[tor-talk] hardware acceleration OK or not?

Georg Koppen gk at torproject.org
Wed Jul 23 08:11:03 UTC 2014

Joe Btfsplk:
> 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?
>> https://trac.torproject.org/projects/tor/ticket/10531
>> which points to
>> https://lists.torproject.org/pipermail/tor-talk/2013-June/thread.html#28620
>> Basically, some Windows systems were crashing when Tor Browser had
>> hardware acceleration enabled.
>> I think we made that change in TBB 3.5rc1:
>> https://blog.torproject.org/blog/tor-browser-bundle-35rc1-released
>> 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.


-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 801 bytes
Desc: OpenPGP digital signature
URL: <http://lists.torproject.org/pipermail/tor-talk/attachments/20140723/9eb2de28/attachment.sig>

More information about the tor-talk mailing list