JuliaGPU/CUDA.jl

`mean` can overflow on integer inputs

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#885 opened on May 4, 2021

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 (2 comments) (0 reactions) (0 assignees)Julia (274 forks)batch import
bugcuda arraygood first issue

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Description

e.g. https://discourse.julialang.org/t/result-of-mean-is-different-for-cuarray-vs-regular-int64-array/60497. We need a fix a la https://github.com/JuliaLang/Statistics.jl/pull/25.

Contributor guide

Research direction
Review the linked Statistics.jl PR for the overflow fix and implement a similar approach in CUDA.jl's mean function for integer inputs.
Tech stack
None
Domain
backend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
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
JuliaCUDA
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70