CSharp/C#, Code optimisation

Code optimisation

Author	Message
Martin Mille #1 / 5	Code optimisation Hi All, I was just wondering if anyone could tell me whether or not the C# compiler contains an optimiser? I want to create a number of modules in C#, the way I have always done it (in the past) using C is to leave the test stubs in so they can be re-used later if required. The optimiser would then remove this redundant code when not in use. Can I do the same in C#? Thanks in advance, Martin.
Thu, 16 Dec 2004 02:54:36 GMT

Chad Myer #2 / 5	Code optimisation Quote: > Hi All, > I was just wondering if anyone could tell me whether or not the C# compiler > contains an optimiser? > I want to create a number of modules in C#, the way I have always done it > (in the past) using C is to leave the test stubs in so they can be re-used > later if required. The optimiser would then remove this redundant code when > not in use. > Can I do the same in C#? The C# contains some optimization, but I'm not sure exactly what it does. What you're looking to do involves compiler directives. Generally, people have two types of compiles: DEBUG and RELEASE. What you'd do is put a compiler conditional around your test stubs so that when the DEBUG compiler directive is set, it WILL compile the stubs, but when it's set to RELEASE, it WON'T compile. #if DEBUG /* Do test stub stuf here */ #endif See the .NET Framework SDK on "#if preprocessor directive". Also, I'd like to point out that, generally, it's bad practice to modify classes for special testing functions. What you should do is leave the class whole and in-tact, and then write seperate test classes that test the public or internal members of the class. -c
Wed, 15 Dec 2004 23:25:25 GMT

Bob Gromme #3 / 5	Code optimisation IMO it's better to organize a separate test solution T for any given solution A. Include all projects from A in T that are required for testing, and then write a test harness to exercise everything. You might also want to take a close look at NUnit, which I am finding a very useful aid for this kind of systematic testing: http://nunit.sourceforge.net/ --Bob Grommes Quote: > Hi All, > I was just wondering if anyone could tell me whether or not the C# compiler > contains an optimiser? > I want to create a number of modules in C#, the way I have always done it > (in the past) using C is to leave the test stubs in so they can be re-used > later if required. The optimiser would then remove this redundant code when > not in use. > Can I do the same in C#? > Thanks in advance, > Martin.
Thu, 16 Dec 2004 01:56:27 GMT

Martin Mille #4 / 5	Code optimisation Thanks Bob, I'll have a look at NUnit and see if it can do the job. From what I have been able to see from the books I currently have available, most if not all of the optimisation is being performed at the JIT compiler stage. Martin. Quote: > IMO it's better to organize a separate test solution T for any given solution > A. Include all projects from A in T that are required for testing, and then > write a test harness to exercise everything. > You might also want to take a close look at NUnit, which I am finding a very > useful aid for this kind of systematic testing: > http://nunit.sourceforge.net/ > --Bob Grommes > > Hi All, > > I was just wondering if anyone could tell me whether or not the C# compiler > > contains an optimiser? > > I want to create a number of modules in C#, the way I have always done it > > (in the past) using C is to leave the test stubs in so they can be re-used > > later if required. The optimiser would then remove this redundant code when > > not in use. > > Can I do the same in C#? > > Thanks in advance, > > Martin.
Thu, 16 Dec 2004 21:10:20 GMT

Tomas Restrep #5 / 5	Code optimisation Martin, Quote: > I was just wondering if anyone could tell me whether or not the C# compiler > contains an optimiser? > I want to create a number of modules in C#, the way I have always done it > (in the past) using C is to leave the test stubs in so they can be re-used > later if required. The optimiser would then remove this redundant code when > not in use. > Can I do the same in C#? The C# compiler will not remove unused code. However, that doesn't need to be necessarily bad. Although the actual MSIL and metadata will still be there in the resulting assembly, if, at runtime, the code is never used, it will never be JITed, since the JIT compiler works on a method-by-method basis. -- Tomas Restrepo
Fri, 17 Dec 2004 07:08:53 GMT

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