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15%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
records in 1000000+0 records out 512000000 bytes (512 MB) copied, 1.58155 s, 324 MB/s # dd of=file if=/dev/zero bs=512 count=1000000 oflag=direct 1000000+0 records in 1000000+0 records out 512000000 bytes
15%
Working with the Lustre Filesystem
24.02.2022
Home »  HPC  »  Articles  » 
 type: ldiskfs Flags:      0x62               (OST first_time update ) Persistent mount opts: ,errors=remount-ro Parameters: mgsnode=10.0.0.2@tcp   device size = 48128MB formatting
15%
Lustre HPC distributed filesystem
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Photo by Efe Kurnaz on Unsplash
=10.0.0.2@tcp device size = 48128MB formatting backing filesystem ldiskfs on /dev/sdb target name testfs:OST0000 kilobytes 49283072 options -I 512 -i 1024 -J size
15%
Guacamole: Remote Desktop
04.02.2013
Home »  Articles  » 
 
for several distributions. The Downloads section of the website provides packages for Debian 6.0 (squeeze), Ubuntu 11.10/12.04, and Fedora 15/16/17. Alternatively, you can build Guacamole from the source code
15%
Warewulf 4 – Environment Modules
20.03.2023
Home »  HPC  »  Articles  » 
in to the first compute node (Listing 5). Listing 5: Checking Lmod on the Compute Node [laytonjb@warewulf ~]$ ssh n0001 Last login: Sun Feb 12 09:10:32 2023 from 10.0.0.1 [laytonjb@n0001 ~]$ module
15%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Lucy Baldwin, 123RF.com
//printf("finalcount: %ld, finalniter: %ld\n", finalcount, finalniter); 87 88 } 89 90 MPI_Finalize(); //Close the MPI instance 91 return 0; 92 } Note how the code
15%
Roll out hybrid clouds with Ansible  automation
14.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
Lead Image © markovka, 123RF.com
– comparable to setting an interface route with: ip route add 1.2.3.0/24 dev eth0 Conversely, the external VPC must know how to find the internal VPC, which requires routes to the internal subnet and also
15%
The fine art of allocating memory
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
); i+= 4096) newblock[i] = 'Y'; 12 printf("Allocated %d MB\n", allocation); 13 } 14 } Things are more interesting when memory is being used. Uncommenting line 11 does just that. The OOM
15%
Finding Memory Bottlenecks with Stream
25.09.2013
Home »  HPC  »  Articles  » 
) 8 (4) 7.2 0.9 Nehalem-EP (2009) 8 (4) 32 4 Westmere-EP (2010) 12 (6) 42 3.5 Westmere-EP (2010) 8 (4) 42
15%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© kudryashka, 123RF.com
--------- ------ ---- ----- ---- 12 Throughput Cashier Customers 0.7500 Cust/Sec 13 Utilization Cashier Customers 75.0000 Percent 14 Queue Length Cashier Customers 3.0000 Cust 15 Residence Time Cashier Customers 4.0000 Sec 16 N Sws

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