Changeset 209462 in webkit

Timestamp:

Dec 7, 2016, 10:39:44 AM (8 years ago)

Author:

ggaren@apple.com

Message:

performance.now() should truncate to 100us
​https://bugs.webkit.org/show_bug.cgi?id=165503
<rdar://problem/29544531>

Reviewed by Mark Lam.

• page/Performance.cpp:

(WebCore::Performance::reduceTimeResolution):

Location:

trunk/Source/WebCore

Files:

• ChangeLog (modified) (1 diff)
• page/Performance.cpp (modified) (1 diff)

trunk/Source/WebCore/ChangeLog

@@ +1 @@
+2016-12-06  Geoffrey Garen  <ggaren@apple.com>
+
+        performance.now() should truncate to 100us
+        https://bugs.webkit.org/show_bug.cgi?id=165503
+        <rdar://problem/29544531>
+
+        Reviewed by Mark Lam.
+
+        * page/Performance.cpp:
+        (WebCore::Performance::reduceTimeResolution):
+
 2016-12-07  Dave Hyatt  <hyatt@apple.com>
 

trunk/Source/WebCore/page/Performance.cpp

@@ -215 +215 @@
 double Performance::reduceTimeResolution(double seconds)
 {
-    const double resolutionSeconds = 0.000005;
+    const double resolutionSeconds = 0.0001;
     return std::floor(seconds / resolutionSeconds) * resolutionSeconds;
 }