Index

Symbols

: IREE Virtual Machine executed at runtime to run the compiled VMFB\, [1] : Virtual Machine FlatBuffer: this is the default output format of files generated, [1] : Activation Unit : Application Programming Interface to create binary code for the Torq HW., [1] : Aritmetic Logic Unit : dialects are the mechanism used in MLIR to define new attributes, operations, and types, [1] : in compiler technology to lower means to rewrite complex operations in term of simpler ones, [1] : In MLIR passes represent the basic infrastructure for transformation and optimization of, [1] : in this context the code that implements a given layer or operation in a model. The words, [1] : Intermediate Representation, [1] : Intermediate Representation Execution Environment, based on MLIR\, [1]

: Machine Learning, [1] : Multi-Level Intermediate Representation project, based on LLVM\, [1] : N-Dimensional Loop: an NDL agent is an HW block able to generate an address sequence, [1] : originally an acronym for Low Level Virtual Machine, it has broadened in scope and, [1] : Proprietary Synaptics NPU, [1] : Single Instruction, Multiple Data is a parallel processing technique where one instruction operates : Single Instruction, Single Data is the traditional, sequential computer architecture with one processor : Static Single Assignment form, is a common representation used in compilers where each variable, [1] : Tensor Operator Set Architecture: introduced by ARM, it is a standard specifying a set of, [1] : Vector processing unit in the Torq NPU {term}IRs\, [1]

A

Act	ALU and allow to model different levels of abstractions in an uniform way in the same IR\, [1]

B

by the IREE compiler., [1]

C

corresponding to multiple levels of nested for-loops, each specified with a counter and a stride., [1]

D

dialect, [1]

E

executing one instruction on one piece of data at a time

H

https://en.wikipedia.org/wiki/LLVM, [1] https://en.wikipedia.org/wiki/Static_single-assignment_form, [1] https://iree.dev, [1] https://iree.dev/developers/design-docs/vm/#virtual-machine-vm, [1]

https://mlir.llvm.org/, [1] https://mlir.llvm.org/docs/LangRef/#dialects, [1] https://mlir.llvm.org/docs/PassManagement/, [1] https://www.mlplatform.org/tosa/, [1] HW API, [1]

I

IR, [1] IREE, [1]

is assigned exactly once\, [1] is now a toolkit for building compilers\, [1]

K

kernel, [1]

kernel, layer and operation are often used as synonims., [1]

L

LLVM, [1]

lower, [1]

M

ML, [1]

MLIR, [1]

N

NDL, [1]

O

on multiple data values simultaneously

P

pass, [1]

S

SIMD SISD

Slice SSA, [1]

T

tensor operations commonly employed by Neural Networks\, [1] This API provides a more abstract interface than accessing HW registers directly., [1]

Torq, [1] TOSA, [1]

V

VM, [1]

VMFB, [1] VMFB files have .vmfb extension and can be executed on the IREE runtime VM, [1]