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v3.8.2

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Jay D Dee
2018-02-15 14:48:50 -05:00
parent e4265a6f11
commit d60a268972
57 changed files with 3469 additions and 2135 deletions
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138
algo/ripemd/lbry-4way.c Normal file
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#include "lbry-gate.h"
#if defined(LBRY_4WAY)
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#include "algo/sha/sha2-hash-4way.h"
#include "ripemd-hash-4way.h"
static __thread sha256_4way_context sha256_mid;
void lbry_4way_hash( void* output, const void* input )
{
sha256_4way_context ctx_sha256 __attribute__ ((aligned (64)));
sha512_4way_context ctx_sha512;
ripemd160_4way_context ctx_ripemd;
uint32_t _ALIGN(64) vhashA[16<<2];
uint32_t _ALIGN(64) vhashB[16<<2];
uint32_t _ALIGN(64) vhashC[16<<2];
memcpy( &ctx_sha256, &sha256_mid, sizeof(ctx_sha256) );
sha256_4way( &ctx_sha256, input+(64<<2), 48 );
sha256_4way_close( &ctx_sha256, vhashA );
sha256_4way_init( &ctx_sha256 );
sha256_4way( &ctx_sha256, vhashA, 32 );
sha256_4way_close( &ctx_sha256, vhashA );
// sha512 64 bit data, 64 byte output
mm256_reinterleave_4x64( vhashB, vhashA, 256 );
sha512_4way_init( &ctx_sha512 );
sha512_4way( &ctx_sha512, vhashB, 32 );
sha512_4way_close( &ctx_sha512, vhashB );
mm256_reinterleave_4x32( vhashA, vhashB, 512 );
ripemd160_4way_init( &ctx_ripemd );
ripemd160_4way( &ctx_ripemd, vhashA, 32 );
ripemd160_4way_close( &ctx_ripemd, vhashB );
ripemd160_4way_init( &ctx_ripemd );
ripemd160_4way( &ctx_ripemd, vhashA+(8<<2), 32 );
ripemd160_4way_close( &ctx_ripemd, vhashC );
sha256_4way_init( &ctx_sha256 );
sha256_4way( &ctx_sha256, vhashB, 20 );
sha256_4way( &ctx_sha256, vhashC, 20 );
sha256_4way_close( &ctx_sha256, vhashA );
sha256_4way_init( &ctx_sha256 );
sha256_4way( &ctx_sha256, vhashA, 32 );
sha256_4way_close( &ctx_sha256, vhashA );
mm_deinterleave_4x32( output, output+32, output+64, output+96, vhashA, 256 );
}
int scanhash_lbry_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[32*4] __attribute__ ((aligned (64)));
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
uint32_t n = pdata[27];
const uint32_t first_nonce = pdata[27];
const uint32_t Htarg = ptarget[7];
uint32_t edata[32] __attribute__ ((aligned (64)));
uint32_t *nonces = work->nonces;
bool *found = work->nfound;
int num_found = 0;
uint32_t *noncep0 = vdata + 108; // 27*4
uint32_t *noncep1 = vdata + 109;
uint32_t *noncep2 = vdata + 110;
uint32_t *noncep3 = vdata + 111;
uint64_t htmax[] = { 0, 0xF, 0xFF,
0xFFF, 0xFFFF, 0x10000000 };
uint32_t masks[] = { 0xFFFFFFFF, 0xFFFFFFF0, 0xFFFFFF00,
0xFFFFF000, 0xFFFF0000, 0 };
// we need bigendian data...
swab32_array( edata, pdata, 32 );
mm_interleave_4x32( vdata, edata, edata, edata, edata, 1024 );
sha256_4way_init( &sha256_mid );
sha256_4way( &sha256_mid, vdata, 64 );
for ( int m = 0; m < sizeof(masks); m++ ) if ( Htarg <= htmax[m] )
{
uint32_t mask = masks[m];
do
{
found[0] = found[1] = found[2] = found[3] = false;
be32enc( noncep0, n );
be32enc( noncep1, n+1 );
be32enc( noncep2, n+2 );
be32enc( noncep3, n+3 );
lbry_4way_hash( hash, vdata );
if ( !( hash[7] & mask ) && fulltest( hash, ptarget ) )
{
found[0] = true;
num_found++;
nonces[0] = pdata[27] = n;
work_set_target_ratio( work, hash );
}
if ( !( (hash+8)[7] & mask ) && fulltest( hash+8, ptarget ) )
{
found[1] = true;
num_found++;
nonces[1] = n+1;
work_set_target_ratio( work, hash+8 );
}
if ( !( (hash+16)[7] & mask ) && fulltest( hash+16, ptarget ) )
{
found[2] = true;
num_found++;
nonces[2] = n+2;
work_set_target_ratio( work, hash+16 );
}
if ( !( (hash+24)[7] & mask ) && fulltest( hash+24, ptarget ) )
{
found[3] = true;
num_found++;
nonces[3] = n+3;
work_set_target_ratio( work, hash+24 );
}
n+=4;
} while ( ( num_found == 0 ) && ( n < max_nonce )
&& !work_restart[thr_id].restart );
break;
}
*hashes_done = n - first_nonce;
return num_found;
}
#endif