cpu

package

v0.0.0-...-bc21918 Latest Latest Go to latest Published: Nov 12, 2021 License: Apache-2.0, BSD-2-Clause, BSD-3-Clause, + 8 more Imports: 2 Imported by: 0

Details

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Repository

github.com/apache/arrow

README ¶

Package cpu

Copied from Go src/internal/cpu

Extras

Intel

The INTEL_DISABLE_EXT environment variable can control which CPU extensions are available for the running process. It should be a comma-separate list of upper-case strings as follows

Flag	Description
`ALL`	Disable all CPU extensions and fall back to Go implementation
`AVX2`	Disable AVX2 optimizations
`AVX`	Disable AVX optimizations
`SSE`	Disable all SSE optimizations
`SSE4`	Disable SSE42, SSE41 optimizations
`SSSE3`	Disable supplemental SSE3 optimizations
`SSE3`	Disable SSE3 optimizations
`SSE2`	Disable SSE2 optimizations

Any unrecognized flags will be ignored and therefore it is possible to leave the environment variable with a bogus value such as NONE when experimenting.

Documentation ¶

Rendered for

Overview ¶

Package cpu implements processor feature detection used by the Go standard library.

Constants ¶

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const CacheLineSize = 64

Variables ¶

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var ARM64 arm64

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var PPC64 ppc64

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var X86 x86

Functions ¶

This section is empty.

Types ¶

This section is empty.

Source Files ¶

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