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Moore`s Law is the observation that the amount you can do on a single chip doubles every two years. Historically, Moore`s Law has delivered ever faster computing power to more and more demanding audiences. But Moore`s Law is about to break down”there`s a limit to how many interconnections you can create on a chip. Rather than producing faster and faster processors, companies such as Intel and AMD are instead producing multi-core devices: single chips containing two, four, or even more processors. That`s great, but only if your software can take advantage of that extra power. If your programs aren`t concurrent, they`ll only run on a single processor at a time. Your users will think that your code is slow.
Erlang is a programming language designed for building highly parallel, distributed, fault-tolerant systems. It has been used commercially for many years to build massive fault-tolerant systems which run for years with minimal failures.
Erlang programs run seamlessly on multi-core computers. This means your Erlang program should run 4 times faster on a 4 core processor than on a single core processsor, all without you having having to change a line of code.
Erlang combines ideas from the world of functional programming with techniques for building fault-tolerant systems to make a powerful language for building the massively parallel networked applications of the future.
This book presents Erlang and functional programming in the familiar Pragmatic style. And, it`s written by Joe Armstrong, one of the creators of Erlang.
It includes lots of example code you`ll be able to build upon. In addition, the book contains the full source code for two interesting applications:
A SHOUTcast server which you can use to stream music to every computer in your house, and
a full-text indexing and search engine that can index gigabytes of data and run either on a single computer or collaboratively on a parallel network. The indexing engine is specially written to illustrate how to maximize throughput on a multi-core CPU.
Erlang is a language used by people in-the-know (just like Ruby was a few years ago). It solves one of the most pressing problems facing developerstoday: how to write reliable, concurrent, high-performance systems. Invest in learning Erlang now.
ISBN 9788184046311
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Pages : 536
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