CUDA C++

Apr 20, 2023

Debugging a Mixed Python and C Language Stack

Debugging is difficult. Debugging across multiple languages is especially challenging, and debugging across devices often requires a team with varying skill...
18 MIN READ
Jun 23, 2022

Just Released: CUTLASS v2.9

The latest version of CUTLASS offers users BLAS3 operators accelerated by tensor cores, Python integrations, GEMM compatibility extensions, and more.
1 MIN READ
Mar 23, 2022

Boosting Application Performance with GPU Memory Prefetching

NVIDIA GPUs have enormous compute power and typically must be fed data at high speed to deploy that power. That is possible, in principle, because GPUs also...
10 MIN READ
Feb 10, 2022

Implementing High-Precision Decimal Arithmetic with CUDA int128

“Truth is much too complicated to allow anything but approximations.” -- John von Neumann The history of computing has demonstrated that there is no limit...
19 MIN READ
Image depicting NVIDIA CEO Jen-Hsun Huang explaining the importance of the RAPIDS launch demo at GTC Europe 2018.
Dec 08, 2020

Fast, Flexible Allocation for NVIDIA CUDA with RAPIDS Memory Manager

When I joined the RAPIDS team in 2018, NVIDIA CUDA device memory allocation was a performance problem. RAPIDS cuDF allocates and deallocates memory at high...
24 MIN READ
Jun 19, 2017

Unified Memory for CUDA Beginners

My previous introductory post, "An Even Easier Introduction to CUDA C++", introduced the basics of CUDA programming by showing how to write a simple program...
16 MIN READ
Feb 23, 2016

High-Performance Geometric Multi-Grid with GPU Acceleration

Linear solvers are probably the most common tool in scientific computing applications. There are two basic classes of methods that can be used to solve an...
16 MIN READ
Oct 19, 2015

Cutting Edge Parallel Algorithms Research with CUDA

Leyuan Wang, a Ph.D. student in the UC Davis Department of Computer Science, presented one of only two “Distinguished Papers” of the 51 accepted at Euro-Par...
14 MIN READ
Oct 12, 2015

Accelerating Materials Discovery with CUDA

In this post, we discuss how CUDA has facilitated materials research in the Department of Chemical and Biomolecular Engineering at UC Berkeley and Lawrence...
15 MIN READ
Aug 06, 2015

Voting and Shuffling to Optimize Atomic Operations

2iSome years ago I started work on my first CUDA implementation of the Multiparticle Collision Dynamics (MPC) algorithm, a particle-in-cell code used to...
10 MIN READ
Feb 18, 2015

BIDMach: Machine Learning at the Limit with GPUs

Deep learning has made enormous leaps forward thanks to GPU hardware. But much Big Data analysis is still done with classical methods on sparse data. Tasks like...
15 MIN READ
Sep 02, 2014

3 Versatile OpenACC Interoperability Techniques

OpenACC is a high-level programming model for accelerating applications with GPUs and other devices using compiler directives compiler directives to specify...
8 MIN READ