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Address review comments about config.toml from rustc-dev-guide PR #76141

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merged 5 commits into from
Sep 10, 2020
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Merged

Address review comments about config.toml from rustc-dev-guide PR #76141

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3b4a346
Fix incorrect wording for `verbose-tests`
jyn514 Aug 31, 2020
d983873
Document the defaults for `codegen-units`
jyn514 Aug 31, 2020
41c1382
Mention why you'd want codegen-units = 0 (other than running out of RAM)
jyn514 Aug 31, 2020
9f268de
Address review comments
jyn514 Aug 31, 2020
ba664c2
Codegen defaults come from rustc, not cargo
jyn514 Sep 1, 2020
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8 changes: 7 additions & 1 deletion config.toml.example
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Original file line number Diff line number Diff line change
Expand Up @@ -306,9 +306,15 @@
#
#debug = false

# This will make your build more parallel; it costs a bit of runtime
# performance perhaps (less inlining) but it's worth it.
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#
# Number of codegen units to use for each compiler invocation. A value of 0
# means "the number of cores on this machine", and 1+ is passed through to the
# compiler.
#
# Defaults: the Cargo defaults, 256 with incremental and 16 without
# https://doc.rust-lang.org/cargo/reference/profiles.html#codegen-units
#codegen-units = 1
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# Sets the number of codegen units to build the standard library with,
Expand Down Expand Up @@ -392,7 +398,7 @@
# desired in distributions, for example.
#rpath = true

# Emits extra output from tests so test failures are debuggable just from logfiles.
# Emits extra output from the tests to debug issues in the test harness itself.
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#verbose-tests = false

# Flag indicating whether tests are compiled with optimizations (the -O flag).
Expand Down