GGML MatMul Metal Integration #6832

Job	Run time
cargo-deny	21s
cargo-clippy (ubuntu-latest, stable)	2m 7s
linux (beta)	32m 44s
cargo-clippy (ubuntu-latest, beta)	2m 13s
warnings (1.75.0, ubuntu-latest)	2m 15s
cargo-clippy (ubuntu-latest, nightly)	2m 49s
linux (nightly)	35m 4s
warnings (1.75.0, macOS-latest)	40s
cargo-clippy (macOS-latest, stable)	2m 40s
warnings (beta, ubuntu-latest)	2m 12s
cargo-clippy (macOS-latest, beta)	2m 43s
cargo-clippy (macOS-latest, nightly)	2m 28s
warnings (beta, macOS-latest)	36s
	1h 28m 52s

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