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talkcoin-mod

djm34
lasybear 10 years ago
parent
c92443384b
commit
e7228b20f4
5 changed files with 607 additions and 0 deletions
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  1. 1
      Makefile.am
  2. 41
      algorithm.c
  3. 177
      algorithm/talkcoin.c
  4. 10
      algorithm/talkcoin.h
  5. 378
      kernel/talkcoin-mod.cl

1
Makefile.am
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@ -60,6 +60,7 @@ sgminer_SOURCES += algorithm/sifcoin.c algorithm/sifcoin.h @@ -60,6 +60,7 @@ sgminer_SOURCES += algorithm/sifcoin.c algorithm/sifcoin.h
sgminer_SOURCES += algorithm/twecoin.c algorithm/twecoin.h
sgminer_SOURCES += algorithm/marucoin.c algorithm/marucoin.h
sgminer_SOURCES += algorithm/maxcoin.c algorithm/maxcoin.h
sgminer_SOURCES += algorithm/talkcoin.c algorithm/talkcoin.h
bin_SCRIPTS = $(top_srcdir)/kernel/*.cl

41
algorithm.c
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@ -25,6 +25,7 @@ @@ -25,6 +25,7 @@
#include "algorithm/twecoin.h"
#include "algorithm/marucoin.h"
#include "algorithm/maxcoin.h"
#include "algorithm/talkcoin.h"
#include "compat.h"
@ -326,6 +327,44 @@ static cl_int queue_marucoin_mod_old_kernel(struct __clState *clState, struct _d @@ -326,6 +327,44 @@ static cl_int queue_marucoin_mod_old_kernel(struct __clState *clState, struct _d
return status;
}
static cl_int queue_talkcoin_mod_kernel(struct __clState *clState, struct _dev_blk_ctx *blk, __maybe_unused cl_uint threads)
{
cl_kernel *kernel;
unsigned int num;
cl_ulong le_target;
cl_int status = 0;
le_target = *(cl_ulong *)(blk->work->device_target + 24);
flip80(clState->cldata, blk->work->data);
status = clEnqueueWriteBuffer(clState->commandQueue, clState->CLbuffer0, true, 0, 80, clState->cldata, 0, NULL,NULL);
// blake - search
kernel = &clState->kernel;
num = 0;
CL_SET_ARG(clState->CLbuffer0);
CL_SET_ARG(clState->padbuffer8);
// groestl - search1
kernel = clState->extra_kernels;
num = 0;
CL_SET_ARG(clState->padbuffer8);
// jh - search2
kernel++;
num = 0;
CL_SET_ARG(clState->padbuffer8);
// keccak - search3
kernel++;
num = 0;
CL_SET_ARG(clState->padbuffer8);
// skein - search4
kernel++;
num = 0;
CL_SET_ARG(clState->padbuffer8);
CL_SET_ARG(clState->outputBuffer);
CL_SET_ARG(le_target);
return status;
}
typedef struct _algorithm_settings_t {
const char *name; /* Human-readable identifier */
double diff_multiplier1;
@ -383,6 +422,8 @@ static algorithm_settings_t algos[] = { @@ -383,6 +422,8 @@ static algorithm_settings_t algos[] = {
{ "marucoin-mod", 1, 1, 1, 0, 0, 0xFF, 0x00000000ffff0000ULL, 0xFFFFULL, 0x0000ffffUL, 12, 8 * 16 * 4194304, 0, marucoin_regenhash, queue_marucoin_mod_kernel, gen_hash, append_hamsi_compiler_options},
{ "marucoin-modold", 1, 1, 1, 0, 0, 0xFF, 0x00000000ffff0000ULL, 0xFFFFULL, 0x0000ffffUL, 10, 8 * 16 * 4194304, 0, marucoin_regenhash, queue_marucoin_mod_old_kernel, gen_hash, append_hamsi_compiler_options},
{ "talkcoin-mod", 1, 1, 1, 0, 0, 0xFF, 0x00000000ffff0000ULL, 0xFFFFULL, 0x0000ffffUL, 4, 8 * 16 * 4194304, 0, talkcoin_regenhash, queue_talkcoin_mod_kernel, gen_hash, NULL},
// kernels starting from this will have difficulty calculated by using fuguecoin algorithm
#define A_FUGUE(a, b) \
{ a, 1, 256, 256, 0, 0, 0xFF, 0x00000000ffff0000ULL, 0xFFFFULL, 0x0000ffffUL, 0, 0, CL_QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE, b, queue_sph_kernel, sha256, NULL}

177
algorithm/talkcoin.c
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@ -0,0 +1,177 @@ @@ -0,0 +1,177 @@
/*-
* Copyright 2014 phm
* 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.
