pytorch

f21e77d9 - [mkldnn_matmul] enable mkldnn matmul for aarch64 bf16 devices (#83671)

[mkldnn_matmul] enable mkldnn matmul for aarch64 bf16 devices (#83671) this PR enables mkldnn matmul for aarch64 bf16 devices for both bf16 as well as fp32 input. This PR is dependent on cpuinfo commit update PR: https://github.com/pytorch/pytorch/pull/83620 Issue: https://github.com/pytorch/pytorch/issues/83594 Pull Request resolved: https://github.com/pytorch/pytorch/pull/83671 Approved by: https://github.com/malfet