check-meta: don't execute check-meta.nix 15,000 times (backport) #59336
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Generated from NixOS/nix#2761: ``` ns calls ns/call - /home/grahamc/projects/github.com/NixOS/nixpkgs/pkgs/stdenv/generic/check-meta.nix:22:5 591200 15026 39.3451 + /home/grahamc/projects/github.com/NixOS/nixpkgs/pkgs/stdenv/generic/check-meta.nix:22:5 8744 308 28.3896 ``` more, generated by: ``` $ NIX_SHOW_STATS=1 NIX_COUNT_CALLS=1 nix-instantiate ./pkgs/top-level/release.nix -A unstable > before 2>&1 $ jq -r '.functions | map((.name + ":" + .file + ":" + (.line|tostring) + ":" + (.column|tostring) + " " + (.count|tostring))) | .[]' before | sort > before.list ``` applying this patch, then: ``` $ NIX_SHOW_STATS=1 NIX_COUNT_CALLS=1 nix-instantiate ./pkgs/top-level/release.nix -A unstable > after 2>&1 $ jq -r '.functions | map((.name + ":" + .file + ":" + (.line|tostring) + ":" + (.column|tostring) + " " + (.count|tostring))) | .[]' after | sort > after.list ``` and then diffing before.list and after.list to get: ``` calls - :/home/grahamc/projects/github.com/NixOS/nixpkgs/pkgs/stdenv/generic/check-meta.nix:4:1 7513 + :/home/grahamc/projects/github.com/NixOS/nixpkgs/pkgs/stdenv/generic/check-meta.nix:4:1 154 - mutuallyExclusive:/home/grahamc/projects/github.com/NixOS/nixpkgs/lib/lists.nix:658:23 7513 + mutuallyExclusive:/home/grahamc/projects/github.com/NixOS/nixpkgs/lib/lists.nix:658:23 154 - mutuallyExclusive:/home/grahamc/projects/github.com/NixOS/nixpkgs/lib/lists.nix:658:26 7513 + mutuallyExclusive:/home/grahamc/projects/github.com/NixOS/nixpkgs/lib/lists.nix:658:26 154 - onlyLicenses:/home/grahamc/projects/github.com/NixOS/nixpkgs/pkgs/stdenv/generic/check-meta.nix:21:18 15026 + onlyLicenses:/home/grahamc/projects/github.com/NixOS/nixpkgs/pkgs/stdenv/generic/check-meta.nix:21:18 308 ``` The following information is from `NIX_SHOW_STATS=1 GC_INITIAL_HEAP_SIZE=4g nix-env -f ./outpaths.nix -qaP --no-name --out-path --arg checkMeta true`: | stat | before | after | Δ | Δ% | |:---------------------------|---------------:|---------------:|:----------------|--------:| | **cpuTime** | 179.915 | 145.543 | 🡖 34.372 | -19.10% | | **envs-bytes** | 3,900,878,824 | 3,599,483,208 | 🡖 301,395,616 | -7.73% | | **envs-elements** | 214,426,071 | 185,881,709 | 🡖 28,544,362 | -13.31% | | **envs-number** | 136,591,891 | 132,026,846 | 🡖 4,565,045 | -3.34% | | **gc-heapSize** | 11,400,048,640 | 12,314,890,240 | 🡕 914,841,600 | 8.02% | | **gc-totalBytes** | 25,976,902,560 | 24,510,740,176 | 🡖 1,466,162,384 | -5.64% | | **list-bytes** | 1,665,290,080 | 1,665,290,080 | 0 | | | **list-concats** | 7,264,417 | 7,264,417 | 0 | | | **list-elements** | 208,161,260 | 208,161,260 | 0 | | | **nrAvoided** | 191,359,386 | 179,693,661 | 🡖 11,665,725 | -6.10% | | **nrFunctionCalls** | 119,665,062 | 116,348,547 | 🡖 3,316,515 | -2.77% | | **nrLookups** | 80,996,257 | 76,069,825 | 🡖 4,926,432 | -6.08% | | **nrOpUpdateValuesCopied** | 213,930,649 | 213,930,649 | 0 | | | **nrOpUpdates** | 12,025,937 | 12,025,937 | 0 | | | **nrPrimOpCalls** | 88,105,604 | 86,451,598 | 🡖 1,654,006 | -1.88% | | **nrThunks** | 196,842,044 | 175,126,701 | 🡖 21,715,343 | -11.03% | | **sets-bytes** | 7,678,425,776 | 7,285,767,928 | 🡖 392,657,848 | -5.11% | | **sets-elements** | 310,241,340 | 294,373,227 | 🡖 15,868,113 | -5.11% | | **sets-number** | 29,079,202 | 27,601,310 | 🡖 1,477,892 | -5.08% | | **sizes-Attr** | 24 | 24 | 0 | | | **sizes-Bindings** | 8 | 8 | 0 | | | **sizes-Env** | 16 | 16 | 0 | | | **sizes-Value** | 24 | 24 | 0 | | | **symbols-bytes** | 16,474,666 | 16,474,676 | 🡕 10 | 0.00% | | **symbols-number** | 376,426 | 376,427 | 