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skein: compute midstate first

"Real" optimization based on KlausT precalc
master
Tanguy Pruvot 10 years ago
parent
commit
275a028935
  1. 2
      configure.ac
  2. 6
      cpuminer-config.h
  3. 175
      quark/cuda_skein512.cu

2
configure.ac

@ -1,4 +1,4 @@
AC_INIT([ccminer], [1.6.1]) AC_INIT([ccminer], [1.6.2-git])
AC_PREREQ([2.59c]) AC_PREREQ([2.59c])
AC_CANONICAL_SYSTEM AC_CANONICAL_SYSTEM

6
cpuminer-config.h

@ -159,7 +159,7 @@
#define PACKAGE_NAME "ccminer" #define PACKAGE_NAME "ccminer"
/* Define to the full name and version of this package. */ /* Define to the full name and version of this package. */
#define PACKAGE_STRING "ccminer 1.6.1" #define PACKAGE_STRING "ccminer 1.6.2-git"
/* Define to the one symbol short name of this package. */ /* Define to the one symbol short name of this package. */
#define PACKAGE_TARNAME "ccminer" #define PACKAGE_TARNAME "ccminer"
@ -168,7 +168,7 @@
#define PACKAGE_URL "http://github.com/tpruvot/ccminer" #define PACKAGE_URL "http://github.com/tpruvot/ccminer"
/* Define to the version of this package. */ /* Define to the version of this package. */
#define PACKAGE_VERSION "1.6.1" #define PACKAGE_VERSION "1.6.2-git"
/* If using the C implementation of alloca, define if you know the /* If using the C implementation of alloca, define if you know the
direction of stack growth for your system; otherwise it will be direction of stack growth for your system; otherwise it will be
@ -191,7 +191,7 @@
/* undef USE_XOP */ /* undef USE_XOP */
/* Version number of package */ /* Version number of package */
#define VERSION "1.6.1" #define VERSION "1.6.2-git"
/* Define curl_free() as free() if our version of curl lacks curl_free. */ /* Define curl_free() as free() if our version of curl lacks curl_free. */
/* #undef curl_free */ /* #undef curl_free */

