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jrhemstad/README.md

Hello, I'm jrhemstad 👋

About Me

  • 🔭 I'm currently the Engineering Manager for the team that maintains the CUDA C++ Core Libraries at NVIDIA.
  • 🌱 Previously, I was deeply involved in the RAPIDS ecosystem, where I was a primary maintainer and designer for the libcudf and RMM libraries.
  • 🚀 I helped kickstart and maintain the cuCollections project for GPU-acelerated data structures like hash tables.
  • 💡 I'm passionate about building high-quality, high-performance CUDA C++ software.
  • 🎯 My mission is to make CUDA C++ more delightful for developers.

Publications & Presentations

Connect with Me

jrhemstad's GitHub stats

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  1. rapidsai/cudf Public

    cuDF - GPU DataFrame Library

    C++ 8.7k 933

  2. rapidsai/rmm Public

    RAPIDS Memory Manager

    C++ 545 208

  3. NVIDIA/thrust Public archive

    [ARCHIVED] The C++ parallel algorithms library. See https://github.com/NVIDIA/cccl

    C++ 5k 756

  4. How to build with Ninja
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    ## How to Use Ninja
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    3
    1. Install Ninja
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    ```
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    sudo apt install ninja-build

278 contributions in the last year

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Activity overview

Contributed to NVIDIA/cccl, NVIDIA/accelerated-computing-hub, rapidsai/cudf and 17 other repositories
Loading A graph representing jrhemstad's contributions from March 03, 2024 to March 05, 2025. The contributions are 46% code review, 34% issues, 12% commits, 8% pull requests.

Contribution activity

March 2025

Created 1 commit in 1 repository

Created a pull request in NVIDIA/cccl that received 1 comment

Update RAPIDS and Matx CI builds to indicate they are optional

Description Updates the name of the RAPIDS and Matx jobs to better indicate that these are optional and do not block merging a PR.

+2 −2 lines changed 1 comment
Reviewed 3 pull requests in 1 repository
NVIDIA/cccl 3 pull requests
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