cucapra/filament

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Fearless hardware design

Stars: 209
Forks: 12
Open beginner issues: 0
Indexed issues: 83

Dominant language: Verilog
License: MIT
Last GitHub push: Jul 23, 2026
Latest indexed: Sep 15, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue
PR merge metrics: No merged PRs in 30d

Open All

83 open issues indexed

Automatically mark ports as `@stable` in Calyx backend Open

C: backend

cucapra/filament#38 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Checking sharing with `for` loops Open

C: interval check

cucapra/filament#76 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Expressing backend capabilities using parameter bounds Open

S: needs triage

cucapra/filament#78 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Linearity check for port assignments Open

C: well-formedness low priority

cucapra/filament#82 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Allow terminating recursion Open

C: well-formedness low priority

cucapra/filament#85 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Generate Filament stub from Verilog module Open

C: tools good first issue

cucapra/filament#94 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Time multiplex bundles onto the same wire Open

S: needs triage

cucapra/filament#96 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`struct` definitions in Filament Open

C: language

cucapra/filament#99 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
A package manager and module system for Filament Open

C: language C: tools S: needs triage

cucapra/filament#118 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consistency checks for `assume` Open

C: well-formedness

cucapra/filament#119 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Passing binary values in with data files Open

C: tools good first issue

cucapra/filament#122 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Designs to Implement Open

tracker

cucapra/filament#124 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Enumerations and methods on components Open

C: language

cucapra/filament#125 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`Shift` primitive should take parameter denoting reuse Open

good first issue

cucapra/filament#134 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Generate warnings for non II=1 externals without interface ports Open

C: well-formedness good first issue

cucapra/filament#137 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Syntactic niceties Open

C: language

cucapra/filament#138 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Generate ready-valid interface for top module Open

C: backend S: needs triage

cucapra/filament#144 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Generalize the `Owner` enum Open

C: Internals

cucapra/filament#156 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Comments not supported in JSON files Open

C: tools

cucapra/filament#172 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Harness for interfacing with Calyx memories Open

C: tools S: needs triage

cucapra/filament#173 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Additional fud data formats Open

C: tools

cucapra/filament#175 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Automatically transform and run RISC-V program with Calyx harness Open

C: tools

cucapra/filament#179 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Compilation pass doesn't compile complex port widths. Open

bug C: language S: available

cucapra/filament#187 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Unannotated ports pass compilation check but cannot be accessed within filament Open

bug C: language S: available

cucapra/filament#194 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Clock and reset domains Open

C: language S: needs triage

cucapra/filament#195 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
IR passes to implement Open

tracker

cucapra/filament#200 · 2 comments · 0 reactions · 3 assignees · Indexed Sep 15, 2026
Change Validate pass to check invalidated ports/parameters for uses. Open

C: Internals

cucapra/filament#234 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Pull assumption/assert generation out of astconv. Open

C: Internals S: available

cucapra/filament#264 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Create better heuristic for generating fsm types. Open

C: backend S: needs triage

cucapra/filament#273 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Rewrite frisc harness to use `calyx-py` Open

S: available

cucapra/filament#274 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Simplify signature monomorphization Open

C: Internals S: available

cucapra/filament#281 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Possible component name conflicts in the future Open

low priority S: needs triage

cucapra/filament#287 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Style conventions. Open

C: docs

cucapra/filament#292 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add test case for -preserve-names flag. Open

C: Internals good first issue

cucapra/filament#293 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Run `validate` after every pass Open

C: Internals

cucapra/filament#298 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Update Filament docs Open

C: docs S: available

cucapra/filament#301 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Functions on parameters using existential parameters Open

S: needs triage

cucapra/filament#308 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Parameter Bundles/Structs with constraints Open

C: language S: available

cucapra/filament#309 · 5 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Inline Bundle definitions Open

C: language S: needs triage

cucapra/filament#315 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Built-in `sin` and `cos` functions Open

C: Internals C: language S: needs triage

cucapra/filament#318 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Mutable parameters Open

C: language S: needs triage

cucapra/filament#321 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Disallow orphan constraints on existential parameters Open

bug C: well-formedness S: available

cucapra/filament#322 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Cannot type-check floating point parameters. Open

C: Internals low priority S: needs triage

cucapra/filament#327 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Testing floating point/iterative divider implementations for accuracy instead of conformity Open

C: tools low priority

cucapra/filament#331 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Integrating HLS and Filament designs Open

S: available

cucapra/filament#332 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Filament `Imports` can pollute parent namespace. Open

C: language S: needs triage

cucapra/filament#333 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Floating point adder and multiplier bugs in all implementations. Open

bug

cucapra/filament#334 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Confusing error message when existential parameter used in the body Open

bug C: well-formedness S: available

cucapra/filament#336 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Confusing error messages when bundles of length `> 1` are assigned without splatting. Open

bug C: Internals

cucapra/filament#341 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Filament Import Redesign Open

S: needs triage

cucapra/filament#342 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

cucapra/filament

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