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c++ Programming Glossary: cycleshttp://stackoverflow.com/questions/12135518/is-faster-than C. Latency and Throughput. Latency The number of clock cycles that are required for the execution core to complete the execution.. that form an instruction. Throughput The number of clock cycles required to wait before the issue ports are free to accept the..
Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?) http://stackoverflow.com/questions/161177/does-c-support-finally-blocks-and-whats-this-raii-i-keep-hearing-about released memory is only released during garbage collection cycles. Some people believe that Destruction is Resource Relinquishment..
http://stackoverflow.com/questions/1613230/uses-of-c-comma-operator do some branching you use if statements. You can also use cycles and other kinds of control transfer statements. In expression.. properties of and operators. Expression programming has no cycles though. And to replace them with recursion you'd have to apply..
What is “cache-friendly” code? http://stackoverflow.com/questions/16699247/what-is-cache-friendly-code RAM or worse ... which takes a lot of time hundreds of cycles for RAM tens of millions of cycles for HDD . In comparison reading.. lot of time hundreds of cycles for RAM tens of millions of cycles for HDD . In comparison reading data from the highest level.. the highest level cache typically takes only a handful of cycles. In modern computer architectures the performance bottleneck..
http://stackoverflow.com/questions/195853/spinlock-versus-semaphore a spinlock is a busy operation that possibly burns CPU cycles for a long time maybe forever while it effectively achieves.. times so if a lock can be acquired by burning a few cycles spinning this may overall very well be more efficient. Also.. the overhead of acquiring the spinlock is a mere dozen cycles as compared to hundreds thousands of cycles for a context switch..
http://stackoverflow.com/questions/4757565/c-forward-declaration other Additionally forward declarations can help you break cycles. This is where two functions both try to use each other. When..
Position of least significant bit that is set http://stackoverflow.com/questions/757059/position-of-least-significant-bit-that-is-set 1 value 1 pos return pos Any ideas how to squeeze some cycles out of it Note this question is for people that enjoy such things..
how to achieve 4 FLOPs per cycle http://stackoverflow.com/questions/8389648/how-to-achieve-4-flops-per-cycle a modern x86 64 Intel cpu As far as I understand it take 3 cycles for an sse add and 5 cycles for a mul to complete on most of.. far as I understand it take 3 cycles for an sse add and 5 cycles for a mul to complete on most of the modern Intel cpu's see.. independent from each other and take on average 6 cycles to execute. So there's 12 instructions and 6 cycles between..
Which kind of pointer do I use when? http://stackoverflow.com/questions/8706192/which-kind-of-pointer-do-i-use-when resource without influencing its lifetime not to break cycles. Cycles with shared_ptr shouldn't normally happen two resources..
Smart Pointers: Or who owns you baby? [closed] http://stackoverflow.com/questions/94227/smart-pointers-or-who-owns-you-baby where a cycle of pointers may happen. Usage Used to stop cycles from retaining objects when only the cycle is maintaining a..
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