ b/cpu-miner.c
@@ -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[] = {
"mjollnir",
"myr-gr",
"nist5",
+ "penta",
"quark",
"whirl",
"x11",
@@ -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)
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);
diff --git a/miner.h b/miner.h
index d9951e9..e33bfff 100644
--- a/miner.h
+++ b/miner.h
@@ -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 {
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);
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);
diff --git a/pentablake.cu b/pentablake.cu
new file mode 100644
index 0000000..9958e53
--- /dev/null
+++ b/pentablake.cu
@@ -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
+#include
+}
+
+/* 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 <<>> (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 <<>> (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<<>>(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 <<>> (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;
+}
diff --git a/util.c b/util.c
index dfe98ab..04209e0 100644
--- a/util.c
+++ b/util.c
@@ -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);