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c++ Programming Glossary: fasthttp://stackoverflow.com/questions/1120140/csv-parser-in-c but am willing to try it. Is it overkill bloated or is it fast and efficient Does anyone have faster algorithms using STL or.. bloated or is it fast and efficient Does anyone have faster algorithms using STL or anything else Thanks c parsing text..
Why is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array is processing a sorted array faster than an unsorted array Here is a piece of C code that seems.. c data c std rand 256 With this the next loop runs faster std sort data data arraySize Test clock_t start clock long.. c data c rnd.nextInt 256 With this the next loop runs faster Arrays.sort data Test long start System.nanoTime long sum..
Why use iterators instead of array indices? http://stackoverflow.com/questions/131241/why-use-iterators-instead-of-array-indices The first form is efficient only if vector.size is a fast operation. This is true for vectors but not for lists for example... not making assumptions about random access ability or fast size operation only that the container has iterator capabilities...
Benefits of inline functions in C++? http://stackoverflow.com/questions/145838/benefits-of-inline-functions-in-c the compiler outputs but with today's optimized compilers fast CPUs huge memory etc. not like in the 1980 where memory was.. share improve this question Inline functions are faster because you don't need to push and pop things on off the stack..
What is “cache-friendly” code? http://stackoverflow.com/questions/16699247/what-is-cache-friendly-code with their own caches and so forth. The basic mantra is fast memory is expensive . This is the core reason for the advanced.. is always retrieved through the memory hierarchy smallest fastest to slowest . A cache hit miss usually refers to a hit miss.. to @0x90 for the link Why is processing a sorted array faster than an unsorted array Avoid virtual functions In the context..
Best open XML parser for C++ [closed] http://stackoverflow.com/questions/170686/best-open-xml-parser-for-c this question How about RapidXML RapidXML is a very fast and small XML DOM parser written in C . It is aimed primarily..
C++ performance challenge: integer to std::string conversion http://stackoverflow.com/questions/4351371/c-performance-challenge-integer-to-stdstring-conversion final speed champions are For gcc user434507 at 8 times faster than sprintf http ideone.com 0uhhX For Visual C Timo at 15.. http ideone.com 0uhhX For Visual C Timo at 15 times faster than 'sprintf' http ideone.com VpKO3 c performance string.. call to std string clear which you might expect to be very fast can take 100 clockticks when linking CRT as a static library..
Which is the fastest algorithm to find prime numbers? http://stackoverflow.com/questions/453793/which-is-the-fastest-algorithm-to-find-prime-numbers is the fastest algorithm to find prime numbers Which is the fastest algorithm.. the fastest algorithm to find prime numbers Which is the fastest algorithm to find out prime numbers using C I have used sieve's.. C I have used sieve's algorithm but I still want it to be faster c primes share improve this question A very fast implementation..
Difference between 'struct' and 'typedef struct' in C++? http://stackoverflow.com/questions/612328/difference-between-struct-and-typedef-struct-in-c always have to call it a struct Foo . This gets annoying fast so you can add a typedef struct Foo ... typedef struct Foo Foo..
Why should `new` be used as little as possible? http://stackoverflow.com/questions/6500313/why-should-new-be-used-as-little-as-possible variables in many programming languages. It is very very fast because it requires minimal book keeping and the next address.. automatic storage as often as possible makes your programs faster to type faster when run less prone to memory resource leaks... as often as possible makes your programs faster to type faster when run less prone to memory resource leaks. Bonus points..
Why is reading lines from stdin much slower in C++ than Python? http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python my original while loop above results in code that runs faster than Python. New performance comparison this is on my 2011.. As suggested by Gandalf The Gray below gets is even faster than scanf or the unsynchronized cin approach. I also learned.. results using an even larger file 100M lines ~3.4GB on a fast server with very fast disk comparing the python the unsynced..
