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41%
Desktop Blades (of Glory)
06.05.2024
Home »  HPC  »  Articles  » 
various components, ranging from the small Cluster HAT, to a small Raspberry Pi cluster, to an eight-node x86 stack. In my previous home I had three 20A circuits installed for clusters, I really like great
40%
Comparing startup times of Linux distros in the cloud
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Lead Image © Lucy Baldwin, 123RF.com
Request timeout for icmp_seq 0 Request timeout for icmp_seq 1 Request timeout for icmp_seq 2 64 bytes from 52.90.56.122: icmp_seq=3 ttl=48 time=40.492 ms [ output truncated ] Welcome to Ubuntu 20.04.1 LTS
40%
MPI Apps with Singularity and Docker
18.03.2020
Home »  HPC  »  Articles  » 
='/home/laytonjb/pgilinux-2019-1910-x86-64.tar.gz', mpi=True)   Stage0 += copy(src='poisson_mpi.f90', dest='/var/tmp/poisson_mpi.f90') Stage0 += shell(commands=['mpif90 /var/tmp/poisson_mpi.f90 -o /usr
40%
Small Tools for Managing HPC
18.10.2017
Home »  HPC  »  Articles  » 
laytonjb@laytonjb-Lenovo-G50-45 ~]$ pgf90 test1.f90 -o test1 [laytonjb@laytonjb-Lenovo-G50-45 ~]$ ldd test1         linux-vdso.so.1 =>  (0x00007fff11dc8000)         libpgf90rtl.so => /opt/pgi/linux86
39%
Network analysis with the Bro Network Security Monitor
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Aleksey Mnogosmyslov, 123RF.com
var/opt/bro/logs Subdirectories ls -l /var/opt/bro/logs/ total 244 drwxr-xr-x. 2 root root 4096 Oct 20 00:00 2014-10-19 drwxr-xr-x. 2 root root 12288 Oct 21 00:00 2014-10-20 drwxr-xr-x. 2 root root
39%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Lucy Baldwin, 123RF.com
fashion when promised double-digit speedups like 10x by a vendor who has yet to see your code. Accomplishing a 10x speedup requires that 90 percent of the execution time be parallelized. The span of your
38%
HDF5 and Parallel I/O
17.05.2017
Home »  HPC  »  Articles  » 
, ALLOCATABLE, TARGET :: DATA(:,:)   ! Data to write 18      INTEGER :: RANK = 2             ! Dataset rank 19    20      CHARACTER(MPI_MAX_PROCESSOR_NAME) HOSTNAME 21      CHARACTER(LEN=100) :: FILENAME  ! File name 22      CHARACTER(LEN=3) :: C
38%
Small-board computers
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Author, 123RF.com
: Tegra X1: 25.6GBps memory bandwidth HDMI 2.0 and HDCP 2.2 10W power Peak performance: 1,024GFLOPS with FP16; 512GFLOPS with FP32 ARM Cortex CPUs: Quad-core 64-bit ARM Cortex-A57
38%
Load Testing the Cloud
20.02.2012
Home »  CloudAge  »  Blogs  »  Dan Frost's Blog  » 
 
.51, 0, 0.36, 17.74, 0.00, 6.38, 90, 0 2012-01-09 21:10:00, 92, 4.42, 0, 0.35, 20.81, 0.00, 7.22, 100, 0 2012-01-09 21
38%
Tuning I/O Patterns in Python
18.12.2013
Home »  HPC  »  Articles  » 
_limit): 20 local_dict['x'] = float(counter); 21 local_dict['y'] = float(counter + 1); 22 local_dict['z'] = float(counter + 2); 23 local_dict['value'] = 10.0 * float(counter); 24 my

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