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Compile time regression with _large_ number of slices #48009

Open
CAD97 opened this issue Feb 5, 2018 · 2 comments
Open

Compile time regression with _large_ number of slices #48009

CAD97 opened this issue Feb 5, 2018 · 2 comments
Labels
C-enhancement Category: An issue proposing an enhancement or a PR with one. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. I-compiletime Issue: Problems and improvements with respect to compile times. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@CAD97
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CAD97 commented Feb 5, 2018

cc open-i18n/rust-unic#199

The simplest way to show this is to use unic_ucd_name 0.6.0, which has two huge files for the Unicode code point Name property, name_map.rsv (1.56 MB of ('character', &[PARTS, OF, ITS, NAME]),) and name_values.rsd (444 KB of const NAME_BIT: &str = "NAME_BIT";). The purpose is to generate a large binary-search slice from characters to their name while deduplicating very common name fragments like LETTER.

With this small main.rs

extern crate unic_ucd_name;

fn main() {
    let name = unic_ucd_name::Name::of('A').unwrap();
    println!("{}", name);
}

and a non-existent target folder, I get the following compile times:

D:\Christopher\Documents\Code\Rust\playground>rustup update
info: syncing channel updates for 'stable-x86_64-pc-windows-msvc'
info: syncing channel updates for 'beta-x86_64-pc-windows-msvc'
info: syncing channel updates for 'nightly-x86_64-pc-windows-msvc'
info: checking for self-updates

   stable-x86_64-pc-windows-msvc unchanged - rustc 1.23.0 (766bd11c8 2018-01-01)
     beta-x86_64-pc-windows-msvc unchanged - rustc 1.24.0-beta.11 (03f456d3c 2018-02-03)
  nightly-x86_64-pc-windows-msvc unchanged - rustc 1.25.0-nightly (0c6091fbd 2018-02-04)

D:\Christopher\Documents\Code\Rust\playground>cargo +beta build
   Compiling unic-ucd-core v0.6.0
   Compiling unic-char-range v0.6.0
   Compiling unic-utils v0.6.0
   Compiling unic-ucd-name v0.6.0
   Compiling playground v0.0.0 (file:///D:/Christopher/Documents/Code/Rust/playground)
    Finished dev [unoptimized + debuginfo] target(s) in 18.23 secs

