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AnswerRe: Performance of Switch case vs dictionary with delegates Pin
trønderen29-Apr-24 5:53
trønderen29-Apr-24 5:53 
AnswerRe: Performance of Switch case vs dictionary with delegates Pin
jschell29-Apr-24 14:43
jschell29-Apr-24 14:43 
AnswerRe: Performance of Switch case vs dictionary with delegates Pin
Rob Philpott29-Apr-24 22:45
Rob Philpott29-Apr-24 22:45 
GeneralRe: Performance of Switch case vs dictionary with delegates Pin
Jörgen Andersson29-Apr-24 23:19
professionalJörgen Andersson29-Apr-24 23:19 
GeneralRe: Performance of Switch case vs dictionary with delegates Pin
Richard Deeming30-Apr-24 0:12
mveRichard Deeming30-Apr-24 0:12 
GeneralRe: Performance of Switch case vs dictionary with delegates Pin
Rob Philpott30-Apr-24 0:22
Rob Philpott30-Apr-24 0:22 
GeneralRe: Performance of Switch case vs dictionary with delegates Pin
Jörgen Andersson30-Apr-24 2:15
professionalJörgen Andersson30-Apr-24 2:15 
GeneralRe: Performance of Switch case vs dictionary with delegates Pin
Rob Philpott30-Apr-24 0:17
Rob Philpott30-Apr-24 0:17 
Ah ok, so is it that you've got these large files to process and you're trying to optimise the switching (state changes) for speed? Which approach are you using at the moment (switch vs. array lookup/not dictionary, sorry just read your update)?

I suppose another difference is that switch statements are compile timed things, turned into code, whereas dictionaries are created and used at runtime. Does this mean the switch/state change logic is fixed in advance?

I think the only well to tell really is try both methods and see which is quicker (if noticeably so). What I would say is I'd expect them both to be fast, so is this really the bottleneck to performance gains, or could something else be optimised? Multithreading/pipelining etc. TPL Dataflow (if you're in .NET) is good for this.
Regards,
Rob Philpott.

GeneralRe: Performance of Switch case vs dictionary with delegates Pin
Jörgen Andersson30-Apr-24 3:14
professionalJörgen Andersson30-Apr-24 3:14 
GeneralRe: Performance of Switch case vs dictionary with delegates Pin
Jörgen Andersson30-Apr-24 4:22
professionalJörgen Andersson30-Apr-24 4:22 
GeneralRe: Performance of Switch case vs dictionary with delegates Pin
Rob Philpott30-Apr-24 4:27
Rob Philpott30-Apr-24 4:27 
GeneralRe: Performance of Switch case vs dictionary with delegates Pin
jschell30-Apr-24 12:17
jschell30-Apr-24 12:17 
GeneralRe: Performance of Switch case vs dictionary with delegates Pin
Jörgen Andersson1-May-24 8:21
professionalJörgen Andersson1-May-24 8:21 
GeneralRe: Performance of Switch case vs dictionary with delegates Pin
Jörgen Andersson1-May-24 8:49
professionalJörgen Andersson1-May-24 8:49 
GeneralRe: Performance of Switch case vs dictionary with delegates Pin
Richard Deeming1-May-24 21:47
mveRichard Deeming1-May-24 21:47 
GeneralRe: Performance of Switch case vs dictionary with delegates Pin
trønderen2-May-24 6:50
trønderen2-May-24 6:50 
GeneralRe: Performance of Switch case vs dictionary with delegates Pin
Richard Deeming2-May-24 21:39
mveRichard Deeming2-May-24 21:39 
GeneralRe: Performance of Switch case vs dictionary with delegates Pin
Rob Philpott2-May-24 23:57
Rob Philpott2-May-24 23:57 
GeneralRe: Performance of Switch case vs dictionary with delegates Pin
Richard Deeming3-May-24 0:39
mveRichard Deeming3-May-24 0:39 
GeneralRe: Performance of Switch case vs dictionary with delegates Pin
trønderen3-May-24 3:36
trønderen3-May-24 3:36 
GeneralRe: Performance of Switch case vs dictionary with delegates Pin
trønderen3-May-24 3:34
trønderen3-May-24 3:34 
Question3D графика Pin
Member 1381389024-Apr-24 19:16
professionalMember 1381389024-Apr-24 19:16 
GeneralRe: 3D графика Pin
Ralf Meier24-Apr-24 20:55
mveRalf Meier24-Apr-24 20:55 
AnswerRe: 3D графика Pin
Pete O'Hanlon24-Apr-24 20:58
mvePete O'Hanlon24-Apr-24 20:58 
GeneralRe: 3D графика Pin
Richard Deeming30-Apr-24 0:01
mveRichard Deeming30-Apr-24 0:01 

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