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sgminer
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sgminer/kernel/pluck.cl

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/*
* "pluck" kernel implementation.
*
* ==========================(LICENSE BEGIN)============================
*
* Copyright (c) 2015 djm34
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* ===========================(LICENSE END)=============================
*
* @author djm34
*/
#if !defined(cl_khr_byte_addressable_store)
#error "Device does not support unaligned stores"
#endif
#define ROL32(x, n) rotate(x, (uint) n)
//#define ROL32(x, n) (((x) << (n)) | ((x) >> (32 - (n))))
#define HASH_MEMORY 4096
#define SALSA(a,b,c,d) do { \
t =a+d; b^=rotate(t, 7U); \
t =b+a; c^=rotate(t, 9U); \
t =c+b; d^=rotate(t, 13U); \
t =d+c; a^=rotate(t, 18U); \
} while(0)
#define SALSA_CORE(state) do { \
\
SALSA(state.s0,state.s4,state.s8,state.sc); \
SALSA(state.s5,state.s9,state.sd,state.s1); \
SALSA(state.sa,state.se,state.s2,state.s6); \
SALSA(state.sf,state.s3,state.s7,state.sb); \
SALSA(state.s0,state.s1,state.s2,state.s3); \
SALSA(state.s5,state.s6,state.s7,state.s4); \
SALSA(state.sa,state.sb,state.s8,state.s9); \
SALSA(state.sf,state.sc,state.sd,state.se); \
} while(0)
/*
#define SALSA_CORE(state) do { \
state.s4 ^= rotate(state.s0 + state.sc, 7U); state.s8 ^= rotate(state.s4 + state.s0, 9U); state.sc ^= rotate(state.s8 + state.s4, 13U); state.s0 ^= rotate(state.sc + state.s8, 18U); \
state.s9 ^= rotate(state.s5 + state.s1, 7U); state.sd ^= rotate(state.s9 + state.s5, 9U); state.s1 ^= rotate(state.sd + state.s9, 13U); state.s5 ^= rotate(state.s1 + state.sd, 18U); \
state.se ^= rotate(state.sa + state.s6, 7U); state.s2 ^= rotate(state.se + state.sa, 9U); state.s6 ^= rotate(state.s2 + state.se, 13U); state.sa ^= rotate(state.s6 + state.s2, 18U); \
state.s3 ^= rotate(state.sf + state.sb, 7U); state.s7 ^= rotate(state.s3 + state.sf, 9U); state.sb ^= rotate(state.s7 + state.s3, 13U); state.sf ^= rotate(state.sb + state.s7, 18U); \
state.s1 ^= rotate(state.s0 + state.s3, 7U); state.s2 ^= rotate(state.s1 + state.s0, 9U); state.s3 ^= rotate(state.s2 + state.s1, 13U); state.s0 ^= rotate(state.s3 + state.s2, 18U); \
state.s6 ^= rotate(state.s5 + state.s4, 7U); state.s7 ^= rotate(state.s6 + state.s5, 9U); state.s4 ^= rotate(state.s7 + state.s6, 13U); state.s5 ^= rotate(state.s4 + state.s7, 18U); \
state.sb ^= rotate(state.sa + state.s9, 7U); state.s8 ^= rotate(state.sb + state.sa, 9U); state.s9 ^= rotate(state.s8 + state.sb, 13U); state.sa ^= rotate(state.s9 + state.s8, 18U); \
