For the complete documentation index, see llms.txt. Markdown versions of all pages are available by appending .md to any URL (e.g. /max/get-started.md).

Mojo function

naive_fa_decode_apple

def naive_fa_decode_apple[output_type: DType, k_t: MHAOperand, v_t: MHAOperand, mask_t: MHAMask, //, ragged: Bool = False, sink: Bool = False, _use_valid_length: Bool = False, _is_cache_length_accurate: Bool = False](q: LayoutTensor[element_layout=q.element_layout, layout_int_type=q.layout_int_type, linear_idx_type=q.linear_idx_type, masked=q.masked, alignment=q.alignment], k: k_t, v: v_t, mask_functor: mask_t, output: LayoutTensor[output_type, element_layout=output.element_layout, layout_int_type=output.layout_int_type, linear_idx_type=output.linear_idx_type, masked=output.masked, alignment=output.alignment], valid_length: LayoutTensor[DType.uint32, element_layout=valid_length.element_layout, layout_int_type=valid_length.layout_int_type, linear_idx_type=valid_length.linear_idx_type, masked=valid_length.masked, alignment=valid_length.alignment], scale: Float32, batch_size: Int, max_prompt_len: Int, max_cache_size: Int, num_heads: Int, depth: Int, group: Int, ctx: DeviceContext, sink_weights: OptionalReg[LayoutTensor[q.dtype, Layout.row_major(Int(-1)), ImmutAnyOrigin]] = None)

Host launcher for the Apple split-K decode attention pair (decode-only).