D:\Christopher\Documents\Code\Rust\playground>cargo +nightly build
   Compiling unic-char-range v0.6.0
   Compiling unic-ucd-core v0.6.0
   Compiling unic-utils v0.6.0
   Compiling unic-ucd-name v0.6.0
   Compiling playground v0.0.0 (file:///D:/Christopher/Documents/Code/Rust/playground)
    Finished dev [unoptimized + debuginfo] target(s) in 139.35 secs
time-passes for unic_ucd_name 
D:\Christopher\Documents\Code\Rust\rust-unic\unic\ucd\name>cargo +nightly rustc -- -Z time-passes
   Compiling unic-char-range v0.6.0 (file:///D:/Christopher/Documents/Code/Rust/rust-unic/unic/char/range)
   Compiling unic-ucd-core v0.6.0 (file:///D:/Christopher/Documents/Code/Rust/rust-unic/unic/ucd/core)
   Compiling unic-utils v0.6.0 (file:///D:/Christopher/Documents/Code/Rust/rust-unic/unic/utils)
   Compiling unic-ucd-name v0.6.0 (file:///D:/Christopher/Documents/Code/Rust/rust-unic/unic/ucd/name)
  time: 0.009; rss: 17MB        parsing
  time: 0.000; rss: 18MB        recursion limit
  time: 0.000; rss: 18MB        crate injection
  time: 0.000; rss: 18MB        plugin loading
  time: 0.000; rss: 18MB        background load prev dep-graph
  time: 0.000; rss: 18MB        plugin registration
  time: 0.654; rss: 105MB       expansion
  time: 0.000; rss: 105MB       maybe building test harness
  time: 0.010; rss: 105MB       maybe creating a macro crate
  time: 0.032; rss: 105MB       creating allocators
  time: 0.010; rss: 105MB       AST validation
  time: 0.122; rss: 122MB       name resolution
  time: 0.027; rss: 122MB       complete gated feature checking
  time: 0.000; rss: 122MB       blocked while dep-graph loading finishes
  time: 0.145; rss: 170MB       lowering ast -> hir
  time: 0.056; rss: 170MB       early lint checks
  time: 0.178; rss: 179MB       indexing hir
  time: 0.000; rss: 122MB       load query result cache
  time: 0.000; rss: 122MB       looking for entry point
  time: 0.000; rss: 122MB       looking for plugin registrar
  time: 0.011; rss: 122MB       loop checking
  time: 0.040; rss: 122MB       static item recursion checking
  time: 0.041; rss: 135MB       attribute checking
  time: 0.063; rss: 144MB       stability checking
  time: 0.293; rss: 202MB       type collecting
  time: 0.002; rss: 202MB       outlives testing
  time: 0.000; rss: 202MB       impl wf inference
  time: 0.047; rss: 220MB       coherence checking
  time: 0.002; rss: 220MB       variance testing
  time: 0.248; rss: 261MB       wf checking
  time: 4.396; rss: 337MB       item-types checking
  time: 0.032; rss: 341MB       item-bodies checking
  time: 126.260; rss: 550MB     const checking          # !!!!!!!!!!
  time: 0.183; rss: 551MB       privacy checking
  time: 0.025; rss: 551MB       intrinsic checking
  time: 0.046; rss: 552MB       match checking
  time: 0.011; rss: 552MB       liveness checking
  time: 0.554; rss: 561MB       borrow checking
  time: 0.026; rss: 564MB       MIR borrow checking
  time: 0.008; rss: 564MB       MIR effect checking
  time: 0.049; rss: 565MB       death checking
  time: 0.000; rss: 565MB       unused lib feature checking
  time: 0.166; rss: 565MB       lint checking
  time: 0.000; rss: 565MB       resolving dependency formats
    time: 1.136; rss: 615MB     write metadata
    time: 0.108; rss: 618MB     translation item collection
    time: 0.002; rss: 618MB     codegen unit partitioning
    time: 0.001; rss: 635MB     llvm function passes [49a7n47po4ttqjl7]
    time: 0.001; rss: 635MB     llvm module passes [49a7n47po4ttqjl7]
    time: 0.000; rss: 636MB     llvm function passes [3ayaeypdcro9d6yk]
    time: 0.000; rss: 636MB     llvm module passes [3ayaeypdcro9d6yk]
