#ifndef NNUE_ARCHITECTURE_H_INCLUDED
#define NNUE_ARCHITECTURE_H_INCLUDED
+#include <memory>
+
#include "nnue_common.h"
#include "features/half_ka_v2_hm.h"
std::int32_t propagate(const TransformedFeatureType* transformedFeatures)
{
- constexpr uint64_t alignment = CacheLineSize;
-
- struct Buffer
+ struct alignas(CacheLineSize) Buffer
{
alignas(CacheLineSize) decltype(fc_0)::OutputBuffer fc_0_out;
alignas(CacheLineSize) decltype(ac_0)::OutputBuffer ac_0_out;
}
};
-#if defined(ALIGNAS_ON_STACK_VARIABLES_BROKEN)
- static thread_local char bufferRaw[sizeof(Buffer) + alignment];
- static thread_local char* bufferRawAligned = align_ptr_up<alignment>(&bufferRaw[0]);
- static thread_local Buffer& buffer = *(new (bufferRawAligned) Buffer);
+#if defined(__clang__) && (__APPLE__)
+ // workaround for a bug reported with xcode 12
+ static thread_local auto tlsBuffer = std::make_unique<Buffer>();
+ // Access TLS only once, cache result.
+ Buffer& buffer = *tlsBuffer;
#else
- alignas(alignment) static thread_local Buffer buffer;
+ alignas(CacheLineSize) static thread_local Buffer buffer;
#endif
fc_0.propagate(transformedFeatures, buffer.fc_0_out);