v3.7.4

2025-09-17 23:44:27 +00:00 · 2017-11-28 16:32:04 -05:00
parent 6d1361c87f
commit 4b57ac0eb9
70 changed files with 10549 additions and 2852 deletions
--- a/algo/blake/decred-4way.c
+++ b/algo/blake/decred-4way.c
@@ -0,0 +1,153 @@
+#include "decred-gate.h"
+#include "sph_blake.h"
+#include "blake-hash-4way.h"
+#include <string.h>
+#include <stdint.h>
+#include <memory.h>
+#include <unistd.h>
+
+#if defined (DECRED_4WAY)
+
+static __thread blake256_4way_context blake_mid;
+static __thread bool ctx_midstate_done = false;
+
+void decred_hash_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 __attribute__ ((aligned (64)));
+
+     sph_blake256_context ctx2 __attribute__ ((aligned (64)));
+     uint32_t hash[16] __attribute__ ((aligned (64)));
+     uint32_t sin0[45], sin1[45], sin2[45], sin3[45];
+     m128_deinterleave_4x32( sin0, sin1, sin2, sin3, (uint32_t*)input, 180*8 );
+
+     void *tail = input + DECRED_MIDSTATE_LEN;
+     int tail_len = 180 - DECRED_MIDSTATE_LEN; 
+//     #define MIDSTATE_LEN 128
+/*
+        uint8_t *ending = (uint8_t*) input;
+        ending += MIDSTATE_LEN;
+
+     if ( !ctx_midstate_done )
+     {
+          blake256_4way_init( &blake_mid );
+          blake256_4way( &blake_mid, input, DECRED_MIDSTATE_LEN );
+          ctx_midstate_done = true;
+     }
+     memcpy( &ctx, &blake_mid, sizeof(blake_mid) );
+
+     blake256_4way( &ctx, tail, tail_len );
+     blake256_4way_close( &ctx, vhash );
+*/
+
+
+     sph_blake256_init( &ctx2 );
+     sph_blake256( &ctx2, sin0, 180 );
+     sph_blake256_close( &ctx2, hash );
+
+     blake256_4way_init( &ctx );
+     blake256_4way( &ctx, input, 180 );
+     blake256_4way_close( &ctx, vhash );
+
+     m128_deinterleave_4x32( hash0, hash1, hash2, hash3, vhash, 512 );
+/*
+        for ( int i = 0; i < 8; i++ )
+          if ( hash[i] != hash0[i] )
+            printf(" hash mismatch, i = %u\n",i);
+
+printf("hash:  %08lx %08lx %08lx %08lx\n", *hash, *(hash+1),
+                             *(hash+2), *(hash+3) );
+printf("hash0: %08lx %08lx %08lx %08lx\n", *hash0, *(hash0+1),
+                             *(hash0+2), *(hash0+3) );
+printf("\n");
+*/
+
+//     memcpy( state,    hash0, 32 );
+//     memcpy( state+32, hash1, 32 );
+//     memcpy( state+64, hash1, 32 );
+//     memcpy( state+96, hash1, 32 );
+
+     memcpy( state, hash, 32 );
+
+}
+
+int scanhash_decred_4way( int thr_id, struct work *work, uint32_t max_nonce,
+                          uint64_t *hashes_done)
+{
+   uint32_t vdata[45*4] __attribute__ ((aligned (64)));
+   uint32_t hash[4*8] __attribute__ ((aligned (64)));
+        uint32_t _ALIGN(64) endiandata[48];
+//        uint32_t _ALIGN(64) hash32[8];
+        uint32_t *pdata = work->data;
+        uint32_t *ptarget = work->target;
+        const uint32_t first_nonce = pdata[DECRED_NONCE_INDEX];
+        uint32_t n = first_nonce;
+        const uint32_t HTarget = opt_benchmark ? 0x7f : ptarget[7];
+   uint32_t *nonces = work->nonces;
+   bool *found = work->nfound;
+   int num_found = 0;
+
+//        #define DCR_NONCE_OFT32 35
+
+        ctx_midstate_done = false;
+
+//        memcpy(endiandata, pdata, 180);
+
+   m128_interleave_4x32( vdata, pdata, pdata, pdata, pdata, 180*8 );
+
+   uint32_t *noncep = vdata + DECRED_NONCE_INDEX * 4;
+   do {
+      found[0] = found[1] = found[2] = found[3] = false;
+      * noncep    = n;
+      *(noncep+2) = n+1;
+      *(noncep+4) = n+2;
+      *(noncep+6) = n+3;
+
+      decred_hash_4way( hash, vdata );
+
+//                endiandata[DCR_NONCE_OFT32] = n;
+//                decred_hash(hash32, endiandata);
+
+      if ( hash[7] <= HTarget && fulltest( hash, ptarget ) )
+      {
+          work_set_target_ratio( work, hash );
+          found[0] = true;
+          num_found++;
+          nonces[0] = n;
+          pdata[DECRED_NONCE_INDEX] = n;
+      }
+/*      if ( (hash+8)[7] <= HTarget && fulltest( hash+8, ptarget ) )
+      {
+          work_set_target_ratio( work, hash+8 );
+          found[1] = true;
+          num_found++;
+          nonces[1] = n;
+      }
+      if ( (hash+16)[7] <= HTarget && fulltest( hash+16, ptarget ) )
+      {
+          work_set_target_ratio( work, hash+16 );
+          found[2] = true;
+          num_found++;
+          nonces[2] = n;
+      }
+      if ( (hash+24)[7] <= HTarget && fulltest( hash+24, ptarget ) )
+      {
+          work_set_target_ratio( work, hash+24 );
+          found[3] = true;
+          num_found++;
+          nonces[3] = n;
+      }
+*/
+      n += 4;
+  } while ( (num_found == 0) && (n < max_nonce) 
+            && !work_restart[thr_id].restart );
+
+  *hashes_done = n - first_nonce + 1;
+  return num_found;
+}
+
+#endif