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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...
How to clear MemoryCache?
... Change monitor still gets called. 3. My machine was swallowing all of the CPU, and taking a really long time to clear 30k items from the cache when I was running performance tests. A few times after waiting 5+ minutes I just killed the tests.
– Aaron M
Sep 24 ...
Debug vs. Release performance
...os and cons, and a general "running in debug is slower, but only if you're CPU bound" statement is enough to help with the decision.
– Josh Mouch
Dec 18 '18 at 16:05
add a com...
How to set the focus for a particular field in a Bootstrap modal, once it appears
...I turn the modal fade off in the options, it will not render if there is a CPU intensive task right after the modal popup. Using this timeout is the only way I can get it to work.
– krx
Jun 9 '15 at 18:02
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How to check if a file is a valid image file?
...dard Pillow or 40 MBytes/sec with Pillow-SIMD module (modern 2.5Ghz x86_64 CPU).
For the other formats psd,xcf,.. you can use Imagemagick wrapper Wand, the code is as follows:
im = wand.image.Image(filename=filename)
temp = im.flip;
im.close()
But, from my experiments Wand does not detect trunca...
An efficient compression algorithm for short text strings [closed]
...a brilliant compression ratio, but it is incredibly frugal with memory and CPU resources and can also work on a continuous stream of data - the decompressor maintains its own copy of the lookup table as it decompresses, thus the lookup table adjusts to the type of data being compressed.
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How can I get the current network interface throughput statistics on Linux/UNIX? [closed]
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iftop does for network usage what top(1) does for CPU usage -- http://www.ex-parrot.com/~pdw/iftop/
I don't know how "standard" iftop is, but I was able to install it with yum install iftop on Fedora.
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How can I wait In Node.js (JavaScript)? l need to pause for a period of time
...le. Yet people say "horrible" .... This is great e.g. for simulating heavy CPU load etc. Btw very similar to this phpied.com/sleep-in-javascript
– Don Cheadle
Feb 6 '17 at 17:24
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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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What is “Power Save Mode” in IntelliJ IDEA and other Jetbrains IDEs?
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It seems that they do get a LOT of cpu time even when they are in background doing nothing! Still looking for a better solution, as in freezing them while in background and not running the debugger.
– sorin
Apr 1 '15 at 1...