AstroBWT OpenCL code

This commit is contained in:
SChernykh 2020-03-22 22:36:21 +01:00
parent 50eb7ba2fd
commit fbedf197ab
34 changed files with 2106 additions and 6 deletions

View file

@ -36,6 +36,10 @@
# include "backend/opencl/cl/rx/randomx_cl.h"
#endif
#ifdef XMRIG_ALGO_ASTROBWT
# include "backend/opencl/cl/astrobwt/astrobwt_cl.h"
#endif
const char *xmrig::OclSource::get(const Algorithm &algorithm)
{
@ -45,6 +49,12 @@ const char *xmrig::OclSource::get(const Algorithm &algorithm)
}
# endif
# ifdef XMRIG_ALGO_ASTROBWT
if (algorithm.family() == Algorithm::ASTROBWT) {
return astrobwt_cl;
}
# endif
# ifdef XMRIG_ALGO_CN_GPU
if (algorithm == Algorithm::CN_GPU) {
return cryptonight_gpu_cl;

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@ -0,0 +1,199 @@
/* XMRig
* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
* Copyright 2017-2018 XMR-Stak <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
* Copyright 2018-2020 SChernykh <https://github.com/SChernykh>
* Copyright 2016-2020 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define STAGE1_SIZE 147253
#define COUNTING_SORT_BITS 11
#define COUNTING_SORT_SIZE (1 << COUNTING_SORT_BITS)
#define FINAL_SORT_BATCH_SIZE COUNTING_SORT_SIZE
#define FINAL_SORT_OVERLAP_SIZE 32
__attribute__((reqd_work_group_size(BWT_GROUP_SIZE, 1, 1)))
__kernel void BWT(__global uint8_t* datas, __global uint32_t* data_sizes, uint32_t data_stride, __global uint64_t* indices, __global uint64_t* tmp_indices)
{
const uint32_t tid = get_local_id(0);
const uint32_t gid = get_group_id(0);
__local int counters[COUNTING_SORT_SIZE][2];
for (uint32_t i = tid; i < COUNTING_SORT_SIZE * 2; i += BWT_GROUP_SIZE)
((__local int*)counters)[i] = 0;
const uint64_t data_offset = (uint64_t)(gid) * data_stride;
__global uint8_t* input = datas + data_offset + 128;
const uint32_t N = data_sizes[gid] + 1;
__global uint64_t* p = (__global uint64_t*)(input);
volatile __local uint8_t* counters_atomic = (volatile __local uint8_t*)(counters);
indices += data_offset;
tmp_indices += data_offset;
for (uint32_t i = tid; i < N; i += BWT_GROUP_SIZE)
{
const uint32_t index = i >> 3;
const uint32_t bit_offset = (i & 7) << 3;
const uint64_t a = p[index];
uint64_t b = p[index + 1];
if (bit_offset == 0)
b = 0;
uint64_t value = (a >> bit_offset) | (b << (64 - bit_offset));
uint2 tmp;
const uchar4 mask = (uchar4)(3, 2, 1, 0);
tmp.x = as_uint(shuffle(as_uchar4(as_uint2(value).y), mask));
tmp.y = as_uint(shuffle(as_uchar4(as_uint2(value).x), mask));
value = as_ulong(tmp);
indices[i] = (value & ((uint64_t)(-1) << 21)) | i;
atomic_add((volatile __local int*)(counters_atomic + (((value >> (64 - COUNTING_SORT_BITS * 2)) & (COUNTING_SORT_SIZE - 1)) << 3)), 1);
atomic_add((volatile __local int*)(counters_atomic + ((value >> (64 - COUNTING_SORT_BITS)) << 3) + 4), 1);
}
if (tid == 0)
{
int t0 = counters[0][0];
int t1 = counters[0][1];
counters[0][0] = t0 - 1;
counters[0][1] = t1 - 1;
for (uint32_t i = 1; i < COUNTING_SORT_SIZE; ++i)
{
t0 += counters[i][0];
