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If you compile software on an expensive supercomputer, it’s a good idea to select the languages and compilers with particular care. We report on tried-and-proved tools used on Super ... inauguration in 2012, SuperMUC clocked in at around 3 PFLOPS and was once the fastest computer in Europe and the fourth fastest in the world. In the meantime, it is now in 40th place on the TOP500 list and has ... If you compile software on an expensive supercomputer, it’s a good idea to select the languages and compilers with particular care. We report on tried-and-proved tools used on Super

.pl 00:00:00.50023 The output shows the amount of computing time the database engine consumed. You can pass in the desired time as a CGI parameter: $ curl http://localhost/cgi/burn0.pl\?3 00:00

-sent:           22,334 (total)              0/s  (Per-Sec)    pkts-recv:           68,018 (total)              2/s  (Per-Sec) lo    Bytes-sent:          2.55 K (total)         0.00 B/s  (Per-Sec)    Bytes

 -s 12:00:00 -e 13:00:00 Linux 3.5.0-43-generic (hercules)         02.12.2013      _x86_64_        (2 CPU)    12:05:01        CPU     %user     %nice   %system   %iowait    %steal     %idle 12

jcb@hercules:# sar -u -f /var/log/sysstat/sa02 -s 12:00:00 -e 13:00:00 Linux 3.5.0-43-generic (hercules) 02.12.2013 _x86_64_ (2 CPU) 12:05:01 CPU %user %nice %system

-> ../../devices/pci0000:00/0000:00:03.0/net/eth0 |---lo -> ../../devices/virtual/net/lo The device is no longer listed in the default namespace. Listing 3 Configuring Devices $ ip link set eth1

without profiling). Listing 3 pprofile Output Command line: md_002.py Total duration: 1662.48s File: md_002.py File duration: 1661.74s (99.96%) Line #| Hits| Time| Time per hit

: Qmail Delivery Retry Events Delivery Attempt Seconds D-HH:MM:SS 1 0 0-00:00:00 2 400 0-00:06:40 3 1600 0-00:26:40 4

, 378501 c/s virtual 18 Long: 1063K c/s real, 1063K c/s virtual 19 20 Benchmarking: LM DES [64/64 BS]... DONE 21 Raw: 8214K c/s real, 8214K c/s virtual 22 23 Benchmarking: NT MD4 [Generic 1x]... DONE 24

; in Listing 3, the bridge device is then configured with its IP address and other parameters. Listing 2 Network Configuration (1) [Match] Name=enp2s25 [Network] Bridge=docker0 Listing 3