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rust-regex: increase the DFA size limit for the `regex` crate...
rust-regex: increase the DFA size limit for the `regex` crate `re2`'s DFA limit is already increased in `rust/hg-core/src/re2/rust_re2.cpp`, the same has to be done for the `regex` crate. Big repositories with big `.hgignore`s will sometimes hit this limit and face extreme performance regressions (I've seen one take *minutes* for `hg status`). Differential Revision: https://phab.mercurial-scm.org/D8499
Raphaël Gomès -
r45286:b15a37d8 stable
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/ mercurial / thirdparty / cbor
cbor2
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This library provides encoding and decoding for the Concise Binary Object Representation (CBOR) (RFC 7049) serialization format.

There exists another Python CBOR implementation (cbor) which is faster on CPython due to its C extensions. On PyPy, cbor2 and cbor are almost identical in performance. The other implementation also lacks documentation and a comprehensive test suite, does not support most standard extension tags and is known to crash (segfault) when passed a cyclic structure (say, a list containing itself).