Closed Bug 581302 Opened 15 years ago Closed 15 years ago

The CPU usage of a flash player in foreground is twice higher in FF 4.0b2 than in FF 3.6

Categories

(Firefox :: General, defect)

Product:
Firefox
Component:
General
Platform:
x86_64
Windows 7
Type:
defect
Priority:
Not set
Severity:
normal

Tracking

()

Status:
RESOLVED WORKSFORME

People

(Reporter: scoobidiver, Unassigned)

References

(
URL
)

Details

User-Agent: Mozilla/5.0 (Windows; Windows NT 6.1; WOW64; rv:2.0b2) Gecko/20100720 Firefox/4.0b2 Build Identifier: Mozilla/5.0 (Windows; Windows NT 6.1; WOW64; rv:2.0b2) Gecko/20100720 Firefox/4.0b2 On the ref URL, the play takes a high CPU usage. It drops when other tabs are selected. Here below are measurements of average CPU usage for different browsers (Processor : T4300 2.1 GHz): FF 4.0b2 : 70% FF 3.6 : 35% ie 8 : 22% Reproducible: Always Steps to Reproduce: 1. Go to the ref URL 2. Click play on the first song
Hardware: x86 → x86_64
Summary: Foreground flash player CPU usage is twicer in FF 4.0b2 than in FF 3.6 → The CPU usage of a flash player in foreground is twice higher in FF 4.0b2 than in FF 3.6
Status: UNCONFIRMED → NEW
Ever confirmed: true
Version: unspecified → Trunk
Build : Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b7pre) Gecko/20100921 Firefox/4.0b7pre With this build and a new test URL (the previous one is obsolete), CPU usage is : * 75% for FF 4.0b7pre without HW acceleration * 65% for FF 3.6.10 * 30-70 % for ie8 So, WFM
URL: http://www.zaoza.fr/download/albumdet... → http://www.zaoza.fr/download/new/1549...
Status: NEW → RESOLVED
Closed: 15 years ago
Resolution: --- → WORKSFORME
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