GOSTSec
/
sgminer
mirror of https://github.com/GOSTSec/sgminer
1
0
Fork 0
Code Issues Releases Wiki Activity
Browse Source

slightly improved performance, works with LG of 2, 4 and 8

djm34
Bufius 11 years ago
parent
e32dcd7190
commit
3c14f0a753
1 changed files with 714 additions and 0 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 714
      kernel/bufius.cl

714
kernel/bufius.cl
Unescape View File

@ -0,0 +1,714 @@ @@ -0,0 +1,714 @@
/*-
* Copyright 2009 Colin Percival, 2011 ArtForz, 2011 pooler, 2012 mtrlt,
* 2012-2013 Con Kolivas.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file was originally written by Colin Percival as part of the Tarsnap
* online backup system.
*/
/* N (nfactor), CPU/Memory cost parameter */
__constant uint N[] = {
0x00000001U, /* never used, padding */
0x00000002U,
0x00000004U,
0x00000008U,
0x00000010U,
0x00000020U,
0x00000040U,
0x00000080U,
0x00000100U,
0x00000200U,
0x00000400U, /* 2^10 == 1024, Litecoin scrypt default */
0x00000800U,
0x00001000U,
0x00002000U,
0x00004000U,
0x00008000U,
0x00010000U,
0x00020000U,
0x00040000U,
0x00080000U,
0x00100000U
};
/* Backwards compatibility, if NFACTOR not defined, default to 10 for scrypt */
#ifndef NFACTOR
#define NFACTOR 10
#endif
__constant uint K[] = {
0x428a2f98U,
0x71374491U,
0xb5c0fbcfU,
0xe9b5dba5U,
0x3956c25bU,
0x59f111f1U,
0x923f82a4U,
0xab1c5ed5U,
0xd807aa98U,
0x12835b01U,
0x243185beU, // 10
0x550c7dc3U,
0x72be5d74U,
0x80deb1feU,
0x9bdc06a7U,
0xe49b69c1U,
0xefbe4786U,
0x0fc19dc6U,
0x240ca1ccU,
0x2de92c6fU,
0x4a7484aaU, // 20
0x5cb0a9dcU,
0x76f988daU,
0x983e5152U,
0xa831c66dU,
0xb00327c8U,
0xbf597fc7U,
0xc6e00bf3U,
0xd5a79147U,
0x06ca6351U,
0x14292967U, // 30
0x27b70a85U,
0x2e1b2138U,
0x4d2c6dfcU,
0x53380d13U,
0x650a7354U,
0x766a0abbU,
0x81c2c92eU,
0x92722c85U,
0xa2bfe8a1U,
0xa81a664bU, // 40
0xc24b8b70U,
0xc76c51a3U,
0xd192e819U,
0xd6990624U,
0xf40e3585U,
0x106aa070U,
0x19a4c116U,
0x1e376c08U,
0x2748774cU,
0x34b0bcb5U, // 50
0x391c0cb3U,
0x4ed8aa4aU,
0x5b9cca4fU,
0x682e6ff3U,
0x748f82eeU,
0x78a5636fU,
0x84c87814U,
0x8cc70208U,
0x90befffaU,
0xa4506cebU, // 60
0xbef9a3f7U,
0xc67178f2U,
0x98c7e2a2U,
0xfc08884dU,
0xcd2a11aeU,
0x510e527fU,
0x9b05688cU,
0xC3910C8EU,
