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72%
Tuning I/O Patterns in Fortran 90
04.12.2013
Home »  HPC  »  Articles  » 
to change lines 12 and 14. To make life easier, I will refer to this as the “array” code, as I did with the C example. Listing 2F: F90 Code Example with Output in Loop (Array) 1 program ex1a 2 3
72%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
rqnoidle 0 8,0 0 0 0.000447822 0 m N cfq schedule dispatch 8,0 0 24 3.376123574 351 A W 10048816 + 8 <- (8,2) 7783728 8,0 0 25 3.376126942 351 Q W
72%
Exploring Kubernetes with Minikube
11.09.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
. Figure 6: Good old ``get pods'' but with width: ``kubectl get pod nginx-dep-54b9c79874-b9dzh -o wide'' showing an internal pod IP Address in the 172.17.0.0 range. Use the -n option to specify
72%
Gathering Data on Environment Modules
10.09.2012
Home »  HPC  »  Articles  » 
tell logger which log to use: [laytonjb@test1 ~]$ logger -p cron.notice "This is a cron test" ... [root@test1 ~]# tail -n 2 /var/log/cron Aug 22 17:10:01 test1 CROND[7438]: (root) CMD (LANG=C LC_ALL=C
72%
Secure SSH connections the right way
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © Olivier Le Moal, 123RF.com
4fc2c67 server.example.com IN SSHFP 3 2 fbfb8965a367f71e4ed8f6737a2e2db1c04be671db7c9c4e17ac346b9ae7a825 With the SSH option VerifyHostKeyDNS=yes set, SSH clients compare the supplied
72%
Look for Bottlenecks with Open|SpeedShop
21.12.2011
Home »  HPC  »  Articles  » 
.036467  pthread_spin_lock (libpthread-2.5.so) 124.440000   1.025018  hypre_SMGAxpy (smg2000: smg_axpy.c,27) 87.770000    0.722965  __GI_memcpy (libc-2.5.so) 79.820000    0.657481  hypre_StructAxpy (smg2000
72%
Monitor your network infrastructure with SNMP
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © lightwise, 123RF.com
$ROCOMMUNITY $HOST .1.3.6.1.2.1.4.22.1.3 # memory_used snmpwalk -v1 -Oqs -c $ROCOMMUNITY $HOST .1.3.6.1.2.1.25.2.3.1.6.101 # CPU-load-1 snmpwalk -v1 -Oqs -c $ROCOMMUNITY $HOST 1.3
72%
Accessing Fortran code with Python
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Kheng Ho Toh, , 123RF.com
passes by value. Listing 1 Using ctypes from ctypes import byref, cdll, c_int mult = cdll.LoadLibrary('./mult.so') add = cdll.LoadLibrary('./add.so') a = c_int(2) b = c_int(4) print mult.multiply_(byref(a
72%
Small-board computers
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Author, 123RF.com
Xino-Lime Linux All-winner A10 processor Single ARM Cortex-A8 @1GHz Mali-400   512MB DDR3 SATA connector, 2 USB, Fast Ethernet, USB OTG, HDMI 1.9W $44/EUR 30 ... 25
72%
Visualizing containers with clarity
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Ulrich Müller, 123RF.com
6230a [...snip...] [1/5] Validating package.json... [2/5] Resolving packages... [3/5] Fetching packages... [4/5] Linking dependencies... warning "blessed-contrib > marked-terminal@1.7.0" has incorrect

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