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24%
Fathoming the cloud
28.06.2011
Home »  CloudAge  »  Articles  » 
 
customers using automated systems to lower their overhead), measured services (i.e., pay for what you use), and elasticity (you need one server? 1,000 servers? No problem!). These elements are exemplified
24%
PowerTOP
21.10.2011
Home »  Articles  » 
 
(up to version 2.6.20) use a fixed heartbeat of 1,000Hz. On each tick, the kernel wakes up the processor and checks for any work to do. This approach obviously limits power savings. Starting
24%
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
24%
Operating system virtualization with OpenVZ
28.06.2011
Home »  CloudAge  »  Articles  » 
 
vzctlrestore VEID. To be able to use OpenVZ, you will need a kernel with OpenVZ patches. One problem is that the current stable release of OpenVZ is still based on kernel 2.6.18, and what is known
24%
S3QL filesystem for cloud backups
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © stylephotographs, 123RF.com
with your S3 bucket, and you can use s3sync [6] to sync to S3 (somewhat like rsync). If you are running Windows, these Amazon S3 clients are available for backing up data to Amazon S3: Amazon S3 Transfer
24%
Parallel Programming with OpenMP
21.11.2012
Home »  HPC  »  Articles  » 
Laplace equation using Jacobi iteration method 003 ! Kadin Tseng, Boston University, November 1999 004 ! 005 MODULE jacobi_module 006 IMPLICIT NONE 007 INTEGER, PARAMETER :: real4 = selected_real_kind(6
24%
Introduction to OpenMP programming
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Frank Rohde, 123RF.com
, PARAMETER :: real4 = selected_real_kind(6,37) ! Real 008 INTEGER, PARAMETER :: real8 = selected_real_kind(15,307) ! Double Precision 009 REAL(real8), DIMENSION(:,:), ALLOCATABLE :: unew 010 REAL
24%
Understanding the Status of Your Filesystem
18.06.2014
Home »  HPC  »  Articles  » 
is it? Which user has the largest capacity? Which user has the most files? What is the oldest file and how old is it? These are deceptively easy questions to answer, but what if you have 1,000 users
24%
Ceph and OpenStack Join Forces
04.06.2014
Home »  HPC  »  Articles  » 
the associated service can use. The following commands, which need to be run with the permissions of the client.admin user, create the two pools: ceph osd pool create cinder 1000 ceph osd pool create images 1000
24%
Improved Performance with Parallel I/O
24.09.2015
Home »  HPC  »  Articles  » 
that is 80% parallelizable (20% is serial, primarily because of I/O). For one process, the wall clock time is assumed to be 1,000 seconds, which means that 200 seconds is the serial portion of the application

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