Auto merge of #139758 - Zoxc:thread-local-graph, r=oli-obk

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Use thread local dep graph encoding

This adds thread local encoding of dep graph nodes. Each thread has a `MemEncoder` that gets flushed to the global `FileEncoder` when it exceeds 64 kB. Each thread also has a local cache of dep indices. This means there can now be empty gaps in `SerializedDepGraph`.

Indices are marked green and also allocated by the new atomic operation `DepNodeColorMap::try_mark_green` as the encoder lock is removed.

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bors 2025-05-07 12:39:54 +00:00

parent e9430af94e a2052e94ac

commit 1e092772a2

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

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