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Update -Ccodegen-units docs wrt incr. comp. in rustc book.

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Michael Woerister 2020-04-01 14:47:41 +02:00
parent 408e6e3dbd
commit 98ead3e636
1 changed files with 2 additions and 3 deletions
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src/doc/rustc/src/codegen-options/index.md
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@ -257,9 +257,8 @@ them in parallel. Increasing parallelism may speed up compile times, but may
also produce slower code. Setting this to 1 may improve the performance of
generated code, but may be slower to compile.
The default, if not specified, is 16. This flag is ignored if
[incremental](#incremental) is enabled, in which case an internal heuristic is
used to split the crate.
The default, if not specified, is 16 for non-incremental builds. For
incremental builds the default is 256 which allows caching to be more granular.
## remark