state.sc ^= rotate(state.sf + state.se, 7U); state.sd ^= rotate(state.sc + state.sf, 9U); state.se ^= rotate(state.sd + state.sc, 13U); state.sf ^= rotate(state.se + state.sd, 18U); \
} while(0)
*/
uint16 xor_salsa8(uint16 Bx)
{
uint t;
uint16 st = Bx;
SALSA_CORE(st);
SALSA_CORE(st);
SALSA_CORE(st);
SALSA_CORE(st);
return(st + Bx);
}
#define SHR(x, n) ((x) >> n)
#define SWAP32(a) (as_uint(as_uchar4(a).wzyx))
#define S0(x) (ROL32(x, 25) ^ ROL32(x, 14) ^ SHR(x, 3))
#define S1(x) (ROL32(x, 15) ^ ROL32(x, 13) ^ SHR(x, 10))
#define S2(x) (ROL32(x, 30) ^ ROL32(x, 19) ^ ROL32(x, 10))
#define S3(x) (ROL32(x, 26) ^ ROL32(x, 21) ^ ROL32(x, 7))
#define P(a,b,c,d,e,f,g,h,x,K) \
{ \
temp1 = h + S3(e) + F1(e,f,g) + (K + x); \
d += temp1; h = temp1 + S2(a) + F0(a,b,c); \
}
#define PLAST(a,b,c,d,e,f,g,h,x,K) \
{ \
d += h + S3(e) + F1(e,f,g) + (x + K); \
}
#define F0(y, x, z) bitselect(z, y, z ^ x)
#define F1(x, y, z) bitselect(z, y, x)
#define R0 (W0 = S1(W14) + W9 + S0(W1) + W0)
#define R1 (W1 = S1(W15) + W10 + S0(W2) + W1)
#define R2 (W2 = S1(W0) + W11 + S0(W3) + W2)
#define R3 (W3 = S1(W1) + W12 + S0(W4) + W3)
#define R4 (W4 = S1(W2) + W13 + S0(W5) + W4)
#define R5 (W5 = S1(W3) + W14 + S0(W6) + W5)
#define R6 (W6 = S1(W4) + W15 + S0(W7) + W6)
#define R7 (W7 = S1(W5) + W0 + S0(W8) + W7)
#define R8 (W8 = S1(W6) + W1 + S0(W9) + W8)
#define R9 (W9 = S1(W7) + W2 + S0(W10) + W9)
#define R10 (W10 = S1(W8) + W3 + S0(W11) + W10)
#define R11 (W11 = S1(W9) + W4 + S0(W12) + W11)
#define R12 (W12 = S1(W10) + W5 + S0(W13) + W12)
#define R13 (W13 = S1(W11) + W6 + S0(W14) + W13)
#define R14 (W14 = S1(W12) + W7 + S0(W15) + W14)
#define R15 (W15 = S1(W13) + W8 + S0(W0) + W15)
#define RD14 (S1(W12) + W7 + S0(W15) + W14)
#define RD15 (S1(W13) + W8 + S0(W0) + W15)
inline uint8 sha256_round1(uint16 data)
{
uint temp1;
uint8 res;
uint W0 = SWAP32(data.s0);
uint W1 = SWAP32(data.s1);
uint W2 = SWAP32(data.s2);
uint W3 = SWAP32(data.s3);
uint W4 = SWAP32(data.s4);
uint W5 = SWAP32(data.s5);
uint W6 = SWAP32(data.s6);
uint W7 = SWAP32(data.s7);
uint W8 = SWAP32(data.s8);
uint W9 = SWAP32(data.s9);
uint W10 = SWAP32(data.sA);
uint W11 = SWAP32(data.sB);
uint W12 = SWAP32(data.sC);
uint W13 = SWAP32(data.sD);
uint W14 = SWAP32(data.sE);
uint W15 = SWAP32(data.sF);
uint v0 = 0x6A09E667;
uint v1 = 0xBB67AE85;
uint v2 = 0x3C6EF372;
uint v3 = 0xA54FF53A;
uint v4 = 0x510E527F;
uint v5 = 0x9B05688C;
uint v6 = 0x1F83D9AB;
uint v7 = 0x5BE0CD19;
P(v0, v1, v2, v3, v4, v5, v6, v7, W0, 0x428A2F98);
P(v7, v0, v1, v2, v3, v4, v5, v6, W1, 0x71374491);
P(v6, v7, v0, v1, v2, v3, v4, v5, W2, 0xB5C0FBCF);
P(v5, v6, v7, v0, v1, v2, v3, v4, W3, 0xE9B5DBA5);
P(v4, v5, v6, v7, v0, v1, v2, v3, W4, 0x3956C25B);
