v3.7.3

2025-09-17 23:44:27 +00:00 · 2017-11-20 21:19:15 -05:00
parent ab39e88318
commit 6d1361c87f
46 changed files with 6314 additions and 141 deletions
--- a/algo/blake/blake-4way.c
+++ b/algo/blake/blake-4way.c
@@ -0,0 +1,115 @@
+#include "algo-gate-api.h"
+#include "sph_blake.h"
+#include "blake-hash-4way.h"
+#include <string.h>
+#include <stdint.h>
+#include <memory.h>
+
+#if defined (__AVX__)
+
+void blakehash_4way(void *state, const void *input)
+{
+     uint32_t hash0[16] __attribute__ ((aligned (64)));
+     uint32_t hash1[16] __attribute__ ((aligned (64)));
+     uint32_t hash2[16] __attribute__ ((aligned (64)));
+     uint32_t hash3[16] __attribute__ ((aligned (64)));
+     uint32_t vhash[16*4] __attribute__ ((aligned (64)));
+     blake256_4way_context ctx;
+
+     blake256_4way_init( &ctx );
+     blake256_4way( &ctx, input, 16 );
+     blake256_4way_close( &ctx, vhash );
+
+     m128_deinterleave_4x32( hash0, hash1, hash2, hash3, vhash, 512 );
+
+     memcpy( state,    hash0, 32 );
+     memcpy( state+32, hash1, 32 );
+     memcpy( state+64, hash1, 32 );
+     memcpy( state+96, hash1, 32 );
+}
+
+int scanhash_blake_4way( int thr_id, struct work *work, uint32_t max_nonce,
+                         uint64_t *hashes_done )
+{
+   uint32_t vdata[20*4] __attribute__ ((aligned (64)));
+   uint32_t hash[4*8] __attribute__ ((aligned (64)));
+   uint32_t *pdata = work->data;
+   uint32_t *ptarget = work->target;
+   const uint32_t first_nonce = pdata[19];
+//   uint32_t HTarget = ptarget[7];
+   uint32_t _ALIGN(32) endiandata[20];
+   uint32_t n = first_nonce;
+   uint32_t *nonces = work->nonces;
+   bool *found = work->nfound;
+   int num_found;
+
+//   if (opt_benchmark)
+//      HTarget = 0x7f;
+
+   // we need big endian data...
+   swab32_array( endiandata, pdata, 20 );
+
+   m128_interleave_4x32( vdata, endiandata, endiandata, endiandata,
+                         endiandata, 640 );
+
+   uint32_t *noncep = vdata + 76;   // 19*4
+   do {
+      found[0] = found[1] = found[2] = found[3] = false;
+      num_found = 0;
+      be32enc( noncep,    n   );
+      be32enc( noncep +2, n+1 );
+      be32enc( noncep +4, n+2 );
+      be32enc( noncep +6, n+3 );
+
+      blakehash_4way( hash, vdata );
+
+      if ( hash[7] == 0 )
+      {
+         if ( fulltest( hash, ptarget ) )
+         {
+             found[0] = true;
+             num_found++;
+             nonces[0] = n;
+             pdata[19] = n;
+         }
+      }
+      if ( (hash+8)[7] == 0 ) 
+      {
+         if ( fulltest( hash, ptarget ) ) 
+         {
+             found[1] = true;
+             num_found++;
+             nonces[1] = n+1;
+         }
+      }
+      if ( (hash+16)[7] == 0 )
+      {
+          if ( fulltest( hash, ptarget ) )
+          {
+              found[2] = true;
+              num_found++;
+              nonces[2] = n+2;
+          }
+      }
+      if ( (hash+24)[7] == 0 )
+      {
+         if ( fulltest( hash, ptarget ) )
+         {
+              found[3] = true;
+              num_found++;
+              nonces[3] = n+3;
+         }
+      }
+ 
+      n += 4;
+      *hashes_done = n - first_nonce + 1;
+
+   } while ( (num_found == 0) && (n < max_nonce) 
+             && !work_restart[thr_id].restart );
+
+   *hashes_done = n - first_nonce + 1;
+   return num_found;
+}
+
+#endif
+