TTAttr

ArchAttr

TT Arch

Syntax:

#tt.arch<
  ::mlir::tt::Arch   # value
>

Enum cases:

• grayskull (Grayskull)
• wormhole_b0 (WormholeB0)
• blackhole (Blackhole)

Parameters:

Parameter	C++ type	Description
value	::mlir::tt::Arch	an enum of type Arch

ChipCapabilityAttr

TT Chip Capabilities

Syntax:

#tt.Chip_capability<
  ::mlir::tt::ChipCapability   # value
>

Enum cases:

• pcie (PCIE)
• host_mmio (HostMMIO)

Parameters:

Parameter	C++ type	Description
value	::mlir::tt::ChipCapability	an enum of type ChipCapability

ChipChannelAttr

TT chip_channel attribute

Syntax:

#tt.chip_channel<
  unsigned,   # endpoint0
  unsigned   # endpoint1
>

TT chip_channel attribute

Parameters:

Parameter	C++ type	Description
endpoint0	unsigned
endpoint1	unsigned

ChipCoordAttr

TT chip_coord attribute

Syntax:

#tt.chip_coord<
  unsigned,   # rack
  unsigned,   # shelf
  unsigned,   # y
  unsigned   # x
>

TT chip_coord attribute

Parameters:

Parameter	C++ type	Description
rack	unsigned
shelf	unsigned
y	unsigned
x	unsigned

ChipDescAttr

TT chip_desc attribute

Syntax:

#tt.chip_desc<
  ArchAttr,   # arch
  ::mlir::tt::GridAttr,   # grid
  unsigned,   # l1Size
  unsigned,   # numDramChannels
  unsigned   # dramChannelSize
>

TT chip_desc attribute

Parameters:

Parameter	C++ type	Description
arch	ArchAttr
grid	::mlir::tt::GridAttr	TT grid attribute
l1Size	unsigned
numDramChannels	unsigned
dramChannelSize	unsigned

GridAttr

TT grid attribute

Syntax:

#tt.grid<
  ::llvm::ArrayRef<int64_t>,   # shape
  AffineMap   # physical_grid_mapping
>

TT grid attribute

Parameters:

Parameter	C++ type	Description
shape	::llvm::ArrayRef<int64_t>
physical_grid_mapping	AffineMap

IteratorTypeAttr

TT IteratorType

Syntax:

#tt.iterator_type<
  ::mlir::tt::IteratorType   # value
>

Enum cases:

• parallel (Parallel)
• systolic (Systolic)
• broadcast (Broadcast)

Parameters:

Parameter	C++ type	Description
value	::mlir::tt::IteratorType	an enum of type IteratorType

LayoutAttr

TT layout attribute

Syntax:

#tt.layout<
  ::llvm::ArrayRef<int64_t>,   # strides
  OOBVal,   # oob_val
  GridAttr,   # grid
  MemRefType   # memref
>

TT layout attribute

Parameters:

Parameter	C++ type	Description
strides	::llvm::ArrayRef<int64_t>
oob_val	OOBVal
grid	GridAttr
memref	MemRefType

MemorySpaceAttr

TT MemorySpace

Syntax:

#tt.memory_space<
  ::mlir::tt::MemorySpace   # value
>

Enum cases:

• system (System)
• mmio (SystemMMIO)
• dram (DeviceDRAM)
• l1 (DeviceL1)

Parameters:

Parameter	C++ type	Description
value	::mlir::tt::MemorySpace	an enum of type MemorySpace

OOBValAttr

TT OOBVal

Syntax:

#tt.oob_val<
  ::mlir::tt::OOBVal   # value
>

Enum cases:

• undef (Undef)
• zero (Zero)
• one (One)
• inf (Inf)
• neginf (NegInf)

Parameters:

Parameter	C++ type	Description
value	::mlir::tt::OOBVal	an enum of type OOBVal

OperandConstraintAttr

TT Operand Constraints

Syntax:

#tt.operand_constraint<
  ::mlir::tt::OperandConstraint   # value
>

Enum cases:

• system (System)
• dram (DRAM)
• l1 (L1)
• scalar (Scalar)
• tile (Tile)
• any (Any)
• any_device (AnyDevice)
• any_device_tile (AnyDeviceTile)

Parameters:

Parameter	C++ type	Description
value	::mlir::tt::OperandConstraint	an enum of type OperandConstraint

SystemDescAttr

TT system_desc attribute

Syntax:

#tt.system_desc<
  ::llvm::ArrayRef<ChipDescAttr>,   # chipDescs
  ::llvm::ArrayRef<unsigned>,   # chipDescIndices
  ::llvm::ArrayRef<ChipCapabilityAttr>,   # chipCapabilities
  ::llvm::ArrayRef<ChipCoordAttr>,   # chipCoords
  ::llvm::ArrayRef<ChipChannelAttr>   # chipChannels
>

TT system_desc attribute

Parameters:

Parameter	C++ type	Description
chipDescs	::llvm::ArrayRef<ChipDescAttr>
chipDescIndices	::llvm::ArrayRef<unsigned>
chipCapabilities	::llvm::ArrayRef<ChipCapabilityAttr>
chipCoords	::llvm::ArrayRef<ChipCoordAttr>
chipChannels	::llvm::ArrayRef<ChipChannelAttr>