SupportedPlatforms < LHCb

LHCb Web>LHCbComputing>SupportedPlatforms (2019-08-02, MarcoCattaneo) (raw view)
---+ Platforms and compilers supported by LHCb production software
Source code and binaries for supported platforms are available in CVMFS (directory /cvmfs/lhcb.cern.ch/lib/lhcb - $LHCBRELEASES). The following platform+compiler combinations are supported. 

%TOC%

See also:
   * [[LHCbSoftOnNonSupportedPlatforms][Installing the LHCb Software on Linux Platforms not Officially Supported]]
   * Using the CernVM virtual machine
   * CodeAnalysisTools
   * [[https://twiki.cern.ch/twiki/bin/view/LinuxSupport/DistccPilotService#What_compilers_are_supported][Supported platforms for distcc at CERN]]
   * Installation and distribution of LHCb software is also tested via docker containers. Instructions can be found [[LHCbSoftOnDocker][here]].

On lxplus, you can check which compiler/platform combination is supported for a given application version. e.g.: =lb-sdb-query listPlatforms !DaVinci v36r1p3=

---++ Supported compilers and platforms (binary distribution available for x86_64 architecture, optimised and debug builds)
   * On master branch (Run3 software development, production and analysis)
      * gcc 8 ([[http://gcc.gnu.org/onlinedocs/libstdc++/][libstdc++ reference]]) with C++17, on centos7
      * clang 8.0 (configuration x86_64-centos7-clang8-opt). Not fully supported (some failing compilations) but distribution available on cvmfs
   * On run2-patches branch (Run1+Run2 software development and analysis)
      * gcc 8 ([[http://gcc.gnu.org/onlinedocs/libstdc++/][libstdc++ reference]]) with C++17, on centos7
      * clang 8.0 (configuration x86_64-centos7-clang8-opt). Not fully supported (some failing compilations) but distribution available on cvmfs
   * On 2018-patches branch (2018 Moore, Reco18, Stripping34 (pp), Stripping35 (IFT) maintenance and incremental restripping)
      * gcc 6.2 with C++14 compilation enabled and new gcc ABI, on slc6 and centos7
      * gcc 7 with C++14 compilation enabled and new gcc ABI, on centos7
   * On 2017-patches branch (2017 Moore, Reco17, Stripping29 (pp), Stripping33 (IFT) maintenance and incremental restripping)
      * gcc 6.2 with C++14 compilation enabled and new gcc ABI, on slc6 and centos7
      * gcc 4.9 with C++14 compilation enabled (subset supported by gcc49), on slc6
   * On 2016-patches branch (2016 Reco16, Stripping28 (pp), Stripping30 (IFT) maintenance and incremental restripping)
      * gcc 4.9 with C++14 compilation enabled (subset supported by gcc49), on slc6 
   * On hlt-2016-patches branch (2016 Moore maintenance)
      * gcc 4.9 with C++14 compilation enabled (subset supported by gcc49), on slc6 
   * On reco15-patches branch (2015 Moore and Reco15 maintenance)
      * gcc 4.9 with C++14 compilation enabled (subset supported by gcc49), on slc6 
   * On stripping24-patches branch (2015 Stripping24 (pp) maintenance and incremental restripping)
      * gcc 4.9 with C++14 compilation enabled (subset supported by gcc49), on slc6
   * On stripping21-patches branch (2011 and 2012 Stripping21 (pp) incremental restripping)
      * gcc 4.9 with C++14 compilation enabled (subset supported by gcc49), on slc6
   * On digi14-patches branch (digi14 digitisation maintenance)
      * gcc 4.9 with C++11 only, on slc6
      * gcc 4.8 with C++11, on slc6
   * On sim09-patches branch (sim09 simuulation maintenance)
      * gcc 4.9 with C++11 only, on slc6
      * gcc 4.8 with C++11, on slc6
   * On stripping21-firstpass-patches branch (2011 and 2012 Stripping21 (pp) first pass maintenance)
      * gcc 4.8 with C++11, on slc6
   * On reco14-patches branch (2011 and 2012 Reco14 maintenance)
      * gcc 4.6 (C++11 compilation not supported) on slc5
   * On hlt-2012-patches branch (2012 Moore maintenance)
      * gcc 4.6 (C++11 compilation not supported) on slc5
   * On hlt-2011-patches branch (2011 Moore maintenance)
      * gcc 4.3 (C++11 compilation not supported) on slc5


---++ Production platforms (binary distribution available in optimised and debug modes)
   * !CentOS7 with gcc 8.* compiler in 64-bit mode (configurations x86_64-centos7-gcc8-opt, x86_64-centos7-gcc8-dbg  (using gcc -Og option))
      * Built with -m sse4.2
      * Available for Run 3 software (master branch) and Run 1 and Run 2 software (run2-patches branch)
      * Default platform on lxplus since 11th June 2019.


