767e374dce
Since Embree v3.13.0 supports AARCH64, switch back to the official repo instead of using Embree-aarch64. `thirdparty/embree/patches/godot-changes.patch` should now contain an accurate diff of the changes done to the library.
179 lines
5.4 KiB
C++
179 lines
5.4 KiB
C++
// Copyright 2009-2021 Intel Corporation
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
#pragma once
|
|
|
|
#define CACHELINE_SIZE 64
|
|
|
|
#if !defined(PAGE_SIZE)
|
|
#define PAGE_SIZE 4096
|
|
#endif
|
|
|
|
#define PAGE_SIZE_2M (2*1024*1024)
|
|
#define PAGE_SIZE_4K (4*1024)
|
|
|
|
#include "platform.h"
|
|
|
|
/* define isa namespace and ISA bitvector */
|
|
#if defined (__AVX512VL__)
|
|
# define isa avx512
|
|
# define ISA AVX512
|
|
# define ISA_STR "AVX512"
|
|
#elif defined (__AVX2__)
|
|
# define isa avx2
|
|
# define ISA AVX2
|
|
# define ISA_STR "AVX2"
|
|
#elif defined(__AVXI__)
|
|
# define isa avxi
|
|
# define ISA AVXI
|
|
# define ISA_STR "AVXI"
|
|
#elif defined(__AVX__)
|
|
# define isa avx
|
|
# define ISA AVX
|
|
# define ISA_STR "AVX"
|
|
#elif defined (__SSE4_2__)
|
|
# define isa sse42
|
|
# define ISA SSE42
|
|
# define ISA_STR "SSE4.2"
|
|
//#elif defined (__SSE4_1__) // we demote this to SSE2, MacOSX code compiles with SSE41 by default with XCode 11
|
|
//# define isa sse41
|
|
//# define ISA SSE41
|
|
//# define ISA_STR "SSE4.1"
|
|
//#elif defined(__SSSE3__) // we demote this to SSE2, MacOSX code compiles with SSSE3 by default with ICC
|
|
//# define isa ssse3
|
|
//# define ISA SSSE3
|
|
//# define ISA_STR "SSSE3"
|
|
//#elif defined(__SSE3__) // we demote this to SSE2, MacOSX code compiles with SSE3 by default with clang
|
|
//# define isa sse3
|
|
//# define ISA SSE3
|
|
//# define ISA_STR "SSE3"
|
|
#elif defined(__SSE2__) || defined(__SSE3__) || defined(__SSSE3__)
|
|
# define isa sse2
|
|
# define ISA SSE2
|
|
# define ISA_STR "SSE2"
|
|
#elif defined(__SSE__)
|
|
# define isa sse
|
|
# define ISA SSE
|
|
# define ISA_STR "SSE"
|
|
#else
|
|
#error Unknown ISA
|
|
#endif
|
|
|
|
namespace embree
|
|
{
|
|
enum class CPU
|
|
{
|
|
XEON_ICE_LAKE,
|
|
CORE_ICE_LAKE,
|
|
CORE_TIGER_LAKE,
|
|
CORE_COMET_LAKE,
|
|
CORE_CANNON_LAKE,
|
|
CORE_KABY_LAKE,
|
|
XEON_SKY_LAKE,
|
|
CORE_SKY_LAKE,
|
|
XEON_PHI_KNIGHTS_MILL,
|
|
XEON_PHI_KNIGHTS_LANDING,
|
|
XEON_BROADWELL,
|
|
CORE_BROADWELL,
|
|
XEON_HASWELL,
|
|
CORE_HASWELL,
|
|
XEON_IVY_BRIDGE,
|
|
CORE_IVY_BRIDGE,
|
|
SANDY_BRIDGE,
|
|
NEHALEM,
|
|
CORE2,
|
|
CORE1,
|
|
ARM,
|
|
UNKNOWN,
|
|
};
|
|
|
|
/*! get the full path to the running executable */
|
|
std::string getExecutableFileName();
|
|
|
|
/*! return platform name */
|
|
std::string getPlatformName();
|
|
|
|
/*! get the full name of the compiler */
|
|
std::string getCompilerName();
|
|
|
|
/*! return the name of the CPU */
|
|
std::string getCPUVendor();
|
|
|
|
/*! get microprocessor model */
|
|
CPU getCPUModel();
|
|
|
|
/*! converts CPU model into string */
|
|
std::string stringOfCPUModel(CPU model);
|
|
|
|
/*! CPU features */
|
|
static const int CPU_FEATURE_SSE = 1 << 0;
|
|
static const int CPU_FEATURE_SSE2 = 1 << 1;
