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Which is better option to use for dividing an integer number by 2?

...author will make choices that get the best possible performance out of the CPU. – RBerteig May 21 '12 at 20:35 6 ...
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Find size of object instance in bytes in c#

... the memory consumption of a runtime graph of objects. VS2017's memory and CPU profiling are very good, as are ReSharper's and other tools, and that's what I'd use to measure. – jnm2 Mar 9 '17 at 18:23 ...
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How can I shuffle the lines of a text file on the Unix command line or in a shell script?

... Here is a first try that's easy on the coder but hard on the CPU which prepends a random number to each line, sorts them and then strips the random number from each line. In effect, the lines are sorted randomly: cat myfile | awk 'BEGIN{srand();}{print rand()"\t"$0}' | sort -k1 -n | c...
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Exception thrown inside catch block - will it be caught again?

... System.exit is friendlier to the CPU! :-O But yes, okay, clearly this is a subjective criterion. Also, I didn't know you to be a code golfer. ;-) – Chris Jester-Young Sep 15 '11 at 23:30 ...
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What is an OS kernel ? How does it differ from an operating system? [closed]

...le applications to effectively share the hardware by controlling access to CPU, memory, disk I/O, and networking. An operating system is the kernel plus applications that enable users to get something done (i.e compiler, text editor, window manager, etc). ...
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When someone writes a new programming language, what do they write it IN?

...ach instruction in the language corresponds to a single instruction to the CPU. Its very low level language and extremely verbose and very labor intensive to write in. But even writing assembly language requires a program called an assembler to convert the assembly language into "machine language"....
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What is the difference between mutex and critical section?

... @TroyHoward try forcing your CPU to run at 100% all the time and see if INFINITE works better. The power strategy can take as long as 40ms on my machine (Dell XPS-8700) to crawl back up to full speed after it decides to slow down, which it may not do if ...
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In Clojure, when should I use a vector over a list, and the other way around?

...t both ends a list is a pretty terrible choice. A deque is much better (in CPU and especially memory). Try github.com/pjstadig/deque-clojure – boxed Dec 24 '13 at 10:00 2 ...
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Why does Java's hashCode() in String use 31 as a multiplier?

... I think the choice of 31 is rather unfortunate. Sure, it might save a few CPU cycles on old machines, but you have hash collisions already on short ascii strings like "@ and #! , or Ca and DB . This does not happen if you choose, for instance, 1327144003, or at least 524287 which also allows bitsh...
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Animated GIF in IE stopping

... spin.js unfortunately is quite CPU intensive. See issues/8, issues/200, issues/215 – user247702 Aug 13 '15 at 14:00 ...