t1 += counters[i][1];
counters[i][0] = t0 - 1;
counters[i][1] = t1 - 1;
}
}
for (int i = tid; i < N; i += BWT_GROUP_SIZE)
{
const uint64_t data = indices[i];
const int k = atomic_sub((volatile __local int*)(counters_atomic + (((data >> (64 - COUNTING_SORT_BITS * 2)) & (COUNTING_SORT_SIZE - 1)) << 3)), 1);
tmp_indices[k] = data;
}
for (int i = N - 1 - tid; i >= 0; i -= BWT_GROUP_SIZE)
{
const uint64_t data = tmp_indices[i];
const int k = atomic_sub((volatile __local int*)(counters_atomic + ((data >> (64 - COUNTING_SORT_BITS)) << 3) + 4), 1);
indices[k] = data;
}
__local uint64_t* buf = (__local uint64_t*)(counters);
for (uint32_t i = 0; i < N; i += FINAL_SORT_BATCH_SIZE - FINAL_SORT_OVERLAP_SIZE)
{
const uint32_t len = (N - i < FINAL_SORT_BATCH_SIZE) ? (N - i) : FINAL_SORT_BATCH_SIZE;
for (uint32_t j = tid; j < len; j += BWT_GROUP_SIZE)
buf[j] = indices[i + j];
if (tid == 0)
{
uint64_t prev_t = buf[0];
for (int i = 1; i < len; ++i)
{
uint64_t t = buf[i];
if (t < prev_t)
{
const uint64_t t2 = prev_t;
int j = i - 1;
do
{
buf[j + 1] = prev_t;
--j;
if (j < 0)
break;
prev_t = buf[j];
} while (t < prev_t);
buf[j + 1] = t;
t = t2;
}
prev_t = t;
}
}
for (uint32_t j = tid; j < len; j += BWT_GROUP_SIZE)
indices[i + j] = buf[j];
}
--input;
__global uint8_t* output = (__global uint8_t*)(tmp_indices);
for (int i = tid; i <= N; i += BWT_GROUP_SIZE)
output[i] = input[indices[i] & ((1 << 21) - 1)];
}
__kernel void filter(uint32_t nonce, uint32_t bwt_max_size, __global const uint32_t* hashes, __global uint32_t* filtered_hashes)
{
const uint32_t global_id = get_global_id(0);
__global const uint32_t* hash = hashes + global_id * (32 / sizeof(uint32_t));
const uint32_t stage2_size = STAGE1_SIZE + (*hash & 0xfffff);
if (stage2_size < bwt_max_size)
{
const int index = atomic_add((volatile __global int*)(filtered_hashes), 1) * (36 / sizeof(uint32_t)) + 1;
filtered_hashes[index] = nonce + global_id;
#pragma unroll(8)
for (uint32_t i = 0; i < 8; ++i)
filtered_hashes[index + i + 1] = hash[i];
}
}
__kernel void prepare_batch2(__global uint32_t* hashes, __global uint32_t* filtered_hashes, __global uint32_t* data_sizes)
{
const uint32_t global_id = get_global_id(0);
const uint32_t N = filtered_hashes[0] - get_global_size(0);
if (global_id == 0)
filtered_hashes[0] = N;
__global uint32_t* hash = hashes + global_id * 8;
__global uint32_t* filtered_hash = filtered_hashes + (global_id + N) * 9 + 1;
const uint32_t stage2_size = STAGE1_SIZE + (filtered_hash[1] & 0xfffff);
data_sizes[global_id] = stage2_size;
#pragma unroll(8)
for (uint32_t i = 0; i < 8; ++i)
hash[i] = filtered_hash[i + 1];
}
__kernel void find_shares(__global const uint64_t* hashes, __global const uint32_t* filtered_hashes, uint64_t target, __global uint32_t* shares)
{
const uint32_t global_index = get_global_id(0);
if (hashes[global_index * 4 + 3] < target)
{
const uint32_t idx = atomic_inc(shares + 0xFF);
if (idx < 0xFF)
shares[idx] = filtered_hashes[(filtered_hashes[0] + global_index) * 9 + 1];
}
}

