WIP large pages for randomx

src/miner.cpp

@@ -1068,14 +1068,19 @@ void static RandomXMiner()
     miningTimer.start();
 
     randomx_flags flags         = randomx_get_flags();
-    // TODO: attempt to use large pages and fall back to no large pages
-    // flags |= RANDOMX_FLAG_LARGE_PAGES;
+    // attempt to use large pages and fall back to no large pages
     flags |= RANDOMX_FLAG_FULL_MEM;
     //flags |= RANDOMX_FLAG_JIT;
-    randomx_cache *randomxCache = randomx_alloc_cache(flags);
-    if (randomxCache == NULL) {
-        LogPrintf("RandomX cache is null, something is wrong, cannot mine!\n");
-        return;
+    //flags |= RANDOMX_FLAG_LARGE_PAGES;
+    randomx_cache *randomxCache = randomx_alloc_cache(flags | RANDOMX_FLAG_LARGE_PAGES);
+    if (randomxCache == nullptr) {
+        fprintf(stderr,"%s: unable to allocate with large pages\n", __func__);
+        LogPrintf("Unable to use randomx large pages, trying without...\n");
+        randomx_cache *randomxCache = randomx_alloc_cache(flags);
+        if (randomxCache == nullptr) {
+            LogPrintf("Unable to create randomx cache, cannot mine!\n");
+            return;
+        }
     }
     rxdebug("%s: created randomx flags + cache\n");
     randomx_dataset *randomxDataset = randomx_alloc_dataset(flags);