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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_

...ependency chain depending on what the register allocator decided to do. 13 GB/s has a chain: popcnt-add-popcnt-popcnt → next iteration 15 GB/s has a chain: popcnt-add-popcnt-add → next iteration 20 GB/s has a chain: popcnt-popcnt → next iteration 26 GB/s has a chain: popcnt-popcnt → next i...
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How to read the output from git diff?

...y index 95% rename from builtin-http-fetch.c rename to http-fetch.c index f3e63d7..e8f44ba 100644 --- a/builtin-http-fetch.c +++ b/http-fetch.c @@ -1,8 +1,9 @@ #include "cache.h" #include "walker.h" -int cmd_http_fetch(int argc, const char **argv, const char *prefix) +int main(int argc, const cha...
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How to define a preprocessor symbol in Xcode

... answered Dec 15 '08 at 3:50 Ben GottliebBen Gottlieb 83.9k2222 gold badges171171 silver badges170170 bronze badges ...
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Can you write nested functions in JavaScript?

...eturn b; // <-- you can even return a function. } console.log(a(3)(4)); share | improve this answer | follow | ...
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Is there a bash command which counts files?

... | edited Jan 25 '17 at 5:37 answered Jul 3 '12 at 8:41 Dan...
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Running Python on Windows for Node.js dependencies

... 134 Your problem is that you didn't set the environment variable. The error clearly says this: gy...
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List of Rails Model Types

... | edited Dec 23 '17 at 2:42 John Bachir 20.6k2020 gold badges131131 silver badges202202 bronze badges ...
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How can I use “:” as an AWK field separator?

... 399 "-F" is a command line argument, not AWK syntax. Try: echo "1: " | awk -F ":" '/1/ {print $1...
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Limit labels number on Chart.js line chart

... | edited Jan 30 '17 at 16:27 reformed 3,69499 gold badges5050 silver badges7373 bronze badges ...
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CSS3 :unchecked pseudo-class

I know there is an official CSS3 :checked pseudo-class, but is there an :unchecked pseudo-class, and do they have the same browser support? ...