Rob Van der Wijngaart

Rob Van der Wijngaart is a principal architect at NVIDIA. He spent over three decades in the area of high-performance computing in various industrial and government laboratories and is the co-developer of the widely used NAS Parallel Benchmarks.
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Posts by Rob Van der Wijngaart

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Simulation / Modeling / Design Aug 08, 2024

Improving GPU Performance by Reducing Instruction Cache Misses

GPUs are specially designed to crunch through massive amounts of data at high speed. They have a large amount of compute resources, called streaming... 11 MIN READ
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Data Center / Cloud Apr 19, 2024

Measuring the GPU Occupancy of Multi-stream Workloads

NVIDIA GPUs are becoming increasingly powerful with each new generation. This increase generally comes in two forms. Each streaming multi-processor (SM), the... 11 MIN READ
Simulation / Modeling / Design Jun 27, 2022

Boosting Application Performance with GPU Memory Access Tuning

NVIDIA GPUs have enormous compute power and typically must be fed data at high speed to deploy that power. That is possible, in principle, as GPUs also have... 13 MIN READ
Simulation / Modeling / Design 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
Simulation / Modeling / Design Nov 03, 2021

Employing CUDA Graphs in a Dynamic Environment

Many workloads can be sped up greatly by offloading compute-intensive parts onto GPUs. In CUDA terms, this is known as launching kernels. When those kernels are... 8 MIN READ