@parallel does not update shared array object #14664
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omus opened this Issue on Jan 13 · 3 comments
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@omus
@amitmurthy
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@omus
omus commented on Jan 13

Running the following example from the Julia documentation doesn't work on 0.5 (cf3259f) but does on 0.4.2

$ ./julia -p 2

julia> a = SharedArray(Float64,10)
       @parallel for i=1:10
         a[i] = i
       end
       a
10-element SharedArray{Float64,1}:
 0.0
 0.0
 0.0
 0.0
 0.0
 0.0
 0.0
 0.0
 0.0
 0.0

@iamed2 iamed2 referenced this issue on Jan 14
Open
Improve parallel computing documentation #14525
@amitmurthy amitmurthy self-assigned this on Jan 15
@amitmurthy amitmurthy added the parallel label on Jan 15
@amitmurthy amitmurthy removed their assignment on Jan 15
@amitmurthy amitmurthy changed the title from SharedArray example in documentation broken to @parallel does not update shared array object on Jan 15
@amitmurthy
The Julia Language member
amitmurthy commented on Jan 15

@JeffBezanson commit 52deb9f is causing this issue.
@amitmurthy amitmurthy added the regression label on Jan 15
@amitmurthy
The Julia Language member
amitmurthy commented on Jan 29

Works on current master. I am guessing #13412 fixed this?
@amitmurthy amitmurthy closed this on Jan 29
@tkelman
The Julia Language member
tkelman commented on Jan 29

we should add a test case for this
@tkelman tkelman added the needs-tests label on Jan 29
@amitmurthy amitmurthy added a commit that referenced this issue on Jan 30
	@amitmurthy 	Add test for issue #14664 			fc0914e
@amitmurthy amitmurthy referenced this issue on Jan 30
Merged
test update of shared arrays in a @parallel for #14861
@tkelman tkelman removed the needs-tests label on Jan 30
@musm musm pushed a commit that referenced this issue on Mar 8
	@amitmurthy 	Add test for issue #14664