0xfb6feee7U,
0x2a01a605U, // 70
0x0c2e12e0U,
0x4498517BU,
0x6a09e667U,
0xa4ce148bU,
0x95F61999U,
0xc19bf174U,
0xBB67AE85U,
0x3C6EF372U,
0xA54FF53AU,
0x1F83D9ABU, // 80
0x5BE0CD19U,
0x5C5C5C5CU,
0x36363636U,
0x80000000U,
0x000007FFU,
0x00000280U,
0x000004a0U,
0x00000300U
};
__constant uint ES[2] = { 0x00FF00FF, 0xFF00FF00 };
#define rotl(x,y) rotate(x,y)
#define Ch(x,y,z) bitselect(z,y,x)
#define Maj(x,y,z) Ch((x^z),y,z)
#define mod2(x,y) (x&(y-1U))
#define mod4(x) (x&3U)
#define EndianSwap(n) (rotl(n & ES[0], 24U)|rotl(n & ES[1], 8U))
#define Tr2(x) (rotl(x, 30U) ^ rotl(x, 19U) ^ rotl(x, 10U))
#define Tr1(x) (rotl(x, 26U) ^ rotl(x, 21U) ^ rotl(x, 7U))
#define Wr2(x) (rotl(x, 25U) ^ rotl(x, 14U) ^ (x>>3U))
#define Wr1(x) (rotl(x, 15U) ^ rotl(x, 13U) ^ (x>>10U))
#define RND(a, b, c, d, e, f, g, h, k) \
h += Tr1(e) + Ch(e, f, g) + k; \
d += h; \
h += Tr2(a) + Maj(a, b, c);
#define WUpdate(i) { \
uint4 tmp1 = (uint4) (W[i].y, W[i].z, W[i].w, W[mod4(i+1)].x); \
uint4 tmp2 = (uint4) (W[mod4(i+2)].y, W[mod4(i+2)].z, W[mod4(i+2)].w, W[mod4(i+3)].x); \
uint4 tmp3 = (uint4) (W[mod4(i+3)].z, W[mod4(i+3)].w, 0, 0); \
W[i] += tmp2 + Wr2(tmp1) + Wr1(tmp3); \
W[i] += Wr1((uint4) (0, 0, W[i].x, W[i].y)); \
}
void SHA256(uint4*restrict state0, uint4*restrict state1, const uint4 block0, const uint4 block1, const uint4 block2, const uint4 block3)
{
uint4 W[4] = {block0, block1, block2, block3};
uint4 S0 = *state0;
uint4 S1 = *state1;
#define A S0.x
#define B S0.y
#define C S0.z
#define D S0.w
#define E S1.x
#define F S1.y
#define G S1.z
#define H S1.w
RND(A,B,C,D,E,F,G,H, W[0].x+ K[0]);
RND(H,A,B,C,D,E,F,G, W[0].y+ K[1]);
RND(G,H,A,B,C,D,E,F, W[0].z+ K[2]);
RND(F,G,H,A,B,C,D,E, W[0].w+ K[3]);
RND(E,F,G,H,A,B,C,D, W[1].x+ K[4]);
RND(D,E,F,G,H,A,B,C, W[1].y+ K[5]);
RND(C,D,E,F,G,H,A,B, W[1].z+ K[6]);
RND(B,C,D,E,F,G,H,A, W[1].w+ K[7]);
RND(A,B,C,D,E,F,G,H, W[2].x+ K[8]);
RND(H,A,B,C,D,E,F,G, W[2].y+ K[9]);
RND(G,H,A,B,C,D,E,F, W[2].z+ K[10]);
RND(F,G,H,A,B,C,D,E, W[2].w+ K[11]);
RND(E,F,G,H,A,B,C,D, W[3].x+ K[12]);
RND(D,E,F,G,H,A,B,C, W[3].y+ K[13]);
RND(C,D,E,F,G,H,A,B, W[3].z+ K[14]);
RND(B,C,D,E,F,G,H,A, W[3].w+ K[76]);
WUpdate (0);
RND(A,B,C,D,E,F,G,H, W[0].x+ K[15]);
