Skip to content

add use gpu(torch.jit.script to zipformer encoder) #346

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
whaozl wants to merge 2 commits into
base: master
Choose a base branch
from
Open

add use gpu(torch.jit.script to zipformer encoder) #346

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
3fed7fb
add use gpu(torch.jit.script to zipformer encoder)
whaozl Mar 20, 2023
4c788a0
fix the code style
whaozl Mar 21, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 11 additions & 1 deletion sherpa/cpp_api/bin/online-recognizer.cc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -132,6 +132,12 @@ int32_t main(int32_t argc, char *argv[]) {
}

config.Validate();

if (config.use_gpu) {
config.feat_config.fbank_opts.device = torch::Device("cuda:0");
} else {
config.feat_config.fbank_opts.device = torch::Device("cpu");
}

SHERPA_CHECK_EQ(config.feat_config.fbank_opts.frame_opts.samp_freq,
expected_sample_rate)
Expand All @@ -147,6 +153,8 @@ int32_t main(int32_t argc, char *argv[]) {
torch::Tensor tail_padding = torch::zeros(
{static_cast<int32_t>(padding_seconds * expected_sample_rate)},
torch::kFloat);

tail_padding = tail_padding.to(config.feat_config.fbank_opts.device);

sherpa::OnlineRecognizer recognizer(config);
if (use_wav_scp) {
Expand Down Expand Up @@ -193,6 +201,7 @@ int32_t main(int32_t argc, char *argv[]) {
{d.NumCols()}, torch::kFloat) /
32768;
auto s = recognizer.CreateStream();
tensor = tensor.to(config.feat_config.fbank_opts.device);
s->AcceptWaveform(expected_sample_rate, tensor);
s->AcceptWaveform(expected_sample_rate, tail_padding);
s->InputFinished();
Expand Down Expand Up @@ -227,6 +236,7 @@ int32_t main(int32_t argc, char *argv[]) {
wave.index({torch::indexing::Slice(start, end)});
start = end;

samples = samples.to(config.feat_config.fbank_opts.device);
s->AcceptWaveform(expected_sample_rate, samples);

while (recognizer.IsReady(s.get())) {
Expand Down Expand Up @@ -265,7 +275,7 @@ int32_t main(int32_t argc, char *argv[]) {

torch::Tensor wave =
sherpa::ReadWave(po.GetArg(i), expected_sample_rate).first;

wave = wave.to(config.feat_config.fbank_opts.device);
s->AcceptWaveform(expected_sample_rate, wave);

s->AcceptWaveform(expected_sample_rate, tail_padding);
Expand Down