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Visual studio long compilation when replacing int with double
...ibrary routines to do the translation, while integer math can just use the CPU instructions. At the time the IEEE defined the standard, they made some choices that were very uncommon in implementation, and especially that long ago much more expensive to implement in microcode, and of course the curr...
Why is my program slow when looping over exactly 8192 elements?
...e div per pixel. Each loop using less local var than there are register in CPU. The other require 7 increments, 6 decrements, 1 div and between 10 to 20 mul for addressing depending on compiler optimization. Also each instruction in the loop require the result of the previous instruction, this disca...
Difference between Groovy Binary and Source release?
...ore common on linux systems because linux systems can dramatically vary in cpu, installed library versions, kernelversions and nearly every linux system has a compiler installed.
binary releases are common on ms-windows systems. most windows machines do not have a compiler installed.
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How to find out which view is focused?
...()
Be aware this thread runs in a 100ms cycle so it doesn't overflow the CPU with unnecessary work.
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菜单的背景颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...运行效果如下图：
（PS：不知道大家有没有碰到过这个问题,MENUINFO结构未定义，解决的方法是进入文件选项卡（FileView),在Source File文件下的StdAfx.cpp文件里的最前面部分添加这个语句：#define WINVER 0x0501）
设计弹出式菜单
CMen...
How do I include a pipe | in my linux find -exec command?
... advantage of xargs would be, that you can speed it with modern multi core cpu even more up, by using the -P switch (-P 0).
– flolo
Nov 20 '08 at 23:03
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How can I generate a unique ID in Python? [duplicate]
...dom library :)
1 million id per second ?... on a Intel(R) Core(TM)2 CPU 6400 @ 2.13GHz, you get :
>>> timeit.timeit(uniqueid,number=40000)
1.0114529132843018
an average of 40000 id/second
"""
mynow=datetime.now
sft=datetime.strftime
# store old dat...
Fastest way to extract frames using ffmpeg?
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I'd like to add that while JPEG isn't really hard on the CPU, uncompressed Bitmaps is really really hard on the storage, so I doubt you'll get higher throughput with BMP compared to JPEG.
– Marcus Müller
Apr 3 '17 at 13:12
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Eclipse “Invalid Project Description” when creating new project from existing source
... of many. Now it's finally trying to load, but literally taking forever on CPU. I reinstalled eclipse to no avail, but thanks for this. One step closer now.
– Stephen J
Jun 9 '14 at 5:56
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Utilizing multi core for tar+gzip/bzip compression/decompression
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There is effectively no CPU time spent tarring, so it wouldn't help much. The tar format is just a copy of the input file with header blocks in between files.
– Mark Adler
Apr 23 '15 at 5:23
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