Running a CUDA Kernel

#ai #research #largelanguagemodel #tech #explainer #podcast #machinelearning #artificalintelligent

https://fergusfinn.com/blog/what-happens-when-you-run-a-gpu-kernel/

Inside the Machine: The Lifecycle of a CUDA Kernel

This comprehensive technical blog post explains the end-to-end lifecycle of a CUDA kernel, from source code compilation to hardware execution on an NVIDIA GPU. The author describes how nvcc transforms high-level code into PTX and SASS, and how a host-side constructor registers these binaries before the program even begins. The narrative detail moves through the driver's interaction with the GPU, illustrating the role of the pushbuffer, GPFIFO, and doorbell registers in triggering a launch. Inside the hardware, the text explores how the compute work distributor manages warps and how the Streaming Multiprocessor uses scoreboard barriers to hide memory latency. Finally, the source covers the return path to the CPU, where semaphores and DMA transfers move calculated results back to host memory. Through specialized diagnostic tools and reverse engineering, the author clarifies the opaque layers of the CUDA runtime and the underlying microarchitecture.

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Hi, I'm Vinh Nguyen (@vinhnx on the internet), a learn-by-doing software engineer passionate about making AI and machine learning easier to understand. On my YouTube channel , I break down complex AI research papers, technical reports, and new tools into simple, bite-sized videos and long-form podcast discussions. Using tools like NotebookLM, I transform dense information into practical insights so you can stay up to date with the fast-moving world of AI, without feeling overwhelmed. On my GitHub , I open source all the works about applied AI that I've been building. On my Twitter/X , I tweet regularly and share about learning tips, technical research, and everything that I hope useful for other to know. If you're curious about AI, machine learning, and emerging tech, you're in the right place. I hope we could learn something new every day. Thank you and have great day!

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Видео Running a CUDA Kernel канала Vinh Nguyen