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573 lines
17 KiB
573 lines
17 KiB
/* |
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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_vector.h" |
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#include "miner.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, 0xA54FF53A, |
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0x510E527F, 0x9B05688C, 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^=rotateL(t, 7); \ |
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t = b+a; c^=rotateL(t, 9); \ |
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t = c+b; d^=rotateL(t, 13); \ |
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t = d+c; a^=rotateL(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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#if __CUDA_ARCH__ >= 320 |
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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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#endif |
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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 __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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// Pluck Factor 128 |
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#define SHIFT (1024 * 128) |
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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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#if __CUDA_ARCH__ >= 320 |
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const uint32_t nonce = startNonce + thread; |
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uint32_t shift = SHIFT * thread; |
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((uint8*)(hashbuffer + shift))[0] = sha256_80(nonce); |
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((uint8*)(hashbuffer + shift))[1] = make_uint8(0, 0, 0, 0, 0, 0, 0, 0); |
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for (int i = 2; i < 5; i++) |
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{ |
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uint32_t randmax = i * 32 - 4; |
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uint32_t randseed[16]; |
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uint32_t randbuffer[16]; |
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uint32_t joint[16]; |
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((uint8*)randseed)[0] = __ldg8(&(hashbuffer + shift)[32 * i - 64]); |
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((uint8*)randseed)[1] = __ldg8(&(hashbuffer + shift)[32 * i - 32]); |
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((uint16*)randbuffer)[0] = xor_salsa8(((uint16*)randseed)[0]); |
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((uint8*)joint)[0] = ((uint8*)randseed)[1]; |
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#pragma unroll |
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for (int j = 0; j < 8; j++) { |
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uint32_t rand = randbuffer[j] % (randmax - 32); |
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joint[j + 8] = __ldgtoint_unaligned(&(hashbuffer + shift)[rand]); |
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} |
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uint8 truc = sha256_64(joint); |
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((uint8*)(hashbuffer + shift))[i] = truc; |
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((uint8*)randseed)[0] = ((uint8*)joint)[0]; |
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((uint8*)randseed)[1] = truc; |
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((uint16*)randbuffer)[0] = xor_salsa8(((uint16*)randseed)[0]); |
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for (int j = 0; j < 32; j += 2) |
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{ |
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uint32_t rand = randbuffer[j / 2] % randmax; |
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(hashbuffer + shift)[rand] = __ldg(&(hashbuffer + shift)[randmax + j]); |
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(hashbuffer + shift)[rand + 1] = __ldg(&(hashbuffer + shift)[randmax + j + 1]); |
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(hashbuffer + shift)[rand + 2] = __ldg(&(hashbuffer + shift)[randmax + j + 2]); |
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(hashbuffer + shift)[rand + 3] = __ldg(&(hashbuffer + shift)[randmax + j + 3]); |
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} |
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} // main loop |
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#endif |
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} |
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} |
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__global__ __launch_bounds__(256, 1) |
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void pluck_gpu_hash_v50(uint32_t threads, uint32_t startNonce, uint32_t *nonceVector) |
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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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#if __CUDA_ARCH__ >= 320 |
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const uint32_t nonce = startNonce + thread; |
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uint32_t shift = SHIFT * thread; |
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for (int i = 5; i < HASH_MEMORY - 1; i++) |
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{ |
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uint32_t randmax = i*32-4; |
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uint32_t randseed[16]; |
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uint32_t randbuffer[16]; |
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uint32_t joint[16]; |
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uint8 Buffbuffer[2]; |
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((uint8*)randseed)[0] = __ldg8(&(hashbuffer + shift)[32*i-64]); |
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((uint8*)randseed)[1] = __ldg8(&(hashbuffer + shift)[32*i-32]); |
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Buffbuffer[0] = __ldg8(&(hashbuffer + shift)[32*i - 128]); |
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Buffbuffer[1] = __ldg8(&(hashbuffer + shift)[32*i - 96]); |
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((uint16*)randseed)[0] ^= ((uint16*)Buffbuffer)[0]; |
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((uint16*)randbuffer)[0]= xor_salsa8(((uint16*)randseed)[0]); |
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((uint8*)joint)[0] = __ldg8(&(hashbuffer + shift)[(i-1)<<5]); |