    time: 0.000; rss: 636MB     llvm function passes [3kfx4ynvkmi2y9i5]
    time: 0.000; rss: 636MB     llvm module passes [3kfx4ynvkmi2y9i5]
    time: 0.000; rss: 636MB     llvm function passes [45nf4z58qqykpcpi]
    time: 0.000; rss: 636MB     llvm module passes [45nf4z58qqykpcpi]
    time: 0.000; rss: 637MB     llvm function passes [kt25z0521ngsjub]
    time: 0.000; rss: 637MB     llvm module passes [kt25z0521ngsjub]
    time: 0.000; rss: 639MB     llvm function passes [2ny9ynlpevlhfa8x]
    time: 0.000; rss: 640MB     llvm module passes [2ny9ynlpevlhfa8x]
    time: 0.001; rss: 642MB     llvm function passes [1im38lueib99jsk0]
    time: 0.000; rss: 644MB     llvm module passes [1im38lueib99jsk0]
    time: 0.019; rss: 654MB     codegen passes [3kfx4ynvkmi2y9i5]
    time: 0.024; rss: 656MB     codegen passes [3ayaeypdcro9d6yk]
    time: 0.014; rss: 657MB     codegen passes [45nf4z58qqykpcpi]
    time: 0.016; rss: 658MB     codegen passes [kt25z0521ngsjub]
    time: 0.001; rss: 658MB     llvm function passes [2lyh15q6cjwzy18c]
    time: 0.000; rss: 659MB     llvm module passes [2lyh15q6cjwzy18c]
    time: 0.015; rss: 659MB     codegen passes [2ny9ynlpevlhfa8x]
    time: 0.036; rss: 659MB     codegen passes [49a7n47po4ttqjl7]
    time: 0.012; rss: 659MB     codegen passes [1im38lueib99jsk0]
    time: 0.010; rss: 659MB     codegen passes [2lyh15q6cjwzy18c]
    time: 0.000; rss: 677MB     llvm function passes [4ypvbwho0bu5tnww]
    time: 0.000; rss: 677MB     llvm module passes [4ypvbwho0bu5tnww]
    time: 0.000; rss: 677MB     llvm function passes [43v6g0y2xsxoggnt]
    time: 0.000; rss: 678MB     llvm function passes [9elsx31vb4it187]
    time: 0.000; rss: 678MB     llvm function passes [16u6js6g0l3k1ic6]
    time: 0.000; rss: 678MB     llvm module passes [43v6g0y2xsxoggnt]
    time: 0.000; rss: 678MB     llvm function passes [3e8c0xfx7ikmlnfk]
    time: 0.000; rss: 678MB     llvm module passes [9elsx31vb4it187]
    time: 0.000; rss: 680MB     llvm function passes [9fcb3syd3ne5k0n]
    time: 0.000; rss: 679MB     llvm module passes [16u6js6g0l3k1ic6]
    time: 0.000; rss: 679MB     llvm function passes [8xzrsc1ux72v29j]
    time: 0.000; rss: 679MB     llvm module passes [3e8c0xfx7ikmlnfk]
    time: 0.000; rss: 679MB     llvm module passes [9fcb3syd3ne5k0n]
    time: 0.000; rss: 679MB     llvm module passes [8xzrsc1ux72v29j]
    time: 0.017; rss: 679MB     codegen passes [4ypvbwho0bu5tnww]
    time: 0.013; rss: 679MB     codegen passes [9elsx31vb4it187]
    time: 0.018; rss: 679MB     codegen passes [43v6g0y2xsxoggnt]
    time: 0.000; rss: 679MB     llvm function passes [c6lbtaiefvx3wya]
    time: 0.016; rss: 679MB     codegen passes [16u6js6g0l3k1ic6]
    time: 0.000; rss: 679MB     llvm module passes [c6lbtaiefvx3wya]
    time: 0.000; rss: 679MB     llvm function passes [2kjrmm4fe2aha78f]
    time: 0.000; rss: 679MB     llvm function passes [4ezmh1vbs95c5ack]
    time: 0.013; rss: 679MB     codegen passes [9fcb3syd3ne5k0n]
    time: 0.000; rss: 679MB     llvm module passes [2kjrmm4fe2aha78f]
    time: 0.000; rss: 679MB     llvm function passes [2jqywn86b2gsqohu]
    time: 0.000; rss: 679MB     llvm module passes [4ezmh1vbs95c5ack]
    time: 0.015; rss: 679MB     codegen passes [3e8c0xfx7ikmlnfk]
    time: 0.000; rss: 679MB     llvm function passes [4yh8x2b62dcih00t]
    time: 0.000; rss: 681MB     llvm module passes [4yh8x2b62dcih00t]
    time: 0.017; rss: 681MB     codegen passes [8xzrsc1ux72v29j]
    time: 0.000; rss: 679MB     llvm module passes [2jqywn86b2gsqohu]
    time: 0.000; rss: 681MB     llvm function passes [1mvmz58owquyropc]