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@ -0,0 +1,35 @@
/* XMRig
* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
* Copyright 2017-2018 XMR-Stak <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
* Copyright 2018-2020 SChernykh <https://github.com/SChernykh>
* Copyright 2016-2020 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
typedef uchar uint8_t;
typedef ushort uint16_t;
typedef uint uint32_t;
typedef ulong uint64_t;
typedef int int32_t;
typedef long int64_t;
#include "BWT.cl"
#include "salsa20.cl"
#include "sha3.cl"

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@ -0,0 +1,395 @@
#pragma once
namespace xmrig {
static char astrobwt_cl[12378] = {
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0x74,0x29,0x29,0x3b,0x0a,0x68,0x61,0x73,0x68,0x65,0x73,0x5b,0x74,0x5d,0x3d,0x41,0x5b,0x74,0x5d,0x3b,0x0a,0x7d,0x0a,0x7d,0x0a,0x00
};
} // namespace xmrig

View file

@ -0,0 +1,153 @@
/* XMRig
* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
* Copyright 2017-2018 XMR-Stak <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
* Copyright 2018-2020 SChernykh <https://github.com/SChernykh>
* Copyright 2016-2020 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define ROTATE(v,c) (rotate(v,(uint32_t)c))
#define XOR(v,w) ((v) ^ (w))
#define PLUS(v,w) ((v) + (w))
__attribute__((reqd_work_group_size(SALSA20_GROUP_SIZE, 1, 1)))
__kernel void Salsa20_XORKeyStream(__global const uint32_t* keys, __global uint32_t* outputs, __global uint32_t* output_sizes, uint32_t output_stride)
{
const uint32_t t = get_local_id(0);
const uint32_t g = get_group_id(0);
// Put zeroes in the beginning
const uint64_t output_offset = g * ((uint64_t)output_stride) + 128;
{
__global uint32_t* p = outputs + (output_offset - 128) / sizeof(uint32_t);
for (uint32_t i = t; i < 128 / sizeof(uint32_t); i += SALSA20_GROUP_SIZE)
p[i] = 0;
}
__global const uint32_t* k = keys + g * 8;
__global uint32_t* output = outputs + (output_offset + (t * 64)) / sizeof(uint32_t);
const uint32_t output_size = output_sizes[g];
const uint32_t j1 = k[0];
const uint32_t j2 = k[1];
const uint32_t j3 = k[2];
const uint32_t j4 = k[3];
const uint32_t j11 = k[4];
const uint32_t j12 = k[5];
const uint32_t j13 = k[6];
const uint32_t j14 = k[7];
const uint32_t j0 = 0x61707865U;
const uint32_t j5 = 0x3320646EU;
const uint32_t j10 = 0x79622D32U;
const uint32_t j15 = 0x6B206574U;
const uint32_t j6 = 0;
const uint32_t j7 = 0;
const uint32_t j8 = 0;
const uint32_t j9 = 0;
for (uint32_t i = t * 64; i < output_size; i += SALSA20_GROUP_SIZE * 64)
{
const uint32_t j8_1 = j8 + (i / 64);
uint32_t x0 = j0;
uint32_t x1 = j1;
uint32_t x2 = j2;
uint32_t x3 = j3;
uint32_t x4 = j4;
uint32_t x5 = j5;
uint32_t x6 = j6;
uint32_t x7 = j7;
uint32_t x8 = j8_1;
uint32_t x9 = j9;
uint32_t x10 = j10;
uint32_t x11 = j11;
uint32_t x12 = j12;
uint32_t x13 = j13;
uint32_t x14 = j14;
uint32_t x15 = j15;
#pragma unroll(5)
for (uint32_t j = 0; j < 10; ++j)
{
x4 = XOR( x4,ROTATE(PLUS( x0,x12), 7));
x8 = XOR( x8,ROTATE(PLUS( x4, x0), 9));
x12 = XOR(x12,ROTATE(PLUS( x8, x4),13));
x0 = XOR( x0,ROTATE(PLUS(x12, x8),18));
x9 = XOR( x9,ROTATE(PLUS( x5, x1), 7));
x13 = XOR(x13,ROTATE(PLUS( x9, x5), 9));
x1 = XOR( x1,ROTATE(PLUS(x13, x9),13));
x5 = XOR( x5,ROTATE(PLUS( x1,x13),18));
x14 = XOR(x14,ROTATE(PLUS(x10, x6), 7));
x2 = XOR( x2,ROTATE(PLUS(x14,x10), 9));
x6 = XOR( x6,ROTATE(PLUS( x2,x14),13));
x10 = XOR(x10,ROTATE(PLUS( x6, x2),18));
x3 = XOR( x3,ROTATE(PLUS(x15,x11), 7));
x7 = XOR( x7,ROTATE(PLUS( x3,x15), 9));
x11 = XOR(x11,ROTATE(PLUS( x7, x3),13));
x15 = XOR(x15,ROTATE(PLUS(x11, x7),18));
x1 = XOR( x1,ROTATE(PLUS( x0, x3), 7));
x2 = XOR( x2,ROTATE(PLUS( x1, x0), 9));
x3 = XOR( x3,ROTATE(PLUS( x2, x1),13));
x0 = XOR( x0,ROTATE(PLUS( x3, x2),18));
x6 = XOR( x6,ROTATE(PLUS( x5, x4), 7));
x7 = XOR( x7,ROTATE(PLUS( x6, x5), 9));
x4 = XOR( x4,ROTATE(PLUS( x7, x6),13));
x5 = XOR( x5,ROTATE(PLUS( x4, x7),18));
x11 = XOR(x11,ROTATE(PLUS(x10, x9), 7));
x8 = XOR( x8,ROTATE(PLUS(x11,x10), 9));
x9 = XOR( x9,ROTATE(PLUS( x8,x11),13));
x10 = XOR(x10,ROTATE(PLUS( x9, x8),18));
x12 = XOR(x12,ROTATE(PLUS(x15,x14), 7));
x13 = XOR(x13,ROTATE(PLUS(x12,x15), 9));
x14 = XOR(x14,ROTATE(PLUS(x13,x12),13));
x15 = XOR(x15,ROTATE(PLUS(x14,x13),18));
}
output[0] = PLUS(x0, j0);
output[1] = PLUS(x1, j1);
output[2] = PLUS(x2, j2);
output[3] = PLUS(x3, j3);
output[4] = PLUS(x4, j4);
output[5] = PLUS(x5, j5);
output[6] = PLUS(x6, j6);
output[7] = PLUS(x7, j7);
output[8] = PLUS(x8, j8_1);
output[9] = PLUS(x9, j9);
output[10] = PLUS(x10,j10);
output[11] = PLUS(x11,j11);
output[12] = PLUS(x12,j12);
output[13] = PLUS(x13,j13);
output[14] = PLUS(x14,j14);
output[15] = PLUS(x15,j15);
output += (SALSA20_GROUP_SIZE * 64) / sizeof(uint32_t);
}
barrier(CLK_GLOBAL_MEM_FENCE);
// Put zeroes after output's end
if (t < 16)
{
__global uint32_t* p = outputs + (output_offset + output_size + 3) / sizeof(uint32_t);
p[t] = 0;
}
if ((t == 0) && (output_size & 3))
outputs[(output_offset + output_size) / sizeof(uint32_t)] &= 0xFFFFFFFFU >> ((4 - (output_size & 3)) << 3);
}

