Strange Out of memory when using Bigarray #7670
Comments
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Comment author: @yallop This appears to be the same issue as PR7100. |
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Comment author: @alainfrisch Observation: all bigarray descriptors are allocated in the minor heap and the major GC does not trigger before we reach the OOM. |
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Comment author: @alainfrisch Reducing to CAML_BA_MAX_MEMORY = 256 Mb instead of 1 Gb does not fix the problem. |
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Comment author: @sbriais Note: It works if we set minor_heap_size to a small value. |
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Comment author: @alainfrisch Thanks Jeremy. Will continue discussion on 7100. |
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Original bug ID: 7670
Reporter: @sbriais
Assigned to: @alainfrisch
Status: resolved (set by @alainfrisch on 2017-11-13T14:02:24Z)
Resolution: duplicate
Priority: normal
Severity: minor
Platform: Windows 32 bits
Category: runtime system and C interface
Duplicate of: #7100
Bug description
I made a small reproduction case.
It allocates indefinitely a vector of floats of size 10000 (and throw the array immediately).
On trunk (c5fe693), I get an Out of memory.
I use Ocaml on Windows 32 bits, compiled with MSVC.
Here is the source code:
let main () =
while true do
ignore Bigarray.(Array1.create float64 c_layout 10000)
done
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