175
quark/cuda_skein512.cu

@ -4,7 +4,7 @@
#include "cuda_helper.h" #include "cuda_helper.h"
static __constant__ uint64_t c_PaddedMessage80[16]; // padded message (80 bytes + padding) static __constant__ uint64_t c_PaddedMessage80[20]; // padded message (80 bytes + 72 bytes midstate + align)
// Take a look at: https://www.schneier.com/skein1.3.pdf // Take a look at: https://www.schneier.com/skein1.3.pdf
@ -303,6 +303,47 @@ uint64_t skein_rotl64(const uint64_t x, const int offset)
TFBIG_MIX8(p[6], p[1], p[0], p[7], p[2], p[5], p[4], p[3], 8, 35, 56, 22); \ TFBIG_MIX8(p[6], p[1], p[0], p[7], p[2], p[5], p[4], p[3], 8, 35, 56, 22); \
} }
/* uint64_t midstate for skein 80 */
#define TFBIG_ADDKEY_PRE(w0, w1, w2, w3, w4, w5, w6, w7, k, t, s) { \
w0 = (w0 + SKBI(k, s, 0)); \
w1 = (w1 + SKBI(k, s, 1)); \
w2 = (w2 + SKBI(k, s, 2)); \
w3 = (w3 + SKBI(k, s, 3)); \
w4 = (w4 + SKBI(k, s, 4)); \
w5 = (w5 + SKBI(k, s, 5) + SKBT(t, s, 0)); \
w6 = (w6 + SKBI(k, s, 6) + SKBT(t, s, 1)); \
w7 = (w7 + SKBI(k, s, 7) + (s)); \
}
#define TFBIG_MIX_PRE(x0, x1, rc) { \
x0 = x0 + x1; \
x1 = ROTL64(x1, rc) ^ x0; \
}
#define TFBIG_MIX8_PRE(w0, w1, w2, w3, w4, w5, w6, w7, rc0, rc1, rc2, rc3) { \
TFBIG_MIX_PRE(w0, w1, rc0); \
TFBIG_MIX_PRE(w2, w3, rc1); \
TFBIG_MIX_PRE(w4, w5, rc2); \
TFBIG_MIX_PRE(w6, w7, rc3); \
}
#define TFBIG_4e_PRE(s) { \
TFBIG_ADDKEY_PRE(p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], h, t, s); \
TFBIG_MIX8_PRE(p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], 46, 36, 19, 37); \
TFBIG_MIX8_PRE(p[2], p[1], p[4], p[7], p[6], p[5], p[0], p[3], 33, 27, 14, 42); \
TFBIG_MIX8_PRE(p[4], p[1], p[6], p[3], p[0], p[5], p[2], p[7], 17, 49, 36, 39); \
TFBIG_MIX8_PRE(p[6], p[1], p[0], p[7], p[2], p[5], p[4], p[3], 44, 9, 54, 56); \
}
#define TFBIG_4o_PRE(s) { \
TFBIG_ADDKEY_PRE(p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], h, t, s); \
TFBIG_MIX8_PRE(p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], 39, 30, 34, 24); \
TFBIG_MIX8_PRE(p[2], p[1], p[4], p[7], p[6], p[5], p[0], p[3], 13, 50, 10, 17); \
TFBIG_MIX8_PRE(p[4], p[1], p[6], p[3], p[0], p[5], p[2], p[7], 25, 29, 39, 43); \
TFBIG_MIX8_PRE(p[6], p[1], p[0], p[7], p[2], p[5], p[4], p[3], 8, 35, 56, 22); \
}
/* uint2 variant for SM3.2+ */ /* uint2 variant for SM3.2+ */
#define TFBIG_KINIT_UI2(k0, k1, k2, k3, k4, k5, k6, k7, k8, t0, t1, t2) { \ #define TFBIG_KINIT_UI2(k0, k1, k2, k3, k4, k5, k6, k7, k8, t0, t1, t2) { \
@ -560,69 +601,30 @@ void skein512_gpu_hash_80(uint32_t threads, uint32_t startNounce, uint64_t *outp
uint2 h0, h1, h2, h3, h4, h5, h6, h7, h8; uint2 h0, h1, h2, h3, h4, h5, h6, h7, h8;
uint2 t0, t1, t2; uint2 t0, t1, t2;
// Init h0 = vectorize(c_PaddedMessage80[10]);
h0 = vectorize(0x4903ADFF749C51CEull); h1 = vectorize(c_PaddedMessage80[11]);
h1 = vectorize(0x0D95DE399746DF03ull); h2 = vectorize(c_PaddedMessage80[12]);
h2 = vectorize(0x8FD1934127C79BCEull); h3 = vectorize(c_PaddedMessage80[13]);
h3 = vectorize(0x9A255629FF352CB1ull); h4 = vectorize(c_PaddedMessage80[14]);
h4 = vectorize(0x5DB62599DF6CA7B0ull); h5 = vectorize(c_PaddedMessage80[15]);
h5 = vectorize(0xEABE394CA9D5C3F4ull); h6 = vectorize(c_PaddedMessage80[16]);
h6 = vectorize(0x991112C71A75B523ull); h7 = vectorize(c_PaddedMessage80[17]);
h7 = vectorize(0xAE18A40B660FCC33ull);
// 1st step -> etype = 0xE0, ptr = 64, bcount = 0, extra = 0 t2 = vectorize(c_PaddedMessage80[18]);
t0 = vectorize(64); // ptr
//t1 = vectorize(0xE0ull << 55); // etype
t1 = vectorize(0x7000000000000000ull);
TFBIG_KINIT_UI2(h0, h1, h2, h3, h4, h5, h6, h7, h8, t0, t1, t2);
uint2 p[8];
#pragma unroll 8
for (int i = 0; i<8; i++)
p[i] = vectorize(c_PaddedMessage80[i]);
TFBIG_4e_UI2(0);
TFBIG_4o_UI2(1);
TFBIG_4e_UI2(2);
TFBIG_4o_UI2(3);
TFBIG_4e_UI2(4);
TFBIG_4o_UI2(5);
TFBIG_4e_UI2(6);
TFBIG_4o_UI2(7);
TFBIG_4e_UI2(8);
TFBIG_4o_UI2(9);
TFBIG_4e_UI2(10);
TFBIG_4o_UI2(11);
TFBIG_4e_UI2(12);
TFBIG_4o_UI2(13);
TFBIG_4e_UI2(14);
TFBIG_4o_UI2(15);
TFBIG_4e_UI2(16);