RND(H,A,B,C,D,E,F,G, W[0].y+ K[16]);
RND(G,H,A,B,C,D,E,F, W[0].z+ K[17]);
RND(F,G,H,A,B,C,D,E, W[0].w+ K[18]);
WUpdate (1);
RND(E,F,G,H,A,B,C,D, W[1].x+ K[19]);
RND(D,E,F,G,H,A,B,C, W[1].y+ K[20]);
RND(C,D,E,F,G,H,A,B, W[1].z+ K[21]);
RND(B,C,D,E,F,G,H,A, W[1].w+ K[22]);
WUpdate (2);
RND(A,B,C,D,E,F,G,H, W[2].x+ K[23]);
RND(H,A,B,C,D,E,F,G, W[2].y+ K[24]);
RND(G,H,A,B,C,D,E,F, W[2].z+ K[25]);
RND(F,G,H,A,B,C,D,E, W[2].w+ K[26]);
WUpdate (3);
RND(E,F,G,H,A,B,C,D, W[3].x+ K[27]);
RND(D,E,F,G,H,A,B,C, W[3].y+ K[28]);
RND(C,D,E,F,G,H,A,B, W[3].z+ K[29]);
RND(B,C,D,E,F,G,H,A, W[3].w+ K[30]);
WUpdate (0);
RND(A,B,C,D,E,F,G,H, W[0].x+ K[31]);
RND(H,A,B,C,D,E,F,G, W[0].y+ K[32]);
RND(G,H,A,B,C,D,E,F, W[0].z+ K[33]);
RND(F,G,H,A,B,C,D,E, W[0].w+ K[34]);
WUpdate (1);
RND(E,F,G,H,A,B,C,D, W[1].x+ K[35]);
RND(D,E,F,G,H,A,B,C, W[1].y+ K[36]);
RND(C,D,E,F,G,H,A,B, W[1].z+ K[37]);
RND(B,C,D,E,F,G,H,A, W[1].w+ K[38]);
WUpdate (2);
RND(A,B,C,D,E,F,G,H, W[2].x+ K[39]);
RND(H,A,B,C,D,E,F,G, W[2].y+ K[40]);
RND(G,H,A,B,C,D,E,F, W[2].z+ K[41]);
RND(F,G,H,A,B,C,D,E, W[2].w+ K[42]);
WUpdate (3);
RND(E,F,G,H,A,B,C,D, W[3].x+ K[43]);
RND(D,E,F,G,H,A,B,C, W[3].y+ K[44]);
RND(C,D,E,F,G,H,A,B, W[3].z+ K[45]);
RND(B,C,D,E,F,G,H,A, W[3].w+ K[46]);
WUpdate (0);
RND(A,B,C,D,E,F,G,H, W[0].x+ K[47]);
RND(H,A,B,C,D,E,F,G, W[0].y+ K[48]);
RND(G,H,A,B,C,D,E,F, W[0].z+ K[49]);
RND(F,G,H,A,B,C,D,E, W[0].w+ K[50]);
WUpdate (1);
RND(E,F,G,H,A,B,C,D, W[1].x+ K[51]);
RND(D,E,F,G,H,A,B,C, W[1].y+ K[52]);
RND(C,D,E,F,G,H,A,B, W[1].z+ K[53]);
RND(B,C,D,E,F,G,H,A, W[1].w+ K[54]);
WUpdate (2);
RND(A,B,C,D,E,F,G,H, W[2].x+ K[55]);
RND(H,A,B,C,D,E,F,G, W[2].y+ K[56]);
RND(G,H,A,B,C,D,E,F, W[2].z+ K[57]);
RND(F,G,H,A,B,C,D,E, W[2].w+ K[58]);
WUpdate (3);
RND(E,F,G,H,A,B,C,D, W[3].x+ K[59]);
RND(D,E,F,G,H,A,B,C, W[3].y+ K[60]);
RND(C,D,E,F,G,H,A,B, W[3].z+ K[61]);
RND(B,C,D,E,F,G,H,A, W[3].w+ K[62]);
#undef A
#undef B
#undef C
#undef D
#undef E
#undef F
#undef G
#undef H
*state0 += S0;
*state1 += S1;
}
void SHA256_fresh(uint4*restrict state0,uint4*restrict state1, const uint4 block0, const uint4 block1, const uint4 block2, const uint4 block3)
{
#define A (*state0).x
#define B (*state0).y
