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575 lines
17 KiB
575 lines
17 KiB
10 years ago
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/*
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* "pluck" kernel implementation.
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*
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* ==========================(LICENSE BEGIN)============================
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*
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* Copyright (c) 2015 djm34
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* ===========================(LICENSE END)=============================
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*
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* @author djm34
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* @author tpruvot
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <memory.h>
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#include "cuda_helper.h"
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#include "cuda_vector.h"
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uint32_t *d_PlNonce[MAX_GPUS];
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__device__ uint8_t * hashbuffer;
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__constant__ uint32_t pTarget[8];
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__constant__ uint32_t c_data[20];
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#define HASH_MEMORY_8bit 131072
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#define HASH_MEMORY_32bit 32768
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#define HASH_MEMORY 4096
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static __constant__ uint32_t H256[8] = {
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0x6A09E667, 0xBB67AE85, 0x3C6EF372,
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0xA54FF53A, 0x510E527F, 0x9B05688C,
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0x1F83D9AB, 0x5BE0CD19
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};
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static __constant__ uint32_t Ksha[64] = {
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0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5,
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0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5,
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0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3,
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0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174,
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0xE49B69C1, 0xEFBE4786, 0x0FC19DC6, 0x240CA1CC,
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0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA,
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0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7,
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0xC6E00BF3, 0xD5A79147, 0x06CA6351, 0x14292967,
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0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13,
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0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85,
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0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3,
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0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070,
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0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5,
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0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3,
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0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208,
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0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2
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};
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#define SALSA(a,b,c,d) { \
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t = a+d; b^=rotate(t, 7); \
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t = b+a; c^=rotate(t, 9); \
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t = c+b; d^=rotate(t, 13); \
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t = d+c; a^=rotate(t, 18); \
