dotnet / dotnet/machinelearning

Accessing data in a DataFrameColumn is insanely slow.

Open
#5,966 2 comments 0 reactions 0 assignees View on GitHub
area-DataFrame tenet-performance
Dominant language
C#
Stars
9.4k
Forks
2k
Avg merge
2d 20h
Merged PRs (30d)
11

Description

**System Information (please complete the following information):**
- Win 10
- Microsoft.Data.Analysis 0.18.0
- .net framework 4.7.2

**Describe the bug**
Accessing data in a PrimitiveDataFrameColumn<> is very very very slow.

**To Reproduce**
int n = 1000_000;
PrimitiveDataFrameColumn column = new PrimitiveDataFrameColumn("Name", n);

for (int i = 0; i

Contributor guide

Open the contributing guide

Assessment

This issue has not been assessed yet.

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.