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Commit Graph

12 Commits

Author SHA1 Message Date
Michael Niedermayer
cb416a7d79 Merge commit '4c81613df499ba81d64ea102b38d0c6686cc304c'
* commit '4c81613df499ba81d64ea102b38d0c6686cc304c':
  arm: mlpdsp: handle pic offset calculation in a macro

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-12-10 00:51:26 +01:00
Michael Niedermayer
824932dc47 Merge commit '581c7f0e12b1fa39f73d683e54d6ecda0772c5a9'
* commit '581c7f0e12b1fa39f73d683e54d6ecda0772c5a9':
  arm: make ff_mlp_filter_channel_arm and ff_mlp_rematrix_channel_arm position independent

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-12-10 00:39:00 +01:00
Janne Grunau
4c81613df4 arm: mlpdsp: handle pic offset calculation in a macro
Makes the code easier to read since it hides different offset
calculations for arm and thumb mode.
2014-12-09 22:00:08 +01:00
Janne Grunau
581c7f0e12 arm: make ff_mlp_filter_channel_arm and ff_mlp_rematrix_channel_arm position independent
No significant difference in used cpu cycles on a cortex-a9.
2014-12-09 22:00:08 +01:00
Michael Niedermayer
d13effb0b4 Merge commit '7e18a727d2c2a19f22fcf68875d1b05fd2eafcef'
* commit '7e18a727d2c2a19f22fcf68875d1b05fd2eafcef':
  arm: cosmetics: Consistently use lowercase for shift operators

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-07-18 13:17:29 +02:00
Michael Niedermayer
cd4497d8c5 Merge commit 'fe67f3fbb5f9f6a6b60f837f6bc5e087ac11f3bf'
* commit 'fe67f3fbb5f9f6a6b60f837f6bc5e087ac11f3bf':
  arm: cosmetics: Fix a misaligned asm operand

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-07-18 12:44:03 +02:00
Martin Storsjö
7e18a727d2 arm: cosmetics: Consistently use lowercase for shift operators
Signed-off-by: Martin Storsjö <martin@martin.st>
2014-07-18 11:17:40 +03:00
Martin Storsjö
fe67f3fbb5 arm: cosmetics: Fix a misaligned asm operand
Signed-off-by: Martin Storsjö <martin@martin.st>
2014-07-18 11:17:35 +03:00
Ben Avison
89135716fd truehd: add hand-scheduled ARM asm version of ff_mlp_rematrix_channel.
Profiling results for overall audio decode and the rematrix_channels function
in particular are as follows:

              Before          After
              Mean   StdDev   Mean   StdDev  Confidence  Change
6:2 total     370.8  17.0     348.8  20.1    99.9%       +6.3%
6:2 function  46.4   8.4      45.8   6.6     18.0%       +1.2%  (insignificant)
8:2 total     343.2  19.0     339.1  15.4    54.7%       +1.2%  (insignificant)
8:2 function  38.9   3.9      40.2   6.9     52.4%       -3.2%  (insignificant)
6:6 total     658.4  15.7     604.6  20.8    100.0%      +8.9%
6:6 function  109.0  8.7      59.5   5.4     100.0%      +83.3%
8:8 total     896.2  24.5     766.4  17.6    100.0%      +16.9%
8:8 function  223.4  12.8     93.8   5.0     100.0%      +138.3%

The assembly version has also been tested with a fuzz tester to ensure that
any combinations of inputs not exercised by my available test streams still
generate mathematically identical results to the C version.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-03-26 20:50:05 +01:00
Michael Niedermayer
f38af0143c Merge commit '15a29c39d9ef15b0783c04b3228e1c55f6701ee3'
* commit '15a29c39d9ef15b0783c04b3228e1c55f6701ee3':
  truehd: add hand-scheduled ARM asm version of mlp_filter_channel.

Conflicts:
	libavcodec/arm/Makefile
	libavcodec/arm/mlpdsp_init_arm.c

See: 87b128d5ef
Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-03-26 20:39:10 +01:00
Ben Avison
483321fe78 truehd: add hand-scheduled ARM asm version of ff_mlp_rematrix_channel.
Profiling results for overall audio decode and the rematrix_channels function
in particular are as follows:

              Before          After
              Mean   StdDev   Mean   StdDev  Confidence  Change
6:2 total     370.8  17.0     348.8  20.1    99.9%       +6.3%
6:2 function  46.4   8.4      45.8   6.6     18.0%       +1.2%  (insignificant)
8:2 total     343.2  19.0     339.1  15.4    54.7%       +1.2%  (insignificant)
8:2 function  38.9   3.9      40.2   6.9     52.4%       -3.2%  (insignificant)
6:6 total     658.4  15.7     604.6  20.8    100.0%      +8.9%
6:6 function  109.0  8.7      59.5   5.4     100.0%      +83.3%
8:8 total     896.2  24.5     766.4  17.6    100.0%      +16.9%
8:8 function  223.4  12.8     93.8   5.0     100.0%      +138.3%

The assembly version has also been tested with a fuzz tester to ensure that
any combinations of inputs not exercised by my available test streams still
generate mathematically identical results to the C version.

Signed-off-by: Martin Storsjö <martin@martin.st>
2014-03-26 19:54:10 +02:00
Ben Avison
15a29c39d9 truehd: add hand-scheduled ARM asm version of mlp_filter_channel.
Profiling results for overall audio decode and the mlp_filter_channel(_arm)
function in particular are as follows:

              Before          After
              Mean   StdDev   Mean   StdDev  Confidence  Change
6:2 total     380.4  22.0     370.8  17.0    87.4%       +2.6%  (insignificant)
6:2 function  60.7   7.2      36.6   8.1     100.0%      +65.8%
8:2 total     357.0  17.5     343.2  19.0    97.8%       +4.0%  (insignificant)
8:2 function  60.3   8.8      37.3   3.8     100.0%      +61.8%
6:6 total     717.2  23.2     658.4  15.7    100.0%      +8.9%
6:6 function  140.4  12.9     81.5   9.2     100.0%      +72.4%
8:8 total     981.9  16.2     896.2  24.5    100.0%      +9.6%
8:8 function  193.4  15.0     103.3  11.5    100.0%      +87.2%

Experiments with adding preload instructions to this function yielded no
useful benefit, so these have not been included.

The assembly version has also been tested with a fuzz tester to ensure that
any combinations of inputs not exercised by my available test streams still
generate mathematically identical results to the C version.

Signed-off-by: Martin Storsjö <martin@martin.st>
2014-03-26 19:53:52 +02:00