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17%
Modern Fortran – Part 2
15.12.2016
Home »  HPC  »  Articles  » 
Fortran 90 was only the start. The next two iterations – 95 and 2003 – pulled Fortran into a new era of programming languages. ... are over i = 2,n − 1 and j = 2,n −1. Here is how you can write the iteration over the domain using array notation: a(2:n-1,2:n-1) = 0.25 * &     (a(1:n-2,2:n) + a(3:n,2:n) + a(2:n,1:n-2) + a(2:n,3:n ... Fortran 90 was only the start. The next two iterations – 95 and 2003 – pulled Fortran into a new era of programming languages.
17%
Lmod – Alternative Environment Modules
30.01.2013
Home »  HPC  »  Articles  » 
: open64 Compiler Family (C/C++/Fortran90/Fortran95 for x86_64)" module-whatis "URL: http://www.open64.net/" # for Tcl script use only set topdir /opt/open64 set version 5.0 set
16%
Improving performance with environment variables
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © sgame, fotolia.com
,048 0.776039 22.137891 1.612694 10.652902 0.199173 86.256026 0.455025 37.755903 4,096 5.855209 23.472936 12.275261 11
16%
Stretching devices with limited resources
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Lead Image © Lucy Baldwin, 123RF.com
DATA COMPR TOTAL STREAMS MOUNTPOINT /dev/zram0 lzo-rle 512M 4K 73B 12K 2 [SWAP] # Cleanup procedure (destroy the ZRAM setup) $ sudo swapoff /dev/zram0 $ sudo zramctl --reset /dev/zram0
16%
REMORA
18.09.2017
Home »  HPC  »  Articles  » 
time. It also lists the directory with the Remora output. Listing 1: poisson_serial.f90 Output [laytonjb@laytonjb REMORA_TEST]$ remora ./poisson_serial 23 August 2017   7:12:50.609 PM    POISSON
16%
NVDIMM and the Linux kernel
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Denis Dryashkin, 123RF.com
log. The storage is clearly divided: The kernel has tagged 0x0000000100000000 to 0x00000004ffffffff (4-20GiB) as persistent (type 12) . The /dev/pmem0 device shows up after loading the driver. Now
16%
NVDIMM Persistent Memory
22.09.2016
Home »  HPC  »  Articles  » 
log. The storage is clearly divided: The kernel has tagged 0x0000000100000000 to 0x00000004ffffffff (4-20GiB) as persistent (type 12) . The /dev/pmem0 device shows up after loading the driver. Now
16%
Look for Bottlenecks with Open|SpeedShop
21.12.2011
Home »  HPC  »  Articles  » 
.825703   __munmap (libc-2.5.so) 90.514284     90.514284  0.739561   __GI_memcpy (libc-2.5.so) 88.714284     88.942855  0.724854   hypre_SMGSetStructVectorConstantValues (smg2000: smg.c,379) 86.999998     86
16%
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
16%
Multicore Processing in Python
22.08.2017
Home »  HPC  »  Articles  » 
library, Parallel Python, variations on queuing systems such as 0MQ (zeromq ), and the mpi4py bindings of the Message Passing Interface (MPI) standard for writing MPI code in Python. Another cool aspect

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