View file

@ -0,0 +1,198 @@
/* XMRig
* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
* Copyright 2017-2018 XMR-Stak <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
* Copyright 2018-2020 SChernykh <https://github.com/SChernykh>
* Copyright 2016-2020 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define ROUNDS 24
#define R64(a,b,c) (((a) << b) | ((a) >> c))
__constant const uint64_t rc[2][ROUNDS] = {
{0x0000000000000001UL, 0x0000000000008082UL, 0x800000000000808AUL,
0x8000000080008000UL, 0x000000000000808BUL, 0x0000000080000001UL,
0x8000000080008081UL, 0x8000000000008009UL, 0x000000000000008AUL,
0x0000000000000088UL, 0x0000000080008009UL, 0x000000008000000AUL,
0x000000008000808BUL, 0x800000000000008BUL, 0x8000000000008089UL,
0x8000000000008003UL, 0x8000000000008002UL, 0x8000000000000080UL,
0x000000000000800AUL, 0x800000008000000AUL, 0x8000000080008081UL,
0x8000000000008080UL, 0x0000000080000001UL, 0x8000000080008008UL},
{0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL,
0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL,
0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL}
};
__constant const int ro[25][2] = {
{ 0,64}, {44,20}, {43,21}, {21,43}, {14,50},
{ 1,63}, { 6,58}, {25,39}, { 8,56}, {18,46},
{62, 2}, {55, 9}, {39,25}, {41,23}, { 2,62},
{28,36}, {20,44}, { 3,61}, {45,19}, {61, 3},
{27,37}, {36,28}, {10,54}, {15,49}, {56, 8}
};
__constant const int a[25] = {
0, 6, 12, 18, 24,
1, 7, 13, 19, 20,
2, 8, 14, 15, 21,
3, 9, 10, 16, 22,
4, 5, 11, 17, 23
};
__constant const int b[25] = {
0, 1, 2, 3, 4,
1, 2, 3, 4, 0,
2, 3, 4, 0, 1,
3, 4, 0, 1, 2,
4, 0, 1, 2, 3
};
__constant const int c[25][3] = {
{ 0, 1, 2}, { 1, 2, 3}, { 2, 3, 4}, { 3, 4, 0}, { 4, 0, 1},
{ 5, 6, 7}, { 6, 7, 8}, { 7, 8, 9}, { 8, 9, 5}, { 9, 5, 6},
{10,11,12}, {11,12,13}, {12,13,14}, {13,14,10}, {14,10,11},
{15,16,17}, {16,17,18}, {17,18,19}, {18,19,15}, {19,15,16},
{20,21,22}, {21,22,23}, {22,23,24}, {23,24,20}, {24,20,21}
};
__constant const int d[25] = {
0, 1, 2, 3, 4,
10, 11, 12, 13, 14,
20, 21, 22, 23, 24,
5, 6, 7, 8, 9,
15, 16, 17, 18, 19
};
__attribute__((reqd_work_group_size(32, 1, 1)))
__kernel void sha3(__global const uint8_t* inputs, __global const uint32_t* input_sizes, uint32_t input_stride, __global uint64_t* hashes)
{
const uint32_t t = get_local_id(0);
const uint32_t g = get_group_id(0);
if (t >= 25)
return;
const uint32_t s = t % 5;
const uint64_t input_offset = ((uint64_t)input_stride) * g;
__global uint64_t* input = (__global uint64_t*)(inputs + input_offset);
const uint32_t input_size = input_sizes[g] + 1;