P(v3, v4, v5, v6, v7, v0, v1, v2, W5, 0x59F111F1);
P(v2, v3, v4, v5, v6, v7, v0, v1, W6, 0x923F82A4);
P(v1, v2, v3, v4, v5, v6, v7, v0, W7, 0xAB1C5ED5);
P(v0, v1, v2, v3, v4, v5, v6, v7, W8, 0xD807AA98);
P(v7, v0, v1, v2, v3, v4, v5, v6, W9, 0x12835B01);
P(v6, v7, v0, v1, v2, v3, v4, v5, W10, 0x243185BE);
P(v5, v6, v7, v0, v1, v2, v3, v4, W11, 0x550C7DC3);
P(v4, v5, v6, v7, v0, v1, v2, v3, W12, 0x72BE5D74);
P(v3, v4, v5, v6, v7, v0, v1, v2, W13, 0x80DEB1FE);
P(v2, v3, v4, v5, v6, v7, v0, v1, W14, 0x9BDC06A7);
P(v1, v2, v3, v4, v5, v6, v7, v0, W15, 0xC19BF174);
P(v0, v1, v2, v3, v4, v5, v6, v7, R0, 0xE49B69C1);
P(v7, v0, v1, v2, v3, v4, v5, v6, R1, 0xEFBE4786);
P(v6, v7, v0, v1, v2, v3, v4, v5, R2, 0x0FC19DC6);
P(v5, v6, v7, v0, v1, v2, v3, v4, R3, 0x240CA1CC);
P(v4, v5, v6, v7, v0, v1, v2, v3, R4, 0x2DE92C6F);
P(v3, v4, v5, v6, v7, v0, v1, v2, R5, 0x4A7484AA);
P(v2, v3, v4, v5, v6, v7, v0, v1, R6, 0x5CB0A9DC);
P(v1, v2, v3, v4, v5, v6, v7, v0, R7, 0x76F988DA);
P(v0, v1, v2, v3, v4, v5, v6, v7, R8, 0x983E5152);
P(v7, v0, v1, v2, v3, v4, v5, v6, R9, 0xA831C66D);
P(v6, v7, v0, v1, v2, v3, v4, v5, R10, 0xB00327C8);
P(v5, v6, v7, v0, v1, v2, v3, v4, R11, 0xBF597FC7);
P(v4, v5, v6, v7, v0, v1, v2, v3, R12, 0xC6E00BF3);
P(v3, v4, v5, v6, v7, v0, v1, v2, R13, 0xD5A79147);
P(v2, v3, v4, v5, v6, v7, v0, v1, R14, 0x06CA6351);
P(v1, v2, v3, v4, v5, v6, v7, v0, R15, 0x14292967);
P(v0, v1, v2, v3, v4, v5, v6, v7, R0, 0x27B70A85);
P(v7, v0, v1, v2, v3, v4, v5, v6, R1, 0x2E1B2138);
P(v6, v7, v0, v1, v2, v3, v4, v5, R2, 0x4D2C6DFC);
P(v5, v6, v7, v0, v1, v2, v3, v4, R3, 0x53380D13);
P(v4, v5, v6, v7, v0, v1, v2, v3, R4, 0x650A7354);
P(v3, v4, v5, v6, v7, v0, v1, v2, R5, 0x766A0ABB);
P(v2, v3, v4, v5, v6, v7, v0, v1, R6, 0x81C2C92E);
P(v1, v2, v3, v4, v5, v6, v7, v0, R7, 0x92722C85);
P(v0, v1, v2, v3, v4, v5, v6, v7, R8, 0xA2BFE8A1);
P(v7, v0, v1, v2, v3, v4, v5, v6, R9, 0xA81A664B);
P(v6, v7, v0, v1, v2, v3, v4, v5, R10, 0xC24B8B70);
P(v5, v6, v7, v0, v1, v2, v3, v4, R11, 0xC76C51A3);
P(v4, v5, v6, v7, v0, v1, v2, v3, R12, 0xD192E819);
P(v3, v4, v5, v6, v7, v0, v1, v2, R13, 0xD6990624);
P(v2, v3, v4, v5, v6, v7, v0, v1, R14, 0xF40E3585);
P(v1, v2, v3, v4, v5, v6, v7, v0, R15, 0x106AA070);
P(v0, v1, v2, v3, v4, v5, v6, v7, R0, 0x19A4C116);
P(v7, v0, v1, v2, v3, v4, v5, v6, R1, 0x1E376C08);
P(v6, v7, v0, v1, v2, v3, v4, v5, R2, 0x2748774C);
P(v5, v6, v7, v0, v1, v2, v3, v4, R3, 0x34B0BCB5);
P(v4, v5, v6, v7, v0, v1, v2, v3, R4, 0x391C0CB3);
P(v3, v4, v5, v6, v7, v0, v1, v2, R5, 0x4ED8AA4A);
P(v2, v3, v4, v5, v6, v7, v0, v1, R6, 0x5B9CCA4F);
P(v1, v2, v3, v4, v5, v6, v7, v0, R7, 0x682E6FF3);
