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15%
Tuning I/O Patterns in Fortran 90
04.12.2013
Home »  HPC  »  Articles  » 
_record 13 14 counter_limit = 2000 15 16 ierr = -1 17 open(unit=8, file="test.bin", status="replace", & 18 action="readwrite", form="unformatted", & 19 iostat=ierr) 20
15%
Thrashing the data cache for fun and profit
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Lucy Baldwin, 123RF.com
difference is in the order of the i and j variables in the array lookup. Listing 1 increments 100 million integers, scanning the array row by row, whereas Listing 2 increments the 10,000 elements of a column
15%
VMware is hit by lawsuit contending GPL violation
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Sean Gladwell, Fotolia.com
of Linux kernel developer Christoph Hellwig. One of the 20 most prolific contributors to the Linux kernel, Hellwig has penned 279,653 lines of codes in kernel version 3.19. Hellwig also has expertise
15%
Tuning I/O Patterns in Python
18.12.2013
Home »  HPC  »  Articles  » 
FILE *ptr_myfile; 16 17 counter_limit = 100; 18 19 ptr_myfile=fopen("test.bin","wb"); 20 if (!ptr_myfile) 21 { 22 printf("Unable to open file!"); 23 return 1; 24 } 25 for ( counter=1; counter <= counter
15%
Understanding the Status of Your Filesystem
18.06.2014
Home »  HPC  »  Articles  » 
% 0–1 155 0.04 0.04 1–2 0 0.00 0.04 2–4 259 0.07 0.11 4–7 4,656 1.20 1.31 7–14 75
15%
Unicode migration with an Oracle database
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© joingate, 123RF.com
CHAR),description VARCHAR2(50 CHAR)); in the previous example. Maximum Data Type Length The Oracle documentation often states that the CHAR data type has a length of 2,000 characters and VARCHAR2
15%
Red Hat Storage Server 2.1
05.03.2014
Home »  Articles  » 
on weekdays costs no less than 9,000 Euros, while the same cluster with 24x7 support is priced at 14,000 Euros. Realistically, however, no one will operate cloud storage with only two nodes; assuming you have
15%
The best performance yet
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Lead Image © Lucy Baldwin, 123RF.com
. Additionally, the benchmarks are run multiple times, with their results averaged to minimize the effect of spurious results. Figure 2 shows a 32GB SanDisk Ultra Plus posting 91.5MBps read and 20.2MBps write
15%
Security first with the Hiawatha web server
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Tatiana Popov, 123RF.com
-fastcgi are running, as expected. Listing 1 Process List root 589 0.0 0.3 142492 3092 ? Ss 20:35 0:00 nginx: master process /usr/sbin/nginx -g daemon on; master_process on; www
15%
Rethinking RAID (on Linux)
16.03.2021
Home »  HPC  »  Articles  » 
B 249.92 GB)       Raid Devices : 2      Total Devices : 2        Persistence : Superblock is persistent      Intent Bitmap : Internal        Update Time : Sat Jan  9 15:24:20 2021              State

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