[CPU] Reuse system conf to retrieve fp16 and dotprod ARM capabilities

Author: aobolensk

cmake/developer_package/cross_compile/cross_compiled_disp_gen.cmake

@@ -18,6 +18,7 @@ set(_CPU_CHECK_ANY         "true")
 set(_CPU_CHECK_SSE42       "with_cpu_x86_sse42()")
 set(_CPU_CHECK_AVX         "with_cpu_x86_avx()")
 set(_CPU_CHECK_NEON_FP16   "with_cpu_neon_fp16()")
+set(_CPU_CHECK_ARM_DOTPROD "with_cpu_arm_dotprod()")
 set(_CPU_CHECK_SVE         "with_cpu_sve()")
 set(_CPU_CHECK_AVX2        "with_cpu_x86_avx2()")
 set(_CPU_CHECK_AVX512F     "with_cpu_x86_avx512f()")

src/inference/dev_api/openvino/runtime/system_conf.hpp

@@ -83,6 +83,13 @@ OPENVINO_RUNTIME_API bool with_cpu_x86_sse42();
  */
 OPENVINO_RUNTIME_API bool with_cpu_neon_fp16();
 
+/**
+ * @brief      Checks whether CPU supports ARM Dot Product capability
+ * @ingroup    ov_dev_api_system_conf
+ * @return     `True` is ARM Dot Product instructions are available, `false` otherwise
+ */
+OPENVINO_RUNTIME_API bool with_cpu_arm_dotprod();
+
 /**
  * @brief      Checks whether CPU supports ARM SVE capability
  * @ingroup    ov_dev_api_system_conf

src/inference/src/system_conf.cpp

@@ -119,6 +119,10 @@ bool with_cpu_sve() {
     return false;
 }
 
+bool with_cpu_arm_dotprod() {
+    return false;
+}
+
 #else  // OPENVINO_ARCH_X86 || OPENVINO_ARCH_X86_64
 
 bool with_cpu_x86_sse42() {
@@ -192,6 +196,25 @@ bool with_cpu_sve() {
     return false;
 #    endif
 }
+
+bool with_cpu_arm_dotprod() {
+#    if !defined(_WIN64) && !defined(BARE_METAL) && !defined(__APPLE__) && !defined(__OpenBSD__) && \
+        !defined(__arm__) && defined(__aarch64__)
+    const uint32_t hwcaps = getauxval(AT_HWCAP);
+    return hwcaps & HWCAP_ASIMDDP;
+#    elif !defined(_WIN64) && !defined(BARE_METAL) && !defined(__APPLE__) && !defined(__OpenBSD__) && \
+        !defined(__aarch64__) && defined(__arm__)
+    return false;
+#    elif defined(__aarch64__) && defined(__APPLE__)
+    int64_t result(0);
+    size_t size = sizeof(result);
+    const std::string& cap = "hw.optional.arm.FEAT_DotProd";
+    sysctlbyname(cap.c_str(), &result, &size, NULL, 0);
+#    else
+    return false;
+#    endif
+}
+
 #endif  // OPENVINO_ARCH_X86 || OPENVINO_ARCH_X86_64
 
 bool check_open_mp_env_vars(bool include_omp_num_threads) {

src/plugins/intel_cpu/src/utils/precision_support.cpp

@@ -9,19 +9,16 @@
 #endif
 #include "openvino/core/type/element_type.hpp"
 #include "openvino/core/visibility.hpp"
-
-#if defined(OV_CPU_WITH_ACL)
-#    include "arm_compute/core/CPP/CPPTypes.h"
-#endif
+#include "openvino/runtime/system_conf.hpp"
 
 namespace ov::intel_cpu {
 
 static bool hasFP16HardwareSupport() {
 #if defined(OPENVINO_ARCH_X86_64)
     return dnnl::impl::cpu::x64::mayiuse(dnnl::impl::cpu::x64::avx512_core_fp16) ||
            dnnl::impl::cpu::x64::mayiuse(dnnl::impl::cpu::x64::avx2_vnni_2);
-#elif defined(OV_CPU_WITH_ACL)
-    return arm_compute::CPUInfo::get().has_fp16();
+#elif defined(OPENVINO_ARCH_ARM)
+    return with_cpu_neon_fp16();
 #else
     return false;
 #endif
@@ -58,11 +55,7 @@ ov::element::Type defaultFloatPrecision() {
 }
 
 bool hasIntDotProductSupport() {
-#if defined(OV_CPU_WITH_ACL)
-    return arm_compute::CPUInfo::get().has_dotprod();
-#else
-    return false;
-#endif
+    return with_cpu_arm_dotprod();
 }
 
 }  // namespace ov::intel_cpu

src/plugins/intel_cpu/tests/functional/CMakeLists.txt

@@ -21,8 +21,8 @@ add_library(cpuUtils STATIC
     $<TARGET_PROPERTY:openvino_intel_cpu_plugin,SOURCE_DIR>/src/utils/precision_support.h
     $<TARGET_PROPERTY:openvino_intel_cpu_plugin,SOURCE_DIR>/src/utils/precision_support.cpp
     ${CPU_ISA_TRAITS_RV64})
-set(CPU_UTILS_LINK_LIBRARIES openvino::runtime)
-set(CPU_UTILS_INCLUDE_PATHS)
+set(CPU_UTILS_LINK_LIBRARIES openvino::runtime openvino::core::dev)
+set(CPU_UTILS_INCLUDE_PATHS ${OpenVINO_SOURCE_DIR}/src/inference/dev_api/)
 if(OV_CPU_WITH_ACL)
     list(APPEND CPU_UTILS_LINK_LIBRARIES arm_compute::arm_compute)
     list(APPEND CPU_UTILS_INCLUDE_PATHS $<TARGET_PROPERTY:arm_compute::arm_compute,SOURCE_DIR>)