CakeML/cakeml

Add instructions for efficient Div and Mul by (powers of) 2

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#246 opened on Mar 13, 2017

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 (6 comments) (0 reactions) (1 assignee)Standard ML (98 forks)auto 404
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Description

In data_to_word (i.e., the closLang ops).

Contributor guide

Research direction
Examine the data to word compiler phase and ClosLang operations. Study existing patterns for arithmetic optimization, then implement pattern matching for division/multiplication by powers of 2 and emit efficient instructions.
Tech stack
None
Domain
compilersbackend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
None
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
45