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100%
Pushing Raspberry Pi storage to its limit
04.12.2024
Home »  Archive  »  2024  »  Issue 84: Non-R...  » 
Lead Image © Lucy Baldwin, 123RF.com
to hold longer 2242 modules (Figure 4). Figure 3: Installing the M.2 HAT+ and NVMe drive altered the idle power draw a hardly noticeable 0.2W
93%
Testing the Samsung MU-PA500B 500GB SSD
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © Lucy Baldwin, 123RF.com
/federico/Samsung_T5, but I could just as easily find out from the shell (Listing 1) where sdb is actually mounted: federico@cybertron:~$ lsblk | grep sd sda 8:0 0 119.2G 0 disk |--sda1 8:1 0 500M 0
93%
Lustre HPC distributed filesystem
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Photo by Efe Kurnaz on Unsplash
/mpich/bin/mpirun --host 10.0.0.3,10.0.0.4,10.0.0.5,10.0.0.6 /usr/local/bin/ior -F -w -t 64m -k --posix.odirect -D 60 -u -b 5g -o /lustre/test.01 IOR-3.4.0+dev: MPI Coordinated Test of Parallel I/O Began
92%
Working with the Lustre Filesystem
24.02.2022
Home »  HPC  »  Articles  » 
file (Listing 10). Listing 10: IOR Write-Only $ sudo /usr/lib64/mpich/bin/mpirun --host 10.0.0.3,10.0.0.4,10.0.0.5,10.0.0.6 /usr/local/bin/ior -F -w -t 64m -k --posix.odirect -D 60 -u -b 5g
90%
Storage across the network with iSCSI and Synology DiskStation Manager
04.12.2024
Home »  Archive  »  2024  »  Issue 84: Non-R...  » 
Lead Image © Vladimir Nenov, 123RF.com
252:3 0 7.2T 0 crypt $ sudo cryptsetup luksClose BU $ sudo /usr/sbin/iscsiadm -m node -T iqn.2000-01.com.synology:MYDEVICE.Target-1.4d9e3bda2ee -p 192.168.1.10:3260 -u Logging out of session [sid
87%
Parallel Programming with OpenMP
21.11.2012
Home »  HPC  »  Articles  » 
hand side of unit square: (E) 107 DO j=1,m 108 u(m,j) = 0.0d0 109 ENDDO 110 111 ! Left hand side of unit square: (W) 112 DO i=1,m 113 u(1,j) = 0.0d0 114 ENDDO 115 116 ! 117 ! Solution
87%
When I/O workloads don't perform
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © Viacheslav Iakobchuk, 123RF.com
Output 8,80 1 4398 0.027331017 218 M W 1342768 + 8 [kworker/u16:3] 8,80 1 4399 0.027332069 218 A W 1342776 + 8 <- (8,81) 1326392 8,80 1 4400 0
87%
When I/O Workloads Don’t Perform
12.05.2021
Home »  HPC  »  Articles  » 
’s starting point (e.g., 1326392) Listing 10: blktrace Output   8,80   1     4398     0.027331017   218  M   W 1342768 + 8 [kworker/u16:3]   8,80   1     4399     0.027332069   218  A   W 1342776 + 8 <- (8
87%
Thrashing the data cache for fun and profit
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Lucy Baldwin, 123RF.com
: $ time ./row real 0m1.388s user 0m0.943s sys 0m0.444s ** $ time ./column real 0m4.538s user 0m4.068s sys 0m0.468s The experiment shows the column-major code taking three and a half
87%
Building a HPC cluster with Warewulf 4
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Andrew Ly on Unsplash
x86_64 2.9.1-9.el8 baseos 393 k groff-base x86_64 1.22.3-18.el8 baseos 1.0 M hwloc-ohpc x86_64 2.7.0

1 2 3 4 5 6 7 ... 31 Next »

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