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c++ Programming Glossary: caching

Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?

http://stackoverflow.com/questions/11413855/why-is-transposing-a-matrix-of-512x512-much-slower-than-transposing-a-matrix-of

cache. For terms and detailed info see the wiki entry on caching I'm gonna narrow it down here. A cache is organized in sets..

What is “cache-friendly” code?

http://stackoverflow.com/questions/16699247/what-is-cache-friendly-code

I make sure I write cache efficient code c performance caching memory cpu cache share improve this question Preliminaries.. is expensive . This is the core reason for the advanced caching we see today. Caching is one of the main methods to reduce the.. to place related data close in memory to allow efficient caching. In terms of the CPU cache it's important to be aware of cache..

1D or 2D array, what's faster?

http://stackoverflow.com/questions/17259877/1d-or-2d-array-whats-faster

performance than for contiguous storage pattern due to caching for instance. Frequent Allocation Deallocation As many as N..

Linux C++: how to profile time wasted due to cache misses?

http://stackoverflow.com/questions/2486840/linux-c-how-to-profile-time-wasted-due-to-cache-misses

that effects pretty much all functions and screws with caching. Is there a way to measure the time my CPU wastes due to cache.. the time my CPU wastes due to cache misses Thanks c linux caching profiling share improve this question You could try cachegrind..

Read whole ASCII file into C++ std::string

http://stackoverflow.com/questions/2602013/read-whole-ascii-file-into-c-stdstring

beneficial as I did please up vote his answer . c string caching file io standard library share improve this question Update..

What kinds of optimizations does 'volatile' prevent in C++?

http://stackoverflow.com/questions/3604569/what-kinds-of-optimizations-does-volatile-prevent-in-c

behind your program's back. That prevents compilers from caching the value in a CPU register and from optimizing away accesses..

What techniques can be used to speed up C++ compilation times?

http://stackoverflow.com/questions/373142/what-techniques-can-be-used-to-speed-up-c-compilation-times

files. ccache is another utility that takes advantage of caching techniques to speed things up. Use Parallelism Many compilers..

Debugging Best Practices for C++ STL/Boost with gdb

http://stackoverflow.com/questions/432567/debugging-best-practices-for-c-stl-boost-with-gdb

e.g boost bimap is great for the common pattern of LRU caching logic. There goes another heap of GDB time. Adopting unittesting...

When to use volatile with multi threading?

http://stackoverflow.com/questions/4557979/when-to-use-volatile-with-multi-threading

say make the variable volatile to prevent the compiler caching the variable in a register and it thus not getting updated correctly...

How to Build a custom simple DNS server in C/C++ [closed]

http://stackoverflow.com/questions/649618/how-to-build-a-custom-simple-dns-server-in-c-c

closed I need to build a custom simple non authoritative caching DNS server in C C . Any guidance Links Samples Thanks c c dns..

Programmatically get the cache line size?

http://stackoverflow.com/questions/794632/programmatically-get-the-cache-line-size

welcome please specify the platform for your answer. c c caching operating system systems programming share improve this question..

how to call java function from c++?

http://stackoverflow.com/questions/819536/how-to-call-java-function-from-c

you can cache the JNIEnv pointer. As an advice be careful caching pointers to the JVM from C C there are some semantics involved..

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

of text. Yes I ran it several times to eliminate disk caching confound. usr bin time cat test_lines_double . readline_test_cpp..

What are the semantics of a const member function?

http://stackoverflow.com/questions/98705/what-are-the-semantics-of-a-const-member-function

This is typically used to identify variables used for caching results or for variables that don't affect the actual observable.. to data so you can modify the pointed to data. As for caching in general the compiler cannot do this because the state might..