From 675672cfc1a0a8059ae1389584f09e8841027a2c Mon Sep 17 00:00:00 2001
From: Dariusz Orzechowski <dariusz.orzechowski@gmail.com>
Date: Mon, 20 Jul 2020 06:20:31 +0200
Subject: [PATCH] Use std::aligned_alloc

---
 src/misc.cpp               | 16 ----------------
 src/misc.h                 |  3 ---
 src/nnue/evaluate_nnue.cpp |  2 +-
 src/nnue/evaluate_nnue.h   |  2 +-
 4 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/misc.cpp b/src/misc.cpp
index f46c5dd2..1a102a50 100644
--- a/src/misc.cpp
+++ b/src/misc.cpp
@@ -525,19 +525,3 @@ void bindThisThread(size_t idx) {
 #endif
 
 } // namespace WinProcGroup
-
-void* aligned_malloc(size_t size, size_t align)
-{
- void* p = _mm_malloc(size, align);
- if (p == nullptr)
- {
-   std::cout << "info string can't allocate memory. sise = " << size << std::endl;
-   exit(1);
- }
- return p;
-}
-
-void aligned_free(void* ptr)
-{
-  _mm_free(ptr);
-}
diff --git a/src/misc.h b/src/misc.h
index 090f7186..373f1b77 100644
--- a/src/misc.h
+++ b/src/misc.h
@@ -134,7 +134,4 @@ namespace WinProcGroup {
   void bindThisThread(size_t idx);
 }
 
-extern void* aligned_malloc(size_t size, size_t align);
-extern void aligned_free(void* ptr);
-
 #endif // #ifndef MISC_H_INCLUDED
diff --git a/src/nnue/evaluate_nnue.cpp b/src/nnue/evaluate_nnue.cpp
index 61c7d444..a3f49b87 100644
--- a/src/nnue/evaluate_nnue.cpp
+++ b/src/nnue/evaluate_nnue.cpp
@@ -57,7 +57,7 @@ namespace Eval::NNUE {
   template <typename T>
   void Initialize(AlignedPtr<T>& pointer) {
 
-    pointer.reset(reinterpret_cast<T*>(aligned_malloc(sizeof(T), alignof(T))));
+    pointer.reset(reinterpret_cast<T*>(std::aligned_alloc(alignof(T), sizeof(T))));
     std::memset(pointer.get(), 0, sizeof(T));
   }
 
diff --git a/src/nnue/evaluate_nnue.h b/src/nnue/evaluate_nnue.h
index f35779e2..1e13aa2c 100644
--- a/src/nnue/evaluate_nnue.h
+++ b/src/nnue/evaluate_nnue.h
@@ -19,7 +19,7 @@ namespace Eval::NNUE {
   struct AlignedDeleter {
     void operator()(T* ptr) const {
       ptr->~T();
-      aligned_free(ptr);
+      std::free(ptr);
     }
   };