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v3.5.6

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Jay D Dee
2017-02-12 12:43:08 -05:00
parent 1ee41348f4
commit 8efab74183
20 changed files with 1891 additions and 1294 deletions
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70
algo/lyra2/zcoin.c
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@@ -1,20 +1,40 @@
#include <memory.h>
#include <mm_malloc.h>
#include "miner.h"
#include "algo-gate-api.h"
#include "lyra2.h"
#include "algo/blake/sph_blake.h"
#include "avxdefs.h"
void zcoin_hash(void *state, const void *input, uint32_t height)
__thread uint64_t* zcoin_wholeMatrix;
static __thread sph_blake256_context zcoin_blake_mid;
void zcoin_midstate( const void* input )
{
uint32_t _ALIGN(256) hash[16];
// LYRA2Z(hash, 32, input, 80, input, 80, 2, height, 256);
LYRA2Z(hash, 32, input, 80, input, 80, 2, 8192, 256);
memcpy(state, hash, 32);
sph_blake256_init( &zcoin_blake_mid );
sph_blake256( &zcoin_blake_mid, input, 64 );
}
// block 2050 new algo, blake plus new lyra parms. new input
// is power of 2 so normal lyra can be used
//void zcoin_hash(void *state, const void *input, uint32_t height)
void zcoin_hash(void *state, const void *input )
{
uint32_t _ALIGN(256) hash[16];
sph_blake256_context ctx_blake;
memcpy( &ctx_blake, &zcoin_blake_mid, sizeof zcoin_blake_mid );
sph_blake256( &ctx_blake, input + 64, 16 );
sph_blake256_close( &ctx_blake, hash );
LYRA2Z( zcoin_wholeMatrix, hash, 32, hash, 32, hash, 32, 8, 8, 8);
memcpy(state, hash, 32);
}
//int scanhash_zcoin(int thr_id, struct work *work, uint32_t max_nonce, uint64_t *hashes_done, uint32_t height)
int scanhash_zcoin( int thr_id, struct work *work, uint32_t max_nonce,
uint64_t *hashes_done )
{
@@ -25,6 +45,7 @@ int scanhash_zcoin( int thr_id, struct work *work, uint32_t max_nonce,
const uint32_t Htarg = ptarget[7];
const uint32_t first_nonce = pdata[19];
uint32_t nonce = first_nonce;
if (opt_benchmark)
ptarget[7] = 0x0000ff;
@@ -32,9 +53,11 @@ int scanhash_zcoin( int thr_id, struct work *work, uint32_t max_nonce,
be32enc(&endiandata[i], pdata[i]);
}
zcoin_midstate( endiandata );
do {
be32enc(&endiandata[19], nonce);
zcoin_hash( hash, endiandata, work->height );
zcoin_hash( hash, endiandata );
if (hash[7] <= Htarg && fulltest(hash, ptarget)) {
work_set_target_ratio(work, hash);
@@ -57,22 +80,45 @@ void zcoin_set_target( struct work* work, double job_diff )
{
work_set_target( work, job_diff / (256.0 * opt_diff_factor) );
}
/*
bool zcoin_get_work_height( struct work* work, struct stratum_ctx* sctx )
{
work->height = sctx->bloc_height;
return false;
}
*/
bool zcoin_thread_init()
{
const int64_t ROW_LEN_INT64 = BLOCK_LEN_INT64 * 8; // nCols
const int64_t ROW_LEN_BYTES = ROW_LEN_INT64 * 8;
int i = (int64_t)ROW_LEN_BYTES * 8; // nRows;
zcoin_wholeMatrix = _mm_malloc( i, 64 );
if ( zcoin_wholeMatrix == NULL )
return false;
#if defined (__AVX2__)
memset_zero_m256i( (__m256i*)zcoin_wholeMatrix, i/32 );
#elif defined(__AVX__)
memset_zero_m128i( (__m128i*)zcoin_wholeMatrix, i/16 );
#else
memset( zcoin_wholeMatrix, 0, i );
#endif
return true;
}
bool register_zcoin_algo( algo_gate_t* gate )
{
gate->optimizations = SSE2_OPT | AES_OPT | AVX_OPT | AVX2_OPT;
gate->miner_thread_init = (void*)&zcoin_thread_init;
gate->scanhash = (void*)&scanhash_zcoin;
gate->hash = (void*)&zcoin_hash;
gate->hash_alt = (void*)&zcoin_hash;
gate->get_max64 = (void*)&get_max64_0xffffLL;
gate->set_target = (void*)&zcoin_set_target;
gate->prevent_dupes = (void*)&zcoin_get_work_height;
// gate->prevent_dupes = (void*)&zcoin_get_work_height;
return true;
};