- Tapa blanda: 432 páginas
- Editor: Pearson Education (Us); Edición: 01 (27 de julio de 1994)
- Colección: APC
- Idioma: Inglés
- ISBN-10: 0201633388
- ISBN-13: 978-0201633382
- Valoración media de los clientes: Sé el primero en opinar sobre este producto
- Clasificación en los más vendidos de Amazon: nº1.029.206 en Libros en idiomas extranjeros (Ver el Top 100 en Libros en idiomas extranjeros)
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UNIX Systems for Modern Architectures: Symmetric Multiprocessing and Caching for Kernel Programmers (APC) (Inglés) Tapa blanda – 27 jul 1994
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Any UNIX programmer using the latest workstations or super minicomputers from vendors such as Sun, Silicon Graphics (SGI), AT&T, Amdahl, IBM, Apple, Compaq, Mentor Graphics, and Thinking Machines needs this book to optimize his/her job performance. This book teaches how these architectures operate using clear, comprehensible examples to explain the concepts, and provides a good reference for people already familiar with the basic concepts.
This book represents a significant new milestone in UNIX kernel internals books. Symmetric multiprocessing and cache memory systems are important cost-effective technologies for improving performance in today's state-of-the-art systems.
Written for the UNIX kernel developer, this book provides a complete yet comprehensible explanation of the operation of caches and symmetric multiprocessors, how they work together, and the issues operating systems must address in order to run on the machines that incorporate them.
After a review of UNIX kernel internals, Curt Schimmel launches into a detailed description of cache memory systems, including several kinds of virtual and physical caches, as well as a chapter on efficient cache management. For each type of cache, the book covers the impact on the software and the operating system changes necessary for these systems. The next section details the operation of the tightly-coupled, shared memory, symmetric multiprocessor. It examines the problems these multiprocessors present to the operating system, such as race conditions, deadlocks, and the ordering of memory operations, and looks at how the UNIX kernel can be adapted to run on such systems. Finally, the book looks at the interaction between cache memory systems and multiprocessors and the new problems that this interaction presents to the kernel. Techniques for solving these problems are then explained.
Numerous examples representing CISC and RISC processors, such as the Intel 80486 and Pentium, the Motorola 68040 and 88000, as well as theMIPS and SPARC processors, illustrate the concepts presented. To reinforce the concepts, each chapter contains a set of exercises with answers to selected exercises included in the back.
"This book UNIX Systems for Modern Architectures for the systems programmer covers almost everything you wanted to know about caches, multiprocessor systems, and cached multiprocessor systems, especially as related to UNIX."-Unix Review
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Then the book covered various techniques used in symmetric multiprocessor systems (SMP) including hardware atomic instructions to acquire, change, and store a lock without race conditions. There was the use of spin locks, semaphores, mutexes. Locks can be coarse grained, locking many data structures, and fine grained locks, locking on one or few data structures at a time. Code samples including showing the data structure(s) & its associated lock & the process of acquiring a lock.
The book covered how cache consistency can be managed at the software level with explicit cache flushing instructions but also how it can be implemented in hardware with caches receiving data stored in other caches by listening on and communicating over a shared bus.
Excellent book. Highly recommend.
Today's SMP systems are essentially the same, they just got bigger.
So, if you want to build solid fundament in caches and SMP i would strongly recommend this book.
So why only three stars? The problem is that the book is incomplete. Cache systems and virtual-memory systems interact in myriad ways, but you wouldn't know that from reading this book. Similarly, storage and networking subsystems are often the bloodiest battlegrounds with respect to multiprocessor synchronization, and yet special considerations in those areas are not covered. Many old architectures (e.g. Apollo, ELXSI) are mentioned, and yet NUMA never even gets a nod. I know that covering all of these topics in any kind of depth would be impossible in a single book of any reasonable length, but their *total* omission is something I consider unacceptable.
This is a book I would recommend without hesitation to any number of people. Unfortunately, that recommendation would always have to be accompanied by recommendations for other books that pick up where this one inexplicably leaves off.
The best way to describe this book is that it's part computer architecture book and part operating systems book. The operation of the hardware is presented in good detail, without going as far as worrying about gates and transistors. The software issues are also described in detail along with various solutions and trade-offs between them.
I highly recommend this book for anyone who wants to understand the operation of caches and SMP systems from both the hardware and software point of view.
On the technical side, I like the fact that the book presents different alternatives for the various implementations and discusses the trade-offs between them. This is one of the things that has made this my most frequently used desk reference here at work.