    time: 0.074; rss: 681MB     llvm function passes [2iv7jmandrgcbb7e]
    time: 0.000; rss: 681MB     llvm module passes [1mvmz58owquyropc]
    time: 0.000; rss: 681MB     llvm function passes [4xq48u46a1pwiqn7]
    time: 0.013; rss: 681MB     codegen passes [c6lbtaiefvx3wya]
    time: 0.000; rss: 681MB     llvm module passes [2iv7jmandrgcbb7e]
    time: 0.000; rss: 681MB     llvm module passes [4xq48u46a1pwiqn7]
    time: 0.000; rss: 677MB     llvm function passes [48721dc4k5qxei0u]
    time: 0.015; rss: 677MB     codegen passes [2kjrmm4fe2aha78f]
    time: 0.000; rss: 677MB     llvm module passes [48721dc4k5qxei0u]
    time: 0.000; rss: 677MB     llvm function passes [98g0d9x8aw3akpe]
    time: 0.000; rss: 677MB     llvm module passes [98g0d9x8aw3akpe]
    time: 0.022; rss: 677MB     codegen passes [4ezmh1vbs95c5ack]
    time: 0.023; rss: 677MB     codegen passes [4yh8x2b62dcih00t]
    time: 0.000; rss: 677MB     llvm function passes [2f0hry2t7c05ttdi]
    time: 0.000; rss: 677MB     llvm module passes [2f0hry2t7c05ttdi]
    time: 0.000; rss: 678MB     llvm function passes [1dqvxks6k2bzkxe]
    time: 0.018; rss: 678MB     codegen passes [1mvmz58owquyropc]
    time: 0.000; rss: 678MB     llvm module passes [1dqvxks6k2bzkxe]
    time: 0.019; rss: 678MB     codegen passes [2jqywn86b2gsqohu]
    time: 0.000; rss: 678MB     llvm function passes [23tqyymcb18u96mb]
    time: 0.000; rss: 678MB     llvm module passes [23tqyymcb18u96mb]
    time: 0.000; rss: 678MB     llvm function passes [4jdnq7xfjeka1bt]
    time: 0.000; rss: 678MB     llvm module passes [4jdnq7xfjeka1bt]
    time: 0.029; rss: 678MB     codegen passes [4xq48u46a1pwiqn7]
    time: 0.000; rss: 679MB     llvm function passes [1y16o1qfye96o7m0]
    time: 0.000; rss: 679MB     llvm module passes [1y16o1qfye96o7m0]
    time: 0.014; rss: 679MB     codegen passes [48721dc4k5qxei0u]
    time: 0.705; rss: 679MB     translate to LLVM IR
    time: 0.000; rss: 679MB     assert dep graph
    time: 0.000; rss: 679MB     llvm function passes [v6ozwtpojmqfurc]
    time: 0.000; rss: 679MB     llvm module passes [v6ozwtpojmqfurc]
    time: 0.012; rss: 679MB     codegen passes [98g0d9x8aw3akpe]
    time: 0.000; rss: 679MB     llvm function passes [524bze3gcv99ucga]
    time: 0.000; rss: 679MB     llvm module passes [524bze3gcv99ucga]
    time: 0.012; rss: 680MB     codegen passes [2f0hry2t7c05ttdi]
    time: 0.000; rss: 680MB     llvm function passes [2r82puffnvvb8iic]
    time: 0.000; rss: 680MB     llvm module passes [2r82puffnvvb8iic]
    time: 0.014; rss: 681MB     codegen passes [1dqvxks6k2bzkxe]
    time: 0.013; rss: 681MB     codegen passes [4jdnq7xfjeka1bt]
    time: 0.014; rss: 681MB     codegen passes [23tqyymcb18u96mb]
    time: 0.000; rss: 681MB     llvm function passes [2xnvmuhjbhd7vxcm]
    time: 0.000; rss: 681MB     llvm module passes [2xnvmuhjbhd7vxcm]
    time: 0.012; rss: 683MB     codegen passes [1y16o1qfye96o7m0]
    time: 0.010; rss: 683MB     codegen passes [2r82puffnvvb8iic]
    time: 0.011; rss: 683MB     codegen passes [524bze3gcv99ucga]
    time: 0.011; rss: 683MB     codegen passes [v6ozwtpojmqfurc]
    time: 0.006; rss: 686MB     codegen passes [2xnvmuhjbhd7vxcm]
      time: 0.543; rss: 690MB   persist query result cache
      time: 0.146; rss: 725MB   persist dep-graph
    time: 0.690; rss: 725MB     serialize dep graph
  time: 2.837; rss: 725MB       translation
    time: 1.168; rss: 275MB     codegen passes [2iv7jmandrgcbb7e]
  time: 2.562; rss: 237MB       LLVM passes
  time: 0.005; rss: 237MB       serialize work products
  time: 0.491; rss: 237MB       linking
    Finished dev [unoptimized + debuginfo] target(s) in 141.52 secs

