This commit is contained in:
5684185+vsariola@users.noreply.github.com
2025-10-24 23:55:04 +03:00
parent fa7901c7c6
commit f92ecb2e99
12 changed files with 152 additions and 134 deletions

View File

@ -22,8 +22,8 @@ type NativeSynth struct {
cpuLoad sointu.CPULoad
}
func (s NativeSynther) Name() string { return "Native" }
func (s NativeSynther) SupportsParallelism() bool { return false }
func (s NativeSynther) Name() string { return "Native" }
func (s NativeSynther) SupportsMultithreading() bool { return false }
func (s NativeSynther) Synth(patch sointu.Patch, bpm int) (sointu.Synth, error) {
synth, err := Synth(patch, bpm)
@ -74,12 +74,12 @@ func Synth(patch sointu.Patch, bpm int) (*NativeSynth, error) {
func (s *NativeSynth) Close() {}
func (s *NativeSynth) NumCores() int { return 1 }
func (s *NativeSynth) CPULoad(loads []sointu.CPULoad) {
func (s *NativeSynth) CPULoad(loads []sointu.CPULoad) int {
if len(loads) < 1 {
return
return 0
}
loads[0] = s.cpuLoad
return 1
}
// Render renders until the buffer is full or the modulated time is reached, whichever

View File

@ -95,8 +95,8 @@ success:
f.Read(su_sample_table[:])
}
func (s GoSynther) Name() string { return "Go" }
func (s GoSynther) SupportsParallelism() bool { return false }
func (s GoSynther) Name() string { return "Go" }
func (s GoSynther) SupportsMultithreading() bool { return false }
func (s GoSynther) Synth(patch sointu.Patch, bpm int) (sointu.Synth, error) {
bytecode, err := NewBytecode(patch, AllFeatures{}, bpm)
@ -120,12 +120,12 @@ func (s *GoSynth) Release(voiceIndex int) {
func (s *GoSynth) Close() {}
func (s *GoSynth) NumCores() int { return 1 }
func (s *GoSynth) CPULoad(loads []sointu.CPULoad) {
func (s *GoSynth) CPULoad(loads []sointu.CPULoad) int {
if len(loads) < 1 {
return
return 0
}
loads[0] = s.cpuLoad
return 1
}
func (s *GoSynth) Update(patch sointu.Patch, bpm int) error {