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}
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#define SALSA_CORE(state) { \
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SALSA(state.s0,state.s4,state.s8,state.sc); \
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SALSA(state.s5,state.s9,state.sd,state.s1); \
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SALSA(state.sa,state.se,state.s2,state.s6); \
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SALSA(state.sf,state.s3,state.s7,state.sb); \
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SALSA(state.s0,state.s1,state.s2,state.s3); \
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SALSA(state.s5,state.s6,state.s7,state.s4); \
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SALSA(state.sa,state.sb,state.s8,state.s9); \
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SALSA(state.sf,state.sc,state.sd,state.se); \
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}
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static __device__ __forceinline__ uint16 xor_salsa8(const uint16 &Bx)
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{
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uint32_t t;
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uint16 state = Bx;
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SALSA_CORE(state);
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SALSA_CORE(state);
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SALSA_CORE(state);
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SALSA_CORE(state);
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return(state+Bx);
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}
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// sha256
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static __device__ __forceinline__ uint32_t bsg2_0(const uint32_t x)
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{
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uint32_t r1 = ROTR32(x, 2);
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uint32_t r2 = ROTR32(x, 13);
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uint32_t r3 = ROTR32(x, 22);
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return xor3b(r1, r2, r3);
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}
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static __device__ __forceinline__ uint32_t bsg2_1(const uint32_t x)
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{
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uint32_t r1 = ROTR32(x, 6);
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uint32_t r2 = ROTR32(x, 11);
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uint32_t r3 = ROTR32(x, 25);
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return xor3b(r1, r2, r3);
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}
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static __device__ __forceinline__ uint32_t ssg2_0(const uint32_t x)
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{
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uint64_t r1 = ROTR32(x, 7);
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uint64_t r2 = ROTR32(x, 18);
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uint64_t r3 = shr_t32(x, 3);
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return xor3b(r1, r2, r3);
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}
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static __device__ __forceinline__ uint32_t ssg2_1(const uint32_t x)
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{
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uint64_t r1 = ROTR32(x, 17);
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uint64_t r2 = ROTR32(x, 19);
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uint64_t r3 = shr_t32(x, 10);
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return xor3b(r1, r2, r3);
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}
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static __device__ __forceinline__ void sha2_step1(const uint32_t a, const uint32_t b, const uint32_t c, uint32_t &d, const uint32_t e,
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const uint32_t f, const uint32_t g, uint32_t &h, const uint32_t in, const uint32_t Kshared)
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{
