mirror of
https://github.com/JayDDee/cpuminer-opt.git
synced 2025-09-17 23:44:27 +00:00
123 lines
3.1 KiB
C
123 lines
3.1 KiB
C
#include "pentablake-gate.h"
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#if defined (__AVX2__)
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdio.h>
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#include "blake-hash-4way.h"
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#include "sph_blake.h"
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extern void pentablakehash_4way( void *output, const void *input )
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{
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uint64_t hash0[8] __attribute__ ((aligned (64)));
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uint64_t hash1[8] __attribute__ ((aligned (64)));
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uint64_t hash2[8] __attribute__ ((aligned (64)));
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uint64_t hash3[8] __attribute__ ((aligned (64)));
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uint64_t vhash[8*4] __attribute__ ((aligned (64)));
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blake512_4way_context ctx;
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blake512_4way_init( &ctx );
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blake512_4way_update( &ctx, input, 80 );
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blake512_4way_close( &ctx, vhash );
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blake512_4way_init( &ctx );
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blake512_4way_update( &ctx, vhash, 64 );
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blake512_4way_close( &ctx, vhash );
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blake512_4way_init( &ctx );
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blake512_4way_update( &ctx, vhash, 64 );
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blake512_4way_close( &ctx, vhash );
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blake512_4way_init( &ctx );
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blake512_4way_update( &ctx, vhash, 64 );
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blake512_4way_close( &ctx, vhash );
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blake512_4way_init( &ctx );
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blake512_4way_update( &ctx, vhash, 64 );
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blake512_4way_close( &ctx, vhash );
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memcpy( output, hash0, 32 );
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memcpy( output+32, hash1, 32 );
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memcpy( output+64, hash2, 32 );
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memcpy( output+96, hash3, 32 );
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}
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int scanhash_pentablake_4way( struct work *work,
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uint32_t max_nonce, uint64_t *hashes_done, struct thr_info *mythr )
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{
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uint32_t hash[4*8] __attribute__ ((aligned (64)));
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uint32_t vdata[20*4] __attribute__ ((aligned (64)));
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uint32_t endiandata[32] __attribute__ ((aligned (64)));
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uint32_t *pdata = work->data;
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uint32_t *ptarget = work->target;
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uint32_t n = pdata[19] - 1;
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const uint32_t first_nonce = pdata[19];
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const uint32_t Htarg = ptarget[7];
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uint32_t *noncep = vdata + 73; // 9*8 + 1
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int thr_id = mythr->id; // thr_id arg is deprecated
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// uint32_t _ALIGN(32) hash64[8];
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// uint32_t _ALIGN(32) endiandata[32];
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uint64_t htmax[] = {
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0,
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0xF,
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0xFF,
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0xFFF,
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0xFFFF,
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0x10000000
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};
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uint32_t masks[] = {
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0xFFFFFFFF,
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0xFFFFFFF0,
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0xFFFFFF00,
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0xFFFFF000,
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0xFFFF0000,
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0
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};
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// we need bigendian data...
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swab32_array( endiandata, pdata, 20 );
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uint64_t *edata = (uint64_t*)endiandata;
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intrlv_4x64( (uint64_t*)vdata, edata, edata, edata, edata, 640 );
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for ( int m=0; m < 6; m++ )
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{
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if ( Htarg <= htmax[m] )
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{
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uint32_t mask = masks[m];
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do {
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be32enc( noncep, n );
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be32enc( noncep+2, n+1 );
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be32enc( noncep+4, n+2 );
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be32enc( noncep+6, n+3 );
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pentablakehash_4way( hash, vdata );
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for ( int i = 0; i < 4; i++ )
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if ( !( (hash+(i<<3))[7] & mask )
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&& fulltest( hash+(i<<3), ptarget ) && !opt_benchmark )
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{
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pdata[19] = n + i;
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submit_solution( work, hash+(i<<3), mythr );
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}
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n += 4;
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} while (n < max_nonce && !work_restart[thr_id].restart);
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break;
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}
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}
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*hashes_done = n - first_nonce + 1;
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pdata[19] = n;
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return 0;
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}
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#endif
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