Files
cpuminer-opt-gpu/algo/x16/x21s.c
Jay D Dee 045b42babf v23.13
2023-11-21 14:18:15 -05:00

117 lines
3.2 KiB
C

/**
* x16r algo implementation
*
* Implementation by tpruvot@github Jan 2018
* Optimized by JayDDee@github Jan 2018
*/
#include "x16r-gate.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
//#include <mm_malloc.h>
#include "algo/sha/sha256-hash.h"
#include "algo/haval/sph-haval.h"
#include "algo/tiger/sph_tiger.h"
#include "algo/gost/sph_gost.h"
#include "algo/lyra2/lyra2.h"
#if !defined(X21S_8WAY) && !defined(X21S_4WAY)
static __thread uint64_t* x21s_matrix;
union _x21s_context_overlay
{
sph_haval256_5_context haval;
sph_tiger_context tiger;
sph_gost512_context gost;
sha256_context sha256;
};
typedef union _x21s_context_overlay x21s_context_overlay;
int x21s_hash( void* output, const void* input, int thrid )
{
uint32_t _ALIGN(128) hash[16];
x21s_context_overlay ctx;
if ( !x16r_hash_generic( hash, input, thrid, x16r_hash_order,
X16R_HASH_FUNC_COUNT ) )
return 0;
sph_haval256_5_init( &ctx.haval );
sph_haval256_5( &ctx.haval, (const void*) hash, 64) ;
sph_haval256_5_close( &ctx.haval, hash );
sph_tiger_init( &ctx.tiger );
sph_tiger ( &ctx.tiger, (const void*) hash, 64 );
sph_tiger_close( &ctx.tiger, (void*) hash );
LYRA2REV2( x21s_matrix, (void*) hash, 32, (const void*) hash, 32,
(const void*) hash, 32, 1, 4, 4);
sph_gost512_init( &ctx.gost );
sph_gost512 ( &ctx.gost, (const void*) hash, 64 );
sph_gost512_close( &ctx.gost, (void*) hash );
sha256_full( hash, hash, 64 );
memcpy( output, hash, 32 );
return 1;
}
int scanhash_x21s( struct work *work, uint32_t max_nonce,
uint64_t *hashes_done, struct thr_info *mythr )
{
uint32_t _ALIGN(128) hash32[8];
uint32_t _ALIGN(128) edata[20];
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
const uint32_t first_nonce = pdata[19];
const int thr_id = mythr->id;
uint32_t nonce = first_nonce;
volatile uint8_t *restart = &(work_restart[thr_id].restart);
const bool bench = opt_benchmark;
if ( bench ) ptarget[7] = 0x0cff;
v128_bswap32_80( edata, pdata );
static __thread uint32_t s_ntime = UINT32_MAX;
if ( s_ntime != pdata[17] )
{
uint32_t ntime = swab32(pdata[17]);
x16_r_s_getAlgoString( (const uint8_t*)(&edata[1]), x16r_hash_order );
s_ntime = ntime;
if ( opt_debug && !thr_id )
applog( LOG_INFO, "hash order %s (%08x)", x16r_hash_order, ntime );
}
x16r_prehash( edata, pdata, x16r_hash_order );
do
{
edata[19] = nonce;
if ( x21s_hash( hash32, edata, thr_id ) )
if ( unlikely( valid_hash( hash32, ptarget ) && !bench ) )
{
pdata[19] = bswap_32( nonce );
submit_solution( work, hash32, mythr );
}
nonce++;
} while ( nonce < max_nonce && !(*restart) );
pdata[19] = nonce;
*hashes_done = pdata[19] - first_nonce;
return 0;
}
bool x21s_thread_init()
{
const int64_t ROW_LEN_INT64 = BLOCK_LEN_INT64 * 4; // nCols
const int64_t ROW_LEN_BYTES = ROW_LEN_INT64 * 8;
const int size = (int64_t)ROW_LEN_BYTES * 4; // nRows;
x21s_matrix = mm_malloc( size, 64 );
return x21s_matrix;
}
#endif