__local uint64_t A[25];
__local uint64_t C[25];
__local uint64_t D[25];
A[t] = 0;
const uint32_t words = input_size / sizeof(uint64_t);
const uint32_t tail_size = input_size % sizeof(uint64_t);
uint32_t wordIndex = 0;
for (uint32_t i = 0; i < words; ++i, ++input)
{
A[wordIndex] ^= *input;
++wordIndex;
if (wordIndex == 17)
{
#pragma unroll(ROUNDS)
for (int i = 0; i < ROUNDS; ++i)
{
C[t] = A[s] ^ A[s+5] ^ A[s+10] ^ A[s+15] ^ A[s+20];
D[t] = C[b[20+s]] ^ R64(C[b[5+s]], 1, 63);
C[t] = R64(A[a[t]] ^ D[b[t]], ro[t][0], ro[t][1]);
A[d[t]] = C[c[t][0]] ^ ((~C[c[t][1]]) & C[c[t][2]]);
A[t] ^= rc[(t == 0) ? 0 : 1][i];
}
wordIndex = 0;
}
}
uint64_t tail = 0;
__global const uint8_t* p = (__global const uint8_t*)input;
for (uint32_t i = 0; i < tail_size; ++i)
{
tail |= (uint64_t)(p[i]) << (i * 8);
}
A[wordIndex] ^= tail ^ ((uint64_t)(((uint64_t)(0x02 | (1 << 2))) << (tail_size * 8)));
A[16] ^= 0x8000000000000000UL;
#pragma unroll(1)
for (int i = 0; i < ROUNDS; ++i)
{
C[t] = A[s] ^ A[s+5] ^ A[s+10] ^ A[s+15] ^ A[s+20];
D[t] = C[b[20+s]] ^ R64(C[b[5+s]], 1, 63);
C[t] = R64(A[a[t]] ^ D[b[t]], ro[t][0], ro[t][1]);
A[d[t]] = C[c[t][0]] ^ ((~C[c[t][1]]) & C[c[t][2]]);
A[t] ^= rc[(t == 0) ? 0 : 1][i];
}
if (t < 4)
{
hashes += g * (32 / sizeof(uint64_t));
hashes[t] = A[t];
}
}
__attribute__((reqd_work_group_size(32, 1, 1)))
__kernel void sha3_initial(__global const uint8_t* input_data, uint32_t input_size, uint32_t nonce, __global uint64_t* hashes)
{
const uint32_t t = get_local_id(0);
const uint32_t g = get_group_id(0);
if (t >= 25)
return;
const uint32_t s = t % 5;
__global uint64_t* input = (__global uint64_t*)(input_data);
__local uint64_t A[25];
__local uint64_t C[25];
__local uint64_t D[25];
A[t] = (t < 16) ? input[t] : 0;
__local uint32_t* nonce_pos = (__local uint32_t*)(A) + 9;
nonce += g;
nonce_pos[0] = (nonce_pos[0] & 0xFFFFFFU) | ((nonce & 0xFF) << 24);
nonce_pos[1] = (nonce_pos[1] & 0xFF000000U) | (nonce >> 8);
uint32_t wordIndex = input_size / sizeof(uint64_t);
const uint32_t tail_size = input_size % sizeof(uint64_t);
A[wordIndex] ^= (uint64_t)(((uint64_t)(0x02 | (1 << 2))) << (tail_size * 8));
A[16] ^= 0x8000000000000000UL;
#pragma unroll(ROUNDS)
for (int i = 0; i < ROUNDS; ++i)
{
C[t] = A[s] ^ A[s+5] ^ A[s+10] ^ A[s+15] ^ A[s+20];
D[t] = C[b[20+s]] ^ R64(C[b[5+s]], 1, 63);
C[t] = R64(A[a[t]] ^ D[b[t]], ro[t][0], ro[t][1]);
A[d[t]] = C[c[t][0]] ^ ((~C[c[t][1]]) & C[c[t][2]]);
A[t] ^= rc[(t == 0) ? 0 : 1][i];
}
if (t < 4)
{
hashes += g * (32 / sizeof(uint64_t));
hashes[t] = A[t];
}
}