(x86_64-pc-windows-msvc)
@CAD97 CAD97 mentioned this issue Feb 5, 2018
Open
@TimNN TimNN added C-enhancement Category: An issue proposing an enhancement or a PR with one. I-compiletime Issue: Problems and improvements with respect to compile times. labels Feb 6, 2018
@ishitatsuyuki
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Seems this is still a thing even with #46882. It chokes by turning it into an error:

error[E0080]: constant evaluation error
  --> unic/ucd/name/src/name.rs:44:18
   |
44 |             _ => data::NAMES.find(ch).map(|pieces| Name::NR3(pieces)),
   |                  ^^^^^^^^^^^ referenced constant has errors

error[E0080]: constant evaluation error
     --> unic/ucd/name/src/../tables/name_map.rsv:3:24
      |
3     |   CharDataTable::Direct(&[
      |  ________________________^
4     | |     ('\u{20}', &[SPACE]),
5     | |     ('\u{21}', &[EXCLAMATION, MARK]),
6     | |     ('\u{22}', &[QUOTATION, MARK]),
...     |
31526 | |     ('\u{e01ef}', &[VARIATION, SELECTOR_256]),
31527 | | ])
      | |_^ reached the configured maximum execution time

    time: 4.969; rss: 764MB     translation item collection
error: aborting due to 2 previous errors

@ishitatsuyuki ishitatsuyuki mentioned this issue Feb 12, 2018
Merged
@CAD97
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CAD97 commented Feb 20, 2018

This... unregressed?

Time Passes 
D:\Christopher\Documents\Code\Rust\rust-unic>rustup update
info: syncing channel updates for 'stable-x86_64-pc-windows-msvc'
info: syncing channel updates for 'beta-x86_64-pc-windows-msvc'
info: syncing channel updates for 'nightly-x86_64-pc-windows-msvc'
info: checking for self-updates

   stable-x86_64-pc-windows-msvc unchanged - rustc 1.24.0 (4d90ac38c 2018-02-12)
     beta-x86_64-pc-windows-msvc unchanged - rustc 1.24.0-beta.12 (ed2c0f084 2018-02-12)
  nightly-x86_64-pc-windows-msvc unchanged - rustc 1.25.0-nightly (27a046e93 2018-02-18)

