diff options
Diffstat (limited to 'meta-openembedded/meta-multimedia/recipes-multimedia/fluidsynth/fluidsynth/0003-Use-ARM-NEON-accelaration-for-float-multithreaded-se.patch')
-rw-r--r-- | meta-openembedded/meta-multimedia/recipes-multimedia/fluidsynth/fluidsynth/0003-Use-ARM-NEON-accelaration-for-float-multithreaded-se.patch | 304 |
1 files changed, 304 insertions, 0 deletions
diff --git a/meta-openembedded/meta-multimedia/recipes-multimedia/fluidsynth/fluidsynth/0003-Use-ARM-NEON-accelaration-for-float-multithreaded-se.patch b/meta-openembedded/meta-multimedia/recipes-multimedia/fluidsynth/fluidsynth/0003-Use-ARM-NEON-accelaration-for-float-multithreaded-se.patch new file mode 100644 index 000000000..ead099545 --- /dev/null +++ b/meta-openembedded/meta-multimedia/recipes-multimedia/fluidsynth/fluidsynth/0003-Use-ARM-NEON-accelaration-for-float-multithreaded-se.patch @@ -0,0 +1,304 @@ +From 947f79f97a5fa6547d99bff282606026632e010b Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Andreas=20M=C3=BCller?= <schnitzeltony@gmail.com> +Date: Sat, 13 Oct 2018 23:01:11 +0200 +Subject: [PATCH] Use ARM-NEON accelaration for float-multithreaded setups + +Profiling shows a considerable performance win. See estimated number of voices: +They increase from ~471 to ~513 which makes a ~9% win: + +******************************************************************************* +WITHOUT ARM NEON: +******************************************************************************* + +morona@raspberrypi3:~$ fluidsynth -o synth.cpu-cores=4 -o synth.chorus.active=0 -o synth.reverb.active=0 /usr/share/sf2/fluidr3gm.sf2 +> prof_set_print 1 +> prof_set_notes 10 +> prof_start 3 10000 +Generating 10 notes, generated voices:20 +Number of measures(n_prof):3, duration of one mesure(dur):10000ms + +Profiling time(mm:ss): Total=0:30 Remainder=0:30, press <ENTER> to cancel + ------------------------------------------------------------------------------ + Duration(microsecond) and cpu loads(%) (sr: 48000 Hz, sp: 20.83 microsecond) + ------------------------------------------------------------------------------ + Code under profiling |Voices| Duration (microsecond) | Load(%) + | nbr| min| avg| max| + ---------------------------|------|--------------------------------|---------- + synth_write_* ------------>| 20| 112.00| 118.96| 206.00| 4.461 + synth_one_block ---------->| 20| 109.00| 116.44| 196.00| 4.367 + synth_one_block:clear ---->| 20| 1.00| 1.67| 18.00| 0.063 + synth_one_block:one voice->| 1| 11.00| 12.36| 58.00| 0.463 + synth_one_block:all voices>| 20| 107.00| 113.47| 187.00| 4.255 + synth_one_block:reverb --->| no profiling available + synth_one_block:chorus --->| no profiling available + voice:note --------------->| no profiling available + voice:release ------------>| no profiling available + ------------------------------------------------------------------------------ + Cpu loads(%) (sr: 48000 Hz, sp: 20.83 microsecond) and maximum voices + ------------------------------------------------------------------------------ + nVoices| total(%)|voices(%)| reverb(%)|chorus(%)| voice(%)|estimated maxVoices + -------|---------|---------|----------|---------|---------|------------------- + 20| 4.461| 4.461| 0.000| 0.000| 0.213| 470 + +Profiling time(mm:ss): Total=0:30 Remainder=0:20, press <ENTER> to cancel + ------------------------------------------------------------------------------ + Duration(microsecond) and cpu loads(%) (sr: 48000 Hz, sp: 20.83 microsecond) + ------------------------------------------------------------------------------ + Code under profiling |Voices| Duration (microsecond) | Load(%) + | nbr| min| avg| max| + ---------------------------|------|--------------------------------|---------- + synth_write_* ------------>| 20| 112.00| 118.42| 216.00| 4.441 + synth_one_block ---------->| 20| 109.00| 115.91| 205.00| 4.347 + synth_one_block:clear ---->| 20| 1.00| 1.65| 18.00| 0.062 + synth_one_block:one voice->| 1| 11.00| 12.30| 58.00| 0.461 + synth_one_block:all voices>| 20| 107.00| 112.98| 197.00| 4.237 + synth_one_block:reverb --->| no profiling available + synth_one_block:chorus --->| no profiling available + voice:note --------------->| no profiling available + voice:release ------------>| no profiling available + ------------------------------------------------------------------------------ + Cpu loads(%) (sr: 48000 Hz, sp: 20.83 microsecond) and maximum voices + ------------------------------------------------------------------------------ + nVoices| total(%)|voices(%)| reverb(%)|chorus(%)| voice(%)|estimated maxVoices + -------|---------|---------|----------|---------|---------|------------------- + 20| 4.441| 4.441| 0.000| 0.000| 0.212| 472 + +Profiling time(mm:ss): Total=0:30 Remainder=0:10, press <ENTER> to cancel + ------------------------------------------------------------------------------ + Duration(microsecond) and cpu loads(%) (sr: 48000 Hz, sp: 20.83 microsecond) + ------------------------------------------------------------------------------ + Code under profiling |Voices| Duration (microsecond) | Load(%) + | nbr| min| avg| max| + ---------------------------|------|--------------------------------|---------- + synth_write_* ------------>| 20| 112.00| 118.64| 244.00| 4.449 + synth_one_block ---------->| 20| 109.00| 116.12| 234.00| 4.355 + synth_one_block:clear ---->| 20| 1.00| 1.67| 37.00| 0.062 + synth_one_block:one voice->| 1| 11.00| 12.31| 63.00| 0.462 + synth_one_block:all voices>| 20| 107.00| 113.18| 214.00| 4.244 + synth_one_block:reverb --->| no profiling available + synth_one_block:chorus --->| no profiling available + voice:note --------------->| no profiling available + voice:release ------------>| no profiling available + ------------------------------------------------------------------------------ + Cpu loads(%) (sr: 48000 Hz, sp: 20.83 microsecond) and maximum voices + ------------------------------------------------------------------------------ + nVoices| total(%)|voices(%)| reverb(%)|chorus(%)| voice(%)|estimated maxVoices + -------|---------|---------|----------|---------|---------|------------------- + 20| 4.449| 4.449| 0.000| 0.000| 0.212| 471 +Stopping 20 voices...voices stopped. +> quit +cheers! +JackTemporaryException : now quits... +Jack main caught signal 2 +fluid_profiling_print +fluidsynth: Estimated times: min/avg/max (micro seconds) +fluidsynth: synth_write_* ------------>: 112.000/118.636/244.000 +fluidsynth: synth_one_block ---------->: 109.000/116.124/234.000 +fluidsynth: synth_one_block:clear ---->: 1.000/1.665/37.000 +fluidsynth: synth_one_block:one voice->: 11.000/12.309/63.000 +fluidsynth: synth_one_block:all voices>: 107.000/113.180/214.000 + +******************************************************************************* +WITH ARM NEON: +******************************************************************************* + +morona@raspberrypi3:~$ fluidsynth -o synth.cpu-cores=4 -o synth.chorus.active=0 -o synth.reverb.active=0 /usr/share/sf2/fluidr3gm.sf2 +> prof_set_print 1 +> prof_set_notes 10 +> prof_start 3 10000 +Generating 10 notes, generated voices:20 +Number of measures(n_prof):3, duration of one mesure(dur):10000ms + +Profiling time(mm:ss): Total=0:30 Remainder=0:30, press <ENTER> to cancel + ------------------------------------------------------------------------------ + Duration(microsecond) and cpu loads(%) (sr: 48000 Hz, sp: 20.83 microsecond) + ------------------------------------------------------------------------------ + Code under profiling |Voices| Duration (microsecond) | Load(%) + | nbr| min| avg| max| + ---------------------------|------|--------------------------------|---------- + synth_write_* ------------>| 20| 102.00| 109.21| 213.00| 4.095 + synth_one_block ---------->| 20| 99.00| 106.68| 201.00| 4.001 + synth_one_block:clear ---->| 20| 1.00| 1.64| 18.00| 0.062 + synth_one_block:one voice->| 1| 11.00| 12.30| 54.00| 0.461 + synth_one_block:all voices>| 20| 97.00| 103.71| 188.00| 