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19%
Rethinking RAID (on Linux)
16.03.2021
Home »  HPC  »  Articles  » 
, (T) 4096B-4096B, ioengine=libaio, iodepth=32 fio-3.12 Starting 1 process Jobs: 1 (f=1) test: (groupid=0, jobs=1): err= 0: pid=5956: Sat Jan  9 16:38:53 2021   read: IOPS=256k, BW=998MiB/s (1047MB
19%
Podman for Non-Root Docker
05.08.2024
Home »  HPC  »  Articles  » 
 catatonit conmon containernetworking-plugins crun golang-github-containers-common   golang-github-containers-image netavark passt podman 0 upgraded, 11 newly installed, 0 to remove and 0 not upgraded. Need to get 32.3 MB of archives. After this operation, 131 MB
19%
Tuning I/O Patterns in Fortran 90
04.12.2013
Home »  HPC  »  Articles  » 
if (ierr > 0) then 21 write(*,*) "error in opening file! Stopping" 22 stop 23 else 24 do 10 counter=1,counter_limit 25 my_record%x = counter 26 my_record%y = counter
19%
Update your Docker containers safely
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © yelenayemchuk, 123RF.com
IMAGE ID CREATED SIZE nginx 1.15-alpine sha256:385fbcf0f04621981df6c6f1abd896101eb61a439746ee2921b26abc78f45571 315798907716 5 days ago 17.8MB nginx alpine
19%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
B/s ( 2.2 Gbit/s) 128 KiB blocks: 2176.5 IO/s, 272.1 MiB/s ( 2.3 Gbit/s) 256 KiB blocks: 751.2 IO/s, 187.8 MiB/s ( 1.6 Gbit/s) 512 KiB blocks: 448.7 IO/s, 224.3 MiB/s ( 1.9 Gbit/s) 1 MiB blocks
18%
Tuning I/O Patterns in Python
18.12.2013
Home »  HPC  »  Articles  » 
of the most remarkable things about this output is that only 471 bytes were written for 100 elements (compression perhaps?). This is much less than either C (1,600) or Fortran (1,608). Next I’ll try 256
18%
SSL/TLS best practices for websites
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © Yevgeniya Ponomareva, Fotolia.com
AES128-GCM-SHA256 \ 19 AES256-GCM-SHA384 \ 20 AES128-SHA \ 21 AES256-SHA \ 22 DES-CBC3-SHA" 23 24 # Only with Apache 2.2.24+ and Apache 2.4.3+ 25 SSLCompression Off 26 27 SSLSessionCache shmcb
18%
Rethinking RAID (on Linux)
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © nikkikii, 123RF.com
, ioengine=libaio, iodepth=32 fio-3.12 Starting 1 process Jobs: 1 (f=1) test: (groupid=0, jobs=1): err= 0: pid=5956: Sat Jan 9 16:38:53 2021 read: IOPS=256k, BW=998MiB/s (1047MB/s)(2045MiB/2049msec
18%
Improving performance with environment variables
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © sgame, fotolia.com
SGEMM for N = [2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192] A = single( rand(N,N) ); B = single( rand(N,N) ); start = clock(); C = A*B; elapsedTime = etime(clock(), start
18%
Building sustainably safe containers
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © it studiom1, 123RF.com
dockerrepo.matrix.dev/gentoo-glibc:latest-amd64 && touch pushtime Sending build context to Docker daemon 21.12MB Step 1/2 : FROM dockerrepo.matrix.dev/gentoo-base:latest ---> 22fe37b24ebe Step 2/2 : ADD

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