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diff --git a/vendor/github.com/klauspost/cpuid/README.md b/vendor/github.com/klauspost/cpuid/README.md deleted file mode 100644 index a7fb41fbe..000000000 --- a/vendor/github.com/klauspost/cpuid/README.md +++ /dev/null @@ -1,147 +0,0 @@ -# cpuid -Package cpuid provides information about the CPU running the current program. - -CPU features are detected on startup, and kept for fast access through the life of the application. -Currently x86 / x64 (AMD64) is supported, and no external C (cgo) code is used, which should make the library very easy to use. - -You can access the CPU information by accessing the shared CPU variable of the cpuid library. - -Package home: https://github.com/klauspost/cpuid - -[![GoDoc][1]][2] [![Build Status][3]][4] - -[1]: https://godoc.org/github.com/klauspost/cpuid?status.svg -[2]: https://godoc.org/github.com/klauspost/cpuid -[3]: https://travis-ci.org/klauspost/cpuid.svg -[4]: https://travis-ci.org/klauspost/cpuid - -# features -## CPU Instructions -* **CMOV** (i686 CMOV) -* **NX** (NX (No-Execute) bit) -* **AMD3DNOW** (AMD 3DNOW) -* **AMD3DNOWEXT** (AMD 3DNowExt) -* **MMX** (standard MMX) -* **MMXEXT** (SSE integer functions or AMD MMX ext) -* **SSE** (SSE functions) -* **SSE2** (P4 SSE functions) -* **SSE3** (Prescott SSE3 functions) -* **SSSE3** (Conroe SSSE3 functions) -* **SSE4** (Penryn SSE4.1 functions) -* **SSE4A** (AMD Barcelona microarchitecture SSE4a instructions) -* **SSE42** (Nehalem SSE4.2 functions) -* **AVX** (AVX functions) -* **AVX2** (AVX2 functions) -* **FMA3** (Intel FMA 3) -* **FMA4** (Bulldozer FMA4 functions) -* **XOP** (Bulldozer XOP functions) -* **F16C** (Half-precision floating-point conversion) -* **BMI1** (Bit Manipulation Instruction Set 1) -* **BMI2** (Bit Manipulation Instruction Set 2) -* **TBM** (AMD Trailing Bit Manipulation) -* **LZCNT** (LZCNT instruction) -* **POPCNT** (POPCNT instruction) -* **AESNI** (Advanced Encryption Standard New Instructions) -* **CLMUL** (Carry-less Multiplication) -* **HTT** (Hyperthreading (enabled)) -* **HLE** (Hardware Lock Elision) -* **RTM** (Restricted Transactional Memory) -* **RDRAND** (RDRAND instruction is available) -* **RDSEED** (RDSEED instruction is available) -* **ADX** (Intel ADX (Multi-Precision Add-Carry Instruction Extensions)) -* **SHA** (Intel SHA Extensions) -* **AVX512F** (AVX-512 Foundation) -* **AVX512DQ** (AVX-512 Doubleword and Quadword Instructions) -* **AVX512IFMA** (AVX-512 Integer Fused Multiply-Add Instructions) -* **AVX512PF** (AVX-512 Prefetch Instructions) -* **AVX512ER** (AVX-512 Exponential and Reciprocal Instructions) -* **AVX512CD** (AVX-512 Conflict Detection Instructions) -* **AVX512BW** (AVX-512 Byte and Word Instructions) -* **AVX512VL** (AVX-512 Vector Length Extensions) -* **AVX512VBMI** (AVX-512 Vector Bit Manipulation Instructions) -* **MPX** (Intel MPX (Memory Protection Extensions)) -* **ERMS** (Enhanced REP MOVSB/STOSB) -* **RDTSCP** (RDTSCP Instruction) -* **CX16** (CMPXCHG16B Instruction) -* **SGX** (Software Guard Extensions, with activation details) - -## Performance -* **RDTSCP()** Returns current cycle count. Can be used for benchmarking. -* **SSE2SLOW** (SSE2 is supported, but usually not faster) -* **SSE3SLOW** (SSE3 is supported, but usually not faster) -* **ATOM** (Atom processor, some SSSE3 instructions are slower) -* **Cache line** (Probable size of a cache line). -* **L1, L2, L3 Cache size** on newer Intel/AMD CPUs. - -## Cpu Vendor/VM -* **Intel** -* **AMD** -* **VIA** -* **Transmeta** -* **NSC** -* **KVM** (Kernel-based Virtual Machine) -* **MSVM** (Microsoft Hyper-V or Windows Virtual PC) -* **VMware** -* **XenHVM** -* **Bhyve** -* **Hygon** - -# installing - -```go get github.com/klauspost/cpuid``` - -# example - -```Go -package main - -import ( - "fmt" - "github.com/klauspost/cpuid" -) - -func main() { - // Print basic CPU information: - fmt.Println("Name:", cpuid.CPU.BrandName) - fmt.Println("PhysicalCores:", cpuid.CPU.PhysicalCores) - fmt.Println("ThreadsPerCore:", cpuid.CPU.ThreadsPerCore) - fmt.Println("LogicalCores:", cpuid.CPU.LogicalCores) - fmt.Println("Family", cpuid.CPU.Family, "Model:", cpuid.CPU.Model) - fmt.Println("Features:", cpuid.CPU.Features) - fmt.Println("Cacheline bytes:", cpuid.CPU.CacheLine) - fmt.Println("L1 Data Cache:", cpuid.CPU.Cache.L1D, "bytes") - fmt.Println("L1 Instruction Cache:", cpuid.CPU.Cache.L1D, "bytes") - fmt.Println("L2 Cache:", cpuid.CPU.Cache.L2, "bytes") - fmt.Println("L3 Cache:", cpuid.CPU.Cache.L3, "bytes") - - // Test if we have a specific feature: - if cpuid.CPU.SSE() { - fmt.Println("We have Streaming SIMD Extensions") - } -} -``` - -Sample output: -``` ->go run main.go -Name: Intel(R) Core(TM) i5-2540M CPU @ 2.60GHz -PhysicalCores: 2 -ThreadsPerCore: 2 -LogicalCores: 4 -Family 6 Model: 42 -Features: CMOV,MMX,MMXEXT,SSE,SSE2,SSE3,SSSE3,SSE4.1,SSE4.2,AVX,AESNI,CLMUL -Cacheline bytes: 64 -We have Streaming SIMD Extensions -``` - -# private package - -In the "private" folder you can find an autogenerated version of the library you can include in your own packages. - -For this purpose all exports are removed, and functions and constants are lowercased. - -This is not a recommended way of using the library, but provided for convenience, if it is difficult for you to use external packages. - -# license - -This code is published under an MIT license. See LICENSE file for more information. |