Thanks Amit! In the GitHub issue that you posted I'll add a link to back to this thread.
On Wednesday, April 29, 2015 at 10:40:54 PM UTC-5, Amit Murthy wrote: > > Simpler case. > > julia> function test2() > @async x=1 > x = 2 > end > > test2 (generic function with 1 method) > > > julia> test2() > > ERROR: UndefVarError: x not defined > > in test2 at none:2 > > > Issue created : https://github.com/JuliaLang/julia/issues/11062 > > > On Thu, Apr 30, 2015 at 8:55 AM, Amit Murthy <[email protected] > <javascript:>> wrote: > >> Yes, this looks like a bug. In fact the below causes an error: >> >> function test2() >> ref = @spawnat workers()[1] begin >> x=1 >> end; >> x=2 >> end >> >> Can you open an issue on github? >> >> >> On Thu, Apr 30, 2015 at 7:07 AM, Sam Kaplan <[email protected] >> <javascript:>> wrote: >> >>> Hello, >>> >>> I have the following code example: >>> addprocs(1) >>> >>> function test1() >>> ref = @spawnat workers()[1] begin >>> x = 1 >>> end >>> y = fetch(ref) >>> @show y >>> end >>> >>> function test2() >>> ref = @spawnat workers()[1] begin >>> x = 1 >>> end >>> x = fetch(ref) >>> @show x >>> end >>> >>> function main() >>> test1() >>> test2() >>> end >>> >>> main() >>> >>> giving the following output: >>> y => 1 >>> ERROR: x not defined >>> in test2 at /tmp/test.jl:12 >>> in main at /tmp/test.jl:21 >>> in include at /usr/bin/../lib64/julia/sys.so >>> in include_from_node1 at ./loading.jl:128 >>> in process_options at /usr/bin/../lib64/julia/sys.so >>> in _start at /usr/bin/../lib64/julia/sys.so >>> while loading /tmp/test.jl, in expression starting on line 24 >>> >>> >>> Is this a valid error in the code or a bug in Julia? The error seems to >>> be caused when the variable that is local to the `@spawnat` block has its >>> name mirrored by the variable being assigned to by the `fetch` call. >>> >>> For reference, I am running version 0.3.6: >>> _ >>> _ _ _(_)_ | A fresh approach to technical computing >>> (_) | (_) (_) | Documentation: http://docs.julialang.org >>> _ _ _| |_ __ _ | Type "help()" for help. >>> | | | | | | |/ _` | | >>> | | |_| | | | (_| | | Version 0.3.6 >>> _/ |\__'_|_|_|\__'_| | >>> |__/ | x86_64-redhat-linux >>> >>> >>> Thanks! >>> >>> Sam >>> >> >> >
