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sbc: add iwmmxt optimization for sbc for pxa series cpu

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Benchmarked on ARM PXA platform:
===  Before (4 bands) ====
$ time  ./sbcenc_orig  -s 4     long.au  > /dev/null
real    0m 2.44s
user    0m 2.39s
sys     0m 0.05s
===  After (4 bands) ====
$ time  ./sbcenc  -s 4     long.au  > /dev/null
real    0m 1.59s
user    0m 1.49s
sys     0m 0.10s

===  Before (8 bands) ====
$ time  ./sbcenc_orig   -s 8     long.au  > /dev/null
real    0m 4.05s
user    0m 3.98s
sys     0m 0.07s
===  After (8 bands) ====
$ time  ./sbcenc  -s 8     long.au  > /dev/null
real    0m 1.48s
user    0m 1.41s
sys     0m 0.06s

===  Before (a2dp usage) ====
$ time  ./sbcenc_orig   -b53 -s8 -j    long.au  > /dev/null
real    0m 4.51s
user    0m 4.41s
sys     0m 0.10s
===  After (a2dp usage) ====
$ time  ./sbcenc   -b53 -s8 -j    long.au  > /dev/null
real    0m 2.05s
user    0m 1.99s
sys     0m 0.06s
This commit is contained in:
Siarhei Siamashka 2011-03-14 15:37:42 -03:00 • committed by Luiz Augusto von Dentz
parent 82ef8346d8
commit ee93eff6b7
4 changed files with 351 additions and 1 deletions
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2
src/Makefile.am
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@ -1820,7 +1820,7 @@ module_bluetooth_discover_la_LDFLAGS = $(MODULE_LDFLAGS)
module_bluetooth_discover_la_LIBADD = $(MODULE_LIBADD) $(DBUS_LIBS) libbluetooth-util.la
module_bluetooth_discover_la_CFLAGS = $(AM_CFLAGS) $(DBUS_CFLAGS)
libbluetooth_sbc_la_SOURCES = modules/bluetooth/sbc/sbc.c modules/bluetooth/sbc/sbc.h modules/bluetooth/sbc/sbc_tables.h modules/bluetooth/sbc/sbc_math.h modules/bluetooth/sbc/sbc_primitives.h modules/bluetooth/sbc/sbc_primitives.c modules/bluetooth/sbc/sbc_primitives_mmx.h modules/bluetooth/sbc/sbc_primitives_neon.h modules/bluetooth/sbc/sbc_primitives_mmx.c modules/bluetooth/sbc/sbc_primitives_neon.c modules/bluetooth/sbc/sbc_primitives_armv6.c
libbluetooth_sbc_la_SOURCES = modules/bluetooth/sbc/sbc.c modules/bluetooth/sbc/sbc.h modules/bluetooth/sbc/sbc_tables.h modules/bluetooth/sbc/sbc_math.h modules/bluetooth/sbc/sbc_primitives.h modules/bluetooth/sbc/sbc_primitives.c modules/bluetooth/sbc/sbc_primitives_mmx.h modules/bluetooth/sbc/sbc_primitives_neon.h modules/bluetooth/sbc/sbc_primitives_mmx.c modules/bluetooth/sbc/sbc_primitives_neon.c modules/bluetooth/sbc/sbc_primitives_armv6.c modules/bluetooth/sbc/sbc_primitives_iwmmxt.c
libbluetooth_sbc_la_LDFLAGS = -avoid-version
libbluetooth_sbc_la_LIBADD = $(MODULE_LIBADD)
libbluetooth_sbc_la_CFLAGS = $(AM_CFLAGS)