View File

@ -10,29 +10,29 @@ import (
)
type (
ParallelSynth struct {
MultithreadSynth struct {
voiceMapping voiceMapping
synths []sointu.Synth
commands chan<- parallelSynthCommand // maxtime
results <-chan parallelSynthResult // rendered buffer
commands chan<- multithreadSynthCommand // maxtime
results <-chan multithreadSynthResult // rendered buffer
pool sync.Pool
synther sointu.Synther
}
ParallelSynther struct {
MultithreadSynther struct {
synther sointu.Synther
name string
}
voiceMapping [MAX_CORES][MAX_VOICES]int
voiceMapping [MAX_THREADS][MAX_VOICES]int
parallelSynthCommand struct {
multithreadSynthCommand struct {
core int
samples int
time int
}
parallelSynthResult struct {
multithreadSynthResult struct {
buffer *sointu.AudioBuffer
samples int
time int
@ -40,16 +40,16 @@ type (
}
)
const MAX_CORES = 4
const MAX_THREADS = 4
func MakeParallelSynther(synther sointu.Synther) ParallelSynther {
return ParallelSynther{synther: synther, name: "Parallel " + synther.Name()}
func MakeMultithreadSynther(synther sointu.Synther) MultithreadSynther {
return MultithreadSynther{synther: synther, name: "Multithread " + synther.Name()}
}
func (s ParallelSynther) Name() string { return s.name }
func (s ParallelSynther) SupportsParallelism() bool { return true }
func (s MultithreadSynther) Name() string { return s.name }
func (s MultithreadSynther) SupportsMultithreading() bool { return true }
func (s ParallelSynther) Synth(patch sointu.Patch, bpm int) (sointu.Synth, error) {
func (s MultithreadSynther) Synth(patch sointu.Patch, bpm int) (sointu.Synth, error) {
patches, voiceMapping := splitPatchByCores(patch)
synths := make([]sointu.Synth, 0, len(patches))
for _, p := range patches {
@ -59,7 +59,7 @@ func (s ParallelSynther) Synth(patch sointu.Patch, bpm int) (sointu.Synth, error
}
synths = append(synths, synth)
}
ret := &ParallelSynth{
ret := &MultithreadSynth{
synths: synths,
voiceMapping: voiceMapping,
pool: sync.Pool{New: func() any { ret := make(sointu.AudioBuffer, 0, 8096); return &ret }},
@ -69,7 +69,7 @@ func (s ParallelSynther) Synth(patch sointu.Patch, bpm int) (sointu.Synth, error
return ret, nil
}
func (s *ParallelSynth) Update(patch sointu.Patch, bpm int) error {
func (s *MultithreadSynth) Update(patch sointu.Patch, bpm int) error {
patches, voiceMapping := splitPatchByCores(patch)
if s.voiceMapping != voiceMapping {
s.voiceMapping = voiceMapping
@ -93,37 +93,37 @@ func (s *ParallelSynth) Update(patch sointu.Patch, bpm int) error {
return nil
}
func (s *ParallelSynth) startProcesses() {
func (s *MultithreadSynth) startProcesses() {
maxProcs := runtime.GOMAXPROCS(0)
cmdChan := make(chan parallelSynthCommand, maxProcs)
cmdChan := make(chan multithreadSynthCommand, maxProcs)
s.commands = cmdChan
resultsChan := make(chan parallelSynthResult, maxProcs)
resultsChan := make(chan multithreadSynthResult, maxProcs)
s.results = resultsChan
for i := 0; i < maxProcs; i++ {
go func(commandCh <-chan parallelSynthCommand, resultCh chan<- parallelSynthResult) {
go func(commandCh <-chan multithreadSynthCommand, resultCh chan<- multithreadSynthResult) {
for cmd := range commandCh {
buffer := s.pool.Get().(*sointu.AudioBuffer)
*buffer = append(*buffer, make(sointu.AudioBuffer, cmd.samples)...)
samples, time, renderError := s.synths[cmd.core].Render(*buffer, cmd.time)
resultCh <- parallelSynthResult{buffer: buffer, samples: samples, time: time, renderError: renderError}
resultCh <- multithreadSynthResult{buffer: buffer, samples: samples, time: time, renderError: renderError}
}
}(cmdChan, resultsChan)
}
}
func (s *ParallelSynth) Close() {
func (s *MultithreadSynth) Close() {
close(s.commands)
s.closeSynths()
}
func (s *ParallelSynth) closeSynths() {
func (s *MultithreadSynth) closeSynths() {
for _, synth := range s.synths {
synth.Close()
}
s.synths = s.synths[:0]
}
func (s *ParallelSynth) Trigger(voiceIndex int, note byte) {
func (s *MultithreadSynth) Trigger(voiceIndex int, note byte) {
for core, synth := range s.synths {
if ind := s.voiceMapping[core][voiceIndex]; ind >= 0 {
synth.Trigger(ind, note)
@ -131,7 +131,7 @@ func (s *ParallelSynth) Trigger(voiceIndex int, note byte) {
}
}
func (s *ParallelSynth) Release(voiceIndex int) {
func (s *MultithreadSynth) Release(voiceIndex int) {
for core, synth := range s.synths {
if ind := s.voiceMapping[core][voiceIndex]; ind >= 0 {
synth.Release(ind)
@ -139,27 +139,22 @@ func (s *ParallelSynth) Release(voiceIndex int) {
}
}
func (s *ParallelSynth) NumCores() (coreCount int) {
for i := range s.synths {
coreCount += s.synths[i].NumCores()
func (s *MultithreadSynth) CPULoad(loads []sointu.CPULoad) (elems int) {
for _, synth := range s.synths {
n := synth.CPULoad(loads)
elems += n
loads = loads[n:]
if len(loads) <= 0 {
return
}
}
return
}
func (s *ParallelSynth) CPULoad(loads []sointu.CPULoad) {
for _, synth := range s.synths {
synth.CPULoad(loads)
if len(loads) <= synth.NumCores() {
return
}
loads = loads[synth.NumCores():]
}
}
func (s *ParallelSynth) Render(buffer sointu.AudioBuffer, maxtime int) (samples int, time int, renderError error) {
func (s *MultithreadSynth) Render(buffer sointu.AudioBuffer, maxtime int) (samples int, time int, renderError error) {
count := len(s.synths)
for i := 0; i < count; i++ {
s.commands <- parallelSynthCommand{core: i, samples: len(buffer), time: maxtime}
s.commands <- multithreadSynthCommand{core: i, samples: len(buffer), time: maxtime}
}
clear(buffer)
samples = math.MaxInt
@ -187,15 +182,15 @@ func (s *ParallelSynth) Render(buffer sointu.AudioBuffer, maxtime int) (samples
func splitPatchByCores(patch sointu.Patch) ([]sointu.Patch, voiceMapping) {
cores := 1
for _, instr := range patch {
cores = max(bits.Len((uint)(instr.CoreMaskM1+1)), cores)
cores = max(bits.Len((uint)(instr.ThreadMaskM1+1)), cores)
}
cores = min(cores, MAX_CORES)
cores = min(cores, MAX_THREADS)
ret := make([]sointu.Patch, cores)
for c := 0; c < cores; c++ {
ret[c] = make(sointu.Patch, 0, len(patch))
}
var voicemapping [MAX_CORES][MAX_VOICES]int
for c := 0; c < MAX_CORES; c++ {
var voicemapping [MAX_THREADS][MAX_VOICES]int
for c := 0; c < MAX_THREADS; c++ {
for j := 0; j < MAX_VOICES; j++ {
voicemapping[c][j] = -1
}
@ -204,7 +199,7 @@ func splitPatchByCores(patch sointu.Patch) ([]sointu.Patch, voiceMapping) {
coreVoice := 0
curVoice := 0
for _, instr := range patch {
mask := instr.CoreMaskM1 + 1
mask := instr.ThreadMaskM1 + 1
if mask&(1<<c) != 0 {
ret[c] = append(ret[c], instr)
for j := 0; j < instr.NumVoices; j++ {