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Only lookup types in one interner #50332

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merged 1 commit into from May 11, 2018
Merged

Only lookup types in one interner #50332

merged 1 commit into from May 11, 2018

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Zoxc
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@Zoxc Zoxc commented Apr 30, 2018

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r? @petrochenkov

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@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Apr 30, 2018
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Zoxc commented Apr 30, 2018

@bors try

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bors commented Apr 30, 2018

⌛ Trying commit 3d038cc with merge 0f8ec0a...

bors added a commit that referenced this pull request Apr 30, 2018
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Auto merge of #50332 - Zoxc:interner-split, r=<try>
0f8ec0a 
[WIP] Only lookup types in one interner
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bors commented Apr 30, 2018

☀️ Test successful - status-travis
State: approved= try=True

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r? @eddyb

@rust-highfive rust-highfive assigned eddyb and unassigned petrochenkov Apr 30, 2018
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Zoxc commented Apr 30, 2018

@Mark-Simulacrum I'd like a perf run here

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Perf queued (and started).

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Zoxc commented May 1, 2018

Results: http://perf.rust-lang.org/compare.html?start=9ff8ec8fdf02b6d8ba35373943e0c6de13597697&end=0f8ec0a707d11fe3ffeccd1e4bafe9ca8922b42c&stat=instructions%3Au

eddyb
eddyb reviewed May 1, 2018
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src/librustc/ty/context.rs Outdated
let flags = super::flags::FlagComputation::for_sty(&st);

if flags.flags.intersects(ty::TypeFlags::KEEP_IN_LOCAL_TCX) != true {
eprintln!("MISMATCH TRUE {:?}", st);
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Do you want to remove these eprintln!s? You already have asserts here.

eddyb
eddyb reviewed May 1, 2018
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src/librustc/ty/flags.rs Outdated
@@ -250,3 +250,160 @@ impl FlagComputation {
}
}
}

pub(crate) fn sty_in_local_arena(st: &ty::TypeVariants) -> bool {
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Can't you reuse TypeVisitor for this? Seems like a lot of code IMO.

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eddyb commented May 1, 2018

LGTM, modulo the implementation duplicating a lot of logic.

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Zoxc commented May 2, 2018

@bors try

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bors commented May 2, 2018

⌛ Trying commit d452c3e with merge 116cf1c...

bors added a commit that referenced this pull request May 2, 2018
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Auto merge of #50332 - Zoxc:interner-split, r=<try>
116cf1c 
[WIP] Only lookup types in one interner
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bors commented May 2, 2018

☀️ Test successful - status-travis
State: approved= try=True

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Zoxc commented May 2, 2018

@Mark-Simulacrum I'd like another perf run to see if the fast path helps

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Perf queued.

@kennytm kennytm added the S-waiting-on-perf Status: Waiting on a perf run to be completed. label May 3, 2018
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kennytm commented May 4, 2018

Perf link when it is available: http://perf.rust-lang.org/compare.html?start=6a87289fa4f49b6bdd62f33f69a580026223421f&end=116cf1c0ba1e36f4441db6653e871bc8d3d3f670&stat=instructions%3Au

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kennytm commented May 6, 2018 •
edited

@Zoxc @eddyb Perf result is now available.

@bors try- clean

@kennytm kennytm removed the S-waiting-on-perf Status: Waiting on a perf run to be completed. label May 6, 2018
@shepmaster shepmaster added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels May 6, 2018
@Zoxc Zoxc changed the title [WIP] Only lookup types in one interner Only lookup types in one interner May 7, 2018
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Zoxc commented May 7, 2018

It seems like the fast-path wasn't a win. I've removed it and also applied the transformation to the interning macro.

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lgtm! You can still r- if you have any concerns, @eddyb.

@bors r+

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bors commented May 11, 2018

📌 Commit e245d69 has been approved by michaelwoerister

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels May 11, 2018
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bors commented May 11, 2018

⌛ Testing commit e245d69 with merge fe63e47...

bors added a commit that referenced this pull request May 11, 2018
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Auto merge of #50332 - Zoxc:interner-split, r=michaelwoerister
fe63e47 
Only lookup types in one interner
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bors commented May 11, 2018

☀️ Test successful - status-appveyor, status-travis
Approved by: michaelwoerister
Pushing fe63e47 to master...

@bors bors merged commit e245d69 into rust-lang:master May 11, 2018
@Zoxc Zoxc deleted the interner-split branch May 11, 2018 15:44
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@Zoxc @rust-highfive @bors @petrochenkov @Mark-Simulacrum @eddyb @kennytm @michaelwoerister @shepmaster