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#pragma unroll |
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for (int j = 0; j < 8; j++) { |
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uint32_t rand = randbuffer[j] % (randmax - 32); |
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joint[j+8] = __ldgtoint_unaligned(&(hashbuffer + shift)[rand]); |
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} |
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uint8 truc = sha256_64(joint); |
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((uint8*)(hashbuffer + shift))[i] = truc; |
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((uint8*)randseed)[0] = ((uint8*)joint)[0]; |
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((uint8*)randseed)[1] = truc; |
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((uint16*)randseed)[0] ^= ((uint16*)Buffbuffer)[0]; |
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((uint16*)randbuffer)[0] = xor_salsa8(((uint16*)randseed)[0]); |
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for (int j = 0; j < 32; j += 2) |
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{ |
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uint32_t rand = randbuffer[j / 2] % randmax; |
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(hashbuffer+shift)[rand] = __ldg(&(hashbuffer+shift)[randmax+j]); |
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(hashbuffer + shift)[rand + 1] = __ldg(&(hashbuffer + shift)[randmax + j + 1]); |
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(hashbuffer + shift)[rand + 2] = __ldg(&(hashbuffer + shift)[randmax + j + 2]); |
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(hashbuffer + shift)[rand + 3] = __ldg(&(hashbuffer + shift)[randmax + j + 3]); |
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} |
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} // main loop |
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uint32_t outbuf = __ldgtoint(&(hashbuffer + shift)[28]); |
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if (outbuf <= pTarget[7]) { |
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nonceVector[0] = nonce; |
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} |
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#endif |
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} |
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} |
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__global__ __launch_bounds__(128, 3) |
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void pluck_gpu_hash0(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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#if __CUDA_ARCH__ >= 320 |
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const uint32_t nonce = startNonce + thread; |
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uint32_t shift = SHIFT * thread; |
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((uint8*)(hashbuffer + shift))[0] = sha256_80(nonce); |
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((uint8*)(hashbuffer + shift))[1] = make_uint8(0, 0, 0, 0, 0, 0, 0, 0); |
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for (int i = 2; i < 5; i++) |
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{ |
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uint32_t randmax = i * 32 - 4; |
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uint32_t randseed[16]; |
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uint32_t randbuffer[16]; |
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uint32_t joint[16]; |
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((uint8*)randseed)[0] = __ldg8(&(hashbuffer + shift)[32 * i - 64]); |
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((uint8*)randseed)[1] = __ldg8(&(hashbuffer + shift)[32 * i - 32]); |
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((uint16*)randbuffer)[0] = xor_salsa8(((uint16*)randseed)[0]); |
|
|
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((uint8*)joint)[0] = ((uint8*)randseed)[1]; |
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|
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#pragma unroll |
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for (int j = 0; j < 8; j++) { |
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uint32_t rand = randbuffer[j] % (randmax - 32); |
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joint[j + 8] = __ldgtoint_unaligned(&(hashbuffer + shift)[rand]); |
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} |
|
|
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uint8 truc = sha256_64(joint); |
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((uint8*)(hashbuffer + shift))[i] = truc; |
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((uint8*)randseed)[0] = ((uint8*)joint)[0]; |
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((uint8*)randseed)[1] = truc; |
|
|
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((uint16*)randbuffer)[0] = xor_salsa8(((uint16*)randseed)[0]); |
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|
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for (int j = 0; j < 32; j += 2) |
|
{ |
|
uint32_t rand = randbuffer[j / 2] % randmax; |
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(hashbuffer + shift)[rand] = __ldg(&(hashbuffer + shift)[randmax + j]); |
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(hashbuffer + shift)[rand + 1] = __ldg(&(hashbuffer + shift)[randmax + j + 1]); |
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(hashbuffer + shift)[rand + 2] = __ldg(&(hashbuffer + shift)[randmax + j + 2]); |
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(hashbuffer + shift)[rand + 3] = __ldg(&(hashbuffer + shift)[randmax + j + 3]); |
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} |
|
} // main loop |
|
#endif |
|
} |
|
} |
|
|
|
__global__ __launch_bounds__(128, 3) |
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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) |
|
{ |
|
#if __CUDA_ARCH__ >= 320 |
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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; |
|
} |
|
#endif |
|
} |
|
} |
|
|
|
void pluck_cpu_init(int thr_id, uint32_t threads, uint32_t* hash) |
|
{ |
|
cuda_get_arch(thr_id); |
|
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], 0xff, 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]] <= 300) { |
|
applog(LOG_ERR,"Sorry pluck not supported on SM 3.0 devices"); |
|
return 0; |
|
} else 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); |
|
CUDA_SAFE_CALL(cudaThreadSynchronize()); |
|
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, 80, 0, cudaMemcpyHostToDevice); |
|
cudaMemcpyToSymbol(pTarget, ptarget, 32, 0, cudaMemcpyHostToDevice); |
|
}
|
|
|