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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 ... (pragmas). As a rule, such options also include hardware-specific optimizations, as described below. Although the selection of the compiler plays a key role from the provider’s point of view, in comparisons ... 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

=libaio, iodepth=32 fio-3.12 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][w=1420KiB/s][w=355 IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=3377: Sat Jan 9 15:31:04 2021 write: IOPS=352, BW=1410KiB/s

. According to the announcement at the ISC website, this year’s event, which was scheduled for June 22-24 will move to an online format that will be “free to everyone so the HPC community can benefit from it ... Coronavirus concerns cause cancellation of Europe’s largest HPC event in favor of a digital alternative.

. Is it possible to write a script that reproduces the information provided by uptime and top ? The answer is yes, and it’s not too difficult with a little help. In the following sections, I present Python scripts

 -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

-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

1-12:00:00 20 144400 1-16:06:40 21 160000 1-20:26:40 22 176400 2-01:00:00 23 193600 2-05:46:40 24

The US Department of Energy’s Oak Ridge National Laboratory (ORNL) has announced the debut of the new Summit supercomputer, which they are calling “the world's most powerful and smartest scientific ... New Summit system will be eight times more powerful than DOE’s Titan system.

stacks, routing tables, ARP tables, and firewalls separately, as well as /proc/net, /sys/class/net/, QoS policies, port numbers, and sockets in such a way that individual applications can find a particular