D:\Christopher\Documents\Code\Rust\rust-unic>cargo +nightly rustc --package=unic-ucd-name -- -Z time-passes
   Compiling unic-ucd-core v0.6.0 (file:///D:/Christopher/Documents/Code/Rust/rust-unic/unic/ucd/core)
   Compiling unic-char-range v0.6.0 (file:///D:/Christopher/Documents/Code/Rust/rust-unic/unic/char/range)
   Compiling unic-utils v0.6.0 (file:///D:/Christopher/Documents/Code/Rust/rust-unic/unic/utils)
   Compiling unic-ucd-name v0.6.0 (file:///D:/Christopher/Documents/Code/Rust/rust-unic/unic/ucd/name)
  time: 0.001; rss: 18MB	parsing
  time: 0.000; rss: 18MB	garbage collect incremental cache directory
  time: 0.000; rss: 18MB	recursion limit
  time: 0.000; rss: 18MB	crate injection
  time: 0.000; rss: 18MB	plugin loading
  time: 0.000; rss: 18MB	plugin registration
  time: 0.000; rss: 19MB	background load prev dep-graph
  time: 0.631; rss: 106MB	expansion
  time: 0.000; rss: 106MB	maybe building test harness
  time: 0.012; rss: 106MB	maybe creating a macro crate
  time: 0.033; rss: 106MB	creating allocators
  time: 0.011; rss: 106MB	AST validation
  time: 0.133; rss: 124MB	name resolution
  time: 0.037; rss: 124MB	complete gated feature checking
  time: 0.000; rss: 124MB	blocked while dep-graph loading finishes
  time: 0.160; rss: 171MB	lowering ast -> hir
  time: 0.063; rss: 171MB	early lint checks
  time: 0.447; rss: 179MB	indexing hir
  time: 0.000; rss: 123MB	load query result cache
  time: 0.000; rss: 123MB	looking for entry point
  time: 0.000; rss: 123MB	looking for plugin registrar
  time: 0.033; rss: 123MB	loop checking
  time: 0.068; rss: 123MB	static item recursion checking
  time: 0.054; rss: 135MB	attribute checking
  time: 0.083; rss: 144MB	stability checking
  time: 0.339; rss: 202MB	type collecting
  time: 0.002; rss: 202MB	outlives testing
  time: 0.001; rss: 202MB	impl wf inference
  time: 0.049; rss: 221MB	coherence checking
  time: 0.001; rss: 221MB	variance testing
  time: 0.282; rss: 262MB	wf checking
  time: 4.531; rss: 337MB	item-types checking
  time: 0.032; rss: 342MB	item-bodies checking
  time: 2.627; rss: 553MB	const checking
  time: 0.174; rss: 554MB	privacy checking
  time: 0.023; rss: 554MB	intrinsic checking
  time: 0.045; rss: 555MB	match checking
  time: 0.010; rss: 555MB	liveness checking
  time: 0.546; rss: 566MB	borrow checking
  time: 0.025; rss: 568MB	MIR borrow checking
  time: 0.008; rss: 568MB	MIR effect checking
  time: 0.044; rss: 569MB	death checking
  time: 0.000; rss: 569MB	unused lib feature checking
  time: 0.163; rss: 569MB	lint checking
  time: 0.000; rss: 569MB	resolving dependency formats
    time: 1.076; rss: 618MB	write metadata
    time: 0.104; rss: 620MB	translation item collection
    time: 0.002; rss: 621MB	codegen unit partitioning
    time: 0.001; rss: 636MB	llvm function passes [49a7n47po4ttqjl7]
    time: 0.000; rss: 637MB	llvm module passes [49a7n47po4ttqjl7]
    time: 0.000; rss: 638MB	llvm function passes [3ayaeypdcro9d6yk]
    time: 0.000; rss: 638MB	llvm module passes [3ayaeypdcro9d6yk]
    time: 0.000; rss: 638MB	llvm function passes [3kfx4ynvkmi2y9i5]
    time: 0.000; rss: 638MB	llvm module passes [3kfx4ynvkmi2y9i5]
    time: 0.000; rss: 638MB	llvm function passes [45nf4z58qqykpcpi]
    time: 0.000; rss: 638MB	llvm module passes [45nf4z58qqykpcpi]
    time: 0.000; rss: 639MB	llvm function passes [kt25z0521ngsjub]
    time: 0.000; rss: 639MB	llvm module passes [kt25z0521ngsjub]
    time: 0.000; rss: 642MB	llvm function passes [2ny9ynlpevlhfa8x]
