mirror of
https://github.com/JayDDee/cpuminer-opt.git
synced 2025-09-17 23:44:27 +00:00
109 lines
3.3 KiB
C
109 lines
3.3 KiB
C
#include "myrgr-gate.h"
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#if defined(MYRGR_4WAY)
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#include <stdio.h>
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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 "aes_ni/hash-groestl.h"
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#include "algo/sha/sha2-hash-4way.h"
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typedef struct {
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hashState_groestl groestl;
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sha256_4way_context sha;
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} myrgr_4way_ctx_holder;
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myrgr_4way_ctx_holder myrgr_4way_ctx;
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void init_myrgr_4way_ctx()
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{
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init_groestl (&myrgr_4way_ctx.groestl, 64 );
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sha256_4way_init( &myrgr_4way_ctx.sha );
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}
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void myriad_4way_hash( void *output, const void *input )
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{
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uint32_t hash0[20] __attribute__ ((aligned (64)));
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uint32_t hash1[20] __attribute__ ((aligned (64)));
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uint32_t hash2[20] __attribute__ ((aligned (64)));
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uint32_t hash3[20] __attribute__ ((aligned (64)));
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uint32_t vhash[16*4] __attribute__ ((aligned (64)));
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myrgr_4way_ctx_holder ctx;
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memcpy( &ctx, &myrgr_4way_ctx, sizeof(myrgr_4way_ctx) );
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mm128_deinterleave_4x32( hash0, hash1, hash2, hash3, input, 640 );
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update_and_final_groestl( &ctx.groestl, (char*)hash0, (char*)hash0, 640 );
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memcpy( &ctx.groestl, &myrgr_4way_ctx.groestl, sizeof(hashState_groestl) );
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update_and_final_groestl( &ctx.groestl, (char*)hash1, (char*)hash1, 640 );
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memcpy( &ctx.groestl, &myrgr_4way_ctx.groestl, sizeof(hashState_groestl) );
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update_and_final_groestl( &ctx.groestl, (char*)hash2, (char*)hash2, 640 );
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memcpy( &ctx.groestl, &myrgr_4way_ctx.groestl, sizeof(hashState_groestl) );
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update_and_final_groestl( &ctx.groestl, (char*)hash3, (char*)hash3, 640 );
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mm128_interleave_4x32( vhash, hash0, hash1, hash2, hash3, 512 );
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sha256_4way( &ctx.sha, vhash, 64 );
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sha256_4way_close( &ctx.sha, vhash );
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mm128_deinterleave_4x32( output, output+32, output+64, output+96,
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vhash, 256 );
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}
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int scanhash_myriad_4way( int thr_id, struct work *work, uint32_t max_nonce,
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uint64_t *hashes_done )
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{
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uint32_t hash[8*4] __attribute__ ((aligned (64)));
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uint32_t vdata[20*4] __attribute__ ((aligned (64)));
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uint32_t _ALIGN(64) edata[20];
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uint32_t *pdata = work->data;
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uint32_t *ptarget = work->target;
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const uint32_t Htarg = ptarget[7];
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const uint32_t first_nonce = pdata[19];
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uint32_t n = first_nonce;
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uint32_t *nonces = work->nonces;
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int num_found = 0;
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uint32_t *noncep = vdata + 76; // 19*4
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/*
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uint32_t *pdata = work->data;
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uint32_t *ptarget = work->target;
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uint32_t _ALIGN(64) endiandata[20];
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const uint32_t first_nonce = pdata[19];
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uint32_t nonce = first_nonce;
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*/
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if ( opt_benchmark )
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( (uint32_t*)ptarget )[7] = 0x0000ff;
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swab32_array( edata, pdata, 20 );
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mm128_interleave_4x32( vdata, edata, edata, edata, edata, 640 );
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do {
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be32enc( noncep, n );
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be32enc( noncep+1, n+1 );
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be32enc( noncep+2, n+2 );
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be32enc( noncep+3, n+3 );
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myriad_4way_hash( hash, vdata );
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pdata[19] = n;
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for ( int i = 0; i < 4; i++ )
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if ( (hash+(i<<3))[7] <= Htarg && fulltest( hash+(i<<3), ptarget ) )
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{
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pdata[19] = n+i;
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nonces[ num_found++ ] = n+i;
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work_set_target_ratio( work, hash+(i<<3) );
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}
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n += 4;
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} while ( (num_found == 0) && (n < max_nonce-4)
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&& !work_restart[thr_id].restart);
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*hashes_done = n - first_nonce + 1;
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return num_found;
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}
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#endif
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