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uint32_t t1, t2;
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uint32_t vxandx = xandx(e, f, g);
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uint32_t bsg21 = bsg2_1(e);
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uint32_t bsg20 = bsg2_0(a);
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uint32_t andorv = andor32(a, b, c);
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t1 = h + bsg21 + vxandx + Kshared + in;
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t2 = bsg20 + andorv;
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d = d + t1;
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h = t1 + t2;
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}
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static __device__ __forceinline__ void sha2_step2(const uint32_t a, const uint32_t b, const uint32_t c, uint32_t &d, const uint32_t e,
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const uint32_t f, const uint32_t g, uint32_t &h, uint32_t* in, const uint32_t pc, const uint32_t Kshared)
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{
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uint32_t t1, t2;
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int pcidx1 = (pc - 2) & 0xF;
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int pcidx2 = (pc - 7) & 0xF;
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int pcidx3 = (pc - 15) & 0xF;
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uint32_t inx0 = in[pc];
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uint32_t inx1 = in[pcidx1];
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uint32_t inx2 = in[pcidx2];
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uint32_t inx3 = in[pcidx3];
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uint32_t ssg21 = ssg2_1(inx1);
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uint32_t ssg20 = ssg2_0(inx3);
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uint32_t vxandx = xandx(e, f, g);
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uint32_t bsg21 = bsg2_1(e);
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uint32_t bsg20 = bsg2_0(a);
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uint32_t andorv = andor32(a, b, c);
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in[pc] = ssg21 + inx2 + ssg20 + inx0;
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t1 = h + bsg21 + vxandx + Kshared + in[pc];
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t2 = bsg20 + andorv;
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d = d + t1;
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h = t1 + t2;
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}
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static __device__ __forceinline__
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void sha2_round_body(uint32_t* in, uint32_t* r)
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{
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uint32_t a = r[0];
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uint32_t b = r[1];
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uint32_t c = r[2];
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uint32_t d = r[3];
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uint32_t e = r[4];
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uint32_t f = r[5];
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uint32_t g = r[6];
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uint32_t h = r[7];
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sha2_step1(a, b, c, d, e, f, g, h, in[0], Ksha[0]);
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sha2_step1(h, a, b, c, d, e, f, g, in[1], Ksha[1]);
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sha2_step1(g, h, a, b, c, d, e, f, in[2], Ksha[2]);
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sha2_step1(f, g, h, a, b, c, d, e, in[3], Ksha[3]);
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sha2_step1(e, f, g, h, a, b, c, d, in[4], Ksha[4]);
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sha2_step1(d, e, f, g, h, a, b, c, in[5], Ksha[5]);
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sha2_step1(c, d, e, f, g, h, a, b, in[6], Ksha[6]);
