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9%
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
9%
Puppet Bolt orchestration tool
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Photo by lee junda on Unsplash
docker-compose.yaml version: '3' services: target1: build: . ports: - '3000:80' - '2000:22' container_name: target1 target2: build
9%
Develop your own scripts for Nmap
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Raman Maisei, 123RF.com
, it outputs the message Hello World! . To test the script on a local web server, run the following command: # nmap --script /path/http-vuln-check local targetlhost -p 22,80,443 The output should look
9%
Automated OpenStack instance configuration with cloud-init and metadata service
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © jeka81, 123RF.com
', 'makecache'] with allowed return codes [0] (shell=False, capture=False) ... 2018-10-17 22:00:06,125 - util.py[DEBUG]: Running command ['yum', '-t', '-y', 'upgrade'] with allowed return codes [0] (shell
9%
Julia: A New Language For Technical Computing
31.05.2012
Home »  HPC  »  Articles  » 
_mat_stat 3.37 39.34 11.64 54.54 22.07 8.12 rand_mat_mul 1.00 1.18 0.70 1.65 8.64 41.79 Table 1: Benchmark Times
9%
Bringing old hardware back into the game
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Lucy Baldwin, 123RF.com
and doubles the cache size (from 3 to 6MB), in exchange for a small drop in baseline clock speed – 2.3 to 2.2GHz (peak drops from 3.2 to 3.1GHz). Major Surgery Legend has it that no one has ever opened
9%
Measuring the performance of code
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Lucy Baldwin, 123RF.com
return -timespec_diff(sooner, later); 19 else 20 return 21 (later->tv_sec - sooner->tv_sec) 22 /* tv_nsec is known to be a signed type. */ 23 + (later->tv_nsec - sooner
9%
Exploring the filesystem that knows everything
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
Lucy Baldwin, 123RF
: 0 16 initial apicid : 0 17 fdiv_bug : no 18 hlt_bug : no 19 f00f_bug : no 20 coma_bug : no 21 fpu : yes 22 fpu_exception : yes 23 cpuid level : 10 24 wp
9%
Warewulf Cluster Manager – Administration and Monitoring
21.08.2012
Home »  HPC  »  Articles  » 
just two nodes: test1, which is the master node, and n0001, which is the first compute node): [laytonjb@test1 ~]$ pdsh -w test1,n0001 uptime test1: 18:57:17 up 2:40, 5 users, load average: 0.00, 0.00
9%
Modern Fortran for today and tomorrow
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © homestudio, 123RF.com
Code 11111111112222222222 12345678901234567890123456789 ----------------------------- SUM = 0.0 D0 100 I=1,10 SUM = SUM + REAL(I) 100 CONTINUE ... Y = X1 + X2

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