Out of memory mystery

[Ben Gamari]

Lennart Augustsson <lennart at augustsson.net> writes:

> I'm running the 32-bit Windows version of ghc-7.8.3.
>
> Here are two runs:
>
> $ RunMu +RTS -A64M -h -Sstat.log -i1 -RTS -c Strat.App.Abacus.Main
> Compiling afresh Strat.App.Abacus.Main
> Compiled  afresh Strat.App.Abacus.Main, 1302.84s
>
> $ RunMu +RTS -A64M -Sstat.log -i1 -RTS -c Strat.App.Abacus.Main
> Compiling afresh Strat.App.Abacus.Main
> RunMu.exe: out of memory
>
> The binary is compiled without profiling, but in the first run I'm using
> the -h flag to get the rudimentary heap profile.  And with -h it works, but
> without the flag it runs out of memory.
>
How does the produced profile look? How much memory do you expect this
process to require? Can you get a backtrace of the crash? If you're
lucky it will crash in RTS code, in which case the backtrace may be
informative.

Cheers,

- Ben

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