#define C (*state0).z
#define D (*state0).w
#define E (*state1).x
#define F (*state1).y
#define G (*state1).z
#define H (*state1).w
uint4 W[4] = {block0, block1, block2, block3};
D = K[63] +W[0].x;
H = K[64] +W[0].x;
C = K[65] +Tr1(D)+Ch(D, K[66], K[67])+W[0].y;
G = K[68] +C+Tr2(H)+Ch(H, K[69], K[70]);
B = K[71] +Tr1(C)+Ch(C,D,K[66])+W[0].z;
F = K[72] +B+Tr2(G)+Maj(G, H, K[73]);
A = K[74] +Tr1(B)+Ch(B, C, D)+W[0].w;
E = K[75] +A+Tr2(F)+Maj(F, G, H);
RND(E,F,G,H,A,B,C,D, W[1].x+ K[4]);
RND(D,E,F,G,H,A,B,C, W[1].y+ K[5]);
RND(C,D,E,F,G,H,A,B, W[1].z+ K[6]);
RND(B,C,D,E,F,G,H,A, W[1].w+ K[7]);
RND(A,B,C,D,E,F,G,H, W[2].x+ K[8]);
RND(H,A,B,C,D,E,F,G, W[2].y+ K[9]);
RND(G,H,A,B,C,D,E,F, W[2].z+ K[10]);
RND(F,G,H,A,B,C,D,E, W[2].w+ K[11]);
RND(E,F,G,H,A,B,C,D, W[3].x+ K[12]);
RND(D,E,F,G,H,A,B,C, W[3].y+ K[13]);
RND(C,D,E,F,G,H,A,B, W[3].z+ K[14]);
RND(B,C,D,E,F,G,H,A, W[3].w+ K[76]);
WUpdate (0);
RND(A,B,C,D,E,F,G,H, W[0].x+ K[15]);
RND(H,A,B,C,D,E,F,G, W[0].y+ K[16]);
RND(G,H,A,B,C,D,E,F, W[0].z+ K[17]);
RND(F,G,H,A,B,C,D,E, W[0].w+ K[18]);
WUpdate (1);
RND(E,F,G,H,A,B,C,D, W[1].x+ K[19]);
RND(D,E,F,G,H,A,B,C, W[1].y+ K[20]);
RND(C,D,E,F,G,H,A,B, W[1].z+ K[21]);
RND(B,C,D,E,F,G,H,A, W[1].w+ K[22]);
WUpdate (2);
RND(A,B,C,D,E,F,G,H, W[2].x+ K[23]);
RND(H,A,B,C,D,E,F,G, W[2].y+ K[24]);
RND(G,H,A,B,C,D,E,F, W[2].z+ K[25]);
RND(F,G,H,A,B,C,D,E, W[2].w+ K[26]);
WUpdate (3);
RND(E,F,G,H,A,B,C,D, W[3].x+ K[27]);
RND(D,E,F,G,H,A,B,C, W[3].y+ K[28]);
RND(C,D,E,F,G,H,A,B, W[3].z+ K[29]);
RND(B,C,D,E,F,G,H,A, W[3].w+ K[30]);
WUpdate (0);
RND(A,B,C,D,E,F,G,H, W[0].x+ K[31]);
RND(H,A,B,C,D,E,F,G, W[0].y+ K[32]);
RND(G,H,A,B,C,D,E,F, W[0].z+ K[33]);
RND(F,G,H,A,B,C,D,E, W[0].w+ K[34]);
WUpdate (1);
RND(E,F,G,H,A,B,C,D, W[1].x+ K[35]);
RND(D,E,F,G,H,A,B,C, W[1].y+ K[36]);
RND(C,D,E,F,G,H,A,B, W[1].z+ K[37]);
RND(B,C,D,E,F,G,H,A, W[1].w+ K[38]);
WUpdate (2);
RND(A,B,C,D,E,F,G,H, W[2].x+ K[39]);
RND(H,A,B,C,D,E,F,G, W[2].y+ K[40]);
RND(G,H,A,B,C,D,E,F, W[2].z+ K[41]);
RND(F,G,H,A,B,C,D,E, W[2].w+ K[42]);
WUpdate (3);
RND(E,F,G,H,A,B,C,D, W[3].x+ K[43]);
RND(D,E,F,G,H,A,B,C, W[3].y+ K[44]);
RND(C,D,E,F,G,H,A,B, W[3].z+ K[45]);
RND(B,C,D,E,F,G,H,A, W[3].w+ K[46]);