P(v0, v1, v2, v3, v4, v5, v6, v7, R8, 0x748F82EE);
P(v7, v0, v1, v2, v3, v4, v5, v6, R9, 0x78A5636F);
P(v6, v7, v0, v1, v2, v3, v4, v5, R10, 0x84C87814);
P(v5, v6, v7, v0, v1, v2, v3, v4, R11, 0x8CC70208);
P(v4, v5, v6, v7, v0, v1, v2, v3, R12, 0x90BEFFFA);
P(v3, v4, v5, v6, v7, v0, v1, v2, R13, 0xA4506CEB);
P(v2, v3, v4, v5, v6, v7, v0, v1, RD14, 0xBEF9A3F7);
P(v1, v2, v3, v4, v5, v6, v7, v0, RD15, 0xC67178F2);
res.s0 = v0 + 0x6A09E667;
res.s1 = v1 + 0xBB67AE85;
res.s2 = v2 + 0x3C6EF372;
res.s3 = v3 + 0xA54FF53A;
res.s4 = v4 + 0x510E527F;
res.s5 = v5 + 0x9B05688C;
res.s6 = v6 + 0x1F83D9AB;
res.s7 = v7 + 0x5BE0CD19;
return (res);
}
inline uint8 sha256_round2(uint16 data,uint8 buf)
{
uint temp1;
uint8 res;
uint W0 = data.s0;
uint W1 = data.s1;
uint W2 = data.s2;
uint W3 = data.s3;
uint W4 = data.s4;
uint W5 = data.s5;
uint W6 = data.s6;
uint W7 = data.s7;
uint W8 = data.s8;
uint W9 = data.s9;
uint W10 = data.sA;
uint W11 = data.sB;
uint W12 = data.sC;
uint W13 = data.sD;
uint W14 = data.sE;
uint W15 = data.sF;
uint v0 = buf.s0;
uint v1 = buf.s1;
uint v2 = buf.s2;
uint v3 = buf.s3;
uint v4 = buf.s4;
uint v5 = buf.s5;
uint v6 = buf.s6;
uint v7 = buf.s7;
P(v0, v1, v2, v3, v4, v5, v6, v7, W0, 0x428A2F98);
P(v7, v0, v1, v2, v3, v4, v5, v6, W1, 0x71374491);
P(v6, v7, v0, v1, v2, v3, v4, v5, W2, 0xB5C0FBCF);
P(v5, v6, v7, v0, v1, v2, v3, v4, W3, 0xE9B5DBA5);
P(v4, v5, v6, v7, v0, v1, v2, v3, W4, 0x3956C25B);
P(v3, v4, v5, v6, v7, v0, v1, v2, W5, 0x59F111F1);
P(v2, v3, v4, v5, v6, v7, v0, v1, W6, 0x923F82A4);
P(v1, v2, v3, v4, v5, v6, v7, v0, W7, 0xAB1C5ED5);
P(v0, v1, v2, v3, v4, v5, v6, v7, W8, 0xD807AA98);
P(v7, v0, v1, v2, v3, v4, v5, v6, W9, 0x12835B01);
P(v6, v7, v0, v1, v2, v3, v4, v5, W10, 0x243185BE);
P(v5, v6, v7, v0, v1, v2, v3, v4, W11, 0x550C7DC3);
P(v4, v5, v6, v7, v0, v1, v2, v3, W12, 0x72BE5D74);
P(v3, v4, v5, v6, v7, v0, v1, v2, W13, 0x80DEB1FE);
P(v2, v3, v4, v5, v6, v7, v0, v1, W14, 0x9BDC06A7);
P(v1, v2, v3, v4, v5, v6, v7, v0, W15, 0xC19BF174);
P(v0, v1, v2, v3, v4, v5, v6, v7, R0, 0xE49B69C1);
P(v7, v0, v1, v2, v3, v4, v5, v6, R1, 0xEFBE4786);
P(v6, v7, v0, v1, v2, v3, v4, v5, R2, 0x0FC19DC6);
P(v5, v6, v7, v0, v1, v2, v3, v4, R3, 0x240CA1CC);
P(v4, v5, v6, v7, v0, v1, v2, v3, R4, 0x2DE92C6F);
P(v3, v4, v5, v6, v7, v0, v1, v2, R5, 0x4A7484AA);
P(v2, v3, v4, v5, v6, v7, v0, v1, R6, 0x5CB0A9DC);
P(v1, v2, v3, v4, v5, v6, v7, v0, R7, 0x76F988DA);
P(v0, v1, v2, v3, v4, v5, v6, v7, R8, 0x983E5152);
P(v7, v0, v1, v2, v3, v4, v5, v6, R9, 0xA831C66D);
P(v6, v7, v0, v1, v2, v3, v4, v5, R10, 0xB00327C8);
P(v5, v6, v7, v0, v1, v2, v3, v4, R11, 0xBF597FC7);