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sha2_step1(b, c, d, e, f, g, h, a, in[7], Ksha[7]);
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sha2_step1(a, b, c, d, e, f, g, h, in[8], Ksha[8]);
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sha2_step1(h, a, b, c, d, e, f, g, in[9], Ksha[9]);
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sha2_step1(g, h, a, b, c, d, e, f, in[10], Ksha[10]);
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sha2_step1(f, g, h, a, b, c, d, e, in[11], Ksha[11]);
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sha2_step1(e, f, g, h, a, b, c, d, in[12], Ksha[12]);
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sha2_step1(d, e, f, g, h, a, b, c, in[13], Ksha[13]);
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sha2_step1(c, d, e, f, g, h, a, b, in[14], Ksha[14]);
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sha2_step1(b, c, d, e, f, g, h, a, in[15], Ksha[15]);
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#pragma unroll 3
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for (int i = 0; i<3; i++) {
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sha2_step2(a, b, c, d, e, f, g, h, in, 0, Ksha[16 + 16 * i]);
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sha2_step2(h, a, b, c, d, e, f, g, in, 1, Ksha[17 + 16 * i]);
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sha2_step2(g, h, a, b, c, d, e, f, in, 2, Ksha[18 + 16 * i]);
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sha2_step2(f, g, h, a, b, c, d, e, in, 3, Ksha[19 + 16 * i]);
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sha2_step2(e, f, g, h, a, b, c, d, in, 4, Ksha[20 + 16 * i]);
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sha2_step2(d, e, f, g, h, a, b, c, in, 5, Ksha[21 + 16 * i]);
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sha2_step2(c, d, e, f, g, h, a, b, in, 6, Ksha[22 + 16 * i]);
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sha2_step2(b, c, d, e, f, g, h, a, in, 7, Ksha[23 + 16 * i]);
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sha2_step2(a, b, c, d, e, f, g, h, in, 8, Ksha[24 + 16 * i]);
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sha2_step2(h, a, b, c, d, e, f, g, in, 9, Ksha[25 + 16 * i]);
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sha2_step2(g, h, a, b, c, d, e, f, in, 10, Ksha[26 + 16 * i]);
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sha2_step2(f, g, h, a, b, c, d, e, in, 11, Ksha[27 + 16 * i]);
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sha2_step2(e, f, g, h, a, b, c, d, in, 12, Ksha[28 + 16 * i]);
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sha2_step2(d, e, f, g, h, a, b, c, in, 13, Ksha[29 + 16 * i]);
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sha2_step2(c, d, e, f, g, h, a, b, in, 14, Ksha[30 + 16 * i]);
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sha2_step2(b, c, d, e, f, g, h, a, in, 15, Ksha[31 + 16 * i]);
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}
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r[0] += a;
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r[1] += b;
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r[2] += c;
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r[3] += d;
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r[4] += e;
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r[5] += f;
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r[6] += g;
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r[7] += h;
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}
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static __device__ __forceinline__ uint8 sha256_64(uint32_t *data)
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{
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uint32_t __align__(64) in[16];
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uint32_t __align__(32) buf[8];
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((uint16 *)in)[0] = swapvec((uint16*)data);
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((uint8*)buf)[0] = ((uint8*)H256)[0];
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sha2_round_body(in, buf);
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#pragma unroll 14
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for (int i = 0; i<14; i++) { in[i + 1] = 0; }
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in[0] = 0x80000000;
