parfor loop: Unexpected failure to indicate all intervals added

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jmgoldba
jmgoldba 2019-11-2
评论： jmgoldba 2021-10-6
New to using parfor. Changed 'for' to 'parfor' and subsequently edited code body to remove all errors/warnings. I run I get:
Error using distcomp.remoteparfor/rebuildParforController (line 217)
Unexpected failure to indicate all intervals added.
Error in distcomp.remoteparfor/handleIntervalErrorResult (line 253)
obj.rebuildParforController();
Error in distcomp.remoteparfor/getCompleteIntervals (line 387)
[r, err] = obj.handleIntervalErrorResult(r);
Error in OutTest_VectorGeneric>Criteria_Evaluate (line 110)
parfor j = 1 : numPix
Little to no idea what the error actually means and what I can do on my side to resolve it.
Thanks, -Jesse
  1 个评论
Edric Ellis
Edric Ellis 2019-11-4
This is an unexpected internal error condition. Does this happen for all parfor loops, or just a specific one? If it happens for all loops, then you might have some sort of installation problem. If it happens for a specific loop, then please could you post a minimal example that demonstrates the problem.

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采纳的回答

jmgoldba
jmgoldba 2019-11-4
TL;DR Solved it. Thanks for getting back.
I'd blown off a runtime warning about "unitialized temporaries". Don't do that. Especially if the warning includes "a runtime error will occur". Got rid of the warning, got rid of the error. I was probably exhausted at the time from correcting all the static errors and warnings after converting to parfor and at runtime decided to punt :)

更多回答（1 个）

Susan Ding
Susan Ding 2021-10-5
Might you explain briefly how to solve it? Thanks.
  1 个评论
jmgoldba
jmgoldba 2021-10-6
This is going on a couple years and I don't recall the specific instance. The short story is the runtime error was solved by getting rid of the warning. I don't recall specifically what the solution was to get rid of the warning though it was likely unique to my particular implementation. -Jesse

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