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14%
Tuning I/O Patterns in C
31.07.2013
Home »  HPC  »  Articles  » 
, Fortran 90, and Python (2.x series). I’ll be running the examples on a single 64-bit system with CentOS 6.2 using the default GCC compilers, GCC and GFortran (4.4.6), as well as the default Python (2
14%
Programming with OpenMP
07.11.2011
Home »  HPC  »  Articles  » 
cores. you can easily see the load on the individual cores: One CPU is working hard (90 percent load), while the other is twiddling its thumbs (0.3 percent load). Linux introduced support
14%
Asynchronous PostgreSQL
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Fesus Robert, 123RF.com
END LOOP; 10 RETURN clock_timestamp()-now() 11 END; 12 $CODE$ LANGUAGE plpgsql; Figure 1: The burncpu() process at the top of the Top chart
14%
Process, Network, and Disk Metrics
26.02.2014
Home »  HPC  »  Articles  » 
      total packets:                 sent:  12,243,355   recv:  1,467,914    bytes sent:                   total:  16.90 G      per-sec:  3.22 M/s    bytes recv:                   total:  114.04 M
14%
Getting started with the OpenStack cloud computing framework
28.06.2011
Home »  CloudAge  »  Articles  » 
 
-Manage: novammanage user admin rwartala This process creates an access key and a security key: export EC2_ACCESS_KEY=713211a477a154470fUU ae543346b52e30a0e export EC2_SECRET_KEY=244de6a188aa344e12UU 9521003ac756abbdf
14%
A Brief History of Supercomputers
21.01.2021
Home »  HPC  »  Articles  » 
, it used 32-bit processors, limiting the addressable memory to 4GB. In the early 1990s, Cray launched some new systems. In 1991, the Cray C90, a development of the Cray Y-MP, was launched. It had a dual
14%
Command-line tools for the HPC administrator
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Vasyl Nesterov, 123RF.com
to it, you can begin to appreciate what compilers and linkers do for users today. Listing 1 Show Linked Libraries (ldd) $ pgf90 test1.f90 -o test1 $ ldd test1 linux-vdso.so.1 => (0x
14%
SmartOS as a virtualization platform
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Paulus NR, 123RF.com
kernel 3.12, so that SmartOS at least installed without error messages, although it would hang if you tried to launch a KVM machine. Although you don't have to worry about installation, you do need to set
14%
When I/O Workloads Don’t Perform
12.05.2021
Home »  HPC  »  Articles  » 
.655119] sd 2:0:1:1: [sdf] tag#3669 Send: scmd 0x00000000b06d61c4 Mar 27 15:21:25 dev-machine kernel: [  387.655122] sd 2:0:1:1: [sdf] tag#3669 CDB: Inquiry 12 00 00 00 90 00 Mar 27 15:21:25 dev
14%
When I/O workloads don't perform
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © Viacheslav Iakobchuk, 123RF.com
.655122] sd 2:0:1:1: [sdf] tag#3669 CDB: Inquiry 12 00 00 00 90 00 Mar 27 15:21:25 dev-machine kernel: [ 387.655587] sd 2:0:1:1: [sdf] tag#3669 Done: SUCCESS Result: hostbyte=DID_OK driverbyte=DRIVER_OK Mar 27

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