Cpu Utilization
in [CSharp]
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From: Maanu on 15 Jun 2010 03:14 Hi, My c# application take more than 60% of CPU utilization. I would like to know which methods are CPU intensive. Is it possible to identify that? Thanks!
From: Peter Duniho on 15 Jun 2010 03:52 Maanu wrote: > Hi, > > My c# application take more than 60% of CPU utilization. I would like to > know which methods are CPU intensive. > > Is it possible to identify that? If your code is executing, it's CPU intensive. The only way you avoid being CPU intensive is to wait for something else (e.g. reading from a file, user input, network i/o, etc.) While executing, _all_ of your code is "CPU intensive". You only reduce your demand on the CPU by not causing the code to be executing as frequently or for as much time. Note that to the extent that a program has been implemented inefficiently, that can artificially and needlessly increase CPU utilization. That is, if you write code that causes the CPU to have to spend 500 milliseconds to accomplish something that should take only 50 milliseconds, then of course CPU utilization will be higher than it needs to be. If you have a specific concise-but-complete code example that reliably demonstrates a CPU utilization problem, then perhaps some additional commentary can be provided. Otherwise, there's not much else to offer beyond the above. Inasmuch as high CPU utilization could be related to the code spending more time than is necessary in a particular area of the code, a profiler such as that provided with the more expensive versions of Visual Studio can be helpful. If you don't have access to a profiler, then if you're patient enough and willing to do some tedious work, you can accomplish much of the same results simply by adding Stopwatch object instances to your code to measure how long specific methods take. Start at the top and measure each method call in a top-level method; whatever method is taking the longest, repeat the procedure within that method, and so on. Pete
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