P(v4, v5, v6, v7, v0, v1, v2, v3, R12, 0xC6E00BF3);
P(v3, v4, v5, v6, v7, v0, v1, v2, R13, 0xD5A79147);
P(v2, v3, v4, v5, v6, v7, v0, v1, R14, 0x06CA6351);
P(v1, v2, v3, v4, v5, v6, v7, v0, R15, 0x14292967);
P(v0, v1, v2, v3, v4, v5, v6, v7, R0, 0x27B70A85);
P(v7, v0, v1, v2, v3, v4, v5, v6, R1, 0x2E1B2138);
P(v6, v7, v0, v1, v2, v3, v4, v5, R2, 0x4D2C6DFC);
P(v5, v6, v7, v0, v1, v2, v3, v4, R3, 0x53380D13);
P(v4, v5, v6, v7, v0, v1, v2, v3, R4, 0x650A7354);
P(v3, v4, v5, v6, v7, v0, v1, v2, R5, 0x766A0ABB);
P(v2, v3, v4, v5, v6, v7, v0, v1, R6, 0x81C2C92E);
P(v1, v2, v3, v4, v5, v6, v7, v0, R7, 0x92722C85);
P(v0, v1, v2, v3, v4, v5, v6, v7, R8, 0xA2BFE8A1);
P(v7, v0, v1, v2, v3, v4, v5, v6, R9, 0xA81A664B);
P(v6, v7, v0, v1, v2, v3, v4, v5, R10, 0xC24B8B70);
P(v5, v6, v7, v0, v1, v2, v3, v4, R11, 0xC76C51A3);
P(v4, v5, v6, v7, v0, v1, v2, v3, R12, 0xD192E819);
P(v3, v4, v5, v6, v7, v0, v1, v2, R13, 0xD6990624);
P(v2, v3, v4, v5, v6, v7, v0, v1, R14, 0xF40E3585);
P(v1, v2, v3, v4, v5, v6, v7, v0, R15, 0x106AA070);
P(v0, v1, v2, v3, v4, v5, v6, v7, R0, 0x19A4C116);
P(v7, v0, v1, v2, v3, v4, v5, v6, R1, 0x1E376C08);
P(v6, v7, v0, v1, v2, v3, v4, v5, R2, 0x2748774C);
P(v5, v6, v7, v0, v1, v2, v3, v4, R3, 0x34B0BCB5);
P(v4, v5, v6, v7, v0, v1, v2, v3, R4, 0x391C0CB3);
P(v3, v4, v5, v6, v7, v0, v1, v2, R5, 0x4ED8AA4A);
P(v2, v3, v4, v5, v6, v7, v0, v1, R6, 0x5B9CCA4F);
P(v1, v2, v3, v4, v5, v6, v7, v0, R7, 0x682E6FF3);
P(v0, v1, v2, v3, v4, v5, v6, v7, R8, 0x748F82EE);
P(v7, v0, v1, v2, v3, v4, v5, v6, R9, 0x78A5636F);
P(v6, v7, v0, v1, v2, v3, v4, v5, R10, 0x84C87814);
P(v5, v6, v7, v0, v1, v2, v3, v4, R11, 0x8CC70208);
P(v4, v5, v6, v7, v0, v1, v2, v3, R12, 0x90BEFFFA);
P(v3, v4, v5, v6, v7, v0, v1, v2, R13, 0xA4506CEB);
P(v2, v3, v4, v5, v6, v7, v0, v1, RD14, 0xBEF9A3F7);
P(v1, v2, v3, v4, v5, v6, v7, v0, RD15, 0xC67178F2);
res.s0 = SWAP32(v0 + buf.s0);
res.s1 = SWAP32(v1 + buf.s1);
res.s2 = SWAP32(v2 + buf.s2);
res.s3 = SWAP32(v3 + buf.s3);
res.s4 = SWAP32(v4 + buf.s4);
res.s5 = SWAP32(v5 + buf.s5);
res.s6 = SWAP32(v6 + buf.s6);
res.s7 = SWAP32(v7 + buf.s7);
return (res);
}
inline uint8 sha256_80(uint* data,uint nonce)
{
uint8 buf = sha256_round1( ((uint16*)data)[0]);
uint in[16];
for (int i = 0; i<3; i++) { in[i] = SWAP32(data[i + 16]); }
in[3] = SWAP32(nonce);
in[4] = 0x80000000;
in[15] = 0x280;
for (int i = 5; i<15; i++) { in[i] = 0; }
return(sha256_round2(((uint16*)in)[0], buf));
}
inline uint8 sha256_64(uint* data)
{
uint8 buf=sha256_round1(((uint16*)data)[0]);
uint in[16];
for (int i = 1; i<15; i++) { in[i] = 0; }
in[0] = 0x80000000;
in[15] = 0x200;
return(sha256_round2(((uint16*)in)[0],buf));
}