WUpdate (0);
RND(A,B,C,D,E,F,G,H, W[0].x+ K[47]);
RND(H,A,B,C,D,E,F,G, W[0].y+ K[48]);
RND(G,H,A,B,C,D,E,F, W[0].z+ K[49]);
RND(F,G,H,A,B,C,D,E, W[0].w+ K[50]);
WUpdate (1);
RND(E,F,G,H,A,B,C,D, W[1].x+ K[51]);
RND(D,E,F,G,H,A,B,C, W[1].y+ K[52]);
RND(C,D,E,F,G,H,A,B, W[1].z+ K[53]);
RND(B,C,D,E,F,G,H,A, W[1].w+ K[54]);
WUpdate (2);
RND(A,B,C,D,E,F,G,H, W[2].x+ K[55]);
RND(H,A,B,C,D,E,F,G, W[2].y+ K[56]);
RND(G,H,A,B,C,D,E,F, W[2].z+ K[57]);
RND(F,G,H,A,B,C,D,E, W[2].w+ K[58]);
WUpdate (3);
RND(E,F,G,H,A,B,C,D, W[3].x+ K[59]);
RND(D,E,F,G,H,A,B,C, W[3].y+ K[60]);
RND(C,D,E,F,G,H,A,B, W[3].z+ K[61]);
RND(B,C,D,E,F,G,H,A, W[3].w+ K[62]);
#undef A
#undef B
#undef C
#undef D
#undef E
#undef F
#undef G
#undef H
*state0 += (uint4)(K[73], K[77], K[78], K[79]);
*state1 += (uint4)(K[66], K[67], K[80], K[81]);
}
__constant uint fixedW[64] =
{
0x428a2f99,0xf1374491,0xb5c0fbcf,0xe9b5dba5,0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5,
0xd807aa98,0x12835b01,0x243185be,0x550c7dc3,0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf794,
0xf59b89c2,0x73924787,0x23c6886e,0xa42ca65c,0x15ed3627,0x4d6edcbf,0xe28217fc,0xef02488f,
0xb707775c,0x0468c23f,0xe7e72b4c,0x49e1f1a2,0x4b99c816,0x926d1570,0xaa0fc072,0xadb36e2c,
0xad87a3ea,0xbcb1d3a3,0x7b993186,0x562b9420,0xbff3ca0c,0xda4b0c23,0x6cd8711a,0x8f337caa,
0xc91b1417,0xc359dce1,0xa83253a7,0x3b13c12d,0x9d3d725d,0xd9031a84,0xb1a03340,0x16f58012,
0xe64fb6a2,0xe84d923a,0xe93a5730,0x09837686,0x078ff753,0x29833341,0xd5de0b7e,0x6948ccf4,
0xe0a1adbe,0x7c728e11,0x511c78e4,0x315b45bd,0xfca71413,0xea28f96a,0x79703128,0x4e1ef848,
};
void SHA256_fixed(uint4*restrict state0,uint4*restrict state1)
{
uint4 S0 = *state0;
uint4 S1 = *state1;
#define A S0.x
#define B S0.y
#define C S0.z
#define D S0.w
#define E S1.x
#define F S1.y
#define G S1.z
#define H S1.w
RND(A,B,C,D,E,F,G,H, fixedW[0]);
RND(H,A,B,C,D,E,F,G, fixedW[1]);
RND(G,H,A,B,C,D,E,F, fixedW[2]);
RND(F,G,H,A,B,C,D,E, fixedW[3]);
RND(E,F,G,H,A,B,C,D, fixedW[4]);
RND(D,E,F,G,H,A,B,C, fixedW[5]);
RND(C,D,E,F,G,H,A,B, fixedW[6]);
RND(B,C,D,E,F,G,H,A, fixedW[7]);
RND(A,B,C,D,E,F,G,H, fixedW[8]);
RND(H,A,B,C,D,E,F,G, fixedW[9]);
RND(G,H,A,B,C,D,E,F, fixedW[10]);