    time: 0.000; rss: 642MB	llvm module passes [2ny9ynlpevlhfa8x]
    time: 0.000; rss: 645MB	llvm function passes [1im38lueib99jsk0]
    time: 0.000; rss: 645MB	llvm module passes [1im38lueib99jsk0]
    time: 0.019; rss: 662MB	codegen passes [3kfx4ynvkmi2y9i5]
    time: 0.016; rss: 663MB	codegen passes [45nf4z58qqykpcpi]
    time: 0.000; rss: 663MB	llvm function passes [2lyh15q6cjwzy18c]
    time: 0.000; rss: 663MB	llvm module passes [2lyh15q6cjwzy18c]
    time: 0.020; rss: 663MB	codegen passes [kt25z0521ngsjub]
    time: 0.025; rss: 663MB	codegen passes [3ayaeypdcro9d6yk]
    time: 0.016; rss: 663MB	codegen passes [2ny9ynlpevlhfa8x]
    time: 0.013; rss: 663MB	codegen passes [1im38lueib99jsk0]
    time: 0.032; rss: 663MB	codegen passes [49a7n47po4ttqjl7]
    time: 0.007; rss: 663MB	codegen passes [2lyh15q6cjwzy18c]
    time: 0.000; rss: 675MB	llvm function passes [4ypvbwho0bu5tnww]
    time: 0.000; rss: 675MB	llvm module passes [4ypvbwho0bu5tnww]
    time: 0.000; rss: 675MB	llvm function passes [43v6g0y2xsxoggnt]
    time: 0.000; rss: 675MB	llvm module passes [43v6g0y2xsxoggnt]
    time: 0.000; rss: 675MB	llvm function passes [9elsx31vb4it187]
    time: 0.000; rss: 675MB	llvm module passes [9elsx31vb4it187]
    time: 0.000; rss: 676MB	llvm function passes [16u6js6g0l3k1ic6]
    time: 0.000; rss: 676MB	llvm module passes [16u6js6g0l3k1ic6]
    time: 0.000; rss: 676MB	llvm function passes [3e8c0xfx7ikmlnfk]
    time: 0.000; rss: 676MB	llvm module passes [3e8c0xfx7ikmlnfk]
    time: 0.000; rss: 676MB	llvm function passes [9fcb3syd3ne5k0n]
    time: 0.000; rss: 676MB	llvm module passes [9fcb3syd3ne5k0n]
    time: 0.000; rss: 679MB	llvm function passes [c6lbtaiefvx3wya]
    time: 0.000; rss: 679MB	llvm module passes [c6lbtaiefvx3wya]
    time: 0.019; rss: 679MB	codegen passes [43v6g0y2xsxoggnt]
    time: 0.008; rss: 679MB	codegen passes [9fcb3syd3ne5k0n]
    time: 0.016; rss: 679MB	codegen passes [16u6js6g0l3k1ic6]
    time: 0.013; rss: 679MB	codegen passes [3e8c0xfx7ikmlnfk]
    time: 0.000; rss: 679MB	llvm function passes [98g0d9x8aw3akpe]
    time: 0.000; rss: 679MB	llvm module passes [98g0d9x8aw3akpe]
    time: 0.000; rss: 679MB	llvm function passes [2jqywn86b2gsqohu]
    time: 0.000; rss: 679MB	llvm module passes [2jqywn86b2gsqohu]
    time: 0.000; rss: 679MB	llvm function passes [8xzrsc1ux72v29j]
    time: 0.000; rss: 680MB	llvm module passes [8xzrsc1ux72v29j]
    time: 0.016; rss: 680MB	codegen passes [9elsx31vb4it187]
    time: 0.023; rss: 680MB	codegen passes [4ypvbwho0bu5tnww]
    time: 0.000; rss: 680MB	llvm function passes [4ezmh1vbs95c5ack]
    time: 0.000; rss: 680MB	llvm function passes [2kjrmm4fe2aha78f]
    time: 0.000; rss: 680MB	llvm module passes [2kjrmm4fe2aha78f]
    time: 0.000; rss: 680MB	llvm module passes [4ezmh1vbs95c5ack]
    time: 0.000; rss: 680MB	llvm function passes [4yh8x2b62dcih00t]
    time: 0.000; rss: 680MB	llvm module passes [4yh8x2b62dcih00t]
    time: 0.011; rss: 681MB	codegen passes [98g0d9x8aw3akpe]
    time: 0.010; rss: 681MB	codegen passes [2jqywn86b2gsqohu]
    time: 0.000; rss: 681MB	llvm function passes [1mvmz58owquyropc]
    time: 0.000; rss: 681MB	llvm module passes [1mvmz58owquyropc]
    time: 0.016; rss: 681MB	codegen passes [c6lbtaiefvx3wya]
    time: 0.000; rss: 681MB	llvm function passes [4xq48u46a1pwiqn7]
    time: 0.000; rss: 681MB	llvm module passes [4xq48u46a1pwiqn7]
    time: 0.016; rss: 681MB	codegen passes [4ezmh1vbs95c5ack]
