Jake Hemstad

Jake Hemstad is an engineering manager at NVIDIA, where he leads development of the CUDA Core Compute Libraries (CCCL). His work focuses on making CUDA more approachable and delightful by enabling developers to write high-quality, high-performance modern CUDA C++ software. Prior to his current role, Jake was a developer technology engineer at NVIDIA, where he led the development of the RAPIDS libcudf CUDA C++ library—and discovered his passion for building production-grade CUDA software.
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Posts by Jake Hemstad

Development & Optimization Jun 18, 2025

Compiler Explorer: An Essential Kernel Playground for CUDA Developers

Have you ever wondered exactly what the CUDA compiler generates when you write GPU kernels? Ever wanted to share a minimal CUDA example with a colleague... 7 MIN READ
Data Science Mar 06, 2023

Maximizing Performance with Massively Parallel Hash Maps on GPUs

Decades of computer science history have been devoted to devising solutions for efficient storage and retrieval of information. Hash maps (or hash tables) are a... 19 MIN READ
Data Center / Cloud Jul 27, 2021

Using the NVIDIA CUDA Stream-Ordered Memory Allocator, Part 2

In part 1 of this series, we introduced new API functions, cudaMallocAsync and cudaFreeAsync, that enable memory allocation and deallocation to be... 9 MIN READ
Data Center / Cloud Jul 27, 2021

Using the NVIDIA CUDA Stream-Ordered Memory Allocator, Part 1

Most CUDA developers are familiar with the cudaMalloc and cudaFree API functions to allocate GPU accessible memory. However, there has long been an obstacle... 14 MIN READ