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llvm-mirror/tools/gold
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Teresa Johnson 73f09465fc [ThinLTO] Default backend threads to heavyweight_hardware_concurrency 
Summary:
Changes default backend parallelism from thread::hardware_concurrency to
the new llvm::heavyweight_hardware_concurrency, which for X86 Linux
defaults to the number of physical cores (and will fall back to
thread::hardware_concurrency otherwise). This avoid oversubscribing
the physical cores using hyperthreading.

Reviewers: mehdi_amini, pcc

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D25775

llvm-svn: 284618
2016-10-19 17:35:01 +00:00
..
CMakeLists.txt [ThinLTO/gold] Handle bitcode archives 2016-05-26 01:46:41 +00:00
gold-plugin.cpp [ThinLTO] Default backend threads to heavyweight_hardware_concurrency 2016-10-19 17:35:01 +00:00
gold.exports
README.txt

README.txt 

The LLVM Gold LTO Plugin
========================

This directory contains a plugin that is designed to work with binutils
gold linker. At present time, this is not the default linker in
binutils, and the default build of gold does not support plugins.

See docs/GoldPlugin.html for complete build and usage instructions.

NOTE: libLTO and LLVMgold aren't built without PIC because they would fail
to link on x86-64 with a relocation error: PIC and non-PIC can't be combined.
As an alternative to passing --enable-pic, you can use 'make ENABLE_PIC=1' in
your entire LLVM build.