bencheeorg/benchee

Ability to set a "reference" job

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#179 opened on Feb 19, 2018

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 (2 comments) (3 reactions) (0 assignees)Elixir (1,509 stars) (69 forks)batch import
help wanted

Description

Right now when benchmarks are compared, they are always compared to the fastest run. I think it would be useful in some situations to set a "reference" run and compare all the other runs to that.

One example would be the benchmark suite of jason, where I'd like to see all the other encoders reported relative to Jason itself, even though jiffy is the fastest most of the time. Right now, I have to do the additional computations manually, to get the desired numbers, that I can use to annoy people convincing them how fast Jason is 😉.

Contributor guide

Tech stack
None
Domain
performance
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.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Familiarity with Elixir syntaxUnderstanding benchee's comparison logic
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60
Research direction
Investigate the existing comparison logic in the benchee codebase, likely in the formatter/compare modules. Understand how runs are currently compared to the fastest run. Implement an option to specify a reference run by name, and adjust the comparison to output results relative to that reference. Check the comments for any additional requirements. No linked pull requests found.