Add Apple Silicon (MPS) backend support via torch.mps#222
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Nripesh Niketan (NripeshN) wants to merge 1 commit into
Open
Add Apple Silicon (MPS) backend support via torch.mps#222Nripesh Niketan (NripeshN) wants to merge 1 commit into
Nripesh Niketan (NripeshN) wants to merge 1 commit into
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Introduces a unified device abstraction layer (`devices.py`) and updates all packages (ltx-core, ltx-pipelines, ltx-trainer) to support Metal Performance Shaders on Apple Silicon Macs alongside CUDA. Handles MPS- specific limitations such as missing ops by providing fallback paths and adapts memory management, attention, quantization, and block streaming logic for the MPS backend.
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Summary
packages/ltx-core/src/ltx_core/devices.py) that detects available backends (CUDA, MPS, CPU) and provides device-aware utilities for memory management, dtype selection, and op compatibility.ltx-core,ltx-pipelines,ltx-trainer) to route through the new device layer, enabling Metal Performance Shaders (MPS) support on Apple Silicon Macs.