voice_audio_multi/docs/reports/depthwise_conv1d_performance.md

Depthwise Conv1d Performance

Measured with audiocpp_cli path-test compare results from:

• Baseline: build/logs/audiocpp_cli_path_tests/depthwise_global_baseline_cuda_20260709
• Current: build/logs/audiocpp_cli_path_tests/depthwise_global_current_cuda_20260709

Model	Case	Current	Baseline	Change
Citrinet ASR	citrinet_asr_offline	84.098 ms	125.806 ms	-33.15%
Higgs Audio STT	higgs_audio_stt_paths	1095.766 ms	1147.252 ms	-4.49%
Hviske ASR	hviske_asr_paths	756.612 ms	833.027 ms	-9.17%
MarbleNet VAD	marblenet_vad_offline	95.773 ms	108.697 ms	-11.89%
MioCodec	miocodec_voice_conversion	125.813 ms	152.905 ms	-17.72%
MioTTS	miotts_long_text_voice_clone	2650.393 ms	2714.406 ms	-2.36%
Nemotron ASR	nemotron_asr_offline_paths	119.746 ms	138.110 ms	-13.30%
Nemotron ASR	nemotron_asr_streaming_paths	176.851 ms	186.050 ms	-4.94%
SeedVC	seed_vc_v2_vc_long_bigvgan	2455.385 ms	2466.754 ms	-0.46%
SeedVC	seed_vc_v1_svc_long_rmvpe_bigvgan	24285.678 ms	24327.151 ms	-0.17%
SeedVC	seed_vc_v1_whisper_bigvgan_vc	1114.114 ms	1146.564 ms	-2.83%
SeedVC	seed_vc_v1_xlsr_hift_vc	617.485 ms	654.602 ms	-5.67%
Sortformer Diar	sortformer_diar_offline	48.584 ms	68.528 ms	-29.10%
Vevo2	vevo2_s2s_routes	752.936 ms	770.326 ms	-2.26%
Vevo2	vevo2_svc_routes	6945.930 ms	7268.863 ms	-4.44%
Vevo2	vevo2_tts_routes	4291.218 ms	7642.226 ms	-43.85%
Vevo2	vevo2_vc_routes	1253.280 ms	1273.592 ms	-1.59%
VibeVoice ASR	vibevoice_asr_paths	4171.806 ms	4779.468 ms	-12.71%
VibeVoice ASR	vibevoice_asr_structured_segments	2339.892 ms	2524.570 ms	-7.32%
VibeVoice TTS	vibevoice_two_speaker_long	6699.695 ms	7770.973 ms	-13.79%
VoxCPM2	voxcpm2_streaming_voice_design	1479.823 ms	1591.221 ms	-7.00%
VoxCPM2	voxcpm2_tts_voice_design	1033.134 ms	1123.794 ms	-8.07%
VoxCPM2	voxcpm2_voice_clone	1192.802 ms	1358.717 ms	-12.21%

CPU unit-test module timings:

Shape source	Shape	Old lowering	New lowering	Change
MioCodec block	B=1, C=384, T=2048, K=7	8.22533 ms	3.13917 ms	-61.8%
MioCodec batched	B=4, C=384, T=1024, K=7	15.1191 ms	5.89447 ms	-61.0%
Nemotron encoder	B=1, C=1024, T=1024, K=9	10.6603 ms	1.60797 ms	-84.9%