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24%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Lucy Baldwin, 123RF.com
[i]; 82 } 83 84 pi = ((double)finalcount/(double)finalniter)*4.0; //p = 4(m/n) 85 printf("Pi: %f\n", pi); //Print the calculated value of pi 86
24%
Modern Fortran for today and tomorrow
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © homestudio, 123RF.com
integer :: allocate_status 08 ! 09 n = 10 10 allocate( array(n, n), stat = allocate_status ) 11 if (allocate_status /= 0) stop "Could not allocate array" 12 ! 13 subarray => array(3:7,3:7) 14
24%
Modern Fortran – Part 2
15.12.2016
Home »  HPC  »  Articles  » 
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
23%
Speed up your MySQL database
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Mikhail Dudarev, 123RF.com
+----------------------------------+---------+---------------------+ 40 | 47e0142a3638fdc24fe40d4e4fbce3f1 | Row 1 | 2015-09-13 15:24:12 | 41 | b833c1e4c5bfc47d0dbe31c2e3f30837 | Row 3 | 2015-09-13 15:24:14 | 42 | c7d46523a316de4e1496c65c3cbdf358 | Row 2 | 2015
23%
Protect Your Servers with Nmap
23.07.2012
Home »  Articles  » 
 
your source IP address but not for nefarious use, # nmap -S 3.3.3.3 12.34.56.78 then by port range, with no pings to avoid immediate detection and with operating system detection (-A): # nmap -P0 -p1
23%
Working with the Lustre Filesystem
24.02.2022
Home »  HPC  »  Articles  » 
.255.255.255  broadcast 0.0.0.0         inet6 fe80::bfd3:1a4b:f76b:872a  prefixlen 64  scopeid 0x20         ether 42:01:0a:80:00:02  txqueuelen 1000  (Ethernet)         RX packets 11919  bytes 61663030 (58.8 Mi
23%
Lustre HPC distributed filesystem
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Photo by Efe Kurnaz on Unsplash
,BROADCAST,RUNNING,MULTICAST> mtu 1460 inet 10.0.0.2 netmask 255.255.255.255 broadcast 0.0.0.0 inet6 fe80::bfd3:1a4b:f76b:872a prefixlen 64 scopeid 0x20 ether 42:01:0a:80:00:02 txqueuelen 1000
23%
Small-board computers
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Author, 123RF.com
://developer.nvidia.com/jetson-tk1 Odroid-XU3 Android 4.4, Linux Samsung Exynos5422 Quad ARM Cortex-A15 @2.0GHz (32KB/32KB/2MB), Quad ARM Cortex-A7 @1.4GHz (32KB/32KB/512KB) Mali-T628 MP6
23%
Look for Bottlenecks with Open|SpeedShop
21.12.2011
Home »  HPC  »  Articles  » 
.000000, 1.000000) (n_pre, n_post) = (1, 1) dim             = 3 solver ID       = 0 ============================================= Struct Interface: ============================================= Struct
23%
RAM Revealed
26.04.2012
Home »  Articles  » 
 
, operating voltage drops from 2.5V for DDR1 to 1.8V for DDR2, and 1.5V for DDR3. DDR3L (1.35V) and DDR3U (1.25V) are two further reductions before DDR4 drops to 1.2V. Continuous miniaturization of the chip

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