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a small C library for x86 CPU detection and feature extraction
198 commits 1 branch 15 tags 5.3 MiB
C 76.3%
C++ 12%
Python 7.9%
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Veselin Georgiev d954213667 Speed up "make test" (around 5 times). 
The reason for the apparent slowness was that the "cpuid_tool" that
was being called from run_tests.py is actually a shell script - a
wrapper, installed by libtool. The script was heavy enough to cause
substantial overhead. Just bypassing it (by using the real
cpuid_tool binary) reduced "make test" running time from 4.1 to 0.7s
on my machine.

It is a bit hacky, though, so "make test-old" is retained, which
uses the old invocation.
2016-01-17 03:49:05 +02:00
contrib/MSR Driver Added support for reading MSRs through dedicated driver on Win32 2009-09-30 11:25:14 +00:00
cpuid_tool Update cpuid_tool to print the new supported MSR info. 2015-10-16 03:07:55 +03:00
debian Address lintian warnings/errors. Fixes issue #16. 2015-04-21 12:23:51 -04:00
libcpuid Fix X2APIC, AES, XSAVE and OSXSAVE feature detection on AMD processors 2016-01-16 10:53:28 -05:00
tests Fix tests 2016-01-16 10:55:08 -05:00
.gitignore Two more autogenerated files to the ignore list. 2015-04-16 21:19:27 +03:00
AUTHORS Moving the repository one level deeper 2008-11-06 18:17:20 +00:00
ChangeLog Bump the version to 0.2.2 (and briefly describe changes since 2012). 2015-11-04 01:31:22 +02:00
configure.ac Bump the version to 0.2.2 (and briefly describe changes since 2012). 2015-11-04 01:31:22 +02:00
COPYING Moving the repository one level deeper 2008-11-06 18:17:20 +00:00
libcpuid.dsw Ported to Microsoft Visual C 6.0 2012-08-25 23:14:59 +00:00
libcpuid.pc.in Incorrect path in .pc file - fixed; Clarified documentation a bit 2008-11-28 16:17:29 +00:00
libcpuid_vc9.sln Renamed VC project files so that project for versions lower than Visual C++ 2008 can be made. 2009-08-19 21:14:39 +00:00
libcpuid_vc71.sln Added project files for Visual Studio 2003 (VC 71), added an option to build libcpuid as a DLL. 2009-08-19 21:43:56 +00:00
Makefile.am Speed up "make test" (around 5 times). 2016-01-17 03:49:05 +02:00
NEWS Moving the repository one level deeper 2008-11-06 18:17:20 +00:00
README Convert README to markdown. 2015-11-04 01:31:23 +02:00
Readme.md Add ucbench to the users list. 2015-11-04 01:35:06 +02:00

Readme.md

libcpuid

libcpuid provides CPU identification for the x86 (and x86_64). For details about the programming API, please see the docs on the project's site (http://libcpuid.sourceforge.net/)

Configuring after checkout

Under linux, where you download the sources, there's no configure script to run. This is because it isn't a good practice to keep such scripts in a source control system. To create it, you need to run the following commands once, after you checkout the libcpuid sources from github:

    1. run "libtoolize"
    2. run "autoreconf --install"

You need to have autoconf, automake and libtool installed.

After that you can run ./configure and make - this will build the library.

make dist will create a tarball (with "configure" inside) with the sources.

Users

So far, I'm aware of the following projects which utilize libcpuid:

We'd love to hear from you if you are also using libcpuid and want your project listed above.