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Tydi: an open specification for complex data structures over hardware streams

1. Introduction

Tydi is an open-source project that aims to standardize interfaces for hardware components used in modern streaming dataflow designs.

The project consists of two parts: the Tydi specification and a set of reference implementations of useful tools.


The Tydi (Typed dataflow interface) specification is at the core of the project: it defines what an interface should look like and constrains its behavior, based on a constructively defined, low-level data type. Start reading here.


Using the Tydi specifications, reference implementations of tools are implemented and open-sourced.

  1. Generators (under construction)
  2. Compositors (under construction)

Generators create HDL templates, that users may fill in with their desired behavior. Tydi aims to impose no restrictions on what hardware-description languages are used to work with the specification. Tydi aims to provide generators for old HDLs, such as VHDL and Verilog, but also modern HDL

Compositors are tools that combine streamlets into larger designs.