Rockbox

  • Status Closed
  • Percent Complete
    100%
  • Task Type Patches
  • Category Codecs
  • Assigned To
    Buschel
  • Operating System All players
  • Severity Low
  • Priority Very Low
  • Reported Version Release 3.4
  • Due in Version Undecided
  • Due Date Undecided
  • Votes
  • Private
Attached to Project: Rockbox
Opened by Buschel - 2010-05-24
Last edited by Buschel - 2010-05-29

FS#11309 - Minor asm changes to codecs

This patch adds some minor changes to libmad, libmpc and libatrac. It incorporates  FS#11235  (libmad optimization for ARM9).

Speed up on PP502x for mpc and atrac3 is ~0.05-0.1 MHz – not much, but reproducible slightly faster. The speed of libmad on PP502x is same as svn, but for >=ARM9 it was reported to be ~0.2 MHz faster.

Closed by  Buschel
2010-05-29 14:17
Reason for closing:  Rejected
Additional comments about closing:  

Speed-up is only minor on PP502x , but speed was reported to be minor slower on ARM9. So, drop this change.

New version which uses appropriate clobber lists in libmad's asm routines. Also do some reformatting.

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