Files
cpuminer-opt-gpu/algo/lyra2/lyra2rev3-4way.c
Jay D Dee b2331375a3 v3.9.2.5
2019-06-13 11:20:27 -04:00

105 lines
3.7 KiB
C

#include "lyra2-gate.h"
#include <memory.h>
#if defined (LYRA2REV3_4WAY)
#include "algo/blake/blake-hash-4way.h"
#include "algo/bmw/bmw-hash-4way.h"
#include "algo/cubehash/cubehash_sse2.h"
typedef struct {
blake256_4way_context blake;
cubehashParam cube;
bmw256_4way_context bmw;
} lyra2v3_4way_ctx_holder;
static lyra2v3_4way_ctx_holder l2v3_4way_ctx;
bool init_lyra2rev3_4way_ctx()
{
blake256_4way_init( &l2v3_4way_ctx.blake );
cubehashInit( &l2v3_4way_ctx.cube, 256, 16, 32 );
bmw256_4way_init( &l2v3_4way_ctx.bmw );
return true;
}
void lyra2rev3_4way_hash( void *state, const void *input )
{
uint32_t vhash[8*4] __attribute__ ((aligned (64)));
uint32_t hash0[8] __attribute__ ((aligned (64)));
uint32_t hash1[8] __attribute__ ((aligned (32)));
uint32_t hash2[8] __attribute__ ((aligned (32)));
uint32_t hash3[8] __attribute__ ((aligned (32)));
lyra2v3_4way_ctx_holder ctx __attribute__ ((aligned (64)));
memcpy( &ctx, &l2v3_4way_ctx, sizeof(l2v3_4way_ctx) );
blake256_4way( &ctx.blake, input, 80 );
blake256_4way_close( &ctx.blake, vhash );
mm128_dintrlv_4x32( hash0, hash1, hash2, hash3, vhash, 256 );
LYRA2REV3( l2v3_wholeMatrix, hash0, 32, hash0, 32, hash0, 32, 1, 4, 4 );
LYRA2REV3( l2v3_wholeMatrix, hash1, 32, hash1, 32, hash1, 32, 1, 4, 4 );
LYRA2REV3( l2v3_wholeMatrix, hash2, 32, hash2, 32, hash2, 32, 1, 4, 4 );
LYRA2REV3( l2v3_wholeMatrix, hash3, 32, hash3, 32, hash3, 32, 1, 4, 4 );
cubehashUpdateDigest( &ctx.cube, (byte*) hash0, (const byte*) hash0, 32 );
cubehashInit( &ctx.cube, 256, 16, 32 );
cubehashUpdateDigest( &ctx.cube, (byte*) hash1, (const byte*) hash1, 32 );
cubehashInit( &ctx.cube, 256, 16, 32 );
cubehashUpdateDigest( &ctx.cube, (byte*) hash2, (const byte*) hash2, 32 );
cubehashInit( &ctx.cube, 256, 16, 32 );
cubehashUpdateDigest( &ctx.cube, (byte*) hash3, (const byte*) hash3, 32 );
LYRA2REV3( l2v3_wholeMatrix, hash0, 32, hash0, 32, hash0, 32, 1, 4, 4 );
LYRA2REV3( l2v3_wholeMatrix, hash1, 32, hash1, 32, hash1, 32, 1, 4, 4 );
LYRA2REV3( l2v3_wholeMatrix, hash2, 32, hash2, 32, hash2, 32, 1, 4, 4 );
LYRA2REV3( l2v3_wholeMatrix, hash3, 32, hash3, 32, hash3, 32, 1, 4, 4 );
mm128_intrlv_4x32( vhash, hash0, hash1, hash2, hash3, 256 );
bmw256_4way( &ctx.bmw, vhash, 32 );
bmw256_4way_close( &ctx.bmw, state );
}
int scanhash_lyra2rev3_4way( int thr_id, struct work *work, uint32_t max_nonce,
uint64_t *hashes_done, struct thr_info *mythr )
{
uint32_t hash[8*4] __attribute__ ((aligned (64)));
uint32_t vdata[20*4] __attribute__ ((aligned (64)));
uint32_t *hash7 = &(hash[7<<2]);
uint32_t lane_hash[8];
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
const uint32_t first_nonce = pdata[19];
uint32_t n = first_nonce;
const uint32_t Htarg = ptarget[7];
__m128i *noncev = (__m128i*)vdata + 19; // aligned
/* int */ thr_id = mythr->id; // thr_id arg is deprecated
if ( opt_benchmark )
( (uint32_t*)ptarget )[7] = 0x0000ff;
mm128_bswap_intrlv80_4x32( vdata, pdata );
do
{
*noncev = mm128_bswap_32( _mm_set_epi32( n+3, n+2, n+1, n ) );
lyra2rev3_4way_hash( hash, vdata );
pdata[19] = n;
for ( int lane = 0; lane < 4; lane++ ) if ( hash7[lane] <= Htarg )
{
mm128_extract_lane_4x32( lane_hash, hash, lane, 256 );
if ( fulltest( lane_hash, ptarget ) && !opt_benchmark )
{
pdata[19] = n + lane;
submit_solution( work, lane_hash, mythr, lane );
}
}
n += 4;
} while ( (n < max_nonce-4) && !work_restart[thr_id].restart);
*hashes_done = n - first_nonce + 1;
return 0;
}
#endif