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WIP: Less globals - #46193

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Zoxc:less-globals
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WIP: Less globals#46193
Zoxc wants to merge 26 commits into
rust-lang:masterfrom
Zoxc:less-globals

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@Zoxc

@ZoxcZoxc commented Nov 22, 2017

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This is based on #45912.

r? @arielb1

@kennytmkennytm added the S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. label Nov 22, 2017
@Zoxc
Zoxcforce-pushed the less-globals branch 3 times, most recently from 4652777 to f922075CompareNovember 23, 2017 20:15
@bors

bors commented Nov 24, 2017

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☔ The latest upstream changes (presumably #46093) made this pull request unmergeable. Please resolve the merge conflicts.

@Zoxc

Zoxc commented Nov 25, 2017

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@bors try

@bors

bors commented Nov 25, 2017

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⌛ Trying commit 057c727 with merge 2581e0d...

bors added a commit that referenced this pull request Nov 25, 2017
@bors
Auto merge of#46193- Zoxc:less-globals, r=<try>
2581e0d
WIP: Less globals
This is based on #45912.
r? @arielb1
@bors

bors commented Nov 25, 2017

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

@Zoxc

Zoxc commented Nov 27, 2017

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@Mark-Simulacrum Can I get a perf run?

@Mark-Simulacrum

Mark-Simulacrum commented Nov 27, 2017

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Not currently. Perf is down while we transition to the new collector/frontend, but that should be a relatively temporary event. Once it's back up and running, sure -- it'll be a day or so, and then please ping me again if I haven't posted anything.

@kennytm

kennytm commented Nov 29, 2017

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Ping @Mark-Simulacrum ↑

@Mark-Simulacrum

Mark-Simulacrum commented Nov 29, 2017

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Please rebase onto master to pick up #46354. Once that's in, I think this should work.

@Zoxc

Zoxc commented Nov 29, 2017

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@bors try

bors added a commit that referenced this pull request Nov 29, 2017
@bors
Auto merge of#46193- Zoxc:less-globals, r=<try>
04c8514
WIP: Less globals
This is based on #45912.
r? @arielb1
@bors

bors commented Nov 29, 2017

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

@Mark-Simulacrum

Mark-Simulacrum commented Nov 29, 2017

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Build queued. Should be available on perf.rlo at http://perf.rust-lang.org/compare.html?start=0a2e9ade83ff253bb489c63a95b1f499c5e0916f&end=04c8514ef729c50d18533b9b435fb0659afd07da&stat=instructions%3Au in at most 4 hours, likely less.

@Zoxc
Zoxcforce-pushed the less-globals branch 2 times, most recently from 32827d4 to bc95965CompareDecember 1, 2017 22:49
@Zoxc

Zoxc commented Dec 2, 2017

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@bors try

@bors

bors commented Dec 2, 2017

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⌛ Trying commit bc95965 with merge c4c91a0...

bors added a commit that referenced this pull request Dec 2, 2017
@bors
Auto merge of#46193- Zoxc:less-globals, r=<try>
c4c91a0
WIP: Less globals
This is based on #45912.
r? @arielb1
@bors

bors commented Dec 2, 2017

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

@Zoxc

Zoxc commented Dec 2, 2017

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@Mark-Simulacrum Let's run perf again, now with thread-safe types :)

@Mark-Simulacrum

Mark-Simulacrum commented Dec 2, 2017

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Perf queued.

@Zoxc

Zoxc commented Dec 2, 2017

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Here are the result:
http://perf.rust-lang.org/compare.html?start=bb42071f63830a984c4983f6fbdf982916857f72&end=c4c91a005d72225d7d849276369e39b5b66a4c91&stat=wall-time
The 30% overhead which I got last time seems to have disappeared.

@aidanhs

aidanhs commented Dec 7, 2017

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@Zoxc just checking in for triage and wondering where this is up to? I can see there are merge conflicts, but once those are resolved is this ready for review?

Zoxc added 21 commits December 10, 2017 16:19
@Zoxc
Make err_count thread safe
e266fbf
@Zoxc
Refactor code so the call to codemap.files() does not deadlock
359f890
@Zoxc
Convert IGNORED_ATTR_NAMES into a global variable and initialize it o…
ca2e0e2
…n use
@Zoxc
Add a -Z query_threads compiler option
35e2afc
@Zoxc
Assert that GlobalCtxt is Sync
991262b
@Zoxc
Make PROFQ_CHAN a global
dafdbe6
@Zoxc
Make IndexVec implement Send and Sync
fb6631a
@Zoxc
Make TransitiveRelation thread safe. Avoid locking by using get_mut i…
e6d2320
…n some cases.
@Zoxc
Remove useless Rc
bdf5391
@Zoxc
Use rustc_erase_owner! which produces a Send + Sync erased owner if c…
d1d1c72
…fg!(parallel_queries)
@Zoxc
Add Encodable and Decodable impls for Arc<[T]>
7427bfa
@Zoxc
Make USED_ATTRS and KNOWN_ATTRS into globals
b626fc4
@Zoxc
Make REGISTERED_DIAGNOSTICS a global
d64651f
@Zoxc
FIXME note + thread safety
b81bd03
@Zoxc
Make HYGIENE_DATA a global
60bf355
@Zoxc
Make Span and Symbol implement Send and Sync
f3cf981
@Zoxc
Make InternedString Send
a87758f
@Zoxc
Make syntax_pos interners globals
29af473
@Zoxc
Mechanical translation which results in GlobalCtxt being Sync
aee48c3
@Zoxc
Remove IGNORED_ATTR_NAMES and make PROFQ_CHAN a scoped thread local.
844c812
@Zoxc
Remove syntax and syntax_pos thread locals
a46f81e
bors added a commit that referenced this pull request Dec 10, 2017
@bors
Auto merge of#46564- Zoxc:rayon-queries, r=<try>
8ad7c34
WIP: Parallelize passes using rayon
This builds on #46193 and #45912 and actually makes code run in parallel. This is not quite ready yet since `rustc` is not yet completely thread safe. It also uses a rough fork of rayon which uses fibers/stackful coroutines.
@bors

bors commented Dec 12, 2017

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☔ The latest upstream changes (presumably #46657) made this pull request unmergeable. Please resolve the merge conflicts.

@Zoxc

Zoxc commented Dec 17, 2017

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This is being split into smaller PRs.

@ZoxcZoxc closed this Dec 17, 2017
bors added a commit that referenced this pull request Feb 9, 2018
@bors
Auto merge of#46564- Zoxc:rayon-queries, r=<try>
3a6dd8c
WIP: Parallelize passes using rayon
This builds on #46193 and #45912 and actually makes code run in parallel. This is not quite ready yet since `rustc` is not yet completely thread safe. It also uses a rough fork of rayon which uses fibers/stackful coroutines.
@nikomatsakisnikomatsakis mentioned this pull request Apr 6, 2018
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bors added a commit that referenced this pull request Apr 19, 2018
@bors
Auto merge of#46564- Zoxc:rayon-queries, r=<try>
7b0006d
WIP: Parallelize passes using rayon
This builds on #46193 and #45912 and actually makes code run in parallel. This is not quite ready yet since `rustc` is not yet completely thread safe. It also uses a rough fork of rayon which uses fibers/stackful coroutines.
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@Zoxc@bors@Mark-Simulacrum@kennytm@aidanhs@arielb1