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O'Reilly Platform
book
量子计算机编程:从入门到实践
by
Eric R. Johnston
,
Nicholas Harrigan
,
Mercedes Gimeno-Segovia
July 2021
Beginner to intermediate
274 pages
7h 10m
Chinese
Posts & Telecom Press
Content preview from
量子计算机编程:从入门到实践
入门
|
3
与
图形处理单元
(
graphics
processing
unit
,
GPU
)等其他协处理器一样,对
QPU
的编程
需要程序员编写代码,这些代码主要在普通计算机的
中央处理器
(
central
processing
unit
,
CPU
)上运行。
CPU
向
QPU
协处理器发送指令,只为启动与其处理能力相匹配的任务。
1.3
动手实践
本书的核心是能够动手实践的示例代码。但是在编写本书时,还不存在成熟通用的
QPU
,
那么该如何运行本书中的代码呢?幸运的是,在编写本书时,已经有了一些可通过云端访
问和使用的原型
QPU
,这令人兴奋。此外,对于较小的问题,可以在传统计算机上
模拟
QPU
的表现。尽管无法模拟大型
QPU
程序,但对于简短的代码片段来说,这是一种学习
如何控制实际
QPU
的简便方法。本书中的示例代码符合上述要求,并且即便以后出现更
复杂的
QPU
,这些代码也将保持可用性和教学性。
目前有许多可用的
QPU
模拟器、库和系统。你可以在
http://oreilly-qc.github.io
上找到
一份列表,其中列出了几个具有良好支持的系统。在该网页上,我们以多种编程语言提
供了本书的示例代码。不过,为了避免书中出现过多的代码,我们仅在本书中列举用于
QCEngine
的
JavaScript
示例。
QCEngine
是免费的在线量子计算模拟器,利用它,用户可
以在浏览器中运行示例代码,无须额外安装任何软件。
QCEngine
由本书作者开发,初衷
是自用,现在作为本书的配套工具使用。
QCEngine
对我们特别有用,这不仅因为它无须 ...
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Publisher Resources
ISBN: 9787115566355