| commit | 0b8a69458ea25314f83d83fbe7f6ced4f903daf1 | [log] [tgz] |
|---|---|---|
| author | bmeurer <bmeurer@chromium.org> | Wed Sep 14 04:12:26 2016 |
| committer | Commit bot <commit-bot@chromium.org> | Wed Sep 14 04:13:09 2016 |
| tree | 2994ebaa92181e36002a1a3cab0cfdfc32d6b230 | |
| parent | 4276567865dc5f6e20594d1ae1e5f59451bc4477 [diff] |
[turbofan] Call frequencies for JSCallFunction and JSCallConstruct. Extract the call counts from the type feedback vector during graph building (either via the AstGraphBuilder or the BytecodeGraphBuilder), and put them onto the JSCallFunction and JSCallConstruct operators, so that they work even across inlinine through .apply and .call (which was previously hacked by creating a temporary type feedback vector for those). The next logic step will be to make those call counts into real relative call frequencies (also during graph building), so that we can make inlining decisions that make sense for the function being optimized (where absolute values are misleading). R=jarin@chromium.org BUG=v8:5267,v8:5372 Review-Url: https://codereview.chromium.org/2330883002 Cr-Commit-Position: refs/heads/master@{#39400}
V8 is Google's open source JavaScript engine.
V8 implements ECMAScript as specified in ECMA-262.
V8 is written in C++ and is used in Google Chrome, the open source browser from Google.
V8 can run standalone, or can be embedded into any C++ application.
V8 Project page: https://github.com/v8/v8/wiki
Checkout depot tools, and run
fetch v8
This will checkout V8 into the directory v8 and fetch all of its dependencies. To stay up to date, run
git pull origin
gclient sync
For fetching all branches, add the following into your remote configuration in .git/config:
fetch = +refs/branch-heads/*:refs/remotes/branch-heads/*
fetch = +refs/tags/*:refs/tags/*
Please follow the instructions mentioned on the V8 wiki.