*/
#include "config.h"
#include "miner.h"
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include "sph/sph_blake.h"
#include "sph/sph_groestl.h"
#include "sph/sph_jh.h"
#include "sph/sph_keccak.h"
#include "sph/sph_skein.h"
/* Move init out of loop, so init once externally, and then use one single memcpy with that bigger memory block */
typedef struct {
sph_blake512_context blake1;
sph_groestl512_context groestl1;
sph_jh512_context jh1;
sph_keccak512_context keccak1;
sph_skein512_context skein1;
} Xhash_context_holder;
Xhash_context_holder base_contexts;
void init_Nhash_contexts()
{
sph_blake512_init(&base_contexts.blake1);
sph_groestl512_init(&base_contexts.groestl1);
sph_jh512_init(&base_contexts.jh1);
sph_keccak512_init(&base_contexts.keccak1);
sph_skein512_init(&base_contexts.skein1);
}
/*
* Encode a length len/4 vector of (uint32_t) into a length len vector of
* (unsigned char) in big-endian form. Assumes len is a multiple of 4.
*/
static inline void
be32enc_vect(uint32_t *dst, const uint32_t *src, uint32_t len)
{
uint32_t i;
for (i = 0; i < len; i++)
dst[i] = htobe32(src[i]);
}
inline void talkhash(void *state, const void *input)
{
init_Nhash_contexts();
Xhash_context_holder ctx;
uint32_t hashA[16], hashB[16];
//blake-bmw-groestl-sken-jh-meccak-luffa-cubehash-shivite-simd-echo
memcpy(&ctx, &base_contexts, sizeof(base_contexts));
sph_blake512 (&ctx.blake1, input, 80);
sph_blake512_close (&ctx.blake1, hashA);
sph_groestl512 (&ctx.groestl1, hashA, 64);
sph_groestl512_close(&ctx.groestl1, hashB);
sph_jh512 (&ctx.jh1, hashB, 64);
sph_jh512_close(&ctx.jh1, hashA);
sph_keccak512 (&ctx.keccak1, hashA, 64);
sph_keccak512_close(&ctx.keccak1, hashB);
sph_skein512 (&ctx.skein1, hashB, 64);
sph_skein512_close(&ctx.skein1, hashA);
memcpy(state, hashA, 32);
}
static const uint32_t diff1targ = 0x0000ffff;
/* Used externally as confirmation of correct OCL code */
int talkcoin_test(unsigned char *pdata, const unsigned char *ptarget, uint32_t nonce)
{
uint32_t tmp_hash7, Htarg = le32toh(((const uint32_t *)ptarget)[7]);
uint32_t data[20], ohash[8];
be32enc_vect(data, (const uint32_t *)pdata, 19);
data[19] = htobe32(nonce);
talkhash(ohash, data);
tmp_hash7 = be32toh(ohash[7]);
applog(LOG_DEBUG, "htarget %08lx diff1 %08lx hash %08lx",
(long unsigned int)Htarg,
(long unsigned int)diff1targ,
(long unsigned int)tmp_hash7);
if (tmp_hash7 > diff1targ)
return -1;
if (tmp_hash7 > Htarg)
return 0;
return 1;
}
void talkcoin_regenhash(struct work *work)
{
uint32_t data[20];
uint32_t *nonce = (uint32_t *)(work->data + 76);
uint32_t *ohash = (uint32_t *)(work->hash);
be32enc_vect(data, (const uint32_t *)work->data, 19);
