Introduction to version 10.2 and responses to IF requests Makoto - - PowerPoint PPT Presentation

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Introduction to version 10.2 and responses to IF requests Makoto - - PowerPoint PPT Presentation

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Introduction to version 10.2 and responses to IF requests Makoto Asai SLAC SD/EPP Version 10.2 Released on December 4 th , 2015 Further improvements in both compu>ng speed and memory consump>on. Preliminary benchmarks show a

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Introduction to version 10.2 and responses to IF requests

Makoto Asai

SLAC SD/EPP

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Version 10.2

  • Released on December 4th, 2015
  • Further improvements in both compu>ng speed and memory consump>on.

– Preliminary benchmarks show a few % speedup with sizable memory reduc>on

  • New features include:

– C++11 na>ve code – Unified Solids Library is now installed as an external package – Updated Goudsmit-Sounderson mul>ple scaRering model for e+/e- – Full Auger atomic de-excita>on cascade simula>on – Alterna>ve Geant4-DNA physics models for liquid water – Improved simula>on of low-energy, evaporated nucleons by Fri>of model coupled with Precompond-de-excita>on model – A new model for nuclear gamma de-excita>on – Neutron_HP is merged into Par>cle_HP, which also deals with proton, deuteron, triton, 3He and alpha – Substan>al revision of the Radioac>ve Decay model – “Batch plo\ng" facility in G4tools – Dedicated thread of Visualiza>on for “real->me” event display – See presenta>ons at the recent Technical Forum for details

  • hRps://indico.cern.ch/event/461356/>metable/#20151209

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Placorms

  • Compila>on using the C++11 Standard is now mandatory.
  • Cmake 3.3 or higher is required.
  • Placorms:

– Linux, gcc-4.8.3 on 64 bit architectures (Intel or AMD) with CERN CentOS Linux 7 (CC7) (based on CentOS Linux 7). – MacOSX 10.11 with clang-3.7 (Apple LLVM/Clang-7.0.0) – Windows7 with Visual C++ 14.0 (Visual Studio 2015)

  • More verified and tested configura>ons (64 bits):

– Linux, gcc-4.9.3, gcc-5.2.0, clang-3.6 – Linux, Intel-icc 15.0, 16.0 – MacOSX 10.10 with clang-3.6 – MacOSX 10.9 with clang-3.5 – Windows7 with Visual C++ 12.0 (Visual Studio 2013) – Linux for Intel Xeon Phi with Intel-icc 15.0, 16.0 (gcc-4.9 compa>bility layer)

  • Note: Windows placorms are supported/verified only for the sequen>al mode.

Mul>threading capability is not yet supported on Windows.

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Recent patch releases

  • Nov 30th, 2012 – Geant4 version 9.6 release

– Feb 4th, 2015 - Geant4 9.6-patch04 release

  • Dec 6th, 2013 – Geant4 version 10.0 release

– Mar 6th, 2015 - Geant4 10.0-patch04 release

  • Dec 5th, 2014 – Geant4 version 10.1 release

– Jun 19th, 2015 - Geant4 10.1-patch02 release

  • Versions 10.0 and 10.1 will be supported with necessary patches at least for 2016.

– They are kept compliant with C++98.

  • We stop full support of version 9.6.

– Individual cases may be discussed.

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Coming events

  • Releases

– Next release : early December 2016 (date t.b.c.)

  • Next beta release : end of June 2016

– Patch releases for versions 10.0, 10.1 and 10.2 will be made as needed

  • Next Technical Forum on March 23, 2016

– Main topic : 2016 work plan

  • Dran 2016 work plan will be publicized in advance for user’s feedbacks

– User’s input on requirements is welcome

  • New/improved func>onali>es, supported placorms, etc.
  • Tutorials

– April 25-29, 2016 @ SMU, Dallas TX.

  • Registra>on starts in a couple of weeks.

– Further tutorials will be announced through the Geant4 announcement mailing list and also on the collabora>on web pages.

5 Introduction to version 10.2 and responses to the IF requests - M. Asai

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Responses to IF requests

  • Thank Laura and Carl once again for their comprehensive presenta>ons!
  • Four kinds of requests

– Major development requirements we will integrate into our annual work plan

  • Listed in our Requirements Tracking System
  • hRps://jira-geant4.kek.jp/secure/Dashboard.jspa

– Other development / enhancement requests

  • Some of minor requests have been already addressed, some will come.
  • A few are too difficult and need to seek resources.

– Support requests

  • Discussions have started or soon arranged.
  • Examples may be created for some “common” requests.

– Need further communica>on / clarifica>on / diges>on

  • Discussions have started or soon arranged.

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Both EM and hadronic showers already treated in detail as part of ongoing improvement and valida>on of models and physics lists (LHC, Calice, etc.). Further discussion in the following presenta>on.

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Cosmic rays are currently reasonably well treated up to about 1 TeV using exis>ng EM and hadronic and weak models. Muon-nuclear interac>ons (and gamma-nuclear) need more data for valida>on. Also a more sophis>cated (full weak interac>on) model is required to augment the current low momentum transfer model (big job). More discussion at the following presenta>on.

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Muon spin tracking process already available, and the outstanding bug was addressed with version 10.2. Patch to v10.1 underway. An>-proton produc>on handled exclusively by FTF model. Aner valida>on against G4 V 10.1 or 10.2, will see if FTF can be improved or if Ber>ni needs to be extended to handle an>-protons UR-28

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Geant4 already has rudimentary capabili>es

  • f handling these requirements.

Connec>ng NEST and extending it to liquid Argon will ul>mately address them, but need resources. Pion and kaon decays already exist with sufficient detail to do par>cle

  • ID. Was done in BaBar.
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Discussions in the following presenta>on. UR-29

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Func>onality already exists. We can offer immediate support of inser>ng user’s data, which will hopefully polished to future example code.

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Discussions in the following presenta>on.

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Discussions in the following presenta>on. UR-30

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Need further communica>on / clarifica>on / diges>on.

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Support request. Follow-up will be arranged.

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Bugs have been fixed for v10.2. Patch release to v10.1 is underway.

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An>-proton produc>on handled exclusively by FTF model. Aner valida>on against G4 V 10.1 or 10.2, will see if FTF can be improved or if Ber>ni needs to be extended to handle an>-protons UR-28

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Neutron cross-sec>on is reasonably precise with Par>cle_HP (Neutron_HP). We have an op>onal model (thermal- scaRering model) to handle an atom in a molecule, though it requires dataset for each molecule.

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In version 10.2 we have improved de- excita>on and radioac>ve decay modules, but there is no correla>on between more than one gammas. Further improvements are planned. UR-31

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Func>onality exists. Data of each material is not known to us and should be provided by the user / vender. Shielding physics list is maintained as such.

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In version 10.2, (α, n) is handled in reasonable accuracy by Par>cle_HP. We do not have spontaneous fission except Californium. We have no immediate work plan for adding other nucleus unless we find resources. Solu>on for XMASS experiment exists.

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Geant4 10.2 and Gaudi-hive are well connected. Further improvements are underway. UR-12 Discussion for support of user-part of code ini>ated. Support request. Discussion started.

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Func>onality exists. Support provided. These are outside of Geant4 func>onality.

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CADMesh is the most sophis>cated solu>on. Alterna>ve solu>ons through GDML are also available. Valuable request but need resources. Need further communica>on to understand the issue. Need further communica>on to understand the issue.

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In version 10.2 we have improved muon- nucleus interac>on model. Further developments are planned, but beRer than 10 % would be challenging. UR-32

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