    time: 0.000; rss: 681MB	llvm function passes [2xnvmuhjbhd7vxcm]
    time: 0.000; rss: 681MB	llvm module passes [2xnvmuhjbhd7vxcm]
    time: 0.000; rss: 681MB	llvm function passes [2f0hry2t7c05ttdi]
    time: 0.000; rss: 681MB	llvm module passes [2f0hry2t7c05ttdi]
    time: 0.020; rss: 681MB	codegen passes [2kjrmm4fe2aha78f]
    time: 0.020; rss: 681MB	codegen passes [8xzrsc1ux72v29j]
    time: 0.008; rss: 681MB	codegen passes [1mvmz58owquyropc]
    time: 0.000; rss: 681MB	llvm function passes [4jdnq7xfjeka1bt]
    time: 0.000; rss: 681MB	llvm module passes [4jdnq7xfjeka1bt]
    time: 0.000; rss: 681MB	llvm function passes [48721dc4k5qxei0u]
    time: 0.000; rss: 681MB	llvm module passes [48721dc4k5qxei0u]
    time: 0.014; rss: 681MB	codegen passes [4yh8x2b62dcih00t]
    time: 0.000; rss: 681MB	llvm function passes [v6ozwtpojmqfurc]
    time: 0.000; rss: 681MB	llvm module passes [v6ozwtpojmqfurc]
    time: 0.000; rss: 682MB	llvm function passes [1y16o1qfye96o7m0]
    time: 0.000; rss: 682MB	llvm module passes [1y16o1qfye96o7m0]
    time: 0.009; rss: 682MB	codegen passes [4xq48u46a1pwiqn7]
    time: 0.690; rss: 682MB	translate to LLVM IR
    time: 0.000; rss: 682MB	assert dep graph
    time: 0.000; rss: 682MB	llvm function passes [1dqvxks6k2bzkxe]
    time: 0.000; rss: 682MB	llvm module passes [1dqvxks6k2bzkxe]
    time: 0.009; rss: 682MB	codegen passes [2f0hry2t7c05ttdi]
    time: 0.011; rss: 682MB	codegen passes [2xnvmuhjbhd7vxcm]
    time: 0.000; rss: 682MB	llvm function passes [23tqyymcb18u96mb]
    time: 0.000; rss: 682MB	llvm function passes [524bze3gcv99ucga]
    time: 0.000; rss: 682MB	llvm module passes [23tqyymcb18u96mb]
    time: 0.000; rss: 682MB	llvm module passes [524bze3gcv99ucga]
    time: 0.010; rss: 682MB	codegen passes [4jdnq7xfjeka1bt]
    time: 0.000; rss: 682MB	llvm function passes [2r82puffnvvb8iic]
    time: 0.000; rss: 682MB	llvm module passes [2r82puffnvvb8iic]
    time: 0.014; rss: 682MB	codegen passes [v6ozwtpojmqfurc]
    time: 0.010; rss: 682MB	codegen passes [48721dc4k5qxei0u]
    time: 0.009; rss: 682MB	codegen passes [1dqvxks6k2bzkxe]
    time: 0.014; rss: 682MB	codegen passes [1y16o1qfye96o7m0]
    time: 0.008; rss: 687MB	codegen passes [524bze3gcv99ucga]
    time: 0.008; rss: 687MB	codegen passes [23tqyymcb18u96mb]
    time: 0.006; rss: 685MB	codegen passes [2r82puffnvvb8iic]
    time: 0.111; rss: 690MB	llvm function passes [2iv7jmandrgcbb7e]
    time: 0.000; rss: 690MB	llvm module passes [2iv7jmandrgcbb7e]
      time: 0.727; rss: 692MB	persist query result cache
      time: 0.133; rss: 733MB	persist dep-graph
    time: 0.860; rss: 733MB	serialize dep graph
  time: 2.863; rss: 733MB	translation
    time: 1.419; rss: 276MB	codegen passes [2iv7jmandrgcbb7e]
  time: 2.886; rss: 237MB	LLVM passes
  time: 0.002; rss: 237MB	serialize work products
  time: 0.905; rss: 238MB	linking
    Finished dev [unoptimized + debuginfo] target(s) in 20.55 secs

@jonas-schievink jonas-schievink added T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. labels Jan 31, 2020
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C-enhancement Category: An issue proposing an enhancement or a PR with one. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. I-compiletime Issue: Problems and improvements with respect to compile times. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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@TimNN @jonas-schievink @CAD97 @ishitatsuyuki