compiler-optimization

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Extent of GHC's optimization

I am not very familiar with the degree that Haskell/GHC can optimize code.Below I have a pretty \"brute-force\" (in the declarative sense) implementation of the n queens problem.I know it can be writt[详细]

2023-03-15 17:31 分类：问答
Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?

I am doing some numerical optimization on a scientific application. One thing I noticed is that GCC will optimize the call pow(a,2) by compiling it into a*a, but the call pow(a,6) is not optimized and[详细]

2023-03-14 06:58 分类：问答
Can different optimization levels lead to functionally different code?

I am curious about the liberties that a compiler has when optimizing. Let\'s limit this question to GCC and C/C++ (any version, any flavour of standard):[详细]

2023-03-13 18:26 分类：问答
What MSVC++ 2008 Express Editon compiler does and doesn't

I\'ve been wondering if the msvc++ 2008 compiler takes care of multiple header includes of the same file,开发者_StackOverflow considering this example:[详细]

2023-03-13 08:08 分类：问答
Are methods in classes using the 'Curiously Recurring Template Pattern' inlined by a modern c++ compiler

I have a performance critical piece of code for which I am considering using the CRTP. My question is to what extent most compilers are able to optimize the code. In particular I am wonde开发者_运维问[详细]

2023-03-11 18:22 分类：问答
What kind of optimizations AVM2 supports?

I wonder, what kind of optimizations AVM2 (ActionScript 3 VM) support? I know it uses JI开发者_如何学编程T but does it support Dead Code Elimination, constant folding, inlining, etc.[详细]

2023-03-11 00:55 分类：问答
Is an empty block optimized away? C#

I am developing a game server in C# and a specific packet gets sent to my server 3 to 5 times per second per player. We will call that packet PacketA. I don\'t do anything with it except make sure tha[详细]

2023-03-10 07:31 分类：问答
Do unused functions get optimized out?

Compilers t开发者_JS百科hese days tend to do a significant amount of optimizations. Do they also remove unused functions from the final output?It depends on the compiler. Visual C++ 9 can do that - un[详细]

2023-03-09 20:29 分类：问答
Wild execution of instructions happen when optimization set to high in IAR MSP430 compiler

Please refer to my code below. When optimization in IAR MSP430 compiler is set high, I am having the following issue. Code works fine when optimization is low.[详细]

2023-03-09 14:16 分类：问答
Java Code Compiler Optimization in Android

Assuming I have defined a string like this: priv开发者_如何学Pythonate final static String s = \"To Be or not to be, that is the question\";[详细]

2023-03-07 02:13 分类：问答