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in[15] = 0x200;
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sha2_round_body(in, buf);
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return swapvec((uint8*)buf);
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}
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static __device__ __forceinline__ uint8 sha256_80(uint32_t nonce)
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{
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// uint32_t in[16], buf[8];
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uint32_t __align__(64) in[16];
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uint32_t __align__(32) buf[8];
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((uint16 *)in)[0] = swapvec((uint16*)c_data);
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((uint8*)buf)[0] = ((uint8*)H256)[0];
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sha2_round_body(in, buf);
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#pragma unroll 3
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for (int i = 0; i<3; i++) { in[i] = cuda_swab32(c_data[i + 16]); }
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// in[3] = cuda_swab32(nonce);
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in[3] = nonce;
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in[4] = 0x80000000;
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in[15] = 0x280;
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#pragma unroll
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for (int i = 5; i<15; i++) { in[i] = 0; }
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sha2_round_body(in, buf);
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return swapvec((uint8*)buf);
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}
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#define SHIFT 32 * 1024 * 4
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__global__ __launch_bounds__(256, 1)
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void pluck_gpu_hash0_v50(uint32_t threads, uint32_t startNonce)
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{
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uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x);
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if (thread < threads)
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{
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|
|
const uint32_t nonce = startNonce + thread;
|
||
|
|
|
||
|
|
uint32_t shift = SHIFT * thread;
|
||
|
|
((uint8*)(hashbuffer + shift))[0] = sha256_80(nonce);
|
||
|
|
((uint8*)(hashbuffer + shift))[1] = make_uint8(0, 0, 0, 0, 0, 0, 0, 0);
|
||
|
|
for (int i = 2; i < 5; i++)
|
||
|
|
{
|
||
|
|
uint32_t randmax = i * 32 - 4;
|
||
|
|
uint32_t randseed[16];
|
||
|
|
uint32_t randbuffer[16];
|
||
|
|
uint32_t joint[16];
|
||
|
|
uint8 Buffbuffer[2];
|
||
|
|
|
||
|
|
((uint8*)randseed)[0] = __ldg8(&(hashbuffer + shift)[32 * i - 64]);
|
||
|
|
((uint8*)randseed)[1] = __ldg8(&(hashbuffer + shift)[32 * i - 32]);
|
||
|
|
|
||
|
|
((uint16*)randbuffer)[0] = xor_salsa8(((uint16*)randseed)[0]);
|
||
|
|
|
||
|
|
// ((uint8*)joint)[0] = __ldg8(&(hashbuffer + shift)[(i - 1) << 5]);
|
||
|
|
((uint8*)joint)[0] = ((uint8*)randseed)[1];
|
||
|
|
|
||
|
|
#pragma unroll
|
||
|
|
for (int j = 0; j < 8; j++) {
|
||
|
|
uint32_t rand = randbuffer[j] % (randmax - 32);
|
||
|
|
joint[j + 8] = __ldgtoint_unaligned(&(hashbuffer + shift)[rand]);
|
||
|
|
}
|
||
|
|
|
||
|
|
uint8 truc = sha256_64(joint);
|
||
|
|
((uint8*)(hashbuffer + shift))[i] = truc;
|
||
|
|
((uint8*)randseed)[0] = ((uint8*)joint)[0];
|
||
|
|
((uint8*)randseed)[1] = truc;
|
||
|
|
|
||
|
|
((uint16*)randbuffer)[0] = xor_salsa8(((uint16*)randseed)[0]);
|
||
|
|
|
||
|
|
for (int j = 0; j < 32; j += 2)
|
||
|
|
{
|
||
|
|
uint32_t rand = randbuffer[j / 2] % randmax;
|
||
|
|
(hashbuffer + shift)[rand] = __ldg(&(hashbuffer + shift)[randmax + j]);
|
||
|
|
(hashbuffer + shift)[rand + 1] = __ldg(&(hashbuffer + shift)[randmax + j + 1]);
|
||
|
|
(hashbuffer + shift)[rand + 2] = __ldg(&(hashbuffer + shift)[randmax + j + 2]);
|
||
|
|
(hashbuffer + shift)[rand + 3] = __ldg(&(hashbuffer + shift)[randmax + j + 3]);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // main loop
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
