v3.7.10

algo/lyra2/lyra2h-4way.c

@@ -0,0 +1,128 @@
+#include "lyra2h-gate.h"
+
+#ifdef LYRA2H_4WAY
+
+#include <memory.h>
+#include <mm_malloc.h>
+#include "lyra2.h"
+#include "algo/blake/sph_blake.h"
+#include "algo/blake/blake-hash-4way.h"
+
+__thread uint64_t* lyra2h_4way_matrix;
+
+bool lyra2h_4way_thread_init()
+{
+ return ( lyra2h_4way_matrix = _mm_malloc( LYRA2H_MATRIX_SIZE, 64 ) );
+}
+
+static __thread blake256_4way_context l2h_4way_blake_mid;
+
+void lyra2h_4way_midstate( const void* input )
+{
+       blake256_4way_init( &l2h_4way_blake_mid );
+       blake256_4way( &l2h_4way_blake_mid, input, 64 );
+}
+
+void lyra2h_4way_hash( void *state, const void *input )
+{
+     uint32_t hash0[8] __attribute__ ((aligned (64)));
+     uint32_t hash1[8] __attribute__ ((aligned (64)));
+     uint32_t hash2[8] __attribute__ ((aligned (64)));
+     uint32_t hash3[8] __attribute__ ((aligned (64)));
+     uint32_t vhash[8*4] __attribute__ ((aligned (64)));
+     blake256_4way_context ctx_blake __attribute__ ((aligned (64)));
+
+     memcpy( &ctx_blake, &l2h_4way_blake_mid, sizeof l2h_4way_blake_mid );
+     blake256_4way( &ctx_blake, input + (64*4), 16 );
+     blake256_4way_close( &ctx_blake, vhash );
+
+     mm_deinterleave_4x32( hash0, hash1, hash2, hash3, vhash, 256 );
+
+     LYRA2Z( lyra2h_4way_matrix, hash0, 32, hash0, 32, hash0, 32, 16, 16, 16 );
+     LYRA2Z( lyra2h_4way_matrix, hash1, 32, hash1, 32, hash1, 32, 16, 16, 16 );
+     LYRA2Z( lyra2h_4way_matrix, hash2, 32, hash2, 32, hash2, 32, 16, 16, 16 );
+     LYRA2Z( lyra2h_4way_matrix, hash3, 32, hash3, 32, hash3, 32, 16, 16, 16 );
+
+     memcpy( state,    hash0, 32 );
+     memcpy( state+32, hash1, 32 );
+     memcpy( state+64, hash2, 32 );
+     memcpy( state+96, hash3, 32 );
+}
+
+int scanhash_lyra2h_4way( int thr_id, struct work *work, uint32_t max_nonce,
+                          uint64_t *hashes_done )
+{
+   uint32_t hash[8*4] __attribute__ ((aligned (64)));
+   uint32_t vdata[20*4] __attribute__ ((aligned (64)));
+   uint32_t _ALIGN(64) edata[20];
+   uint32_t *pdata = work->data;
+   uint32_t *ptarget = work->target;
+   const uint32_t Htarg = ptarget[7];
+   const uint32_t first_nonce = pdata[19];
+   uint32_t n = first_nonce;
+   uint32_t *nonces = work->nonces;
+   bool *found = work->nfound;
+   int num_found = 0;
+   uint32_t *noncep0 = vdata + 76; // 19*4
+   uint32_t *noncep1 = vdata + 77;
+   uint32_t *noncep2 = vdata + 78;
+   uint32_t *noncep3 = vdata + 79;
+
+   if ( opt_benchmark )
+      ptarget[7] = 0x0000ff;
+
+   for ( int i=0; i < 19; i++ )
+      be32enc( &edata[i], pdata[i] );
+
+   mm_interleave_4x32( vdata, edata, edata, edata, edata, 640 );
+
+   lyra2h_4way_midstate( vdata );
+
+   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 );
+
+      be32enc( &edata[19], n );
+      lyra2h_4way_hash( hash, vdata );
+
+      if ( hash[7] <= Htarg && fulltest( hash, ptarget ) )
+      {
+          found[0] = true;
+          num_found++;
+          nonces[0] = pdata[19] = n;
+          work_set_target_ratio( work, hash );
+      }
+      if ( (hash+8)[7] <= Htarg && fulltest( hash+8, ptarget ) )
+      {
+          found[1] = true;
+          num_found++;
+          nonces[1] = n+1;
+          work_set_target_ratio( work, hash+8 );
+      }
+      if ( (hash+16)[7] <= Htarg && fulltest( hash+16, ptarget ) )
+      {
+          found[2] = true;
+          num_found++;
+          nonces[2] = n+2;
+          work_set_target_ratio( work, hash+16 );
+      }
+      if ( (hash+24)[7] <= Htarg && 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-4)
+                   && !work_restart[thr_id].restart);
+
+   *hashes_done = n - first_nonce + 1;
+   return num_found;
+}
+
+#endif
+