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Hands-On GPU Computing with Python

You're reading from   Hands-On GPU Computing with Python Explore the capabilities of GPUs for solving high performance computational problems

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Product type Paperback
Published in May 2019
Publisher Packt
ISBN-13 9781789341072
Length 452 pages
Edition 1st Edition
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Author (1):
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Avimanyu Bandyopadhyay Avimanyu Bandyopadhyay
Author Profile Icon Avimanyu Bandyopadhyay
Avimanyu Bandyopadhyay
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Table of Contents (17) Chapters Close

Preface 1. Section 1: Computing with GPUs Introduction, Fundamental Concepts, and Hardware
2. Introducing GPU Computing FREE CHAPTER 3. Designing a GPU Computing Strategy 4. Setting Up a GPU Computing Platform with NVIDIA and AMD 5. Section 2: Hands-On Development with GPU Programming
6. Fundamentals of GPU Programming 7. Setting Up Your Environment for GPU Programming 8. Working with CUDA and PyCUDA 9. Working with ROCm and PyOpenCL 10. Working with Anaconda, CuPy, and Numba for GPUs 11. Section 3: Containerization and Machine Learning with GPU-Powered Python
12. Containerization on GPU-Enabled Platforms 13. Accelerated Machine Learning on GPUs 14. GPU Acceleration for Scientific Applications Using DeepChem 15. Other Books You May Enjoy Appendix A

Writing your first CuPy and Numba enabled accelerated programs to compute GPGPU solutions

Beginning first with CuPy, we will apply the implementations that we learned about CuPy so far, with our first CuPy program. Note that it does not use NumPy to generate the random number as well. In fact, it's a pure CuPy program. The NumPy module is not imported at all.

  1. First, open a new file on PyCharm, as shown here in the screenshot:
  1. Now use the following code that simply replaces NumPy syntax with CuPy. This is a regular and basic format in CuPy that looks exactly like NumPy, apart from the importing of the latter module:
import cupy as cp #Importing CuPy
from timeit import default_timer as timer #To record computation time

N = 500000000 #500 million elements

# Starting timer to record GPU computation time
start = timer()
# Setting two arrays all with zero values
a_cp = cp.zeros...
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