Out of memory mystery

[Lennart Augustsson]

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.

Any bright ideas from the RTS experts on why this could happen?

  -- Lennart
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