3.889 + synth_one_block:reverb --->| no profiling available + synth_one_block:chorus --->| no profiling available + voice:note --------------->| no profiling available + voice:release ------------>| no profiling available + ------------------------------------------------------------------------------ + Cpu loads(%) (sr: 48000 Hz, sp: 20.83 microsecond) and maximum voices + ------------------------------------------------------------------------------ + nVoices| total(%)|voices(%)| reverb(%)|chorus(%)| voice(%)|estimated maxVoices + -------|---------|---------|----------|---------|---------|------------------- + 20| 4.095| 4.095| 0.000| 0.000| 0.194| 514 + +Profiling time(mm:ss): Total=0:30 Remainder=0:20, press <ENTER> to cancel + ------------------------------------------------------------------------------ + Duration(microsecond) and cpu loads(%) (sr: 48000 Hz, sp: 20.83 microsecond) + ------------------------------------------------------------------------------ + Code under profiling |Voices| Duration (microsecond) | Load(%) + | nbr| min| avg| max| + ---------------------------|------|--------------------------------|---------- + synth_write_* ------------>| 20| 102.00| 109.46| 278.00| 4.105 + synth_one_block ---------->| 20| 99.00| 106.91| 265.00| 4.009 + synth_one_block:clear ---->| 20| 1.00| 1.67| 22.00| 0.062 + synth_one_block:one voice->| 1| 11.00| 12.30| 54.00| 0.461 + synth_one_block:all voices>| 20| 97.00| 103.94| 251.00| 3.898 + synth_one_block:reverb --->| no profiling available + synth_one_block:chorus --->| no profiling available + voice:note --------------->| no profiling available + voice:release ------------>| no profiling available + ------------------------------------------------------------------------------ + Cpu loads(%) (sr: 48000 Hz, sp: 20.83 microsecond) and maximum voices + ------------------------------------------------------------------------------ + nVoices| total(%)|voices(%)| reverb(%)|chorus(%)| voice(%)|estimated maxVoices + -------|---------|---------|----------|---------|---------|------------------- + 20| 4.105| 4.105| 0.000| 0.000| 0.195| 513 + +Profiling time(mm:ss): Total=0:30 Remainder=0:10, press <ENTER> to cancel + ------------------------------------------------------------------------------ + Duration(microsecond) and cpu loads(%) (sr: 48000 Hz, sp: 20.83 microsecond) + ------------------------------------------------------------------------------ + Code under profiling |Voices| Duration (microsecond) | Load(%) + | nbr| min| avg| max| + ---------------------------|------|--------------------------------|---------- + synth_write_* ------------>| 20| 102.00| 109.22| 278.00| 4.096 + synth_one_block ---------->| 20| 99.00| 106.65| 265.00| 3.999 + synth_one_block:clear ---->| 20| 1.00| 1.67| 22.00| 0.062 + synth_one_block:one voice->| 1| 11.00| 12.31| 57.00| 0.462 + synth_one_block:all voices>| 20| 97.00| 103.68| 251.00| 3.888 + synth_one_block:reverb --->| no profiling available + synth_one_block:chorus --->| no profiling available + voice:note --------------->| no profiling available + voice:release ------------>| no profiling available + ------------------------------------------------------------------------------ + Cpu loads(%) (sr: 48000 Hz, sp: 20.83 microsecond) and maximum voices + ------------------------------------------------------------------------------ + nVoices| total(%)|voices(%)| reverb(%)|chorus(%)| voice(%)|estimated maxVoices + -------|---------|---------|----------|---------|---------|------------------- + 20| 4.096| 4.096| 0.000| 0.000| 0.194| 514 +Stopping 20 voices...voices stopped. +> quit +cheers! +JackTemporaryException : now quits... +Jack main caught signal 2 +fluid_profiling_print +fluidsynth: Estimated times: min/avg/max (micro seconds) +fluidsynth: synth_write_* ------------>: 102.000/109.216/278.000 +fluidsynth: synth_one_block ---------->: 99.000/106.649/265.000 +fluidsynth: synth_one_block:clear ---->: 1.000/1.666/22.000 +fluidsynth: