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feat(users/edef/weave): use FxHashSet and dedupe early

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Deduping early saves a fair bit of memory, but the extra hashing is
costly.

We switch to FxHash, since we don't need a DoS-proof hash, but we do
need it to be *fast*.

Change-Id: Ic6b7010874c417862baa9b882593208c8dd1d5e6
Reviewed-on: https://cl.tvl.fyi/c/depot/+/12648
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
This commit is contained in:
edef 2024-10-19 13:58:53 +00:00
parent 06d2536eec
commit 201d8f0cf2
4 changed files with 33 additions and 4 deletions
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19
users/edef/weave/Cargo.nix
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@ -5446,6 +5446,21 @@ rec {
"rustc-dep-of-std" = [ "core" "compiler_builtins" ];
};
};
"rustc-hash" = rec {
crateName = "rustc-hash";
version = "2.0.0";
edition = "2021";
sha256 = "0lni0lf846bzrf3jvci6jaf4142n1mdqxvcpczk5ch9pfgyk8c2q";
libName = "rustc_hash";
authors = [
"The Rust Project Developers"
];
features = {
"default" = [ "std" ];
"rand" = [ "dep:rand" "std" ];
};
resolvedDefaultFeatures = [ "default" "std" ];
};
"rustc_version" = rec {
crateName = "rustc_version";
version = "0.4.1";
@ -6766,6 +6781,10 @@ rec {
name = "rayon";
packageId = "rayon";
}
{
name = "rustc-hash";
packageId = "rustc-hash";
}
{
name = "safer_owning_ref";
packageId = "safer_owning_ref";