|
|
static const int CPU_FEATURE_SSE3 = 1 << 2;
|
|
static const int CPU_FEATURE_SSSE3 = 1 << 3;
|
|
static const int CPU_FEATURE_SSE41 = 1 << 4;
|
|
static const int CPU_FEATURE_SSE42 = 1 << 5;
|
|
static const int CPU_FEATURE_POPCNT = 1 << 6;
|
|
static const int CPU_FEATURE_AVX = 1 << 7;
|
|
static const int CPU_FEATURE_F16C = 1 << 8;
|
|
static const int CPU_FEATURE_RDRAND = 1 << 9;
|
|
static const int CPU_FEATURE_AVX2 = 1 << 10;
|
|
static const int CPU_FEATURE_FMA3 = 1 << 11;
|
|
static const int CPU_FEATURE_LZCNT = 1 << 12;
|
|
static const int CPU_FEATURE_BMI1 = 1 << 13;
|
|
static const int CPU_FEATURE_BMI2 = 1 << 14;
|
|
static const int CPU_FEATURE_AVX512F = 1 << 16;
|
|
static const int CPU_FEATURE_AVX512DQ = 1 << 17;
|
|
static const int CPU_FEATURE_AVX512PF = 1 << 18;
|
|
static const int CPU_FEATURE_AVX512ER = 1 << 19;
|
|
static const int CPU_FEATURE_AVX512CD = 1 << 20;
|
|
static const int CPU_FEATURE_AVX512BW = 1 << 21;
|
|
static const int CPU_FEATURE_AVX512VL = 1 << 22;
|
|
static const int CPU_FEATURE_AVX512IFMA = 1 << 23;
|
|
static const int CPU_FEATURE_AVX512VBMI = 1 << 24;
|
|
static const int CPU_FEATURE_XMM_ENABLED = 1 << 25;
|
|
static const int CPU_FEATURE_YMM_ENABLED = 1 << 26;
|
|
static const int CPU_FEATURE_ZMM_ENABLED = 1 << 27;
|
|
|
|
/*! get CPU features */
|
|
int getCPUFeatures();
|
|
|
|
/*! convert CPU features into a string */
|
|
std::string stringOfCPUFeatures(int features);
|
|
|
|
/*! creates a string of all supported targets that are supported */
|
|
std::string supportedTargetList (int isa);
|
|
|
|
/*! ISAs */
|
|
static const int SSE = CPU_FEATURE_SSE | CPU_FEATURE_XMM_ENABLED;
|
|
static const int SSE2 = SSE | CPU_FEATURE_SSE2;
|
|
static const int SSE3 = SSE2 | CPU_FEATURE_SSE3;
|
|
static const int SSSE3 = SSE3 | CPU_FEATURE_SSSE3;
|
|
static const int SSE41 = SSSE3 | CPU_FEATURE_SSE41;
|
|
static const int SSE42 = SSE41 | CPU_FEATURE_SSE42 | CPU_FEATURE_POPCNT;
|
|
static const int AVX = SSE42 | CPU_FEATURE_AVX | CPU_FEATURE_YMM_ENABLED;
|
|
static const int AVXI = AVX | CPU_FEATURE_F16C | CPU_FEATURE_RDRAND;
|
|
static const int AVX2 = AVXI | CPU_FEATURE_AVX2 | CPU_FEATURE_FMA3 | CPU_FEATURE_BMI1 | CPU_FEATURE_BMI2 | CPU_FEATURE_LZCNT;
|
|
static const int AVX512 = AVX2 | CPU_FEATURE_AVX512F | CPU_FEATURE_AVX512DQ | CPU_FEATURE_AVX512CD | CPU_FEATURE_AVX512BW | CPU_FEATURE_AVX512VL | CPU_FEATURE_ZMM_ENABLED;
|
|
|
|
/*! converts ISA bitvector into a string */
|
|
std::string stringOfISA(int features);
|
|
|
|
/*! return the number of logical threads of the system */
|
|
unsigned int getNumberOfLogicalThreads();
|
|
|
|
/*! returns the size of the terminal window in characters */
|
|
int getTerminalWidth();
|
|
|
|
/*! returns performance counter in seconds */
|
|
double getSeconds();
|
|
|
|
/*! sleeps the specified number of seconds */
|
|
void sleepSeconds(double t);
|
|
|
|
/*! returns virtual address space occupied by process */
|
|
size_t getVirtualMemoryBytes();
|
|
|
|
/*! returns resident memory required by process */
|
|
size_t getResidentMemoryBytes();
|
|
}
|