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  • Book Overview & Buying Python Parallel Programming Cookbook
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Python Parallel Programming Cookbook

Python Parallel Programming Cookbook

By : Giancarlo Zaccone
4.1 (11)
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Python Parallel Programming Cookbook

Python Parallel Programming Cookbook

4.1 (11)
By: Giancarlo Zaccone

Overview of this book

This book will teach you parallel programming techniques using examples in Python and will help you explore the many ways in which you can write code that allows more than one process to happen at once. Starting with introducing you to the world of parallel computing, it moves on to cover the fundamentals in Python. This is followed by exploring the thread-based parallelism model using the Python threading module by synchronizing threads and using locks, mutex, semaphores queues, GIL, and the thread pool. Next you will be taught about process-based parallelism where you will synchronize processes using message passing along with learning about the performance of MPI Python Modules. You will then go on to learn the asynchronous parallel programming model using the Python asyncio module along with handling exceptions. Moving on, you will discover distributed computing with Python, and learn how to install a broker, use Celery Python Module, and create a worker. You will understand anche Pycsp, the Scoop framework, and disk modules in Python. Further on, you will learnGPU programming withPython using the PyCUDA module along with evaluating performance limitations.
Table of Contents (8 chapters)
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7
Index

Understanding the PyCUDA memory model with matrix manipulation


A PyCUDA program, to make the most of available resources, should respect the rules dictated by the structure and the internal organization of the SM that imposes constraints on the performance of the thread. In particular, the knowledge and correct use of the various types of memory that the GPU makes available is fundamental in order to achieve maximum efficiency in the programs. In the CUDA-capable GPU card, there are four types of memories, which are defined, as follows:

  • Registers: In this, a register is allocated for each thread. This can only access its register but not the registers of other threads, even if they belong to the same block.

  • The shared memory: Here, each block has its own shared memory between the threads that belong to it. Even this memory is extremely fast.

  • The constant memory: All threads in a grid have constant access to the memory, but can be accessed only while reading. The data present in it persists...

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Python Parallel Programming Cookbook
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