[tor-talk] hardware acceleration OK or not?
gk at torproject.org
Wed Jul 23 08:11:03 UTC 2014
> On 6/28/2014 4:54 AM, Roger Dingledine wrote:
>> On Fri, Jun 27, 2014 at 01:27:50PM -0500, Joe Btfsplk wrote:
>>> Hardware acceleration is unchecked by default it Torbrowser.
>>> Other than some machines might not support it, is there a reason not
>>> to enabled it?
>>> Some fingerprinting or other issue?
>> which points to
>> Basically, some Windows systems were crashing when Tor Browser had
>> hardware acceleration enabled.
>> I think we made that change in TBB 3.5rc1:
>> See the (alas not labelled with a ticket number) line:
>> "Misc Prefs: Disable layer acceleration to avoid crashes on Windows"
>> It looks from the various tickets like the issue is not entirely sorted
>> for all users.
> Thanks. Has it been determined whether hardware acceleration being
> enabled can be detected for fingerprinting purposes?
I think it can if you write some tests measuring and comparing the
performance of particular browser features that may benefit from
hardware acceleration being enabled.
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