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28%
Tuning I/O Patterns in Fortran 90
04.12.2013
Home »  HPC  »  Articles  » 
today is Fortran 90, even though more current versions (Fortran 95, Fortran 2003, and even Fortran 2008) are available. I took the C code in the previous article (Listings 2C and 3C) and rewrote
28%
S3QL filesystem for cloud backups
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © stylephotographs, 123RF.com
a 256-bit AES key. An additional SHA-256 HMAC checksum protects the data from manipulation. Compression: S3QL compresses the data before storing, using either LZMA, bzip2, or gzip. This compression ... advantages: S3QL. ... S3QL filesystem for cloud backups
28%
Tools for troubleshooting the network
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Photographer, 123RF.com
(Figure 3). In subsequent test runs, you can compare the results with a previously saved map; devices added or removed are listed in each category. Figure 3
28%
Server virtualization with Citrix XenServer
04.08.2011
Home »  CloudAge  »  Articles  » 
 
guests, including an official certificate via the Microsoft Server Virtualization Validated Program (SVVP) for Intel and AMD processors. On the hardware front, XenServer supports up to 256GB RAM, 64 cores
27%
I/O Profiling at the Block Level
27.08.2014
Home »  HPC  »  Articles  » 
record size, (2) sequential read testing with 1MB record size, and (3) random write and read (4KB). In running these tests, I wanted to see what block layer information ioprof revealed. The system I
27%
Unleashing Accelerated Speeds with RAM Drives
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © Vladimir Nenov, 123RF.com
the configuration and capabilities of memory DIMMs and revealed that my system has four DDR3 RAM devices of 2048MB configured at speeds of 1333MTps (mega transfers per second). Playing with RAM Drives To begin, you
27%
Encrypting files
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Yoichi Shimizu, 123RF.com
key RSA EIGamal DSA Cipher IDEA 3DES CAST5 Blowfish AES-128/-192/-256 Twofish Camellia-128/-192/-256 Hash MD5
27%
Data Compression as a CPU Benchmark
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © Lucy Baldwin, 123RF.com
Compiler: Apple LLVM 12.0.5 (clang-1205.0.22.9) GCC 4.2.1 CLANG 12.0 Darwin : 20.4.0 : Darwin Kernel Version 20.4.0: PageSize:16KB Apple M1 8C8T RAM size: 16384 MB, # CPU hardware threads: 8 RAM usage
27%
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
27%
Verifying your configuration
05.02.2023
Home »  Archive  »  2023  »  Issue 73: Datab...  » 
Lead Image © Kritiya Sumpun, 123RF.com
://www.freedesktop.org/wiki/Software/systemd/ContainerInterface/ STOPSIGNAL SIGRTMIN+3 CMD ["/bin/bash"] Listing 2 setup_goss.sh #! /bin/bash set -uo pipefail GOSSVER='0.3.18' GOSSCDIR='/etc/goss' RQRDCMNDS="chmod echo sha256sum tee wget" pre

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