data[19] = htobe32(*nonce);
talkhash(ohash, data);
}
bool scanhash_talkcoin(struct thr_info *thr, const unsigned char __maybe_unused *pmidstate,
unsigned char *pdata, unsigned char __maybe_unused *phash1,
unsigned char __maybe_unused *phash, const unsigned char *ptarget,
uint32_t max_nonce, uint32_t *last_nonce, uint32_t n)
{
uint32_t *nonce = (uint32_t *)(pdata + 76);
uint32_t data[20];
uint32_t tmp_hash7;
uint32_t Htarg = le32toh(((const uint32_t *)ptarget)[7]);
bool ret = false;
be32enc_vect(data, (const uint32_t *)pdata, 19);
while(1) {
uint32_t ostate[8];
*nonce = ++n;
data[19] = (n);
talkhash(ostate, data);
tmp_hash7 = (ostate[7]);
applog(LOG_INFO, "data7 %08lx",
(long unsigned int)data[7]);
if (unlikely(tmp_hash7 <= Htarg)) {
((uint32_t *)pdata)[19] = htobe32(n);
*last_nonce = n;
ret = true;
break;
}
if (unlikely((n >= max_nonce) || thr->work_restart)) {
*last_nonce = n;
break;
}
}
return ret;
}

10
algorithm/talkcoin.h
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@ -0,0 +1,10 @@ @@ -0,0 +1,10 @@
#ifndef TALKCOIN_H
#define TALKCOIN_H
#include "miner.h"
extern int talkcoin_test(unsigned char *pdata, const unsigned char *ptarget,
uint32_t nonce);
extern void talkcoin_regenhash(struct work *work);
#endif /* TALKCOIN_H */

378
kernel/talkcoin-mod.cl
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@ -0,0 +1,378 @@ @@ -0,0 +1,378 @@
/*
* TalkCoin kernel implementation.
*
* ==========================(LICENSE BEGIN)============================
*
* Copyright (c) 2014 phm
*
* 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 phm <phm@inbox.com>
*/
#ifndef TALKCOIN_MOD_CL
#define TALKCOIN_MOD_CL
#if __ENDIAN_LITTLE__
#define SPH_LITTLE_ENDIAN 1
#else
#define SPH_BIG_ENDIAN 1
#endif
#define SPH_UPTR sph_u64
typedef unsigned int sph_u32;
typedef int sph_s32;
#ifndef __OPENCL_VERSION__
typedef unsigned long long sph_u64;
typedef long long sph_s64;
#else
typedef unsigned long sph_u64;
typedef long sph_s64;
#endif
#define SPH_64 1
#define SPH_64_TRUE 1
#define SPH_C32(x) ((sph_u32)(x ## U))
#define SPH_T32(x) ((x) & SPH_C32(0xFFFFFFFF))
#define SPH_ROTL32(x, n) SPH_T32(((x) << (n)) | ((x) >> (32 - (n))))
#define SPH_ROTR32(x, n) SPH_ROTL32(x, (32 - (n)))
#define SPH_C64(x) ((sph_u64)(x ## UL))
#define SPH_T64(x) ((x) & SPH_C64(0xFFFFFFFFFFFFFFFF))
#define SPH_ROTL64(x, n) SPH_T64(((x) << (n)) | ((x) >> (64 - (n))))
#define SPH_ROTR64(x, n) SPH_ROTL64(x, (64 - (n)))
#define SPH_COMPACT_BLAKE_64 0
#define SPH_GROESTL_BIG_ENDIAN 0
#define SPH_SMALL_FOOTPRINT_GROESTL 0
#define SPH_JH_64 1
#define SPH_KECCAK_64 1
#define SPH_KECCAK_NOCOPY 0
#define SPH_KECCAK_UNROLL 0