TFBIG_4o_UI2(17);
TFBIG_ADDKEY_UI2(p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], h, t, 18);
h0 = vectorize(c_PaddedMessage80[0]) ^ p[0];
h1 = vectorize(c_PaddedMessage80[1]) ^ p[1];
h2 = vectorize(c_PaddedMessage80[2]) ^ p[2];
h3 = vectorize(c_PaddedMessage80[3]) ^ p[3];
h4 = vectorize(c_PaddedMessage80[4]) ^ p[4];
h5 = vectorize(c_PaddedMessage80[5]) ^ p[5];
h6 = vectorize(c_PaddedMessage80[6]) ^ p[6];
h7 = vectorize(c_PaddedMessage80[7]) ^ p[7];
uint32_t nonce = swap ? cuda_swab32(startNounce + thread) : startNounce + thread; uint32_t nonce = swap ? cuda_swab32(startNounce + thread) : startNounce + thread;
uint2 nounce2 = make_uint2(_LOWORD(c_PaddedMessage80[9]), nonce); uint2 nonce2 = make_uint2(_LOWORD(c_PaddedMessage80[9]), nonce);
// skein_big_close -> etype = 0x160, ptr = 16, bcount = 1, extra = 16 uint2 p[8];
p[0] = vectorize(c_PaddedMessage80[8]); p[0] = vectorize(c_PaddedMessage80[8]);
p[1] = nounce2; p[1] = nonce2;
#pragma unroll #pragma unroll
for (int i = 2; i < 8; i++) for (int i = 2; i < 8; i++)
p[i] = vectorize(0ull); p[i] = vectorize(0ull);
t0 = vectorize(0x50ull); // SPH_T64(bcount << 6) + (sph_u64)(extra); t0 = vectorize(0x50ull);
t1 = vectorize(0xB000000000000000ull); // (bcount >> 58) + ((sph_u64)(etype) << 55); t1 = vectorize(0xB000000000000000ull);
TFBIG_KINIT_UI2(h0, h1, h2, h3, h4, h5, h6, h7, h8, t0, t1, t2); TFBIG_KINIT_UI2(h0, h1, h2, h3, h4, h5, h6, h7, h8, t0, t1, t2);
TFBIG_4e_UI2(0); TFBIG_4e_UI2(0);
TFBIG_4o_UI2(1); TFBIG_4o_UI2(1);
@ -646,7 +648,7 @@ void skein512_gpu_hash_80(uint32_t threads, uint32_t startNounce, uint64_t *outp
uint64_t *outpHash = &output64[thread * 8]; uint64_t *outpHash = &output64[thread * 8];
outpHash[0] = c_PaddedMessage80[8] ^ devectorize(p[0]); outpHash[0] = c_PaddedMessage80[8] ^ devectorize(p[0]);
outpHash[1] = devectorize(nounce2 ^ p[1]); outpHash[1] = devectorize(nonce2 ^ p[1]);
#pragma unroll #pragma unroll
for(int i=2; i<8; i++) for(int i=2; i<8; i++)
outpHash[i] = devectorize(p[i]); outpHash[i] = devectorize(p[i]);
@ -888,12 +890,71 @@ void quark_skein512_cpu_hash_64(int thr_id, uint32_t threads, uint32_t startNoun
/* skein / skein2 */ /* skein / skein2 */
__host__
static void skein512_precalc_80(uint64_t* message)
{
uint64_t h0, h1, h2, h3, h4, h5, h6, h7, h8;
uint64_t t0, t1, t2;
h0 = 0x4903ADFF749C51CEull;
h1 = 0x0D95DE399746DF03ull;
h2 = 0x8FD1934127C79BCEull;
h3 = 0x9A255629FF352CB1ull;
h4 = 0x5DB62599DF6CA7B0ull;
h5 = 0xEABE394CA9D5C3F4ull;
h6 = 0x991112C71A75B523ull;
h7 = 0xAE18A40B660FCC33ull;
h8 = h0 ^ h1 ^ h2 ^ h3 ^ h4 ^ h5 ^ h6 ^ h7 ^ SPH_C64(0x1BD11BDAA9FC1A22);
t0 = 64; // ptr
t1 = 0x7000000000000000ull;
t2 = 0x7000000000000040ull;
uint64_t p[8];
for (int i = 0; i<8; i++)
p[i] = message[i];
TFBIG_4e_PRE(0);
TFBIG_4o_PRE(1);
TFBIG_4e_PRE(2);
TFBIG_4o_PRE(3);
TFBIG_4e_PRE(4);
TFBIG_4o_PRE(5);
TFBIG_4e_PRE(6);
TFBIG_4o_PRE(7);
TFBIG_4e_PRE(8);
TFBIG_4o_PRE(9);
TFBIG_4e_PRE(10);
TFBIG_4o_PRE(11);
TFBIG_4e_PRE(12);
TFBIG_4o_PRE(13);
TFBIG_4e_PRE(14);
TFBIG_4o_PRE(15);
TFBIG_4e_PRE(16);
TFBIG_4o_PRE(17);
TFBIG_ADDKEY_PRE(p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], h, t, 18);
message[10] = message[0] ^ p[0];
message[11] = message[1] ^ p[1];
message[12] = message[2] ^ p[2];
message[13] = message[3] ^ p[3];
message[14] = message[4] ^ p[4];
message[15] = message[5] ^ p[5];
message[16] = message[6] ^ p[6];
message[17] = message[7] ^ p[7];
message[18] = t2;
}
__host__ __host__
void skein512_cpu_setBlock_80(void *pdata) void skein512_cpu_setBlock_80(void *pdata)
{ {
cudaMemcpyToSymbol(c_PaddedMessage80, pdata, 80, 0, cudaMemcpyHostToDevice); uint64_t message[20];
memcpy(&message[0], pdata, 80);
skein512_precalc_80(message);
cudaMemcpyToSymbol(c_PaddedMessage80, message, sizeof(message), 0, cudaMemcpyHostToDevice);
CUDA_SAFE_CALL(cudaStreamSynchronize(NULL)); CUDA_SAFE_CALL(cudaGetLastError());
} }
__host__ __host__

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