Files
cpuminer-opt-gpu/algo/blake/blake2s-4way.c
Jay D Dee 0d769ee0fe v3.9.5.1
2019-07-02 15:10:38 -04:00

134 lines
4.0 KiB
C

#include "blake2s-gate.h"
#include "blake2s-hash-4way.h"
#include <string.h>
#include <stdint.h>
#if defined(BLAKE2S_8WAY)
static __thread blake2s_8way_state blake2s_8w_ctx;
void blake2s_8way_hash( void *output, const void *input )
{
uint32_t vhash[8*8] __attribute__ ((aligned (64)));
blake2s_8way_state ctx;
memcpy( &ctx, &blake2s_8w_ctx, sizeof ctx );
blake2s_8way_update( &ctx, input + (64<<3), 16 );
blake2s_8way_final( &ctx, vhash, BLAKE2S_OUTBYTES );
mm256_dintrlv_8x32( output, output+ 32, output+ 64, output+ 96,
output+128, output+160, output+192, output+224,
vhash, 256 );
}
int scanhash_blake2s_8way( struct work *work, uint32_t max_nonce,
uint64_t *hashes_done, struct thr_info *mythr )
{
uint32_t vdata[20*8] __attribute__ ((aligned (64)));
uint32_t hash[8*8] __attribute__ ((aligned (32)));
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
uint32_t _ALIGN(64) edata[20];
const uint32_t Htarg = ptarget[7];
const uint32_t first_nonce = pdata[19];
uint32_t n = first_nonce;
uint32_t *noncep = vdata + 152; // 19*8
int thr_id = mythr->id; // thr_id arg is deprecated
swab32_array( edata, pdata, 20 );
mm256_intrlv_8x32( vdata, edata, edata, edata, edata,
edata, edata, edata, edata, 640 );
blake2s_8way_init( &blake2s_8w_ctx, BLAKE2S_OUTBYTES );
blake2s_8way_update( &blake2s_8w_ctx, vdata, 64 );
do {
be32enc( noncep, n );
be32enc( noncep +1, n+1 );
be32enc( noncep +2, n+2 );
be32enc( noncep +3, n+3 );
be32enc( noncep +4, n+4 );
be32enc( noncep +5, n+5 );
be32enc( noncep +6, n+6 );
be32enc( noncep +7, n+7 );
pdata[19] = n;
blake2s_8way_hash( hash, vdata );
for ( int i = 0; i < 8; i++ )
if ( (hash+(i<<3))[7] <= Htarg )
if ( fulltest( hash+(i<<3), ptarget ) && !opt_benchmark )
{
pdata[19] = n+i;
submit_lane_solution( work, hash+(i<<3), mythr, i );
}
n += 8;
} while ( (n < max_nonce) && !work_restart[thr_id].restart );
*hashes_done = n - first_nonce + 1;
return 0;
}
#elif defined(BLAKE2S_4WAY)
static __thread blake2s_4way_state blake2s_4w_ctx;
void blake2s_4way_hash( void *output, const void *input )
{
uint32_t vhash[8*4] __attribute__ ((aligned (64)));
blake2s_4way_state ctx;
memcpy( &ctx, &blake2s_4w_ctx, sizeof ctx );
blake2s_4way_update( &ctx, input + (64<<2), 16 );
blake2s_4way_final( &ctx, vhash, BLAKE2S_OUTBYTES );
dintrlv_4x32( output, output+32, output+64, output+96,
vhash, 256 );
}
int scanhash_blake2s_4way( struct work *work, uint32_t max_nonce,
uint64_t *hashes_done, struct thr_info *mythr )
{
uint32_t vdata[20*4] __attribute__ ((aligned (64)));
uint32_t hash[8*4] __attribute__ ((aligned (32)));
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
uint32_t _ALIGN(64) edata[20];
const uint32_t Htarg = ptarget[7];
const uint32_t first_nonce = pdata[19];
uint32_t n = first_nonce;
uint32_t *noncep = vdata + 76; // 19*4
int thr_id = mythr->id; // thr_id arg is deprecated
swab32_array( edata, pdata, 20 );
mm128_intrlv_4x32( vdata, edata, edata, edata, edata, 640 );
blake2s_4way_init( &blake2s_4w_ctx, BLAKE2S_OUTBYTES );
blake2s_4way_update( &blake2s_4w_ctx, vdata, 64 );
do {
be32enc( noncep, n );
be32enc( noncep +1, n+1 );
be32enc( noncep +2, n+2 );
be32enc( noncep +3, n+3 );
pdata[19] = n;
blake2s_4way_hash( hash, vdata );
for ( int i = 0; i < 4; i++ )
if ( (hash+(i<<3))[7] <= Htarg )
if ( fulltest( hash+(i<<3), ptarget ) && !opt_benchmark )
{
pdata[19] = n+i;
submit_lane_solution( work, hash+(i<<3), mythr, i );
}
n += 4;
} while ( (n < max_nonce) && !work_restart[thr_id].restart );
*hashes_done = n - first_nonce + 1;
return 0;
}
#endif