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15%
Checking password complexity with John the Ripper
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
c/s virtual 12 13 Benchmarking: OpenBSD Blowfish (x32) [32/64 X2]... DONE 14 Raw: 723 c/s real, 723 c/s virtual 15 16 Benchmarking: Kerberos AFS DES [48/64 4K]... DONE 17 Short: 378501 c/s real
14%
mpi4py – high-performance distributed Python
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © liu liming, 123RF.com
): 11 12 s = 0.0 13 s += h * f(a) 14 for i in range(1, n): 15 s += 2.0 * h * f(a + i*h) 16 # end for 17 s += h * f(b) 18 return (s/2.) 19 # end def 20 21 22 # Main section 23 comm = MPI
14%
HDF5 and Parallel I/O
17.05.2017
Home »  HPC  »  Articles  » 
, 5 ) / ( 8, 5 ) }       DATA {       (0,0): 0, 1, 2, 3, 4,       (1,0): 5, 6, 7, 8, 9,       (2,0): 10, 11, 12, 13, 14,       (3,0): 15, 16, 17, 18, 19,       (4,0): 20, 21, 22, 23, 24,       (5,0): 25, 26, 27, 28, 29,       (6
14%
Parallel Programming with OpenCL
04.11.2011
Home »  HPC  »  Articles  » 
::min((int) std::numeric_limits::max(), std::max(value, (int) std::numeric_limits::min())); 20 } 21  22 /** 23  * Convolve a grayscale image with a convolution  24  * kernel on the CPU. 25
14%
Small-board computers
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Author, 123RF.com
: Tegra X1: 25.6GBps memory bandwidth HDMI 2.0 and HDCP 2.2 10W power Peak performance: 1,024GFLOPS with FP16; 512GFLOPS with FP32 ARM Cortex CPUs: Quad-core 64-bit ARM Cortex-A57 ... 25
14%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© kudryashka, 123RF.com
=> 12; 05 06 # Hash AV pairs: (load in vusers, throughput in gets/sec) 07 %tpdata = ( (1,24), (2,48), (4,85), (7,100), (10,99), (20,94) ); 08 09 @vusers = keys(%tpdata); 10 $model = "e-Commerce Final
14%
High availability clustering on a budget with KVM
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Yulia Saponova, 123RF.com
with nearly native performance. However, KVM does need a state-of-the-art CPU generation with virtualization functionality (VT-X/AMD-V). All the virtual machines in this article will run on the KVM hypervisor
14%
CPU affinity in OpenMP and MPI applications
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Lead Image © podfoto, 123RF.com
,32 1,33 2,34 3,35 4,36 5,37 6,38 7,39 8,40 9,41 10,42 11,43 12,44 13,45 14,46 15,47 16,48 17,49 18,50 19,51 20,52 21,53 22,54 23,55 24,56 25,57 26,58 27,59 28,60 29,61 30,62 31,63 The lstopo tool
14%
What's your status (page)?
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
Lead Image © Tatiana Venkova, 123RF.com
notify_after: 2 19 notify_all_changes: true 20 public: true 21 redirect: true 22 23 x-icmping: &icmping 24 type: icmp 25 check_interval: 60 26 timeout: 15 27 allow_notifications: true 28
14%
Getting the most from your cores
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © ktsdesign, 123RF.com
_list = []; 47 for x in range(140): # hard coded as an example 48 cpu_percent_local = []; 49 epoch_list.append(time.time()); 50 51 cpu

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