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13%
Memory Errors
23.03.2016
Home »  HPC  »  Articles  » 
7 ): $ ls -s /sys/devices/system/edac/mc/mc0 total 0 0 ce_count         0 csrow1  0 csrow4  0 csrow7   0 reset_counters       0 size_mb 0 ce_noinfo_count  0 csrow2  0 csrow5  0 device   0 sdram
13%
Measuring the performance of code
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Lucy Baldwin, 123RF.com
-enabled as the first statement of the setup parameter with gc.enable(). Heisenberg's Law Heisenberg's law of profiling [6] holds that measuring a computing system alters it. How am I altering the system
13%
Network traffic utilities bandwhich and iftop
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © Ildar Galeev, 123RF.com
, uncompressed, it sits at only 6MB, which is still a far cry from 328MB that the Cargo route would have introduced to my laptop. To see whether the binary was compatible with my system, I ran as root
12%
Tuning I/O Patterns in C
31.07.2013
Home »  HPC  »  Articles  » 
Code Example 1 #include 2 3 /* Our structure */ 4 struct rec 5 { 6 int x,y,z; 7 float value; 8 }; 9 10 int main() 11 { 12 int counter; 13 struct rec my
12%
Rex
19.02.2013
Home »  Articles  » 
computers running the Linux distributions CentOS 5 and 6, Debian 5 and 6, Fedora, Gentoo, Mageia, openSUSE, RHEL 5 and 6, Scientific Linux, and Ubuntu 10.04, 11.04, and 12.04. Additionally, it can handle
12%
Service discovery, monitoring, load balancing, and more with Consul
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © Ringizzz, 123RF.com
Listing 12 Debug Output Snippet consul-template -once -template "httpd.conf1.ctmpl:out" -log-level=debug 2018/07/10 01:03:09.580356 [INFO] consul-template v0.19.5 (57b6c71) 2018/07/10 01
12%
New features in PHP 8
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Maxim Borovkov, 123RF.com
} 12 } 13 14 // ---- in PHP 8 -------- 15 $bdate = $user?->address?->getBirthday()?->asString(); Where a class needs to encapsulate an address or other data, the developer usually first notes
12%
Look for file changes and kick off actions with Watchman
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © leksele, 123RF.com
/local/sbin/sync.sh" 11 ], 12 "append_files": true, 13 "stdin": [ 14 "name", 15 "exists", 16 "new", 17 "size", 18 "mode" 19
12%
Planning Performance Without Running Binaries
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
bottlenecks, not absolute speedup numbers for the whole codebase. Second, given more resources, you will usually process more data or do more work. Gustafson's law [6] provides an alternative formulation
12%
Using Libvirt with Python to manage virtual machines
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © fourseasons, 123RF.com
.1.3 Running hypervisor: QEMU 1.6.1 If access works, a few lines of Python are all you need to retrieve the desired information (Listing 2). The hypervisor hosts are defined in the hv array. In the following

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