mirror of
https://github.com/JayDDee/cpuminer-opt.git
synced 2025-09-17 23:44:27 +00:00
151 lines
4.3 KiB
C
151 lines
4.3 KiB
C
#include "algo-gate-api.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 <stdio.h>
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#include "algo/luffa/sse2/luffa_for_sse2.h"
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#include "algo/cubehash/sse2/cubehash_sse2.h"
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#ifndef NO_AES_NI
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#include "algo/echo/aes_ni/hash_api.h"
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#else
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#include "algo/echo/sph_echo.h"
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#endif
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typedef struct
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{
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hashState_luffa luffa;
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cubehashParam cubehash;
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#ifdef NO_AES_NI
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sph_echo512_context echo;
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#else
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hashState_echo echo;
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#endif
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} deep_ctx_holder;
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deep_ctx_holder deep_ctx __attribute((aligned(64)));
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static __thread hashState_luffa deep_luffa_mid;
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void init_deep_ctx()
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{
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init_luffa( &deep_ctx.luffa, 512 );
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cubehashInit( &deep_ctx.cubehash, 512, 16, 32 );
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#ifdef NO_AES_NI
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sph_echo512_init( &deep_ctx.echo );
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#else
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init_echo( &deep_ctx.echo, 512 );
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#endif
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};
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void deep_luffa_midstate( const void* input )
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{
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memcpy( &deep_luffa_mid, &deep_ctx.luffa, sizeof deep_luffa_mid );
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update_luffa( &deep_luffa_mid, input, 64 );
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}
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void deep_hash(void *output, const void *input)
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{
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unsigned char hash[128] __attribute((aligned(64)));
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#define hashB hash+64
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deep_ctx_holder ctx __attribute((aligned(64)));
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memcpy( &ctx, &deep_ctx, sizeof(deep_ctx) );
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const int midlen = 64; // bytes
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const int tail = 80 - midlen; // 16
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memcpy( &ctx.luffa, &deep_luffa_mid, sizeof deep_luffa_mid );
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update_and_final_luffa( &ctx.luffa, (BitSequence*)hash,
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(const BitSequence*)input + midlen, tail );
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cubehashUpdateDigest( &ctx.cubehash, (byte*)hash,
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(const byte*) hash,64);
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#ifdef NO_AES_NI
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sph_echo512 (&ctx.echo, (const void*) hash, 64);
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sph_echo512_close(&ctx.echo, (void*) hash);
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#else
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update_final_echo ( &ctx.echo, (BitSequence *) hash,
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(const BitSequence *) hash, 512);
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#endif
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asm volatile ("emms");
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memcpy(output, hash, 32);
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}
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int scanhash_deep( 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 endiandata[20] __attribute__((aligned(64)));
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uint32_t hash64[8] __attribute__((aligned(32)));
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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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uint64_t htmax[] = { 0, 0xF, 0xFF, 0xFFF, 0xFFFF, 0x10000000 };
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uint32_t masks[] =
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{ 0xFFFFFFFF, 0xFFFFFFF0, 0xFFFFFF00, 0xFFFFF000, 0xFFFF0000, 0 };
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// we need bigendian data...
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swab32_array( endiandata, pdata, 20 );
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deep_luffa_midstate( endiandata );
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#ifdef DEBUG_ALGO
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printf("[%d] Htarg=%X\n", thr_id, Htarg);
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#endif
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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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{
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pdata[19] = ++n;
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be32enc( &endiandata[19], n );
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deep_hash( hash64, endiandata );
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#ifndef DEBUG_ALGO
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if (!(hash64[7] & mask))
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{
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if ( fulltest(hash64, ptarget) )
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{
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*hashes_done = n - first_nonce + 1;
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return true;
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}
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// else
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// {
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// applog(LOG_INFO, "Result does not validate on CPU!");
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// }
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}
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#else
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if (!(n % 0x1000) && !thr_id) printf(".");
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if (!(hash64[7] & mask)) {
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printf("[%d]",thr_id);
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if (fulltest(hash64, ptarget)) {
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work_set_target_ratio( work, hash64 );
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*hashes_done = n - first_nonce + 1;
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return true;
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}
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}
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#endif
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} while ( n < max_nonce && !work_restart[thr_id].restart );
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// see blake.c if else to understand the loop on htmax => mask
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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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bool register_deep_algo( algo_gate_t* gate )
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{
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gate->optimizations = SSE2_OPT | AES_OPT | AVX_OPT | AVX2_OPT;
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init_deep_ctx();
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gate->scanhash = (void*)&scanhash_deep;
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gate->hash = (void*)&deep_hash;
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return true;
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};
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