#include "blake.cl"
#include "groestl.cl"
#include "jh.cl"
#include "keccak.cl"
#include "skein.cl"
#define SWAP4(x) as_uint(as_uchar4(x).wzyx)
#define SWAP8(x) as_ulong(as_uchar8(x).s76543210)
#if SPH_BIG_ENDIAN
#define DEC64E(x) (x)
#define DEC64BE(x) (*(const __global sph_u64 *) (x));
#else
#define DEC64E(x) SWAP8(x)
#define DEC64BE(x) SWAP8(*(const __global sph_u64 *) (x));
#endif
typedef union {
unsigned char h1[64];
uint h4[16];
ulong h8[8];
} hash_t;
// blake
__attribute__((reqd_work_group_size(WORKSIZE, 1, 1)))
__kernel void search(__global unsigned char* block, __global hash_t* hashes)
{
uint gid = get_global_id(0);
__global hash_t *hash = &(hashes[gid-get_global_offset(0)]);
sph_u64 H0 = SPH_C64(0x6A09E667F3BCC908), H1 = SPH_C64(0xBB67AE8584CAA73B);
sph_u64 H2 = SPH_C64(0x3C6EF372FE94F82B), H3 = SPH_C64(0xA54FF53A5F1D36F1);
sph_u64 H4 = SPH_C64(0x510E527FADE682D1), H5 = SPH_C64(0x9B05688C2B3E6C1F);
sph_u64 H6 = SPH_C64(0x1F83D9ABFB41BD6B), H7 = SPH_C64(0x5BE0CD19137E2179);
sph_u64 S0 = 0, S1 = 0, S2 = 0, S3 = 0;
sph_u64 T0 = SPH_C64(0xFFFFFFFFFFFFFC00) + (80 << 3), T1 = 0xFFFFFFFFFFFFFFFF;;
if ((T0 = SPH_T64(T0 + 1024)) < 1024)
{
T1 = SPH_T64(T1 + 1);
}
sph_u64 M0, M1, M2, M3, M4, M5, M6, M7;
sph_u64 M8, M9, MA, MB, MC, MD, ME, MF;
sph_u64 V0, V1, V2, V3, V4, V5, V6, V7;
sph_u64 V8, V9, VA, VB, VC, VD, VE, VF;
M0 = DEC64BE(block + 0);
M1 = DEC64BE(block + 8);
M2 = DEC64BE(block + 16);
M3 = DEC64BE(block + 24);
M4 = DEC64BE(block + 32);
M5 = DEC64BE(block + 40);
M6 = DEC64BE(block + 48);
M7 = DEC64BE(block + 56);
M8 = DEC64BE(block + 64);
M9 = DEC64BE(block + 72);
M9 &= 0xFFFFFFFF00000000;
M9 ^= SWAP4(gid);
MA = 0x8000000000000000;
MB = 0;
MC = 0;
MD = 1;
ME = 0;
MF = 0x280;
COMPRESS64;
hash->h8[0] = H0;
hash->h8[1] = H1;
hash->h8[2] = H2;
hash->h8[3] = H3;
hash->h8[4] = H4;
hash->h8[5] = H5;
hash->h8[6] = H6;
hash->h8[7] = H7;
barrier(CLK_GLOBAL_MEM_FENCE);
}
// groestl
__attribute__((reqd_work_group_size(WORKSIZE, 1, 1)))
__kernel void search1(__global hash_t* hashes)
{
uint gid = get_global_id(0);
__global hash_t *hash = &(hashes[gid-get_global_offset(0)]);
__local sph_u64 T0_L[256], T1_L[256], T2_L[256], T3_L[256], T4_L[256], T5_L[256], T6_L[256], T7_L[256];
int init = get_local_id(0);
int step = get_local_size(0);
for (int i = init; i < 256; i += step)
{
T0_L[i] = T0[i];
T1_L[i] = T1[i];
T2_L[i] = T2[i];
T3_L[i] = T3[i];
T4_L[i] = T4[i];
T5_L[i] = T5[i];
T6_L[i] = T6[i];
T7_L[i] = T7[i];
}
barrier(CLK_LOCAL_MEM_FENCE);
#define T0 T0_L
#define T1 T1_L
#define T2 T2_L
#define T3 T3_L
#define T4 T4_L
#define T5 T5_L
#define T6 T6_L
#define T7 T7_L
sph_u64 H[16];
