CSC Yearly Team Meeting 2013 Edition October 18th, 2013 Dr. Sébastien Varrette
Short CV 33 years old, married (2004), 2 children (Adrien 2007, Chloé 2010) 2003: Computer Science Master s degrees Telecom department ENSIMAG, Grenoble, France Cryptology, Security and Information Coding, UJF/INPG, Grenoble, France 2007: Joint PhD in computer science (UL/INPG) Security in Large Scale Distributed Systems: Authentication and Result Checking. Supervision: J.-L. Roch (INPG) / F. Leprévost (UL) In Teambouvry since 2007 (permanent position) Research associate UL HPC Manager with Pascal Supervision: [PhD.] Ben, Jakub [HPC sysadmins: me, Hya & Fotis] [Student Assistant] Valentin 2
System Administration Gforge http://gforge.uni.lu 256 hosted projects 340 registered users Collaboration tool svn, git, www Etherpad, Jabber, StackEdit http://im.csc.uni.lu http://hpc.uni.lu/stackedit Server/VMs managed 132 servers (107 VMs) 291 computing nodes 3
UL HPC Platform http://hpc.uni.lu No more Chuck Norris facts... 4
UL HPC Platform http://hpc.uni.lu 2 geographical sites 3 admins 4 clusters: 291 nodes, 2944 cores (27.36 TFlops) 1042 TB (raw storage, incl. backup) NFS + Lustre > 4M Hardware investment so far Open-Source software stack Debian, SSH, OpenLDAP, Puppet, FAI... 5
UL HPC Platform http://hpc.uni.lu 6
UL HPC Platform: 2013 achievements Continuous acquisition/integration of new HW/services servers, storage, nodes, interconnect (IB/10GbE)... XCS portal / Visualization nodes (remote direct 3D rendering) Research/Evaluation of cutting-edge HPC HW ARM-based high density [un]stable enclosures [EE-LSDS 13] M. Jarus, S. Varrette, A. Oleksiak, and P. Bouvry. Performance Evaluation and Energy Efficiency of High-Density HPC Platforms Based on Intel, AMD and ARM Processors. In Proc. of the Intl. Conf. on Energy Efficiency in Large Scale Distributed Systems (EE-LSDS 13), volume 8046 of LNCS, Vienna, Austria, Apr 2013. [CGC 13] [Poster] V. Delplace, P. Manneback, F. Pinel, S. Varrette and P. Bouvry. 0.1 Comparing the Performance and Power Usage of GPU and ARM Clusters for Map- 0.01 Reduce. In CGC 13. Karlsruhe, Oct. 2013 PpW LOGSCALE 100000 10000 1000 100 10 1 Intel Core i7 AMD G T40N Atom N2600 Intel Xeon E7 ARM Cortex A9 OSU Lat. OSU Bw. HPL HPL Full CoreMark Fhourstones Whetstones Linpack Green Graph500 entry (14th) [credits: Xav] http://green.graph500.org/lists.php 7
Research: IT Security [with Ben] Nature-inspired Source Code obfuscation shadobf: MOEA PIPS-based C obfuscator jshadobf: MOEA PIPS-based JavaScript obfuscator [NSS 13] B. Bertholon, S. Varrette, and P. Bouvry. JShadObf: A JavaScript Obfuscator based on Multi-objective Optimization Algorithms. In Proc. of the IEEE Intl. Conf. on Network and System Security (NSS 2013), volume 7873 of LNCS, pages 336 349, Madrid, Spain, June 2013. Springer Verlag. [NIDISC 13] B. Bertholon, S. Varrette, and S. Martinez. ShadObf: A C-source Obfuscator based on Multi-objective Optimization Algorithms. In Proc. of the 16th Intl. Workshop on Nature Inspired Distributed Computing (NIDISC 2013), part of the 27th IEEE/ACM Intl. Parallel and Distributed Processing Symposium (IPDPS 2013), Boston (Massachusetts), USA, May 20 24 2013. [COMPAS 13] S. Martinez, S. Varrette, and B. Bertholon. Optimisation d obfuscation de code source au moyen d algorithmes évolutionnaires multi-objectifs. [Poster] - ComPAS 13, Jan 2013. TPM-based protection of IaaS platforms cf TSI 12 and CLOUD 11 Incoming: FNR Proof-of-Concept Grant 8
Research: IT Security [with Jakub, Juan-Lu] Follow up on cheater impact... Without cheaters ;) Convergence analysis of peas over Small-World networks Started as a collaboration with Juan-Lu Extension in progress... - With cheaters and counter-measures [CEC 13] J. Muszynski, S. Varrette, and P. Bouvry. Expected Running Time of Parallel Evolutionary Algorithms on Unimodal Pseudo-Boolean Functions over Small-World Networks. In Proc. of the IEEE Congress on Evolutionary Computation (CEC 2013), Cancu ń, Mexico, June 2013 9
Research: Perf./Energy-Eff. of HPC systems Overhead of Virtualization Layer on HPC Workloads Q: does HPC workloads suits Cloud? Evaluation on Xen, KVM and VMware Hypervisors. [with Valentin,Mateusz,Xav] Benchmarks: HPL, HPCC, Graph500, Bonnie++, IOZone... Validation on Grid 5000 [SBAC-PAD 13] S. Varrette, M. Guzek, V. Plugaru, X. Besseron, and P. Bouvry. HPC Performance and Energy-Efficiency of Xen, KVM and VMware Hypervisors. In Proc. of the 25th Symposium on Computer Architecture and High Performance Computing (SBAC-PAD 2013), Porto de Galinhas, Brazil, Oct. 2013. [EE-LSDS 13] M. Guzek, S. Varrette, V. Plugaru, J. E. Sanchez, and P. Bouvry. A Holistic Model of the Performance and the Energy- Efficiency of Hypervisors in an HPC Environment. In Proc. of the Intl. Conf. on Energy Efficiency in Large Scale Distributed Systems (EE- LSDS 13), volume 8046 of LNCS, Vienna, Austria, Apr 2013. Hardware approaches: cf. ARM evaluation [with Fred] MAS for Energy-efficient computing [with Greg, Mateusz, Xav] Software approach to build greener code 10
Conclusion Incoming events ACIIDS 14 (April 2014, Bangkok) Session EAs for Cloud Computing Systems NIDISC 14 (May 2014, Phoenix) Nature Inspired Distributed Computing META 14 (Oct 2014, Marrakech) Session Metaheuristics and cloud computing Incoming AFR Postdoc Joseph Emeras RJMS / HPC workload analysis Decision in Dec. 2013, Starting date: march 2013. 11