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POchecking speed and memory size of a c# method
 

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    <p>Does anyone see any issues with this basic test?</p> <pre><code>var GC_MemoryStart = System.GC.GetTotalMemory(true); Stopwatch stopWatch = new Stopwatch(); stopWatch.Start(); var test = new InquiryServiceTypeData().GetActive(true); stopWatch.Stop(); var GC_MemoryEnd = System.GC.GetTotalMemory(true); arrayTotal[i] = (stopWatch.ElapsedTicks * 1000.0) / Stopwatch.Frequency; size[i] = GC_MemoryEnd - GC_MemoryStart; </code></pre> <p>Just trying to get a general estimate of how long the method takes to run and how much memory in the heap it uses. </p> <p>Aka, some of the tests use dataset/datatables, some use lists, and some use both. </p> <p>This code is thrown in a loop so that I can change the number of iterations. I then display the average time each method takes and the average size.</p> <p>EDIT: The GetActive method accesses a database and returns data. The different methods that I'm measuring process the data returned in a different way. </p> <p>Method 1 - Returns a data into a dataset and then converts to an object list. Method 2 - Returns a datareader and converts to an object list. Method 3 - A merging of the first 2 methods.</p> <p>The reason for the code is to settle a disagrement with a coworker. He thinks my code was crap because the datareader and converting to an object list has a ton of 'new' statements which places a load on the heap. I argue that he's wrong. So I want to show him metrics because he didn't listen to any of my logical statements. You can't argue with numbers though. </p>
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    1. COWhat exactly is the idea behind the memory test? To clarify: the code may create long-lived objects, and it may also create ref type instances that are intended to be discarded. What do you want to measure?
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    2. COa disagreement with a coworker. He says that my code was crap and that you should do it his way because it uses less memory on the heap.
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    3. COBTW, the DataReader method will be faster.
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