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38%
$10 Raspberry Pi Zero Goes Wireless
28.02.2017
Home »  News  » 
 
To celebrate its fifth birthday, the Raspberry Pi Foundation has launched Raspberry Pi Zero W, a version of the ultra-low-cost Pi Zero series with WiFi and Bluetooth 4.0 capabilities. The dPi Zero W
38%
I/O Profiling at the Block Level
27.08.2014
Home »  HPC  »  Articles  » 
record size, (2) sequential read testing with 1MB record size, and (3) random write and read (4KB). In running these tests, I wanted to see what block layer information ioprof revealed. The system I
37%
Improving performance with environment variables
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © sgame, fotolia.com
.858993 0.000076 0.858993 0.000099 0.660764 0.000107 0.613567 64 0.000099 5.286114 0.000145 3.616815 0.000153 3
37%
Best practices for KVM on NUMA servers
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © Joe Belanger, 123RF.com
Viewing Server Topology 01 # numactl --hardware available: 8 nodes (0-7) node 0 cpus: 0 1 2 3 4 5 6 7 8 9 node 0 size: 16373 MB node 0 free: 15837 MB node 1 cpus: 10 11 12 13 14 15 16 17 18 19 node 1
37%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
records in 1000000+0 records out 512000000 bytes (512 MB) copied, 1.58155 s, 324 MB/s # dd of=file if=/dev/zero bs=512 count=1000000 oflag=direct 1000000+0 records in 1000000+0 records out 512000000 bytes
37%
A closer look at hard drives
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Lucy Baldwin, 123RF
mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6 32 Cycle time: min=120ns recommended=120ns 33 PIO: pio0 pio1 pio2 pio3 pio4 34 Cycle time: no flow control=120
37%
Setting up Windows clients with Chef
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Sebastian Kaulitzki, 123RF.com
between 64-bit versions for Red Hat Enterprise and Ubuntu. After downloading the 500MB DEB file, install it in the usual way from the Ubuntu Software Center and acknowledge any errors relating
37%
Monitor Your Nodes with collectl
28.03.2012
Home »  HPC  »  Articles  » 
--------><----------Disks-----------><----------Network----------> #cpu sys inter ctxsw KBRead Reads KBWrit Writes KBIn PktIn KBOut PktOut 3 1 1421 2168 0 0 41000 90 0 2 0 0 3 2 1509 2198 64 2 49712
37%
NVDIMM and the Linux kernel
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Denis Dryashkin, 123RF.com
=/mnt/test.dat oflag=direct bs=4k count=$((1024*1024)) 1048576+0 records in 1048576+0 records out 4294967296 bytes (4.3 GB, 4.0 GiB) copied, 4.55899 s, 942 MB/s Availability NVDIMMs will probably go on sale
37%
Monitoring Storage with iostat
25.02.2013
Home »  HPC  »  Articles  » 
) 01/31/2013 _i686_ (1 CPU)01/31/2013 09:56:01 AM avg-cpu: %user %nice %system %iowait %steal %idle 14.78 0.38 3.47 2.16 0.00 79.21 Device: rrqm/s wrqm

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