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c++ Programming Glossary: fscanfHow to parse space-separated floats in C++ quickly? http://stackoverflow.com/questions/17465061/how-to-parse-space-separated-floats-in-c-quickly uses the same conversion routines. You can always try fscanf or scanf on your memory mapped stream. Depending on the implementation.. ... 784000 microseconds per iteration Testing Using fscanf directly 5 iterations ... 526000 microseconds per iteration..
What is the modern equivalent (C++) style for the older (C-like) fscanf method? http://stackoverflow.com/questions/2537500/what-is-the-modern-equivalent-c-style-for-the-older-c-like-fscanf-method is the modern equivalent C style for the older C like fscanf method What is the best option if I want to upgrade old C code.. with a semicolon delimiter reading in from file C like fscanf tFile d mypost.nr delimiter fscanf tFile ^ mypost.aftername.. in from file C like fscanf tFile d mypost.nr delimiter fscanf tFile ^ mypost.aftername delimiter fscanf tFile ^ mypost.forename..
How can I speed up line by line reading of an ASCII file? (C++) http://stackoverflow.com/questions/5164538/how-can-i-speed-up-line-by-line-reading-of-an-ascii-file-c O3 shows that I O is not the bottleneck. Whether using fscanf into a char array followed by dict.insert or operator as in.. std string in your code drops the execution time to 45 ms fscanf 55 ms operator for me. Try to profile IO and set insertion separately...
How to get IOStream to perform better? http://stackoverflow.com/questions/5166263/how-to-get-iostream-to-perform-better reading of a file It seems that the best answer is to use fscanf ... and that the C ifstream is consistently x2 x3 times slower... operator FILE file fopen _filename r int count 0 while fscanf file s _buffer 1 count fclose file char const _filename char..
Fastest way to read numerical values from text file in C++ (double in this case) http://stackoverflow.com/questions/5678932/fastest-way-to-read-numerical-values-from-text-file-in-c-double-in-this-case nRead 0 nRead height nRead for mRead 0 mRead 1000 mRead fscanf ifp le value Cst nRead mRead value fclose ifp What can I change..
Program isn't printing correctly http://stackoverflow.com/questions/5761204/program-isnt-printing-correctly the taxableIncome and taxRate and TaxAmount. while fscanf tax n d c d d taxpayerId fillingStatus grossIncome taxExemptions..
How to determine CPU and memory consumption from inside a process? http://stackoverflow.com/questions/63166/how-to-determine-cpu-and-memory-consumption-from-inside-a-process lastTotalIdle void init FILE file fopen proc stat r fscanf file cpu Ld Ld Ld Ld &lastTotalUser &lastTotalUserLow &lastTotalSys.. totalSys totalIdle total file fopen proc stat r fscanf file cpu Ld Ld Ld Ld &totalUser &totalUserLow &totalSys &totalIdle..
How can I execute external commands in C++/Linux? http://stackoverflow.com/questions/671461/how-can-i-execute-external-commands-in-c-linux quality code no error handling FILE file popen ls r use fscanf to read char buffer 100 fscanf file 100s buffer pclose file..
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