---++ Future platforms
   * gcc9
      * A migration to gcc9 is being prepared 
   * AVX512
      * A build for AVX512 is foreseen. This will be introduced together with a new platform ID convention, see proposal [[https://codimd.web.cern.ch/p/ryXRVXJSE#/][here]]

---++ Old production platforms
   * CERN Scientific Linux 6 (SLC6) with gcc 8.* compiler in 64-bit mode (configurations x86_64-slc6-gcc8-opt, x86_64-slc6-gcc8-dbg  (using gcc -Og option))
      * Built with -m sse4.2
      * Available for Run 3 software (master branch) until v50r4 stack and Run 1 and Run 2 software (run2-patches branch) until v45r0 stack
      * Default platform on lxplus6 since 11th June 2019
   * CERN Scientific Linux 6 (SLC6) with gcc 6.2.* compiler in 64-bit mode (configurations x86_64-slc6-gcc62-opt, x86_64-slc6-gcc62-dbg  (using gcc -Og option))
      * As of Gaudi v28r1, built with -m sse4.2
      * Default platform on lxplus from 19th February 2018 to 10th June 2019.
      * Available only on 2017-patches and 2018-patches branches
   * !CentOS7 with gcc 7.* compiler in 64-bit mode (configurations x86_64-centos7-gcc7-opt, x86_64-centos7-gcc7-dbg  (using gcc -Og option))
      * Built with -m sse4.2
      * Available only on 2018-patches branch
   * CERN Scientific Linux 6 (SLC6) with gcc 4.9.* compiler in 64-bit mode (configurations x86_64-slc6-gcc49-opt, x86_64-slc6-gcc49-dbg  (using gcc -Og option))
      * C++14 features (subset supported by gcc49) were allowed as of LHCb v41r* software stack (compatibility with gcc48 platforms dropped)
      * Supported up to 2017-patches stack, discontinued as from LHCb v43r* stack
   * CERN Scientific Linux 6 (SLC6) with gcc 4.8.* compiler in 64-bit mode (configurations x86_64-slc6-gcc48-opt, x86_64-slc6-gcc48-dbg  (using gcc -Og option) and x86_64-slc6-gcc48-do0 (using -O0, only works with cmake).
      * gcc 4.8 ([[http://gcc.gnu.org/onlinedocs/libstdc++/][libstdc++ reference]]) with C++11 compilation enabled.
      * C++11 features are supported as of Gaudi v25r0 + LHCb v37r0 (compatibility with gcc46 platforms dropped)
         * See [[https://twiki.cern.ch/twiki/bin/view/LHCb/Cpp11HowTo][here]] for recipes to fix common C++11 compilation errors.
      * Discontinued as from LHCb v41r* software stack.
   * CERN Scientific Linux 6 (SLC6) with gcc 4.6.* compiler in 64-bit mode (CMT configurations x86_64-slc5-gcc46-opt, x86_64-slc5-gcc46-dbg)
      * Not available for projects based on Gaudi v25r0 or greater
      * C++11 compilation is not supported for this platform
      * See also [[Slc6][here]] and [[Slc6Faq][here]] for porting and migration issues
   * CERN Scientific Linux 5 (SLC5) with gcc 4.6.* compiler in 64-bit mode (CMT configurations x86_64-slc5-gcc46-opt, x86_64-slc5-gcc46-dbg)
      * Not available for projects based on Gaudi v25r0 or greater
      * C++11 compilation is not supported for this platform
      * Help and suggestions for porting the code to gcc 4.6 can be found on Gcc46PortIssues.
   * CERN Scientific Linux 5 (SLC5) with gcc 4.3.* compiler in 64-bit mode (CMT configurations x86_64-slc5-gcc43-opt, x86_64-slc5-gcc43-dbg)
      * Not available for projects based on Gaudi v23r8 or greater
      * See [[gcc43PortIssues][here]] for issues with porting to gcc 4.3 from gcc 3.4.
   * CERN Scientific Linux 5 (SLC5) in 64 bit mode with icc 11.1 compiler (CMT configurations x86_64-slc5-icc11-opt, x86_64-slc5-icc11-dbg)
      * Not available for projects based on Gaudi v23r7 or greater
      * See [[iccRecipes][here]] for usage instructions and recipes to fix common warnings. 
   * CERN Scientific Linux 5 (SLC5) with gcc 4.3.* compiler in 32-bit mode (CMT configurations i686-slc5-gcc43-opt, i686-slc5-gcc43-dbg)
      * Not available for projects based on Gaudi v23r6 or greater
      * This is the last available platform with gcc 32-bit support
   * CERN Scientific Linux 4 (SLC4) with gcc 3.4.* compiler in 32-bit mode (CMT configurations slc4_ia32_gcc34, slc4_ia32_gcc34_dbg)
      * Using 32-bit compatibility libraries on systems booted with 64-bit SLC4
      * Not available for projects based on Gaudi v22r0 or greater
   * CERN Scientific Linux 4 (SLC4) with gcc 3.4.* compiler in 64-bit mode (CMT configurations slc4_amd64_gcc34, slc4_amd64_gcc34_dbg)
      * Not available for projects based on Gaudi v22r0 or greater
   * CERN Scientific Linux 3 (SLC3) with gcc 3.2.3 compiler (CMT configurations slc3_ia32_gcc323, slc3_ia32_gcc323_dbg)
      * Binary distribution available in optimised mode for projects older than December 2007
      * Please note that, for releases in October and November 2006 (LHCb v21r8 to v21r11) binaries were built with the flags =-msse2 -mfpmath=sse= so they will not work on older machines that do not support the sse2 instruction set (e.g. Pentium III, AMD Sempron)
      * Please note that access to SLC3 machines at CERN is no longer available
      * Not available for projects based on LHCb v23r0 or greater. 
   * Windows 32 bit with Visual Studio 9 compiler (CMT configuration i686-winxp-vc9-dbg) (see also [[WindowsDevEnv][Windows Development Environment]]) 
      * Visual C++ 9.0
      * Was dropped in October 2011


---++ Other ports
   * Brunel was successfully ported in 2013 to the ARM processor. See [[https://twiki.cern.ch/twiki/bin/view/LHCb/LHCbSoftwareStackOnARM][here]] for R&D for the ARM done at that time
   * There is no plan for a port to Mac OSX 10.*. Some old instructions on building from source can be found [[LHCbSoftOnOSX][here]].

-- Main.MarcoCattaneo - 2019-08-02
Topic revision: r73 - 2019-08-02 - MarcoCattaneo
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