__global__ __launch_bounds__(256, 1)
|
||
|
|
void pluck_gpu_hash_v50(uint32_t threads, uint32_t startNonce, uint32_t *nonceVector)
|
||
|
|
{
|
||
|
|
|
||
|
|
uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x);
|
||
|
|
if (thread < threads)
|
||
|
|
{
|
||
|
|
const uint32_t nonce = startNonce + thread;
|
||
|
|
|
||
|
|
uint32_t shift = SHIFT * thread;
|
||
|
|
|
||
|
|
for (int i = 5; i < HASH_MEMORY - 1; i++)
|
||
|
|
{
|
||
|
|
uint32_t randmax = i*32-4;
|
||
|
|
uint32_t randseed[16];
|
||
|
|
uint32_t randbuffer[16];
|
||
|
|
uint32_t joint[16];
|
||
|
|
uint8 Buffbuffer[2];
|
||
|
|
|
||
|
|
((uint8*)randseed)[0] = __ldg8(&(hashbuffer + shift)[32*i-64]);
|
||
|
|
((uint8*)randseed)[1] = __ldg8(&(hashbuffer + shift)[32*i-32]);
|
||
|
|
|
||
|
|
|
||
|
|
Buffbuffer[0] = __ldg8(&(hashbuffer + shift)[32*i - 128]);
|
||
|
|
Buffbuffer[1] = __ldg8(&(hashbuffer + shift)[32*i - 96]);
|
||
|
|
|
||
|
|
((uint16*)randseed)[0] ^= ((uint16*)Buffbuffer)[0];
|
||
|
|
((uint16*)randbuffer)[0]= xor_salsa8(((uint16*)randseed)[0]);
|
||
|
|
((uint8*)joint)[0] = __ldg8(&(hashbuffer + shift)[(i-1)<<5]);
|
||
|
|
|
||
|
|
#pragma unroll
|
||
|
|
for (int j = 0; j < 8; j++) {
|
||
|
|
uint32_t rand = randbuffer[j] % (randmax - 32);
|
||
|
|
joint[j+8] = __ldgtoint_unaligned(&(hashbuffer + shift)[rand]);
|
||
|
|
}
|
||
|
|
|
||
|
|
uint8 truc = sha256_64(joint);
|
||
|
|
((uint8*)(hashbuffer + shift))[i] = truc;
|
||
|
|
((uint8*)randseed)[0] = ((uint8*)joint)[0];
|
||
|
|
((uint8*)randseed)[1] = truc;
|
||
|
|
|
||
|
|
((uint16*)randseed)[0] ^= ((uint16*)Buffbuffer)[0];
|
||
|
|
((uint16*)randbuffer)[0] = xor_salsa8(((uint16*)randseed)[0]);
|
||
|
|
|
||
|
|
for (int j = 0; j < 32; j += 2)
|
||
|
|
{
|
||
|
|
uint32_t rand = randbuffer[j / 2] % randmax;
|
||
|
|
|
||
|
|
(hashbuffer+shift)[rand] = __ldg(&(hashbuffer+shift)[randmax+j]);
|
||
|
|
(hashbuffer + shift)[rand + 1] = __ldg(&(hashbuffer + shift)[randmax + j + 1]);
|
||
|
|
(hashbuffer + shift)[rand + 2] = __ldg(&(hashbuffer + shift)[randmax + j + 2]);
|
||
|
|
(hashbuffer + shift)[rand + 3] = __ldg(&(hashbuffer + shift)[randmax + j + 3]);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // main loop
|
||
|
|
|
||
|
|
uint32_t outbuf = __ldgtoint(&(hashbuffer + shift)[28]);
|
||
|
|
|
||
|
|
if (outbuf <= pTarget[7]) {
|
||
|
|
nonceVector[0] = nonce;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
__global__ __launch_bounds__(128, 3)
|
||
|
|
void pluck_gpu_hash0(uint32_t threads, uint32_t startNonce)
|
||
|
|
{
|
||
|
|
uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x);
|
||
|
|
if (thread < threads)
|
||
|
|
{
|
||
|
|
const uint32_t nonce = startNonce + thread;
|
||
|
|
|
||
|
|
uint32_t shift = SHIFT * thread;
|
||
|
|
((uint8*)(hashbuffer + shift))[0] = sha256_80(nonce);
|
||
|
|
((uint8*)(hashbuffer + shift))[1] = make_uint8(0, 0, 0, 0, 0, 0, 0, 0);
|
||
|
|
for (int i = 2; i < 5; i++)
|
||
|
|
{
|
||
|
|
uint32_t randmax = i * 32 - 4;
|
||
|
|
uint32_t randseed[16];
|
||
|
|
uint32_t randbuffer[16];
|
||
|
|
uint32_t joint[16];
|
||
|
|
uint8 Buffbuffer[2];
|
||
|
|
|
||
|
|
((uint8*)randseed)[0] = __ldg8(&(hashbuffer + shift)[32 * i - 64]);
|
||
|
|
((uint8*)randseed)[1] = __ldg8(&(hashbuffer + shift)[32 * i - 32]);
|
||
|
|
|
||
|
|
((uint16*)randbuffer)[0] = xor_salsa8(((uint16*)randseed)[0]);
|
||
|
|
|
||
|
|
// ((uint8*)joint)[0] = __ldg8(&(hashbuffer + shift)[(i - 1) << 5]);
|
||
|
|
((uint8*)joint)[0] = ((uint8*)randseed)[1];
|
||
|
|
|
||
|
|
#pragma unroll
|
||
|
|
for (int j = 0; j < 8; j++) {
|
||
|
|
uint32_t rand = randbuffer[j] % (randmax - 32);
|
||
|
|
joint[j + 8] = __ldgtoint_unaligned(&(hashbuffer + shift)[rand]);
|
||
|
|
}
|
||
|
|
|
||
|
|
uint8 truc = sha256_64(joint);
|
||
|
|
((uint8*)(hashbuffer + shift))[i] = truc;
|
||
|
|
((uint8*)randseed)[0] = ((uint8*)joint)[0];
|
||
|
|
((uint8*)randseed)[1] = truc;
|
||
|
|
|
||
|
|
((uint16*)randbuffer)[0] = xor_salsa8(((uint16*)randseed)[0]);
|
||
|
|
|
||
|
|
for (int j = 0; j < 32; j += 2)
|
||
|
|
{
|
||
|
|
uint32_t rand = randbuffer[j / 2] % randmax;
|
||
|
|
(hashbuffer + shift)[rand] = __ldg(&(hashbuffer + shift)[randmax + j]);
|
||
|
|
(hashbuffer + shift)[rand + 1] = __ldg(&(hashbuffer + shift)[randmax + j + 1]);
|
||
|
|
(hashbuffer + shift)[rand + 2] = __ldg(&(hashbuffer + shift)[randmax + j + 2]);
|
||
|
|
