• Status Closed
  • Percent Complete
  • Task Type Patches
  • Category Codecs
  • Assigned To No-one
  • Operating System All players
  • Severity Low
  • Priority Very Low
  • Reported Version Release 3.8.1
  • Due in Version Undecided
  • Due Date Undecided
  • Votes
  • Private
Attached to Project: Rockbox
Opened by Buschel - 2011-05-15
Last edited by Buschel - 2011-05-16

FS#12117 - Use more IRAM for atrac3

The attached patch moves several additional data arrays to IRAM for MCF5250, PP5022 and PP5024. It also enables the usage of the configuration for large IRAM on S5L870x (how could I oversee this…).
I will measure the impact on performance on PP5022 and S5L870x tomorrow. Maybe someone else can measure the effect on MCF5250.

Closed by  Buschel
2011-05-16 21:47
Reason for closing:  Accepted
Additional comments about closing:   Warning: Undefined array key "typography" in /home/rockbox/flyspray/plugins/dokuwiki/inc/parserutils.php on line 371 Warning: Undefined array key "camelcase" in /home/rockbox/flyspray/plugins/dokuwiki/inc/parserutils.php on line 407

Submitted with r29829.

Speed up is minor but measurable:
iPod Video: +1%
iPod nano 2G: +2%

Test file.

MikeS commented on 2011-05-16 21:35

X5 (MCF5250):
SVN /  FS#12117  FUN_RM_132.rm: 39.38MHz:4.77s / 35.42MHz:4.29s (+11.18%)


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