From 3c49aacd5667b320a4e02626a176098f7423d7c0 Mon Sep 17 00:00:00 2001 From: Sheil Kumar Date: Tue, 20 Feb 2024 13:13:40 -0800 Subject: [PATCH] Disable __cpuid check on arm64 builds as intrinsic is not available (#19574) Disable __cpuid check on arm64 builds as intrinsic is not available Motivation Breaking the arm64 build. Co-authored-by: Sheil Kumar --- winml/lib/Api/HardwareCoreEnumerator.cpp | 2 ++ 1 file changed, 2 insertions(+) diff --git a/winml/lib/Api/HardwareCoreEnumerator.cpp b/winml/lib/Api/HardwareCoreEnumerator.cpp index fa069c7fb6..b6b44690f4 100644 --- a/winml/lib/Api/HardwareCoreEnumerator.cpp +++ b/winml/lib/Api/HardwareCoreEnumerator.cpp @@ -84,6 +84,7 @@ uint32_t HardwareCoreEnumerator::DefaultIntraOpNumThreads() { // # of logical cores = # of P cores x 2 (if hyper threading is enabled) + # of E cores + # of Soc Cores. auto cores = GetNumberOPhysicalAndEngineeringCores(); +#if !defined(_M_ARM64) && !defined(__aarch64__) const int kVendorID_Intel[3] = {0x756e6547, 0x6c65746e, 0x49656e69}; // "GenuntelineI" int regs_leaf0[4]; int regs_leaf7[4]; @@ -100,6 +101,7 @@ uint32_t HardwareCoreEnumerator::DefaultIntraOpNumThreads() { // On Intel Hybrid processors, numSocCores == cores.Num2CacheCores return cores.PhysicalCores - cores.Num2CacheCores; } +#endif return cores.PhysicalCores; }