__attribute__((reqd_work_group_size(WORKSIZE, 1, 1)))
__kernel void search(__global const uchar* restrict input, __global uint* restrict output, __global uchar *padcache, const uint target)
{
__global uchar *hashbuffer = (__global uchar *)(padcache + (1024*128 * (get_global_id(0) % MAX_GLOBAL_THREADS)));
uint data[20];
((uint16 *)data)[0] = ((__global const uint16 *)input)[0];
((uint4 *)data)[4] = ((__global const uint4 *)input)[4];
((__global uint8*)hashbuffer)[0] = sha256_80(data,get_global_id(0));
((__global uint8*)hashbuffer)[1] = 0;
for (int i = 2; i < 4096 - 1; i++)
{
uint randmax = i * 32 - 4;
uint randseed[16];
uint randbuffer[16];
uint joint[16];
((uint8*)randseed)[0] = ((__global uint8*)hashbuffer)[i - 2];
((uint8*)randseed)[1] = ((__global uint8*)hashbuffer)[i - 1];
if (i>4)
{
((uint8*)randseed)[0] ^= ((__global uint8*)hashbuffer)[i - 4];
((uint8*)randseed)[1] ^= ((__global uint8*)hashbuffer)[i - 3];
}
((uint16*)randbuffer)[0] = xor_salsa8(((uint16*)randseed)[0]);
((uint8*)joint)[0] = ((__global uint8*)hashbuffer)[i - 1];
for (int j = 0; j < 8; j++)
{
uint rand = randbuffer[j] % (randmax - 32);
((uchar4*)joint)[(j + 8)].x =((__global uchar*)(hashbuffer))[0+rand];
((uchar4*)joint)[(j + 8)].y =((__global uchar*)(hashbuffer))[1+rand];
((uchar4*)joint)[(j + 8)].z =((__global uchar*)(hashbuffer))[2+rand];
((uchar4*)joint)[(j + 8)].w =((__global uchar*)(hashbuffer))[3+rand];
}
((__global uint8*)(hashbuffer))[i] = sha256_64(joint);
(( uint8*)randseed)[0] = ((__global uint8*)(hashbuffer))[i - 1];
(( uint8*)randseed)[1] = ((__global uint8*)(hashbuffer))[i];
if (i>4)
{
((uint8*)randseed)[0] ^= ((__global uint8*)(hashbuffer))[i - 4];
((uint8*)randseed)[1] ^= ((__global uint8*)(hashbuffer))[i - 3];
}
((uint16*)randbuffer)[0] = xor_salsa8(((uint16*)randseed)[0]);
for (int j = 0; j < 32; j += 2)
{
uint rand = randbuffer[j / 2] % randmax;
uchar4 Tohere;
Tohere.x = ((__global uchar*)(hashbuffer))[randmax + j];
Tohere.y = ((__global uchar*)(hashbuffer))[randmax + j + 1];
Tohere.z = ((__global uchar*)(hashbuffer))[randmax + j + 2];
Tohere.w = ((__global uchar*)(hashbuffer))[randmax + j + 3];
((__global uchar*)(hashbuffer))[rand] = Tohere.x;
((__global uchar*)(hashbuffer))[rand+1] = Tohere.y;
((__global uchar*)(hashbuffer))[rand+2] = Tohere.z;
((__global uchar*)(hashbuffer))[rand+3] = Tohere.w;
}
} // main loop
if( ((__global uint *)hashbuffer)[7] <= (target)) {output[atomic_inc(output + 0xFF)] = SWAP32(get_global_id(0));
//printf("gpu hashbuffer %08x nonce %08x\n",((__global uint *)hashbuffer)[7] ,SWAP32(get_global_id(0)));
}
/////////////////////////////////////////////////////////////////
}