(hashbuffer + shift)[rand + 3] = __ldg(&(hashbuffer + shift)[randmax + j + 3]);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // main loop
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
__global__ __launch_bounds__(128, 3)
|
||
|
|
void pluck_gpu_hash(uint32_t threads, uint32_t startNonce, uint32_t *nonceVector)
|
||
|
|
{
|
||
|
|
uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x);
|
||
|
|
if (thread < threads)
|
||
|
|
{
|
||
|
|
const uint32_t nonce = startNonce + thread;
|
||
|
|
|
||
|
|
uint32_t shift = SHIFT * thread;
|
||
|
|
|
||
|
|
for (int i = 5; i < HASH_MEMORY - 1; i++)
|
||
|
|
{
|
||
|
|
uint32_t randmax = i * 32 - 4;
|
||
|
|
uint32_t randseed[16];
|
||
|
|
uint32_t randbuffer[16];
|
||
|
|
uint32_t joint[16];
|
||
|
|
uint8 Buffbuffer[2];
|
||
|
|
|
||
|
|
((uint8*)randseed)[0] = __ldg8(&(hashbuffer + shift)[32 * i - 64]);
|
||
|
|
((uint8*)randseed)[1] = __ldg8(&(hashbuffer + shift)[32 * i - 32]);
|
||
|
|
|
||
|
|
|
||
|
|
Buffbuffer[0] = __ldg8(&(hashbuffer + shift)[32 * i - 128]);
|
||
|
|
Buffbuffer[1] = __ldg8(&(hashbuffer + shift)[32 * i - 96]);
|
||
|
|
((uint16*)randseed)[0] ^= ((uint16*)Buffbuffer)[0];
|
||
|
|
|
||
|
|
((uint16*)randbuffer)[0] = xor_salsa8(((uint16*)randseed)[0]);
|
||
|
|
|
||
|
|
((uint8*)joint)[0] = __ldg8(&(hashbuffer + shift)[(i - 1) << 5]);
|
||
|
|
|
||
|
|
#pragma unroll
|
||
|
|
for (int j = 0; j < 8; j++)
|
||
|
|
{
|
||
|
|
uint32_t rand = randbuffer[j] % (randmax - 32);
|
||
|
|
joint[j + 8] = __ldgtoint_unaligned(&(hashbuffer + shift)[rand]);
|
||
|
|
}
|
||
|
|
|
||
|
|
uint8 truc = sha256_64(joint);
|
||
|
|
((uint8*)(hashbuffer + shift))[i] = truc;
|
||
|
|
((uint8*)randseed)[0] = ((uint8*)joint)[0];
|
||
|
|
((uint8*)randseed)[1] = truc;
|
||
|
|
|
||
|
|
|
||
|
|
((uint16*)randseed)[0] ^= ((uint16*)Buffbuffer)[0];
|
||
|
|
((uint16*)randbuffer)[0] = xor_salsa8(((uint16*)randseed)[0]);
|
||
|
|
|
||
|
|
for (int j = 0; j < 32; j += 2)
|
||
|
|
{
|
||
|
|
uint32_t rand = randbuffer[j / 2] % randmax;
|
||
|
|
|
||
|
|
(hashbuffer + shift)[rand] = __ldg(&(hashbuffer + shift)[randmax + j]);
|
||
|
|
(hashbuffer + shift)[rand + 1] = __ldg(&(hashbuffer + shift)[randmax + j + 1]);
|
||
|
|
(hashbuffer + shift)[rand + 2] = __ldg(&(hashbuffer + shift)[randmax + j + 2]);
|
||
|
|
(hashbuffer + shift)[rand + 3] = __ldg(&(hashbuffer + shift)[randmax + j + 3]);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // main loop
|
||
|
|
|
||
|
|
uint32_t outbuf = __ldgtoint(&(hashbuffer + shift)[28]);
|
||
|
|
|
||
|
|
if (outbuf <= pTarget[7]) {
|
||
|
|
nonceVector[0] = nonce;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void pluck_cpu_init(int thr_id, uint32_t threads, uint32_t* hash)
|
||
|
|
{
|
||
|
|
cudaMemcpyToSymbol(hashbuffer, &hash, sizeof(hash), 0, cudaMemcpyHostToDevice);
|
||
|
|
cudaMalloc(&d_PlNonce[thr_id], sizeof(uint32_t));
|
||
|
|
}
|
||
|
|
|
||
|
|
__host__
|
||
|
|
uint32_t pluck_cpu_hash(int thr_id, uint32_t threads, uint32_t startNounce, int order)
|
||
|
|
{
|
||
|
|
uint32_t result[8] = {0xffffffff};
|
||
|
|
cudaMemset(d_PlNonce[thr_id], 0xffffffff, sizeof(uint32_t));
|
||
|
|
|
||
|
|
const uint32_t threadsperblock = 128;
|
||
|
|
|
||
|
|
dim3 grid((threads + threadsperblock - 1) / threadsperblock);
|
||
|
|
dim3 block(threadsperblock);
|
||
|
|
dim3 grid50((threads + 256 - 1) / 256);
|
||
|
|
dim3 block50(256);
|
||
|
|
|
||
|
|
if (device_sm[device_map[thr_id]] >= 500) {
|
||
|
|
pluck_gpu_hash0_v50 <<< grid50, block50 >>>(threads, startNounce);
|
||
|
|
pluck_gpu_hash_v50 <<< grid50, block50 >>>(threads, startNounce, d_PlNonce[thr_id]);
|
||
|
|
} else {
|
||
|
|
pluck_gpu_hash0 <<< grid, block >>>(threads, startNounce);
|
||
|
|
pluck_gpu_hash <<< grid, block >>>(threads, startNounce, d_PlNonce[thr_id]);
|
||
|
|
}
|
||
|
|
|
||
|
|
MyStreamSynchronize(NULL, order, thr_id);
|
||
|
|
cudaMemcpy(&result[thr_id], d_PlNonce[thr_id], sizeof(uint32_t), cudaMemcpyDeviceToHost);
|
||
|
|
|
||
|
|
return result[thr_id];
|
||
|
|
}
|
||
|
|
|
||
|
|
__host__
|
||
|
|
void pluck_setBlockTarget(const void *pdata, const void *ptarget)
|
||
|
|
{
|
||
|
|
unsigned char PaddedMessage[80];
|
||
|
|
memcpy(PaddedMessage, pdata, 80);
|
||
|
|
|
||
|
|
cudaMemcpyToSymbol(c_data, PaddedMessage, 10 * sizeof(uint64_t), 0, cudaMemcpyHostToDevice);
|
||
|
|
cudaMemcpyToSymbol(pTarget, ptarget, 8 * sizeof(uint32_t), 0, cudaMemcpyHostToDevice);
|
||
|
|
}
|