What XML parser should I use in C++? http://stackoverflow.com/questions/9387610/what-xml-parser-should-i-use-in-c needs to take XML and turn it into C datastructures as fast as this conversion can possibly happen. You have chosen RapidXML.. structures that you can access. And it does this about as fast as it takes to scan the file byte by byte. Of course there's.. if you need that sort of thing. But Pugi is still quite fast. Like RapidXML it has no dependencies and is distributed under..
Fast n choose k mod p for large n? http://stackoverflow.com/questions/10118137/fast-n-choose-k-mod-p-for-large-n n choose k mod p for large n What I mean by large n is something..
Fast String Hashing Algorithm with low collision rates with 32 bit integer http://stackoverflow.com/questions/114085/fast-string-hashing-algorithm-with-low-collision-rates-with-32-bit-integer String Hashing Algorithm with low collision rates with 32 bit..
Fast bignum square computation http://stackoverflow.com/questions/18465326/fast-bignum-square-computation bignum square computation To speed up my bignum divisons i..
modular arithmetics and NTT (finite field DFT) optimizations http://stackoverflow.com/questions/18577076/modular-arithmetics-and-ntt-finite-field-dft-optimizations optimizations I wanted to use NTT for fast squaring see Fast bignum square computation but the result is slow even for really..
Is there a standard sign function (signum, sgn) in C/C++? http://stackoverflow.com/questions/1903954/is-there-a-standard-sign-function-signum-sgn-in-c-c custom types constructible from integer 0 and orderable. Fast copysign is slow especially if you need to promote and then..
Fast rectangle to rectangle intersection http://stackoverflow.com/questions/2752349/fast-rectangle-to-rectangle-intersection rectangle to rectangle intersection What's a fast way to test..
Fastest way to get the integer part of sqrt(n)? http://stackoverflow.com/questions/4930307/fastest-way-to-get-the-integer-part-of-sqrtn way to get the integer part of sqrt n As we know if n is.. share improve this question I would try the Fast Inverse Square Root trick. It's a way to get a very good approximation.. return root private int _number http en.wikipedia.org wiki Fast_inverse_square_root class FastSqrt public FastSqrt int n _number..
Fast string splitting with multiple delimiters http://stackoverflow.com/questions/5505965/fast-string-splitting-with-multiple-delimiters string splitting with multiple delimiters Hi StackOverflow..
Tutorial for Iphone OpenCV on shape recognising http://stackoverflow.com/questions/5738792/tutorial-for-iphone-opencv-on-shape-recognising colored objects in OpenCV Circle recognition using openCV Fast OpenCV Circle Tracking check the description of the video for..
Fast, templated, C++ Octree implementation http://stackoverflow.com/questions/5963954/fast-templated-c-octree-implementation templated C Octree implementation I've been searching high..
Fast multiplication/division by 2 for floats and doubles (C/C++) http://stackoverflow.com/questions/7720668/fast-multiplication-division-by-2-for-floats-and-doubles-c-c multiplication division by 2 for floats and doubles C C In..
Fast Cross-Platform C/C++ Image Processing Libraries http://stackoverflow.com/questions/796364/fast-cross-platform-c-c-image-processing-libraries Cross Platform C C Image Processing Libraries What are some..
Fastest code C/C++ to select the median in a set of 27 floating point values http://stackoverflow.com/questions/810657/fastest-code-c-c-to-select-the-median-in-a-set-of-27-floating-point-values code C C to select the median in a set of 27 floating point.. so far was referenced below by Boojum as a link to the Fast Median and Bilateral Filtering paper which is now the answer.. array of volume data you might want to take a look at the Fast Median and Bilateral Filtering paper from SIGGRAPH 2006. That..
http://stackoverflow.com/questions/9568150/what-is-a-c-delegate particularly succinctly Member Function Pointers and the Fastest Possible C Delegates The Impossibly Fast C Delegates c delegates.. and the Fastest Possible C Delegates The Impossibly Fast C Delegates c delegates delegation share improve this question.. Option 4 pointer to member functions fastest solution See Fast C Delegate on The Code Project . struct DelegateList int f1..
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