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49%
Expand your sphere with a piece of Google
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© artida, 123RF.com
or newer. Python programmers need to use version 2.5; the SDK and the environment on the Google servers do not support the current Python 3.0. The SDK for Go exists at the moment only for Linux and Mac OS X
49%
Saving Storage Space with Reduced Precision
19.06.2023
Home »  HPC  »  Articles  » 
object O Python object A simple example from nkmk creates a float64  data type (64-bit floating-point number): import numpy as np a = np.array([1, 2, 3], dtype=np.float64
49%
Getting started with I/O profiling
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Photosani, Fotolia.com
2 2 3 512KB < < 1MB 3 2 2 3 2 4 3 4 1MB < < 10MB 87 87 87 84 74 67
49%
Netcat – The Admin’s Best Friend
20.08.2012
Home »  Articles  » 
 
specified, so you could also try to use this example instead: { echo -ne "HTTP/1.0 200 OK\r\nContent-Length: $(wc -c n\r\n"; cat filename.tar.gz; } | nc -l -p 15000 If all else fails
49%
Netcat – The admin's best friend
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Dmitry Rukhlenko, 123RF.com
to open this file in your web browser. Some browsers need the length of the file specified, so you could also try: { echo -ne U "HTTP/1.0 200 OK\r\nContent-Length: \ $(wc -c n\r\n
49%
The fine art of allocating memory
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
); i+= 4096) newblock[i] = 'Y'; 12 printf("Allocated %d MB\n", allocation); 13 } 14 } Things are more interesting when memory is being used. Uncommenting line 11 does just that. The OOM
49%
High-performance Python – compiled code and C interface
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Konrad Bak, 123RF.com
/include/python3.7m -c helloworld.c -o build/temp.linux-x86_64-3.7/helloworld.o gcc -pthread -shared -B /home/laytonjb/anaconda3/compiler_compat -L/home/laytonjb/anaconda3/lib -Wl ... High-performance Python – compiled code and C interface
49%
Why Good Applications Don't Scale
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © man64, 123RF.com
.2. Assigning the base serial portion s B = 0.195, independent of n , leaves the communication portion s C = 0.005. Figure 2 shows the plot of speedup a as a function of the number of processors
49%
Julia Distributed Arrays
15.08.2012
Home »  HPC  »  Articles  » 
=readall(`date`) "Tue Jul 31 15:51:58 EDT 2012\n" julia> print(d) Tue Jul 31 15:51:58 EDT 2012 In addition to efficient shell integration, Julia also has a very nice C and Fortran interface. Typically, every new
49%
Tuning loops – from loop unrolling to Duff's device
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
[i] + b[i]; } When the number of cycles is known at compile time, a loop can be fully unrolled: c[0] = a[0] + b[0]; c[1] = a[1] + b[1]; c[2] = a[2] + b[2]; c[3] = a[3] + b[3]; However, it remains

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