RND(F,G,H,A,B,C,D,E, fixedW[11]);
RND(E,F,G,H,A,B,C,D, fixedW[12]);
RND(D,E,F,G,H,A,B,C, fixedW[13]);
RND(C,D,E,F,G,H,A,B, fixedW[14]);
RND(B,C,D,E,F,G,H,A, fixedW[15]);
RND(A,B,C,D,E,F,G,H, fixedW[16]);
RND(H,A,B,C,D,E,F,G, fixedW[17]);
RND(G,H,A,B,C,D,E,F, fixedW[18]);
RND(F,G,H,A,B,C,D,E, fixedW[19]);
RND(E,F,G,H,A,B,C,D, fixedW[20]);
RND(D,E,F,G,H,A,B,C, fixedW[21]);
RND(C,D,E,F,G,H,A,B, fixedW[22]);
RND(B,C,D,E,F,G,H,A, fixedW[23]);
RND(A,B,C,D,E,F,G,H, fixedW[24]);
RND(H,A,B,C,D,E,F,G, fixedW[25]);
RND(G,H,A,B,C,D,E,F, fixedW[26]);
RND(F,G,H,A,B,C,D,E, fixedW[27]);
RND(E,F,G,H,A,B,C,D, fixedW[28]);
RND(D,E,F,G,H,A,B,C, fixedW[29]);
RND(C,D,E,F,G,H,A,B, fixedW[30]);
RND(B,C,D,E,F,G,H,A, fixedW[31]);
RND(A,B,C,D,E,F,G,H, fixedW[32]);
RND(H,A,B,C,D,E,F,G, fixedW[33]);
RND(G,H,A,B,C,D,E,F, fixedW[34]);
RND(F,G,H,A,B,C,D,E, fixedW[35]);
RND(E,F,G,H,A,B,C,D, fixedW[36]);
RND(D,E,F,G,H,A,B,C, fixedW[37]);
RND(C,D,E,F,G,H,A,B, fixedW[38]);
RND(B,C,D,E,F,G,H,A, fixedW[39]);
RND(A,B,C,D,E,F,G,H, fixedW[40]);
RND(H,A,B,C,D,E,F,G, fixedW[41]);
RND(G,H,A,B,C,D,E,F, fixedW[42]);
RND(F,G,H,A,B,C,D,E, fixedW[43]);
RND(E,F,G,H,A,B,C,D, fixedW[44]);
RND(D,E,F,G,H,A,B,C, fixedW[45]);
RND(C,D,E,F,G,H,A,B, fixedW[46]);
RND(B,C,D,E,F,G,H,A, fixedW[47]);
RND(A,B,C,D,E,F,G,H, fixedW[48]);
RND(H,A,B,C,D,E,F,G, fixedW[49]);
RND(G,H,A,B,C,D,E,F, fixedW[50]);
RND(F,G,H,A,B,C,D,E, fixedW[51]);
RND(E,F,G,H,A,B,C,D, fixedW[52]);
RND(D,E,F,G,H,A,B,C, fixedW[53]);
RND(C,D,E,F,G,H,A,B, fixedW[54]);
RND(B,C,D,E,F,G,H,A, fixedW[55]);
RND(A,B,C,D,E,F,G,H, fixedW[56]);
RND(H,A,B,C,D,E,F,G, fixedW[57]);
RND(G,H,A,B,C,D,E,F, fixedW[58]);
RND(F,G,H,A,B,C,D,E, fixedW[59]);
RND(E,F,G,H,A,B,C,D, fixedW[60]);
RND(D,E,F,G,H,A,B,C, fixedW[61]);
RND(C,D,E,F,G,H,A,B, fixedW[62]);
RND(B,C,D,E,F,G,H,A, fixedW[63]);
#undef A
#undef B
#undef C
#undef D
#undef E
#undef F
#undef G
#undef H
*state0 += S0;
*state1 += S1;
}
void shittify(uint4 B[8])
{
uint4 tmp[8];
tmp[0] = (uint4)(B[1].x,B[2].y,B[3].z,B[0].w);
tmp[1] = (uint4)(B[2].x,B[3].y,B[0].z,B[1].w);
tmp[2] = (uint4)(B[3].x,B[0].y,B[1].z,B[2].w);
tmp[3] = (uint4)(B[0].x,B[1].y,B[2].z,B[3].w);
tmp[4] = (uint4)(B[5].x,B[6].y,B[7].z,B[4].w);
