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Do not call rand during sysimage precompilation #56227

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Merged
merged 2 commits into from
Oct 18, 2024
Merged

Do not call rand during sysimage precompilation #56227

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3a5393c
Do not call `rand` during sysimage precompilation
Oct 18, 2024
fcd1f96
Update contrib/generate_precompile.jl
giordano Oct 18, 2024
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9 changes: 5 additions & 4 deletions contrib/generate_precompile.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -183,10 +183,11 @@ for match = Base._methods(+, (Int, Int), -1, Base.get_world_counter())
# interactive startup uses this
write(IOBuffer(), "")

# not critical, but helps hide unrelated compilation from @time when using --trace-compile
foo() = rand(2,2) * rand(2,2)
@time foo()
@time foo()
# Not critical, but helps hide unrelated compilation from @time when using --trace-compile.
# Do not call `rand` which can cause bad caching on some platforms: #56177.
f55729() = ones(2, 2) * ones(2, 2)
@time f55729()
@time f55729()

break # only actually need to do this once
end
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