# Lecture 8: GPU Computing Intro. The CUDA Programming Model. CUDA Execution Configuration.

## Lecture Summary

* Flynn's Taxonomy
* Amdahl's Law
* Start GPU computing

## Flynn's Taxonomy

* SISD: Single Instruction/Single Data
* SIMD: Single Instruction/Multiple Data
* MISD: Multiple Instruction/Single Data
* MIMD: Multiple Instruction/Multiple Data

![](/files/-MTCW1eYJShRco27pP_X)

![](/files/-MTCW5CQ3ggl5t6KLqDG)

![](/files/-MTCWDPALIAWy9R5ur0E)

![](/files/-MTCWGj8vHZqL7dTzuRu)

## Amdahl's Law (Law of Diminishing Returns)

The overall speedup relies on the worst-performing sections the most (see more explanations [here](/earlier-readings-and-notes/index/raid-a-case-for-redundant-arrays-of-inexpensive-disks.md#background-and-motivation)).

## GPU Computing with CUDA

![](/files/-MTCY1N7G585nZMvP7TZ)

![](/files/-MTCY6bbnqKgosahC27h)

![Fermi](/files/-MTCZ2upP99L7gFQCBg_)

![Volta](/files/-MTCZBoe6MnKuow3-sXs)

![Ampere](/files/-MTCZGQ_nLoQKiSyANlj)

![](/files/-MTCZR6i2dI4UQGRRF0E)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://blog.ruipan.xyz/earlier-readings-and-notes/cs759-hpc-course-notes/lecture-8-gpu-computing-intro.-the-cuda-programming-model.-cuda-execution-configuration.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.