tmp[5] = (uint4)(B[6].x,B[7].y,B[4].z,B[5].w);
tmp[6] = (uint4)(B[7].x,B[4].y,B[5].z,B[6].w);
tmp[7] = (uint4)(B[4].x,B[5].y,B[6].z,B[7].w);
#pragma unroll 8
for(uint i=0; i<8; ++i)
B[i] = EndianSwap(tmp[i]);
}
void unshittify(uint4 B[8])
{
uint4 tmp[8];
tmp[0] = (uint4)(B[3].x,B[2].y,B[1].z,B[0].w);
tmp[1] = (uint4)(B[0].x,B[3].y,B[2].z,B[1].w);
tmp[2] = (uint4)(B[1].x,B[0].y,B[3].z,B[2].w);
tmp[3] = (uint4)(B[2].x,B[1].y,B[0].z,B[3].w);
tmp[4] = (uint4)(B[7].x,B[6].y,B[5].z,B[4].w);
tmp[5] = (uint4)(B[4].x,B[7].y,B[6].z,B[5].w);
tmp[6] = (uint4)(B[5].x,B[4].y,B[7].z,B[6].w);
tmp[7] = (uint4)(B[6].x,B[5].y,B[4].z,B[7].w);
#pragma unroll 8
for(uint i=0; i<8; ++i)
B[i] = EndianSwap(tmp[i]);
}
void salsa(uint4 B[8])
{
uint i;
uint4 w[4];
#pragma unroll 4
for(i=0; i<4; ++i)
w[i] = (B[i]^=B[i+4]);
#pragma unroll 4
for(i=0; i<4; ++i)
{
w[0] ^= rotl(w[3] +w[2] , 7U);
w[1] ^= rotl(w[0] +w[3] , 9U);
w[2] ^= rotl(w[1] +w[0] ,13U);
w[3] ^= rotl(w[2] +w[1] ,18U);
w[2] ^= rotl(w[3].wxyz+w[0].zwxy, 7U);
w[1] ^= rotl(w[2].wxyz+w[3].zwxy, 9U);
w[0] ^= rotl(w[1].wxyz+w[2].zwxy,13U);
w[3] ^= rotl(w[0].wxyz+w[1].zwxy,18U);
}
#pragma unroll 4
for(i=0; i<4; ++i)
w[i] = (B[i+4]^=(B[i]+=w[i]));
#pragma unroll 4
for(i=0; i<4; ++i)
{
w[0] ^= rotl(w[3] +w[2] , 7U);
w[1] ^= rotl(w[0] +w[3] , 9U);
w[2] ^= rotl(w[1] +w[0] ,13U);
w[3] ^= rotl(w[2] +w[1] ,18U);
w[2] ^= rotl(w[3].wxyz+w[0].zwxy, 7U);
w[1] ^= rotl(w[2].wxyz+w[3].zwxy, 9U);
w[0] ^= rotl(w[1].wxyz+w[2].zwxy,13U);
w[3] ^= rotl(w[0].wxyz+w[1].zwxy,18U);
}
#pragma unroll 4
for(i=0; i<4; ++i)
B[i+4] += w[i];
}
__constant uint COy=CONCURRENT_THREADS*8;
void scrypt_core(uint4 X[8], __global uint4* const restrict lookup)
{
const uint lookup_bits = popcount((uint)(LOOKUP_GAP-1U));
const uint write_loop = N[NFACTOR-lookup_bits];
const uint COx = rotl((uint)(get_global_id(0)%CONCURRENT_THREADS), 3U);
uint CO = COx;
uint i, j, z, additional_salsa;
uint4 V[8];
shittify(X);
// write lookup table to memory
#pragma unroll 1
for (i=0; i<write_loop; ++i) {
#pragma unroll 8
for(z=0; z<8; ++z)
lookup[CO+z] = X[z];
#pragma unroll 2
for (j=0; j<LOOKUP_GAP; ++j)
salsa(X);
CO += COy;
}
// read lookup table from memory and compute
