Thursday 12 Jul 2012
ETSF 200 people 15 projects
goal seamless exchange psedudopptential data take two:create a library License LGPL
developer schools (C, python, fourtnd)
VCS python libraries language binding file format debugging profileing building source code with autotools
package experimental package - ubuntu ppa
high performance computing and free software
Linux pc 愈來愈多, 多過unix...
beowful cluster install/mangment HPC cluster HPC cluster
parallel computing distributed computing supercomputing high performance computing
top500
linpack benchmaek
cloud bigdata
beowulf first cluster with standard hardware and FOSS
to have faster, just add nodes
today's beowulf linux resource manager, monitor, parallel file system gcc, openmpi, ...
install, monitor, scheduler, auth, hateway, frontend, storage
kickstart, autoyast, fai partimag, systemimager, dd, netcat puppet,rsync.. dsh,pdsh
schedulers Torque/Maui, SLURM, OAR, son og grid engine
monitoring ganglia nagios
easy xCAT, rocks, OSCAR
parallel file system NFS glusterFS
PVFS2 Lustre
gcc...
paralleisation gcc+openmp shared memory MPI distributed memory
performance measure gprof, kprof, valgrind
benchmark artificial : HPL STREAM application: cp2k, palabos, gear, lammps, namd, quantumESPRESSO
old convert log: ./12/tag%3E%20calendar%202012%2007)
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