Files
cpuminer-opt-gpu/algo/whirlpool/whirlpool-4way.c
Jay D Dee 3c02653dbe v3.8.3
2018-02-23 12:39:15 -05:00

106 lines
3.0 KiB
C

#include "whirlpool-gate.h"
#if defined(__AVX2__)
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#include "sph_whirlpool.h"
#include "whirlpool-hash-4way.h"
static __thread whirlpool_4way_context whirl_mid;
void whirlpool_hash_4way( void *state, const void *input )
{
uint64_t hash0[8] __attribute__ ((aligned (64)));
uint64_t hash1[8] __attribute__ ((aligned (64)));
uint64_t hash2[8] __attribute__ ((aligned (64)));
uint64_t hash3[8] __attribute__ ((aligned (64)));
uint64_t vhash[8*4] __attribute__ ((aligned (64)));
const int midlen = 64;
const int tail = 80 - midlen;
whirlpool_4way_context ctx;
memcpy( &ctx, &whirl_mid, sizeof whirl_mid );
whirlpool1_4way( &ctx, input + (midlen<<2), tail );
whirlpool1_4way_close( &ctx, vhash);
// whirlpool1_4way_init( &ctx );
// whirlpool1_4way( &ctx, input, 80 );
// whirlpool1_4way_close( &ctx, vhash);
whirlpool1_4way_init( &ctx );
whirlpool1_4way( &ctx, vhash, 64 );
whirlpool1_4way_close( &ctx, vhash);
whirlpool1_4way_init( &ctx );
whirlpool1_4way( &ctx, vhash, 64 );
whirlpool1_4way_close( &ctx, vhash);
whirlpool1_4way_init( &ctx );
whirlpool1_4way( &ctx, vhash, 64 );
whirlpool1_4way_close( &ctx, vhash);
mm256_deinterleave_4x64( hash0, hash1, hash2, hash3, vhash, 512 );
memcpy( state , hash0, 32 );
memcpy( state+32, hash1, 32 );
memcpy( state+64, hash2, 32 );
memcpy( state+96, hash3, 32 );
}
int scanhash_whirlpool_4way( int thr_id, struct work* work, uint32_t max_nonce,
uint64_t *hashes_done )
{
uint32_t hash[4*8] __attribute__ ((aligned (64)));
uint32_t vdata[20*4] __attribute__ ((aligned (64)));
uint32_t _ALIGN(128) endiandata[20];
uint32_t* pdata = work->data;
uint32_t* ptarget = work->target;
const uint32_t first_nonce = pdata[19];
uint32_t n = first_nonce;
uint32_t *nonces = work->nonces;
int num_found = 0;
uint32_t *noncep = vdata + 73; // 9*8 + 1
if (opt_benchmark)
((uint32_t*)ptarget)[7] = 0x0000ff;
for (int i=0; i < 19; i++)
be32enc(&endiandata[i], pdata[i]);
uint64_t *edata = (uint64_t*)endiandata;
mm256_interleave_4x64( (uint64_t*)vdata, edata, edata, edata, edata, 640 );
// midstate
whirlpool1_4way_init( &whirl_mid );
whirlpool1_4way( &whirl_mid, vdata, 64 );
do {
const uint32_t Htarg = ptarget[7];
be32enc( noncep, n );
be32enc( noncep+2, n+1 );
be32enc( noncep+4, n+2 );
be32enc( noncep+6, n+3 );
pdata[19] = n;
whirlpool_hash_4way( hash, vdata );
for ( int i = 0; i < 4; i++ )
if ( (hash+(i<<3))[7] <= Htarg && fulltest( hash+(i<<3), ptarget ) )
{
nonces[ num_found++ ] = n+i;
work_set_target_ratio( work, hash+(i<<3) );
}
n += 4;
} while ( ( num_found == 0 ) && ( n < max_nonce )
&& !work_restart[thr_id].restart );
*hashes_done = n - first_nonce + 1;
return num_found;
}
#endif