#pragma unroll 1
for (i=0; i<N[NFACTOR]; ++i) {
j = mul24((X[7].x & (N[NFACTOR]-LOOKUP_GAP)), (uint)(CONCURRENT_THREADS));
CO = COx + rotl(j, 3U-lookup_bits);
additional_salsa = mod2(X[7].x, LOOKUP_GAP);
#pragma unroll 8
for(z=0; z<8; ++z)
V[z] = lookup[CO+z];
#pragma unroll 1
for (j=0; j<additional_salsa; ++j)
salsa(V);
#pragma unroll 8
for(z=0; z<8; ++z)
X[z] ^= V[z];
salsa(X);
}
unshittify(X);
}
#pragma OPENCL EXTENSION cl_khr_global_int32_base_atomics : enable
#define SCRYPT_FOUND (0xFF)
#define SETFOUND(Xnonce) output[atomic_add(&output[SCRYPT_FOUND], 1)] = Xnonce;
__attribute__((reqd_work_group_size(WORKSIZE, 1, 1)))
__attribute__((max_work_group_size(WORKSIZE, 1, 1)))
__kernel void search(__global const uint4 * const restrict input,
volatile __global uint* const restrict output,
__global uint4* const restrict padcache,
const uint4 midstate0, const uint4 midstate16,
const uint target)
{
uint4 X[8];
uint4 tstate0, tstate1, ostate0, ostate1, tmp0, tmp1;
uint4 data = (uint4)(input[4].x, input[4].y, input[4].z, get_global_id(0));
uint4 pad0 = midstate0, pad1 = midstate16;
SHA256(&pad0, &pad1, data, (uint4)(K[84], 0U, 0U, 0U), (uint4)(0U, 0U, 0U, 0U), (uint4)(0U, 0U, 0U, K[86]));
SHA256_fresh(&ostate0, &ostate1, pad0^ K[82], pad1^ K[82], K[82], K[82]);
SHA256_fresh(&tstate0, &tstate1, pad0^ K[83], pad1^ K[83], K[83], K[83]);
tmp0 = tstate0;
tmp1 = tstate1;
SHA256(&tstate0, &tstate1, input[0], input[1], input[2], input[3]);
#pragma unroll 4
for (uint i=0; i<4; ++i)
{
pad0 = tstate0;
pad1 = tstate1;
X[rotl(i, 1U) ] = ostate0;
X[rotl(i, 1U)+1] = ostate1;
SHA256(&pad0, &pad1, data, (uint4)(i+1,K[84],0,0), (uint4)(0,0,0,0), (uint4)(0,0,0, K[87]));
SHA256(&X[rotl(i, 1U)], &X[rotl(i, 1U)+1], pad0, pad1, (uint4)(K[84], 0U, 0U, 0U), (uint4)(0U, 0U, 0U, K[88]));
}
scrypt_core(X, padcache);
SHA256(&tmp0,&tmp1, X[0], X[1], X[2], X[3]);
SHA256(&tmp0,&tmp1, X[4], X[5], X[6], X[7]);
SHA256_fixed(&tmp0, &tmp1);
SHA256(&ostate0, &ostate1, tmp0, tmp1, (uint4)(K[84], 0U, 0U, 0U), (uint4)(0U, 0U, 0U, K[88]));
bool found = EndianSwap(ostate1.w) <= target;
barrier(CLK_GLOBAL_MEM_FENCE);
if (found)
SETFOUND(get_global_id(0));
}
Write Preview
Loading…
Cancel
Save