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andygrove/README.md

Hi there 👋

I'm Andy Grove, a software engineer specializing in distributed systems and query engines. I am the author of the book How Query Engines Work.

Career

I work for NVIDIA where I contribute to the RAPIDS Accelerator for Apache Spark, which is an open source plugin that provides GPU-acceleration for ETL workloads, leveraging the RAPIDS cuDF GPU DataFrame library which uses the Apache Arrow memory model.

Open Source

I am a PMC member and active contributor in the Apache Arrow project, where I have made the following donations:

I am also the original author of the sqlparser-rs crate.

Hobbies

I occasionally work on hobby projects involving digital electronics, microcontrollers, woodworking, and similar skills. Some of my projects have been featured on popular "maker" web sites.

Social Media

Pinned

  1. Apache Arrow DataFusion and Ballista query engines

    Rust 1.9k 308

  2. Extensible SQL Lexer and Parser for Rust

    Rust 1.1k 217

  3. Official Rust implementation of Apache Arrow

    Rust 822 191

  4. Apache Spark - A unified analytics engine for large-scale data processing

    Scala 32.5k 25.4k

  5. Spark RAPIDS plugin - accelerate Apache Spark with GPUs

    Scala 400 130

  6. cuDF - GPU DataFrame Library

    C++ 4.6k 598

1,464 contributions in the last year

Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Mon Wed Fri

Contribution activity

April 2022

Created 1 commit in 1 repository

Created a pull request in NVIDIA/spark-rapids that received 5 comments

GpuCast.hasSideEffects now checks to see if the child expression has side-effects

Signed-off-by: Andy Grove andygrove@nvidia.com Closes #5125 When expressions with side-effects were wrapped in a CAST then we treated them as thoug…

+20 −7 5 comments
Reviewed 4 pull requests in 2 repositories

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