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Issue 10828182: Fix x64 performance regression, array allocation was always going via runtime. Improvements: Havlak… (Closed)

Created:
8 years, 4 months ago by srdjan
Modified:
8 years, 4 months ago
Reviewers:
siva
CC:
reviews_dartlang.org
Visibility:
Public.

Description

Fix x64 performance regression, array allocation was always going via runtime. Improvements: Havlak 70%, DeltaBlue 20%, Meteor 20%. Committed: https://code.google.com/p/dart/source/detail?r=10319

Patch Set 1 #

Total comments: 4

Patch Set 2 : #

Unified diffs Side-by-side diffs Delta from patch set Stats (+4 lines, -3 lines) Patch
M runtime/vm/intrinsifier_x64.cc View 1 3 chunks +4 lines, -3 lines 0 comments Download

Messages

Total messages: 3 (0 generated)
srdjan
This synchronizes x64 with ia32. In a separate CL we must be smarter not to ...
8 years, 4 months ago (2012-08-06 22:14:49 UTC) #1
siva
lgtm https://chromiumcodereview.appspot.com/10828182/diff/1/runtime/vm/intrinsifier_x64.cc File runtime/vm/intrinsifier_x64.cc (right): https://chromiumcodereview.appspot.com/10828182/diff/1/runtime/vm/intrinsifier_x64.cc#newcode76 runtime/vm/intrinsifier_x64.cc:76: // RCX: new object end address. RCX is ...
8 years, 4 months ago (2012-08-06 22:47:17 UTC) #2
srdjan
8 years, 4 months ago (2012-08-06 23:01:02 UTC) #3
https://chromiumcodereview.appspot.com/10828182/diff/1/runtime/vm/intrinsifie...
File runtime/vm/intrinsifier_x64.cc (right):

https://chromiumcodereview.appspot.com/10828182/diff/1/runtime/vm/intrinsifie...
runtime/vm/intrinsifier_x64.cc:76: // RCX: new object end address.
On 2012/08/06 22:47:17, asiva wrote:
> RCX is not used in the block below, why does it have to be documented here.

Removed from comment.

https://chromiumcodereview.appspot.com/10828182/diff/1/runtime/vm/intrinsifie...
runtime/vm/intrinsifier_x64.cc:96: // RCX: new object end address.
On 2012/08/06 22:47:17, asiva wrote:
> Ditto comment regarding RCX.

Removed from comment.

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