How to install PyPy on CentOS

Notes on installing PyPy on CentOS

After a lot of trial and error to install PyPy on CentOS, it was enough to drop it from the epel repository, so I'll leave a note. You can drop the source and compile it, but be prepared for the challenging type because it consumes a lot of memory and time.

wrap up

Since the text was long and full of logs, only the necessary commands are listed. Just download the rpm package from the epel repository.

# yum --enablerepo=epel,rpmforge,remi search pypy
# yum --enablerepo=epel,rpmforge,remi info pypy
# yum --enablerepo=epel install pypy
# yum --enablerepo=epel install pypy-devel

trial and error

I tried the following two methods to download from the PyPy page.

  1. [Linux x86 binary (64bit, tar.bz2 built on Ubuntu 12.04) in 2.2.1 of PyPy --Download .2 LTS)](https://bitbucket.org/pypy/pypy/downloads/pypy-2.2.1-linux64.tar.bz2) binary used
  1. Source (tar.bz2) in 2.2.1 of PyPy --Download Compile from .org / pypy / pypy / downloads / pypy3-2.1-beta1-src.tar.bz2) source

So I decided to look for the rpm package in the repository.

Installation from repository

Check CentOS version

Check the version of CentOS for the time being.

# cat /etc/redhat-release
CentOS release 6.5 (Final)

Search for PyPy with the yum search command

I did a yum search with the --enablerepo option, specifying to search from the epel, rpmforge, and remi repositories. If you have not added the repository in the first place, please add it referring to the following article.

# yum --enablerepo=epel,rpmforge,remi search pypy
Loaded plugins: fastestmirror, security
Loading mirror speeds from cached hostfile
 * base: ftp.iij.ad.jp
 * epel: ftp.jaist.ac.jp
 * extras: ftp.iij.ad.jp
 * remi: remi.kazukioishi.net
 * rpmforge: ftp.kddilabs.jp
 * updates: ftp.iij.ad.jp
=================================================================== N/S Matched: pypy ===================================================================
pypy-devel.i686 : Development tools for working with PyPy
pypy-devel.x86_64 : Development tools for working with PyPy
pypy-libs.x86_64 : Run-time libraries used by PyPy implementations of Python
pypy.x86_64 : Python implementation with a Just-In-Time compiler

  Name and summary matches only, use "search all" for everything.

Check repositories and other information with the yum info command

Yum search doesn't know which repository has PyPy, so use yum info to identify it. Also check the version.

# yum --enablerepo=epel,rpmforge,remi info pypy
Loaded plugins: fastestmirror, security
Loading mirror speeds from cached hostfile
 * base: ftp.iij.ad.jp
 * epel: ftp.jaist.ac.jp
 * extras: ftp.iij.ad.jp
 * remi: remi.kazukioishi.net
 * rpmforge: ftp.kddilabs.jp
 * updates: ftp.iij.ad.jp
Available Packages
Name        : pypy
Arch        : x86_64
Version     : 2.0.2
Release     : 1.el6
Size        : 7.3 M
Repo        : epel
Summary     : Python implementation with a Just-In-Time compiler
URL         : http://pypy.org/
License     : MIT and Python and UCD
Description : PyPy's implementation of Python, featuring a Just-In-Time compiler on some CPU
            : architectures, and various optimized implementations of the standard types
            : (strings, dictionaries, etc)
            :
            :
            : This build of PyPy has JIT-compilation enabled.

Install with the yum install command

According to the information so far, pypy is in the epel repository, so specify epel for --enablerepo and install it.

# yum --enablerepo=epel install pypy
Loaded plugins: fastestmirror, security
Loading mirror speeds from cached hostfile
 * base: ftp.iij.ad.jp
 * epel: ftp.jaist.ac.jp
 * extras: ftp.iij.ad.jp
 * updates: ftp.iij.ad.jp
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package pypy.x86_64 0:2.0.2-1.el6 will be installed
--> Processing Dependency: pypy-libs = 2.0.2-1.el6 for package: pypy-2.0.2-1.el6.x86_64
--> Running transaction check
---> Package pypy-libs.x86_64 0:2.0.2-1.el6 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

