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Record W4412528568 · doi:10.1016/j.micpro.2025.105182

Scala defined hardware generators for Chisel

2025· article· en· W4412528568 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

fundA Canadian funder is recorded on the work.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueMicroprocessors and Microsystems · 2025
Typearticle
Languageen
FieldComputer Science
TopicEmbedded Systems Design Techniques
Canadian institutionsnot available
FundersEuropean Health and Digital Executive AgencyDigital Technology Supercluster
KeywordsComputer scienceScalaChiselParallel computingComputer hardwareProgramming languageOperating systemJavaMechanical engineering

Abstract

fetched live from OpenAlex

We describe digital hardware designs in hardware description languages such as VHDL and SystemVerilog. Both languages were developed in the 1980s and, although regularly updated, are still in the style of their time. They lack the constructs to write more configurable generators than just the number of bits for an operation. Based on Scala, Chisel is a hardware construction language that helps to write hardware generators. Hardware generators are not a new idea. Scripting languages, such as Perl and TCL, are often used to generate VHDL or Verilog code from other sources of system description. However, mixing two languages and embedding VHDL or Verilog strings in generator code is not scalable. As Chisel is embedded in Scala, we can write the generators using the same language/environment as we use to describe the digital logic. This paper explores different examples and patterns to describe parameterizable hardware generators. We are confident that practices from software development can improve the productivity of hardware designers to build and test the next billion transistor chips.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.823
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0010.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.008
GPT teacher head0.247
Teacher spread0.240 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it