for (unsigned int u = 0; u < 15; u ++)
H[u] = 0;
#if USE_LE
H[15] = ((sph_u64)(512 & 0xFF) << 56) | ((sph_u64)(512 & 0xFF00) << 40);
#else
H[15] = (sph_u64)512;
#endif
sph_u64 g[16], m[16];
m[0] = DEC64E(hash->h8[0]);
m[1] = DEC64E(hash->h8[1]);
m[2] = DEC64E(hash->h8[2]);
m[3] = DEC64E(hash->h8[3]);
m[4] = DEC64E(hash->h8[4]);
m[5] = DEC64E(hash->h8[5]);
m[6] = DEC64E(hash->h8[6]);
m[7] = DEC64E(hash->h8[7]);
for (unsigned int u = 0; u < 16; u ++)
g[u] = m[u] ^ H[u];
m[8] = 0x80; g[8] = m[8] ^ H[8];
m[9] = 0; g[9] = m[9] ^ H[9];
m[10] = 0; g[10] = m[10] ^ H[10];
m[11] = 0; g[11] = m[11] ^ H[11];
m[12] = 0; g[12] = m[12] ^ H[12];
m[13] = 0; g[13] = m[13] ^ H[13];
m[14] = 0; g[14] = m[14] ^ H[14];
m[15] = 0x100000000000000; g[15] = m[15] ^ H[15];
PERM_BIG_P(g);
PERM_BIG_Q(m);
for (unsigned int u = 0; u < 16; u ++)
H[u] ^= g[u] ^ m[u];
sph_u64 xH[16];
for (unsigned int u = 0; u < 16; u ++)
xH[u] = H[u];
PERM_BIG_P(xH);
for (unsigned int u = 0; u < 16; u ++)
H[u] ^= xH[u];
for (unsigned int u = 0; u < 8; u ++)
hash->h8[u] = DEC64E(H[u + 8]);
barrier(CLK_GLOBAL_MEM_FENCE);
}
// jh
__attribute__((reqd_work_group_size(WORKSIZE, 1, 1)))
__kernel void search2(__global hash_t* hashes)
{
uint gid = get_global_id(0);
__global hash_t *hash = &(hashes[gid-get_global_offset(0)]);
sph_u64 h0h = C64e(0x6fd14b963e00aa17), h0l = C64e(0x636a2e057a15d543), h1h = C64e(0x8a225e8d0c97ef0b), h1l = C64e(0xe9341259f2b3c361), h2h = C64e(0x891da0c1536f801e), h2l = C64e(0x2aa9056bea2b6d80), h3h = C64e(0x588eccdb2075baa6), h3l = C64e(0xa90f3a76baf83bf7);
sph_u64 h4h = C64e(0x0169e60541e34a69), h4l = C64e(0x46b58a8e2e6fe65a), h5h = C64e(0x1047a7d0c1843c24), h5l = C64e(0x3b6e71b12d5ac199), h6h = C64e(0xcf57f6ec9db1f856), h6l = C64e(0xa706887c5716b156), h7h = C64e(0xe3c2fcdfe68517fb), h7l = C64e(0x545a4678cc8cdd4b);
sph_u64 tmp;
for(int i = 0; i < 2; i++)
{
if (i == 0) {
h0h ^= DEC64E(hash->h8[0]);
h0l ^= DEC64E(hash->h8[1]);
h1h ^= DEC64E(hash->h8[2]);
h1l ^= DEC64E(hash->h8[3]);
h2h ^= DEC64E(hash->h8[4]);
h2l ^= DEC64E(hash->h8[5]);
h3h ^= DEC64E(hash->h8[6]);
h3l ^= DEC64E(hash->h8[7]);
} else if(i == 1) {
h4h ^= DEC64E(hash->h8[0]);
h4l ^= DEC64E(hash->h8[1]);
h5h ^= DEC64E(hash->h8[2]);
h5l ^= DEC64E(hash->h8[3]);
h6h ^= DEC64E(hash->h8[4]);
h6l ^= DEC64E(hash->h8[5]);
h7h ^= DEC64E(hash->h8[6]);
h7l ^= DEC64E(hash->h8[7]);
h0h ^= 0x80;
h3l ^= 0x2000000000000;
}
E8;
}
h4h ^= 0x80;
h7l ^= 0x2000000000000;
hash->h8[0] = DEC64E(h4h);
hash->h8[1] = DEC64E(h4l);
hash->h8[2] = DEC64E(h5h);
hash->h8[3] = DEC64E(h5l);
hash->h8[4] = DEC64E(h6h);
hash->h8[5] = DEC64E(h6l);
hash->h8[6] = DEC64E(h7h);
hash->h8[7] = DEC64E(h7l);