=========================================================================================================================================================
 Package                               Arch                               Version                                 Repository                        Size
=========================================================================================================================================================
Installing:
 pypy                                  x86_64                             2.0.2-1.el6                             epel                             7.3 M
Installing for dependencies:
 pypy-libs                             x86_64                             2.0.2-1.el6                             epel                             5.0 M

Transaction Summary
=========================================================================================================================================================
Install       2 Package(s)

Total download size: 12 M
Installed size: 70 M
Is this ok [y/N]: y
Downloading Packages:
(1/2): pypy-2.0.2-1.el6.x86_64.rpm                                                                                                | 7.3 MB     00:01
(2/2): pypy-libs-2.0.2-1.el6.x86_64.rpm                                                                                           | 5.0 MB     00:00
---------------------------------------------------------------------------------------------------------------------------------------------------------
Total                                                                                                                    4.6 MB/s |  12 MB     00:02
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Warning: RPMDB altered outside of yum.
  Installing : pypy-libs-2.0.2-1.el6.x86_64                                                                                                          1/2
  Installing : pypy-2.0.2-1.el6.x86_64                                                                                                               2/2
  Verifying  : pypy-2.0.2-1.el6.x86_64                                                                                                               1/2
  Verifying  : pypy-libs-2.0.2-1.el6.x86_64                                                                                                          2/2

Installed:
  pypy.x86_64 0:2.0.2-1.el6

Dependency Installed:
  pypy-libs.x86_64 0:2.0.2-1.el6

Complete!

Also include devel

Let's put in devel for the time being.

# yum --enablerepo=epel install pypy-devel
Loaded plugins: fastestmirror, security
Loading mirror speeds from cached hostfile
 * base: ftp.iij.ad.jp
 * epel: ftp.jaist.ac.jp
 * extras: ftp.iij.ad.jp
 * remi: remi.kazukioishi.net
 * rpmforge: ftp.kddilabs.jp
 * updates: ftp.iij.ad.jp
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package pypy-devel.x86_64 0:2.0.2-1.el6 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

=========================================================================================================================================================
 Package                               Arch                              Version                                   Repository                       Size
=========================================================================================================================================================
Installing:
 pypy-devel                            x86_64                            2.0.2-1.el6                               epel                             35 k

Transaction Summary
=========================================================================================================================================================
Install       1 Package(s)

Total download size: 35 k
Installed size: 88 k
Is this ok [y/N]: y
Downloading Packages:
pypy-devel-2.0.2-1.el6.x86_64.rpm                                                                                                 |  35 kB     00:00
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing : pypy-devel-2.0.2-1.el6.x86_64                                                                                                         1/1
  Verifying  : pypy-devel-2.0.2-1.el6.x86_64                                                                                                         1/1

Installed:
  pypy-devel.x86_64 0:2.0.2-1.el6

Complete!

Operation check

Hello World

Run the classic Hello World.

$ pypy
Python 2.7.3 (f66246c46ca30b26a5c73e4cc95dd6235c966b8f, Jul 30 2013, 09:27:06)
[PyPy 2.0.2 with GCC 4.4.7 20120313 (Red Hat 4.4.7-3)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>>> print("Hello World")
Hello World

It was displayed.

Comparison of execution times.

Compare the execution time with the function used in Comparison of execution time of CPython and PyPy.

CPython

>>> rangelist = range(1,10000000)
>>> print reduce(lambda x, y: x + y, [testfunc1(rangelist) for temp in range(10)])/10
0:00:01.717502
>>> print reduce(lambda x, y: x + y, [testfunc2(rangelist) for temp in range(10)])/10
0:00:01.183652
>>> print reduce(lambda x, y: x + y, [testfunc3(rangelist) for temp in range(10)])/10
0:00:00.734407

PyPy

>>> rangelist = range(1,10000000)
>>> print reduce(lambda x, y: x + y, [testfunc1(rangelist) for temp in range(10)])/10
0:00:01.017655
>>> print reduce(lambda x, y: x + y, [testfunc2(rangelist) for temp in range(10)])/10
0:00:00.983054
>>> print reduce(lambda x, y: x + y, [testfunc3(rangelist) for temp in range(10)])/10
0:00:00.250842

Execution time in PyPy is much shorter than in CPython.

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