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authorVincent Ambo <mail@tazj.in>2022-12-29T14·08+0300
committertazjin <tazjin@tvl.su>2022-12-29T17·44+0000
commit91465dc78ec7b4a8c9b651657bb8ad5f25c556a7 (patch)
treeaaf6b3f624193de87b583b2cb5b0dcbdac89b4ea /tvix/Cargo.lock
parent610c44ec1ec2eaf58e5c36d7007d6c1922e49804 (diff)
refactor(tvix/eval): persistent, memory-sharing OrdMap for NixAttrs r/5541
This uses the `im::OrdMap` for `NixAttrs` to enable sharing of memory
between different iterations of a map.

This slightly speeds up eval, but not significantly. Future work might
include benchmarking whether using a `HashMap` and only ordering in
cases where order is actually required would help.

This switches to a fork of `im` that fixes some bugs with its OrdMap
implementation.

Change-Id: I2f6a5ff471b6d508c1e8a98b13f889f49c0d9537
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7676
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Diffstat (limited to 'tvix/Cargo.lock')
-rw-r--r--tvix/Cargo.lock37
1 files changed, 16 insertions, 21 deletions
diff --git a/tvix/Cargo.lock b/tvix/Cargo.lock
index a3b91e534f..f2c0e391ca 100644
--- a/tvix/Cargo.lock
+++ b/tvix/Cargo.lock
@@ -185,12 +185,9 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "bitmaps"
-version = "2.1.0"
+version = "3.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "031043d04099746d8db04daf1fa424b2bc8bd69d92b25962dcde24da39ab64a2"
-dependencies = [
- "typenum",
-]
+checksum = "703642b98a00b3b90513279a8ede3fcfa479c126c5fb46e78f3051522f021403"
 
 [[package]]
 name = "blake3"
@@ -829,20 +826,28 @@ dependencies = [
 ]
 
 [[package]]
-name = "im"
-version = "15.1.0"
+name = "imbl"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0acd33ff0285af998aaf9b57342af478078f53492322fafc47450e09397e0e9"
+checksum = "c2806b69cd9f4664844027b64465eacb444c67c1db9c778e341adff0c25cdb0d"
 dependencies = [
  "bitmaps",
+ "imbl-sized-chunks",
  "rand_core 0.6.4",
  "rand_xoshiro",
- "sized-chunks",
- "typenum",
  "version_check",
 ]
 
 [[package]]
+name = "imbl-sized-chunks"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6957ea0b2541c5ca561d3ef4538044af79f8a05a1eb3a3b148936aaceaa1076"
+dependencies = [
+ "bitmaps",
+]
+
+[[package]]
 name = "indexmap"
 version = "1.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1636,16 +1641,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "sized-chunks"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "16d69225bde7a69b235da73377861095455d298f2b970996eec25ddbb42b3d1e"
-dependencies = [
- "bitmaps",
- "typenum",
-]
-
-[[package]]
 name = "slab"
 version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -2083,7 +2078,7 @@ dependencies = [
  "codemap-diagnostic",
  "criterion",
  "dirs",
- "im",
+ "imbl",
  "itertools",
  "path-clean",
  "pretty_assertions",