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45 questions linked to/from Is DateTime.Now the best way to measure a function's performance?
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87 votes
4 answers
118k views

Obviously I can do and DateTime.Now.After - DateTime.Now.Before but there must be something more sophisticated. Any tips appreciated.
Ian G's user avatar
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69 votes
5 answers
43k views

Possible Duplicates: Is DateTime.Now the best way to measure a function's performance? Stopwatch vs. using System.DateTime.Now for timing events I have code which needs to run as fast as ...
Ahmet Altun's user avatar
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16 votes
4 answers
41k views

I have got the following code: DateTime start = DateTime.Now; Thread.Sleep(60000); DateTime end = DateTime.Now; and I would like to calculate the difference in minutes between start and end. How am I ...
P Sawicki's user avatar
  • 219
7 votes
3 answers
20k views

i like to set timer for calculating execution time in c# for particular process in my execution. how can i do this
ratty's user avatar
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1 vote
2 answers
1k views

I was trying to "benchmark" two nearly identical loops. When I inspect them one by one the subtraction is without any hiccups, and the TimeSpan gives back the correct numbers as the TotalMilliseconds. ...
masm64's user avatar
  • 1,292
1 vote
1 answer
933 views

We are working on two different libraries which tends to perform the same work. I have been assigned to check which library performs the same work faster with given set of inputs. there are multiple ...
AzeemSheikh's user avatar
  • 67
3 votes
1 answer
1k views

I have a select query, i would like to run it 50 times in parallel(to load test) ie. 50 independent times(a separate process). if i run like this for (int i=0;i<=49;i++) { //record start time ...
Sharpeye500's user avatar
  • 9,117
-2 votes
4 answers
154 views

I have this code: var userId = Int32.Parse(User.Identity.GetUserId()); using (var context = new IdentityContext()) { roleId = context.Database.SqlQuery<int>("SELECT RoleId FROM ...
Samantha J T Star's user avatar
  • 33.1k
0 votes
2 answers
59 views

I would like to test the time required by certain methods and SQL queries in my code. I've tried doing the following: DateTime start = DateTime.Now; //Do something DateTime end = DateTime.Now; ...
PaulG's user avatar
  • 7,142
2182 votes
20 answers
756k views

How do I find areas of my code that run slowly in a C++ application running on Linux?
Gabriel Isenberg's user avatar
  • 26.4k
743 votes
9 answers
777k views

I have an I/O time-taking method which copies data from a location to another. What's the best and most real way of calculating the execution time? Thread? Timer? Stopwatch? Any other solution? I want ...
Mahdi Tahsildari's user avatar
  • 13.8k
510 votes
6 answers
462k views

Using LINQ on collections, what is the difference between the following lines of code? if(!coll.Any(i => i.Value)) and if(!coll.Exists(i => i.Value)) When I disassemble .Exists, it looks like ...
Anthony D's user avatar
  • 11.3k
148 votes
7 answers
198k views

I want to know how much time a procedure/function/order takes to finish, for testing purposes. This is what I did, but my method is wrong, because if the difference of seconds is 0, it can't return ...
ElektroStudios's user avatar
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79 votes
14 answers
94k views

Is it ever OK to use Environment.TickCount to calculate time spans? int start = Environment.TickCount; // Do stuff int duration = Environment.TickCount - start; Console.WriteLine("That took "...
user avatar
52 votes
18 answers
30k views

I'm doing some real quick and dirty benchmarking on a single line of C# code using DateTime: long lStart = DateTime.Now.Ticks; // do something long lFinish = DateTime.Now.Ticks; The problem is in the ...
Scott Marlowe's user avatar
  • 8,035

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