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README

A Compiler Infrastructure for Accelerator Generators

Calyx is an intermediate language and infrastructure for building compilers that generate custom hardware accelerators.

See the Calyx website, language documentation and the documentation for the source code for more information. Calyx's design is based on our paper.

Installation

Quick

If you want to try out the compiler, install it using cargo:

cargo install calyx

This will install the calyx binary can optimize and compile Calyx programs to Verilog or CIRCT.

Organization

This repository contains the source code for the following: * [calyx-utils][]: Utilities for the Calyx compiler * [calyx-frontend][]: Parser and frontend AST for the Calyx language. * [calyx-ir][]: The Calyx intermediate language. * [calyx-opt][]: Optimizations for the Calyx intermediate language. * [calyx][]: The Calyx compiler driver.

You can also use the Calyx compiler as a library and implement your own optimizations. To do this, check out the example provided by the [calyx-opt][] crate.

Extension points exported contracts — how you extend this code

Named (Interface)

Trait that describes named things. Calling [`do_pass`](Visitor::do_pass) and [`do_pass_default`](Visitor::do_pass_defaul [46 …

calyx-opt/src/traversal/construct.rs

GetAttributes (Interface)

Structs that can return an [`Attributes`] instance. [17 implementers]

calyx-frontend/src/attributes.rs

Backend (Interface)

A backend for Calyx. [9 implementers]

calyx-backend/src/traits.rs

Interpreter (Interface)

The core interpreter trait which defines the methods each interpretation construct must support. This trait is implement [10 …

interp/src/interpreter/interpreter_trait.rs

GetName (Interface)

A trait representing something in the IR that has a name. [5 implementers]

calyx-utils/src/id.rs

QueryResult (Interface)

Describes the result of document queries that potentially need to access other documents. For example, to jump to defini [2 …

calyx-lsp/src/query_result.rs

EmitBuild (Interface)

Code to emit a Ninja `build` command. [2 implementers]

fud2/fud-core/src/run.rs

GetMemInfo (Interface)

Returns a vector of tuples containing external memory info of [comp] of form: [(WIDTH, SIZE, IDX_SIZE)] [2 implementers]

calyx-ir/src/utils.rs

Core symbols most depended-on inside this repo

borrow

called by 797

interp/src/debugger/cidr.rs

unwrap

called by 543

calyx-py/calyx/builder.py

map

called by 478

frontends/mrxl/mrxl/parse.py

clone

called by 288

calyx-ir/src/common.rs

into

called by 217

interp/src/structures/values.rs

iter

called by 177

calyx-opt/src/passes/well_formed.rs

iter

called by 152

calyx-ir/src/component.rs

append

called by 151

calyx-ir/src/component.rs

Shape

Method 2,471

Function 719

Class 550

Enum 95

Interface 34

Route 1

Languages

Rust71%

Python28%

TypeScript1%

C++1%

C1%

Modules by API surface

calyx-py/calyx/builder.py142 symbols

calyx-frontend/src/parser.rs104 symbols

calyx-py/calyx/py_ast.py101 symbols

tools/btor2/verible_verilog_syntax.py59 symbols

interp/src/flatten/flat_ir/base.rs56 symbols

calyx-ir/src/structure.rs53 symbols

interp/src/tests/primitives.rs48 symbols

interp/src/structures/values.rs46 symbols

calyx-ir/src/control.rs45 symbols

fud/fud/errors.py43 symbols

interp/src/debugger/context.rs42 symbols

interp/src/structures/stk_env.rs38 symbols

For agents

$ claude mcp add calyx \
  -- python -m otcore.mcp_server <graph>

⬇ download graph artifact