🡕 1 | 0.00% | | **values-bytes** | 6,856,506,288 | 6,316,585,560 | 🡖 539,920,728 | -7.87% | | **values-number** | 285,687,762 | 263,191,065 | 🡖 22,496,697 | -7.87% | The following information is from `NIX_SHOW_STATS=1 GC_INITIAL_HEAP_SIZE=4g nix-instantiate ./nixos/release-combined.nix -A tested`: | stat | before | after | Δ | Δ% | |:---------------------------|---------------:|---------------:|:----------------|-------:| | **cpuTime** | 256.071 | 237.531 | 🡖 18.54 | -7.24% | | **envs-bytes** | 7,111,004,192 | 7,041,478,520 | 🡖 69,525,672 | -0.98% | | **envs-elements** | 346,236,940 | 339,588,487 | 🡖 6,648,453 | -1.92% | | **envs-number** | 271,319,292 | 270,298,164 | 🡖 1,021,128 | -0.38% | | **gc-heapSize** | 8,995,291,136 | 10,110,009,344 | 🡕 1,114,718,208 | 12.39% | | **gc-totalBytes** | 37,172,737,408 | 36,878,391,888 | 🡖 294,345,520 | -0.79% | | **list-bytes** | 1,886,162,656 | 1,886,163,472 | 🡕 816 | 0.00% | | **list-concats** | 6,898,114 | 6,898,114 | 0 | | | **list-elements** | 235,770,332 | 235,770,434 | 🡕 102 | 0.00% | | **nrAvoided** | 328,829,821 | 326,618,157 | 🡖 2,211,664 | -0.67% | | **nrFunctionCalls** | 240,850,845 | 239,998,495 | 🡖 852,350 | -0.35% | | **nrLookups** | 144,849,632 | 142,126,339 | 🡖 2,723,293 | -1.88% | | **nrOpUpdateValuesCopied** | 251,032,504 | 251,032,504 | 0 | | | **nrOpUpdates** | 17,903,110 | 17,903,110 | 0 | | | **nrPrimOpCalls** | 140,674,913 | 139,485,975 | 🡖 1,188,938 | -0.85% | | **nrThunks** | 294,643,131 | 288,678,022 | 🡖 5,965,109 | -2.02% | | **sets-bytes** | 9,464,322,192 | 9,456,172,048 | 🡖 8,150,144 | -0.09% | | **sets-elements** | 377,474,889 | 377,134,877 | 🡖 340,012 | -0.09% | | **sets-number** | 50,615,607 | 50,616,875 | 🡕 1,268 | 0.00% | | **sizes-Attr** | 24 | 24 | 0 | | | **sizes-Bindings** | 8 | 8 | 0 | | | **sizes-Env** | 16 | 16 | 0 | | | **sizes-Value** | 24 | 24 | 0 | | | **symbols-bytes** | 3,147,102 | 3,147,064 | 🡖 38 | -0.00% | | **symbols-number** | 82,819 | 82,819 | 0 | | | **values-bytes** | 11,147,448,768 | 10,996,111,512 | 🡖 151,337,256 | -1.36% | | **values-number** | 464,477,032 | 458,171,313 | 🡖 6,305,719 | -1.36% | (cherry picked from commit 817c933)
GrahamcOfBorg
added
6.topic: stdenv
-:/home/craig/nixpkgs/pkgs/stdenv/generic/check-meta.nix:4:1 7545
+:/home/craig/nixpkgs/pkgs/stdenv/generic/check-meta.nix:4:1 154
...
-mutuallyExclusive:/home/craig/nixpkgs/lib/lists.nix:658:23 7545
-mutuallyExclusive:/home/craig/nixpkgs/lib/lists.nix:658:26 7545
+mutuallyExclusive:/home/craig/nixpkgs/lib/lists.nix:658:23 154
+mutuallyExclusive:/home/craig/nixpkgs/lib/lists.nix:658:26 154
...
-onlyLicenses:/home/craig/nixpkgs/pkgs/stdenv/generic/check-meta.nix:21:18 15090
+onlyLicenses:/home/craig/nixpkgs/pkgs/stdenv/generic/check-meta.nix:21:18 308- "cpuTime": 4.73095,
+ "cpuTime": 4.55491,
...
"primops": {
- "scopedImport": 12214,
+ "scopedImport": 4823,LGTM. Any reason not to merge? @Ericson2314 @matthewbauer |
|
@grahamc looks like you should go ahead, the previous merge wasn't controversial |
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Generated from NixOS/nix#2761:
more, generated by:
applying this patch, then:
and then diffing before.list and after.list to get:
The following information is from
NIX_SHOW_STATS=1 GC_INITIAL_HEAP_SIZE=4g nix-env -f ./outpaths.nix -qaP --no-name --out-path --arg checkMeta true:The following information is from
NIX_SHOW_STATS=1 GC_INITIAL_HEAP_SIZE=4g nix-instantiate ./nixos/release-combined.nix -A tested:(cherry picked from commit 817c933)
Motivation for this change
Things done
sandboxinnix.confon non-NixOS)nix-shell -p nix-review --run "nix-review wip"./result/bin/)nix path-info -Sbefore and after)