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53%
I/O Profiling at the Block Level
27.08.2014
Home »  HPC  »  Articles  » 
was the sequential write test using 1MB record sizes: ./iozone -i 0 -c -e -w -r 1024k -s 32g -t 2 -+n > iozone_write_1.out To gather the block statistics, I ran ioprof in a different terminal window before I ran
53%
Linux Writecache
19.11.2019
Home »  HPC  »  Articles  » 
group has been created, $ sudo vgs   VG       #PV #LV #SN Attr   VSize VFree   vg-cache   2   0   0 wz--n- 6.59t 6.59t and verify that both physical volumes are within it: $ sudo pvs   PV
52%
Distributed storage with Sheepdog
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © kateleigh, 123RF.com
.0.0.0 -c Clusterware to use corosync, zookeeper: -D Use direct I/O on the back end n/a -g Work as a gateway (server without back
52%
Real-World HPC: Setting Up an HPC Cluster
04.11.2011
Home »  HPC  »  Articles  » 
2222 -j DNAT --to 192.168.1.200:22 COMMIT ### end nat Now reload the kernel sysctl  parameters and restart the firewall: # service iptables restart The next step in the process is to format
52%
Unleashing Accelerated Speeds with RAM Drives
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © Vladimir Nenov, 123RF.com
with a different size (Listing 3). The output from the second command verifies that the RAM drives were created. Listing 3 Adding RAM Drive of 32MB $ sudo rapiddisk -a 32 rapiddisk 7.2.0 Copyright
51%
Parallel and Encrypted Compression
09.12.2021
Home »  HPC  »  Articles  » 
of threads, use: $ plzip -v -9 -n 32 package-list.txt   package-list.txt:  2.640:1, 37.88% ratio, 62.12% saved, 11626 in, 4404 out. The -n 32  option tells plzip  to use 32 threads to perform the compression
51%
Five multipurpose thin clients compared
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © David Grigg, 123RF.com
Via VX900 Via VX900 AMD A55E AMD G-Series A50M PXA 510 v7 Graphics processor Via Chrome 9, integrated Via Chrome 9, integrated AMD Radeon HD 6250
51%
Docker image security analysis
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Photo by Rodolfo Sanches Carvalho on Unsplash
pip install dockerscan Successfully installed booby-ng-0.8.4 click-6.7 colorlog-2.10.0 dockerscan-1.0.0a3 ecdsa-0.13 jws-0.1.3 python-dxf-4.0.1 requests-2.13.0 tqdm-4.31.1 www-authenticate-0.9
50%
Preload Trick
11.05.2021
Home »  HPC  »  Articles  » 
, 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);      gFlops = 2*N*N*N / (elapsedTime * 1e+9);      disp(sprintf("N = %4d
50%
RAM revealed
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© KrishnaKumar Sivaraman, 123RF.com
chips with 128Mx8 organization (1-Gb chips) 5.132 2.57 AL28M72A8BJH9S 1 DDR3, Registered, ECC, 1 rank 2.241 2.24 AQ12M72E8BKH9S 4

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