mirror of
https://github.com/JayDDee/cpuminer-opt.git
synced 2025-09-17 23:44:27 +00:00
149 lines
4.3 KiB
C
149 lines
4.3 KiB
C
#include <memory.h>
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#include "algo-gate-api.h"
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#include "algo/blake/sph_blake.h"
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#include "algo/cubehash/sph_cubehash.h"
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#include "algo/keccak/sph_keccak.h"
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#include "algo/skein/sph_skein.h"
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#include "algo/bmw/sph_bmw.h"
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#include "algo/cubehash/sse2/cubehash_sse2.h"
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#include "lyra2.h"
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#include "avxdefs.h"
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// This gets allocated when miner_thread starts up and is never freed.
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// It's not a leak because the only way to allocate it again is to exit
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// the thread and that only occurs when the entire program exits.
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__thread uint64_t* l2v2_wholeMatrix;
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typedef struct {
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cubehashParam cube1;
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cubehashParam cube2;
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sph_blake256_context blake;
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sph_keccak256_context keccak;
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sph_skein256_context skein;
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sph_bmw256_context bmw;
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} lyra2v2_ctx_holder;
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static lyra2v2_ctx_holder lyra2v2_ctx;
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static __thread sph_blake256_context l2v2_blake_mid;
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void init_lyra2rev2_ctx()
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{
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cubehashInit( &lyra2v2_ctx.cube1, 256, 16, 32 );
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cubehashInit( &lyra2v2_ctx.cube2, 256, 16, 32 );
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sph_blake256_init( &lyra2v2_ctx.blake );
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sph_keccak256_init( &lyra2v2_ctx.keccak );
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sph_skein256_init( &lyra2v2_ctx.skein );
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sph_bmw256_init( &lyra2v2_ctx.bmw );
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}
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void l2v2_blake256_midstate( const void* input )
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{
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memcpy( &l2v2_blake_mid, &lyra2v2_ctx.blake, sizeof l2v2_blake_mid );
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sph_blake256( &l2v2_blake_mid, input, 64 );
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}
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void lyra2rev2_hash( void *state, const void *input )
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{
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lyra2v2_ctx_holder ctx __attribute__ ((aligned (64)));
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memcpy( &ctx, &lyra2v2_ctx, sizeof(lyra2v2_ctx) );
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uint8_t hash[128] __attribute__ ((aligned (64)));
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#define hashA hash
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#define hashB hash+64
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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.blake, &l2v2_blake_mid, sizeof l2v2_blake_mid );
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sph_blake256( &ctx.blake, (uint8_t*)input + midlen, tail );
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sph_blake256_close( &ctx.blake, hashA );
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sph_keccak256( &ctx.keccak, hashA, 32 );
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sph_keccak256_close(&ctx.keccak, hashB);
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cubehashUpdateDigest( &ctx.cube1, (byte*) hashA,
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(const byte*) hashB, 32 );
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LYRA2REV2( l2v2_wholeMatrix, hashA, 32, hashA, 32, hashA, 32, 1, 4, 4 );
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sph_skein256( &ctx.skein, hashA, 32 );
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sph_skein256_close( &ctx.skein, hashB );
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cubehashUpdateDigest( &ctx.cube2, (byte*) hashA,
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(const byte*) hashB, 32 );
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sph_bmw256( &ctx.bmw, hashA, 32 );
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sph_bmw256_close( &ctx.bmw, hashB );
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memcpy( state, hashB, 32 );
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}
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int scanhash_lyra2rev2(int thr_id, struct work *work,
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uint32_t max_nonce, uint64_t *hashes_done)
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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 endiandata[20] __attribute__ ((aligned (64)));
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uint32_t hash[8] __attribute__((aligned(64)));
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const uint32_t first_nonce = pdata[19];
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uint32_t nonce = first_nonce;
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const uint32_t Htarg = ptarget[7];
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if (opt_benchmark)
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((uint32_t*)ptarget)[7] = 0x0000ff;
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swab32_array( endiandata, pdata, 20 );
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l2v2_blake256_midstate( endiandata );
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do {
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be32enc(&endiandata[19], nonce);
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lyra2rev2_hash(hash, endiandata);
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if (hash[7] <= Htarg )
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{
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if( fulltest(hash, ptarget) )
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{
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pdata[19] = nonce;
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*hashes_done = pdata[19] - first_nonce;
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return 1;
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}
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}
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nonce++;
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} while (nonce < max_nonce && !work_restart[thr_id].restart);
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pdata[19] = nonce;
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*hashes_done = pdata[19] - first_nonce + 1;
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return 0;
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}
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void lyra2rev2_set_target( struct work* work, double job_diff )
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{
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work_set_target( work, job_diff / (256.0 * opt_diff_factor) );
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}
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bool lyra2rev2_thread_init()
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{
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const int64_t ROW_LEN_INT64 = BLOCK_LEN_INT64 * 4; // nCols
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const int64_t ROW_LEN_BYTES = ROW_LEN_INT64 * 8;
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int i = (int64_t)ROW_LEN_BYTES * 4; // nRows;
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l2v2_wholeMatrix = _mm_malloc( i, 64 );
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return l2v2_wholeMatrix;
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}
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bool register_lyra2rev2_algo( algo_gate_t* gate )
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{
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init_lyra2rev2_ctx();
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gate->optimizations = AVX_OPT | AVX2_OPT;
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gate->miner_thread_init = (void*)&lyra2rev2_thread_init;
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gate->scanhash = (void*)&scanhash_lyra2rev2;
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gate->hash = (void*)&lyra2rev2_hash;
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gate->set_target = (void*)&lyra2rev2_set_target;
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return true;
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};
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