[Safetensors]Add frombuffer for paddle

[changeyoung98]

PR Category

Execute Infrastructure

PR Types

New features

Description

pcard-67164
Bind frombuffer for safetensors.paddle.load.
This functions loads paddle tensor from bytes or buffer objects.

frombuffer(buffer, dtype, count=-1, offset=0)

Usage：

buffer = self.data.numpy().tobytes()
# default value of count and offset means to load the whole buffer.
tmp = paddle.base.core.frombuffer(buffer, self.data.dtype).reshape(self.shape)

[paddle-bot]

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