llvm/llvm-project

Implement more Python DSL-based "exhaustive" sparse kernel generators (easy starter)

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#51,657 opened on Oct 26, 2021

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bugzillagood first issuemlir:llvmmlir:sparsetensor

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Description
Bugzilla Link 52315
Version unspecified
OS Linux
CC @joker-eph

Extended Description

Currently, we have an interesting "exhaustive" test generator that constructs, runs, and verifies many versions of SpMM (see https://github.com/llvm/llvm-project/blob/main/mlir/test/python/dialects/sparse_tensor/test_SpMM.py) [note that we don't actually exhaustively generate all versions to keep testing time down, but the code can in principle generate and test all versions).

We need more interesting kernels like this to be "exhaustively" tested(or, for practical reasons, pick a good subset of versions). This entry encapsulates adding a number of interesting kernels to this directory using the same style of DSL based testing.

Contributor guide

Research direction
Look at the existing test file test SpMM.py and the Python DSL for sparse tensor testing. Identify a new kernel to add, implement the generator, and run the tests.
Tech stack
python
Domain
compilers
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
1
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
PythonGit
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
80