barrier(CLK_GLOBAL_MEM_FENCE);
}
// keccak
__attribute__((reqd_work_group_size(WORKSIZE, 1, 1)))
__kernel void search3(__global hash_t* hashes)
{
uint gid = get_global_id(0);
__global hash_t *hash = &(hashes[gid-get_global_offset(0)]);
// keccak
sph_u64 a00 = 0, a01 = 0, a02 = 0, a03 = 0, a04 = 0;
sph_u64 a10 = 0, a11 = 0, a12 = 0, a13 = 0, a14 = 0;
sph_u64 a20 = 0, a21 = 0, a22 = 0, a23 = 0, a24 = 0;
sph_u64 a30 = 0, a31 = 0, a32 = 0, a33 = 0, a34 = 0;
sph_u64 a40 = 0, a41 = 0, a42 = 0, a43 = 0, a44 = 0;
a10 = SPH_C64(0xFFFFFFFFFFFFFFFF);
a20 = SPH_C64(0xFFFFFFFFFFFFFFFF);
a31 = SPH_C64(0xFFFFFFFFFFFFFFFF);
a22 = SPH_C64(0xFFFFFFFFFFFFFFFF);
a23 = SPH_C64(0xFFFFFFFFFFFFFFFF);
a04 = SPH_C64(0xFFFFFFFFFFFFFFFF);
a00 ^= SWAP8(hash->h8[0]);
a10 ^= SWAP8(hash->h8[1]);
a20 ^= SWAP8(hash->h8[2]);
a30 ^= SWAP8(hash->h8[3]);
a40 ^= SWAP8(hash->h8[4]);
a01 ^= SWAP8(hash->h8[5]);
a11 ^= SWAP8(hash->h8[6]);
a21 ^= SWAP8(hash->h8[7]);
a31 ^= 0x8000000000000001;
KECCAK_F_1600;
// Finalize the "lane complement"
a10 = ~a10;
a20 = ~a20;
hash->h8[0] = SWAP8(a00);
hash->h8[1] = SWAP8(a10);
hash->h8[2] = SWAP8(a20);
hash->h8[3] = SWAP8(a30);
hash->h8[4] = SWAP8(a40);
hash->h8[5] = SWAP8(a01);
hash->h8[6] = SWAP8(a11);
hash->h8[7] = SWAP8(a21);
barrier(CLK_GLOBAL_MEM_FENCE);
}
// skein
__attribute__((reqd_work_group_size(WORKSIZE, 1, 1)))
__kernel void search4(__global hash_t* hashes, __global uint* output, const ulong target)
{
uint gid = get_global_id(0);
uint offset = get_global_offset(0);
hash_t hash;
__global hash_t *hashp = &(hashes[gid-offset]);
for (int i = 0; i < 8; i++) {
hash.h8[i] = hashes[gid-offset].h8[i];
}
sph_u64 h0 = SPH_C64(0x4903ADFF749C51CE), h1 = SPH_C64(0x0D95DE399746DF03), h2 = SPH_C64(0x8FD1934127C79BCE), h3 = SPH_C64(0x9A255629FF352CB1), h4 = SPH_C64(0x5DB62599DF6CA7B0), h5 = SPH_C64(0xEABE394CA9D5C3F4), h6 = SPH_C64(0x991112C71A75B523), h7 = SPH_C64(0xAE18A40B660FCC33);
sph_u64 m0, m1, m2, m3, m4, m5, m6, m7;
sph_u64 bcount = 0;
m0 = SWAP8(hash.h8[0]);
m1 = SWAP8(hash.h8[1]);
m2 = SWAP8(hash.h8[2]);
m3 = SWAP8(hash.h8[3]);
m4 = SWAP8(hash.h8[4]);
m5 = SWAP8(hash.h8[5]);
m6 = SWAP8(hash.h8[6]);
m7 = SWAP8(hash.h8[7]);
UBI_BIG(480, 64);
bcount = 0;
m0 = m1 = m2 = m3 = m4 = m5 = m6 = m7 = 0;
UBI_BIG(510, 8);
hash.h8[0] = SWAP8(h0);
hash.h8[1] = SWAP8(h1);
hash.h8[2] = SWAP8(h2);
hash.h8[3] = SWAP8(h3);
hash.h8[4] = SWAP8(h4);
hash.h8[5] = SWAP8(h5);
hash.h8[6] = SWAP8(h6);
hash.h8[7] = SWAP8(h7);
bool result = (SWAP8(hash.h8[3]) <= target);
if (result)
output[atomic_inc(output+0xFF)] = SWAP4(gid);
}
#endif // TALKCOIN_MOD_CL
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