synth_one_block:one voice->: 11.000/12.307/57.000 +fluidsynth: synth_one_block:all voices>: 97.000/103.681/251.000 + +Upstream-Status: Inappropriate [embedded-specific] + +--- + src/rvoice/fluid_rvoice_mixer.c | 55 ++++++++++++++++++++++++++++++++- + 1 file changed, 54 insertions(+), 1 deletion(-) + +diff --git a/src/rvoice/fluid_rvoice_mixer.c b/src/rvoice/fluid_rvoice_mixer.c +index af0ef75d..07a357c7 100644 +--- a/src/rvoice/fluid_rvoice_mixer.c ++++ b/src/rvoice/fluid_rvoice_mixer.c +@@ -27,6 +27,9 @@ + #include "fluid_ladspa.h" + #include "fluid_synth.h" + ++#if defined(__ARM_NEON__) ++#include "arm_neon.h" ++#endif + + // If less than x voices, the thread overhead is larger than the gain, + // so don't activate the thread(s). +@@ -1053,9 +1056,15 @@ fluid_mixer_buffers_mix(fluid_mixer_buffers_t *dst, fluid_mixer_buffers_t *src, + int i, j; + int scount = current_blockcount * FLUID_BUFSIZE; + int minbuf; ++#if defined(__ARM_NEON__) && defined(WITH_FLOAT) ++ fluid_real_t *FLUID_RESTRICT base_src_left; ++ fluid_real_t *FLUID_RESTRICT base_src_right; ++ fluid_real_t *FLUID_RESTRICT base_dst_left; ++ fluid_real_t *FLUID_RESTRICT base_dst_right; ++#else + fluid_real_t *FLUID_RESTRICT base_src; + fluid_real_t *FLUID_RESTRICT base_dst; +- ++#endif + minbuf = dst->buf_count; + + if(minbuf > src->buf_count) +@@ -1063,6 +1072,27 @@ fluid_mixer_buffers_mix(fluid_mixer_buffers_t *dst, fluid_mixer_buffers_t *src, + minbuf = src->buf_count; + } + ++#if defined(__ARM_NEON__) && defined(WITH_FLOAT) ++ base_src_left = fluid_align_ptr(src->left_buf, FLUID_DEFAULT_ALIGNMENT); ++ base_dst_left = fluid_align_ptr(dst->left_buf, FLUID_DEFAULT_ALIGNMENT); ++ base_src_right = fluid_align_ptr(src->right_buf, FLUID_DEFAULT_ALIGNMENT); ++ base_dst_right = fluid_align_ptr(dst->right_buf, FLUID_DEFAULT_ALIGNMENT); ++ ++ for(i = 0; i < minbuf; i++) ++ { ++ for(j = 0; j < scount; j+=4) ++ { ++ int dsp_i = i * FLUID_MIXER_MAX_BUFFERS_DEFAULT * FLUID_BUFSIZE + j; ++ ++ float32x4_t vleft = vld1q_f32(&base_dst_left[dsp_i]); ++ float32x4_t vright = vld1q_f32(&base_dst_right[dsp_i]); ++ vleft = vaddq_f32(vleft, vld1q_f32(&base_src_left[dsp_i])); ++ vright = vaddq_f32(vright, vld1q_f32(&base_src_right[dsp_i])); ++ vst1q_f32(&base_dst_left[dsp_i], vleft); ++ vst1q_f32(&base_dst_right[dsp_i], vright); ++ } ++ } ++#else + base_src = fluid_align_ptr(src->left_buf, FLUID_DEFAULT_ALIGNMENT); + base_dst = fluid_align_ptr(dst->left_buf, FLUID_DEFAULT_ALIGNMENT); + +@@ -1090,6 +1120,7 @@ fluid_mixer_buffers_mix(fluid_mixer_buffers_t *dst, fluid_mixer_buffers_t *src, + base_dst[dsp_i] += base_src[dsp_i]; + } + } ++#endif + + minbuf = dst->fx_buf_count; + +@@ -1098,6 +1129,27 @@ fluid_mixer_buffers_mix(fluid_mixer_buffers_t *dst, fluid_mixer_buffers_t *src, + minbuf = src->fx_buf_count; + } + ++#if defined(__ARM_NEON__) && defined(WITH_FLOAT) ++ base_src_left = fluid_align_ptr(src->fx_left_buf, FLUID_DEFAULT_ALIGNMENT); ++ base_dst_left = fluid_align_ptr(dst->fx_left_buf, FLUID_DEFAULT_ALIGNMENT); ++ base_src_right = fluid_align_ptr(src->fx_right_buf, FLUID_DEFAULT_ALIGNMENT); ++ base_dst_right = fluid_align_ptr(dst->fx_right_buf, FLUID_DEFAULT_ALIGNMENT); ++ ++ for(i = 0; i < minbuf; i++) ++ { ++ for(j = 0; j < scount; j+=4) ++ { ++ int dsp_i = i * FLUID_MIXER_MAX_BUFFERS_DEFAULT * FLUID_BUFSIZE + j; ++ ++ float32x4_t vleft = vld1q_f32(&base_dst_left[dsp_i]); ++ float32x4_t vright = vld1q_f32(&base_dst_right[dsp_i]); ++ vleft = vaddq_f32(vleft, vld1q_f32(&base_src_left[dsp_i])); ++ vright = vaddq_f32(vright, vld1q_f32(&base_src_right[dsp_i])); ++ vst1q_f32(&base_dst_left[dsp_i], vleft); ++ vst1q_f32(&base_dst_right[dsp_i], vright); ++ } ++ } ++#else + base_src = fluid_align_ptr(src->fx_left_buf, FLUID_DEFAULT_ALIGNMENT); + base_dst = fluid_align_ptr(dst->fx_left_buf, FLUID_DEFAULT_ALIGNMENT); + +@@ -1125,6 +1177,7 @@ fluid_mixer_buffers_mix(fluid_mixer_buffers_t *dst, fluid_mixer_buffers_t *src, + base_dst[dsp_i] += base_src[dsp_i]; + } + } ++#endif + } + + +-- +2.20.1 + |