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26%
New Monitoring Tools
14.04.2021
Home »  HPC  »  Articles  » 
to “expand” (Figure 2). If you want to reduce the zoom, use the m key to “minimize” (Figure 3). Think of it as zooming in and out in your web browser. If you like, you can zoom in on all the charts
26%
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
26%
Dispatches from the world of IT
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
 
openSUSE 12.3 The openSUSE project is rolling out another release of their community-based, Novell-backed, multipurpose Linux. SUSE has a long history of operating in a professional setting
26%
IPRoute2: arp, route, and ifconfig in a Single Tool
06.08.2013
Home »  Articles  » 
 
, that is, MAC addresses and the like, is handled by the link option. For example, using ip link or ip link show shows you the low-level information about the interfaces (Figure 3) in a similar way to ip
26%
Failure to Scale
03.07.2013
Home »  HPC  »  Articles  » 
and the parallel portion 800 seconds. Amdahl’s Law says the speedup is 1.00 (i.e., the starting point). Notice that as the number of processes increase, the wall clock time of the parallel portion decreases
26%
Parallel Programming with OpenCL
04.11.2011
Home »  HPC  »  Articles  » 
with AMD, IBM, and NVidia) submitted a specification to the Khronos Group, which promotes the OpenGL specification. Open Computing Language 1.0 (OpenCL) was released late in 2008 [3]. OpenCL now provides
26%
Tuning I/O Patterns in Python
18.12.2013
Home »  HPC  »  Articles  » 
2P). Listing 2P: Python Code Example with Output in Loop (One-by-One) 1 #!/usr/bin/python 2 3 if __name__ == "__main__": 4 5 local_dict = {'x':0, 'y':0, 'z':0,'value':0.0}; 6 7 counter
26%
Creating Virtual SSDs
21.01.2020
Home »  HPC  »  Articles  » 
    7        1      56008 loop1 06    7        2      56184 loop2 07    7        3      91264 loop3 08  259        0  244198584 nvme0n1 09    8        0  488386584 sda 10    8        1       1024 sda1 11
26%
Favorite benchmarking tools
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © Lucy Baldwin, 123RF.com
sports a few additional capabilities, the most noteworthy being its ability to measure page faults and swapping activity by the tested binary: $ /usr/bin/time gcc test.c -o test 0.03user 0.01system 0:00
26%
Workshop: Container virtualization with LXC on Ubuntu 10.04
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Tormod Rossavik, 123RF.com
=(ALL) ALL replace sudo with admin and quit the chroot environment with exit. Before you can test the container you prepared, you need to configure /lxc/conf.guest in LXC by adding the content from Listing 3

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