[Webkit-unassigned] [Bug 146156] New: JetStream should include a JavaScript version of the CDx real-time benchmark
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Fri Jun 19 13:16:28 PDT 2015
https://bugs.webkit.org/show_bug.cgi?id=146156
Bug ID: 146156
Summary: JetStream should include a JavaScript version of the
CDx real-time benchmark
Classification: Unclassified
Product: WebKit
Version: 528+ (Nightly build)
Hardware: All
OS: All
Status: NEW
Severity: Normal
Priority: P2
Component: Tools / Tests
Assignee: webkit-unassigned at lists.webkit.org
Reporter: fpizlo at apple.com
JetStream tries to emphasize latency. Our current latency testing story involves code load tests, short-running tests that offer only small opportunities for warm-up, and tests that measure performance above the 95th percentile.
In academia, there is a test that was used a lot for Real Time Java. It's called CDx. It's a simple aircraft collision detection simulation. It was used in my dissertation and some of my academic papers, and I was one of the co-authors of this original test. Here's the benchmark URL:
https://www.cs.purdue.edu/sss/projects/cdx/
Here are some of the publications based on this benchmark:
https://www.cs.purdue.edu/sss/projects/cdx/publications/
CDx is meant to be easy to implement in different languages. It has a C implementation, for example. We should port it to JavaScript, add it to JetStream as a 95th percentile worst-case test, and retire whatever SunSpider test is least useful (probably cordic, since it's so tiny).
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