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Mojo struct

GroupedBlockScaledSmem

struct GroupedBlockScaledSmem[a_type: DType, b_type: DType, c_type: DType, sfa_dtype: DType, sfb_dtype: DType, transpose_b: Bool, *, config: BlockScaledMatmulConfig[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b]]

SMEM struct for grouped block-scaled GEMM.

Thin wrapper over BlockScaledTileCore + SmemPipelineBundle + TMA descriptors.

Layout in SMEM:

  1. Tile storage (via core) — A, B, C, SFA, SFB tiles
  2. Pipeline barriers
  3. Tensormap descriptors (5 x 128 bytes = 640 bytes)

Fields

  • core (GroupedBlockScaledSmem[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b, config=config].Core):
  • pipelines (GroupedBlockScaledSmem[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b, config=config].Pipelines):
  • tensormap_a (TMADescriptor):
  • tensormap_b (TMADescriptor):
  • tensormap_sfa (TMADescriptor):
  • tensormap_sfb (TMADescriptor):
  • tensormap_c (TMADescriptor):

Implemented traits

AnyType, ImplicitlyDestructible

comptime members

Core

comptime Core = BlockScaledTileCore[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b, config=config]

Pipelines

comptime Pipelines = SmemPipelineBundle[GroupedBlockScaledSmem[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b, config=config].Core.num_group_pipeline_stages, GroupedBlockScaledSmem[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b, config=config].Core.num_accum_pipeline_stages, config.num_clc_pipeline_stages, BlockScaledTilePayload[a_type, b_type, sfa_dtype, sfb_dtype, IndexList(BlockScaledTileCore[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b, config=config].BM, BlockScaledTileCore[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b, config=config].BK, __list_literal__=Tuple()), IndexList(BlockScaledTileCore[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b, config=config].BN, BlockScaledTileCore[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b, config=config].BK, __list_literal__=Tuple()), IndexList(BlockScaledTileCore[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b, config=config].SFA_DIM0, BlockScaledTileCore[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b, config=config].SFA_DIM1, __list_literal__=Tuple()), IndexList(BlockScaledTileCore[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b, config=config].SFB_DIM0, BlockScaledTileCore[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b, config=config].SFB_DIM1, __list_literal__=Tuple()), BlockScaledTileCore[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b, config=config].num_pipeline_stages]]

Methods

a_tiles

a_tiles(ref[AddressSpace._value] self) -> GroupedBlockScaledSmem[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b, config=config].Core.ATileArray

Get A tile array accessor.

Returns:

GroupedBlockScaledSmem

b_tiles

b_tiles(ref[AddressSpace._value] self) -> GroupedBlockScaledSmem[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b, config=config].Core.BTileArray

Get B tile array accessor.

Returns:

GroupedBlockScaledSmem

c_tiles

c_tiles(ref[AddressSpace._value] self) -> GroupedBlockScaledSmem[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b, config=config].Core.CTileArray

Get C tile array accessor.

Returns:

GroupedBlockScaledSmem

sfa_tiles

sfa_tiles(ref[AddressSpace._value] self) -> GroupedBlockScaledSmem[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b, config=config].Core.SFATileArray

Get SFA tile array accessor.

Returns:

GroupedBlockScaledSmem

sfb_tiles

sfb_tiles(ref[AddressSpace._value] self) -> GroupedBlockScaledSmem[a_type, b_type, c_type, sfa_dtype, sfb_dtype, transpose_b, config=config].Core.SFBTileArray

Get SFB tile array accessor.

Returns:

GroupedBlockScaledSmem

tensormap_storage_size

static tensormap_storage_size() -> Int

Size of tensormap storage in bytes (5 x 128 = 640 bytes).

Returns:

Int

total_tile_size

static total_tile_size() -> Int

Total tile storage size (A+B+SFA+SFB+C) in elements.

Returns:

Int

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