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14%
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
14%
I/O Profiling at the Block Level
27.08.2014
Home »  HPC  »  Articles  » 
-1600) CentOS 6.5 (updates current as of August 22, 2014) For testing, I used a Samsung SSD 840 Series drive that has 120GB of raw capacity (unformatted) and is connected via a SATA 3 (6Gbps) connection
14%
Tuning ZFS for Speed on Linux
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © Wong Yu Liang, 123RF.com
6836191232 sde 8 48 6836191232 sdd 8 80 6836191232 sdf Make sure to load the ZFS modules, $ sudo modprobe zfs and verify that they are loaded: $ lsmod|grep zfs zfs 3039232 3
14%
Developing RESTful APIs
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © bowie15, 123RF.com
(verbs), such as GET, HEAD, and, depending on the server, the optional POST, PUT, DELETE, OPTIONS, TRACE, and CONNECT [3]. The key to the success of the web was the hypermedia format, which combines
14%
Tuning ZFS for Speed on Linux
17.03.2020
Home »  HPC  »  Articles  » 
       64 6836191232 sde    8       48 6836191232 sdd    8       80 6836191232 sdf Make sure to load the ZFS modules, $ sudo modprobe zfs and verify that they are loaded: $ lsmod|grep zfs zfs                  3039232  3
14%
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
14%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Lucy Baldwin, 123RF.com
compute server (Figure 3) [11]. Dependancies for this code on Ubuntu 22.04 are easily sourced: Figure 3: Shockwave is put to use running numerical
14%
Resource Management with Slurm
05.11.2018
Home »  HPC  »  Articles  » 
nodes, and make sure to do this as a user and not as root. 3. To make life easier, use shared storage between the controller and the compute nodes. 4. Make sure the UIDs and GIDs are consistent
14%
Measuring the performance of code
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Lucy Baldwin, 123RF.com
in the standard Python built-ins [2] and in the NumPy library [3]. Figure 1: IPython session comparing two implementations of a round routine. Unless you
14%
Rethinking RAID (on Linux)
16.03.2021
Home »  HPC  »  Articles  » 
6836191232 sdc    8       33  244197544 sdc1    8       48 6836191232 sdd    8       49  244197544 sdd1 Notice that I have one non-volatile memory express (NVMe) drive and two serial-attached SCSI (SAS

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