Re: [tor-bugs] #28326 [Applications/Tor Browser]: Tor Browser for PPC64LE

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#28326: Tor Browser for PPC64LE
--------------------------------------+--------------------------
 Reporter:  power9                    |          Owner:  tbb-team
     Type:  enhancement               |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  tbb-rbm                   |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
--------------------------------------+--------------------------

Comment (by tpearson-raptor):

 Replying to [comment:6 gk]:
 > https://bearssl.org/ctmul.html has some more information.

 The listed CPUs are very old.  POWER9 (and likely POWER8) has constant
 time multiplication via the mulhd/mulhdu and mulld commands (min latency
 5, max latency 5).

 See the processor user guide [1], Appendix A for details.

 [1]
 https://wiki.raptorcs.com/w/images/8/89/POWER9_um_OpenPOWER_v20GA_09APR2018_pub.pdf

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28326#comment:8>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

_______________________________________________
tor-bugs mailing list
tor-bugs@xxxxxxxxxxxxxxxxxxxx
https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-bugs