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Use new OpenVINO Python API features #2

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merged 4 commits into from
Sep 20, 2023
Merged

Use new OpenVINO Python API features #2

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a6ab641
Apply optimizations and new indexing
Jun 2, 2023
6873608
Change args
Jun 29, 2023
f9fb25b
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Sep 19, 2023
a6e0b75
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Sep 19, 2023
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Apply optimizations and new indexing
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jiwaszki committed Jun 2, 2023
commit a6ab6418e447f3dfb5e81c8c2c53c1a1e79a8ed7
24 changes: 14 additions & 10 deletions whisper/model.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@
from torch import nn

from huggingface_hub import hf_hub_download
from openvino.runtime import Core
from openvino.runtime import Core, ReturnPolicy

from .transcribe import transcribe as transcribe_function
from .decoding import detect_language as detect_language_function, decode as decode_function
Expand Down Expand Up @@ -39,8 +39,12 @@ def __init__(self, model: str):
self.model = self.core.compile_model(self._model, "CPU")

def forward(self, x: Tensor):
result = self.model.infer_new_request(x.numpy())
return torch.from_numpy(next(iter(result.values())))
result = self.model(
x,
shared_memory=True,
return_policy=ReturnPolicy.VIEW,
)
return torch.from_numpy(result[0])


class OpenVinoTextDecoder(nn.Module):
Expand All @@ -55,17 +59,17 @@ def __init__(self, model: str):
self.model = self.core.compile_model(self._model, "CPU")

def forward(self, x: Tensor, xa: Union[Tensor, np.ndarray], kv_cache: Tensor, offset: int):
if torch.is_tensor(xa):
xa = xa.numpy()
output, kv_cache = self.model.infer_new_request(
output = self.model(
{
"tokens": x.numpy(),
"tokens": x,
"audio_features": xa,
"kv_cache": kv_cache,
"offset": np.array(offset, dtype=int),
}
).values()
return torch.from_numpy(output), kv_cache
},
shared_memory=True,
return_policy=ReturnPolicy.VIEW,
)
return torch.from_numpy(output["logits"]), output["output_kv_cache"]


class Whisper(nn.Module):
Expand Down