Changeset 109435 in webkit

Timestamp:

Mar 1, 2012, 2:50:07 PM (15 years ago)

Author:

ap@apple.com

Message:

FileReader read speed is way too low
​https://bugs.webkit.org/show_bug.cgi?id=77272

Reviewed by Oliver Hunt.

This brings performance to reasonable range, but certainly doesn't exhaust improvement opportunities.

• platform/network/BlobResourceHandle.cpp: Use a more appropriate block size. Performing cross-thread messaging for every 1024 bytes is slow.

Location:

trunk/Source/WebCore

Files:

• ChangeLog (modified) (1 diff)
• platform/network/BlobResourceHandle.cpp (modified) (1 diff)

trunk/Source/WebCore/ChangeLog

@@ +1 @@
+2012-03-01  Alexey Proskuryakov  <ap@apple.com>
+
+        FileReader read speed is way too low
+        https://bugs.webkit.org/show_bug.cgi?id=77272
+
+        Reviewed by Oliver Hunt.
+
+        This brings performance to reasonable range, but certainly doesn't exhaust improvement opportunities.
+
+        * platform/network/BlobResourceHandle.cpp: Use a more appropriate block size. Performing
+        cross-thread messaging for every 1024 bytes is slow.
+
 2012-03-01  Dan Bernstein  <mitz@apple.com>
 

trunk/Source/WebCore/platform/network/BlobResourceHandle.cpp

@@ -49 +49 @@
 namespace WebCore {
 
-static const unsigned bufferSize = 1024;
+static const unsigned bufferSize = 512 * 1024;
 static const long long positionNotSpecified = -1;