Computer Organization and Design: The Hardware/Software by David A. Patterson, John L. Hennessy

By David A. Patterson, John L. Hennessy

The 5th variation of laptop association and Design-winner of a 2014 Textbook Excellence Award (Texty) from The textual content and educational Authors Association-moves ahead into the post-PC period with new examples, workouts, and fabric highlighting the emergence of cellular computing and the cloud. This generational swap is emphasised and explored with up-to-date content material that includes capsule pcs, cloud infrastructure, and the ARM (mobile computing units) and x86 (cloud computing) architectures.

Because an figuring out of contemporary is vital to reaching strong functionality and effort potency, this version provides a brand new concrete instance, "Going Faster," used through the textual content to illustrate tremendous potent optimization suggestions. additionally new to this variation is dialogue of the "Eight nice Ideas" of machine architecture.

As with past versions, a MIPS processor is the center used to offer the basics of applied sciences, meeting language, computing device mathematics, pipelining, reminiscence hierarchies and I/O.

Instructors searching for fourth variation educating fabrics should still electronic mail [email protected]

Winner of a 2014 Texty Award from the textual content and educational Authors Association
Includes new examples, routines, and fabric highlighting the emergence of cellular computing and the cloud
Covers parallelism intensive with examples and content material highlighting parallel and software program topics
Features the Intel middle i7, ARM Cortex-A8 and NVIDIA Fermi GPU as real-world examples during the book
Adds a brand new concrete instance, "Going Faster," to illustrate how figuring out can motivate software program optimizations that increase functionality by way of two hundred times
Discusses and highlights the "Eight nice Ideas" of computing device structure: functionality through Parallelism; functionality through Pipelining; functionality through Prediction; layout for Moore's legislations; Hierarchy of stories; Abstraction to Simplify layout; Make the typical Case speedy; and Dependability through Redundancy
Includes a whole set of up to date and stronger routines

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Additional resources for Computer Organization and Design: The Hardware/Software Interface (5th Edition) (The Morgan Kaufmann Series in Computer Architecture and Design)

Sample text

The syntax and semantic restrictions placed on B0 allow the direct construction of the translator. The B method is currently used in the context of rail transport to develop safety software applications (for example, [DEH 94], [BEH 93] and [WAE 95]). Abrial has also proposed an extension known as “Event-B” [ABR 00, ABR 01], intended for use in analyzing system aspects. 2. Implementation The initial component of our model represents the system aspect, and needs to include the basic functions and properties associated with the risks which must be covered.

The two properties below indicate that the track objects (points and track circuits) have intrinsic safety. The first property shows that points can only be controlled from one position. The second property shows that if a track circuit is free, then no train is present. ∀ po. (po ∈ POINTS) ⇒ ¬ ( controlled_normal (po) = TRUE ∧ controlled_reverse (po) = TRUE)) ∧ ∀ ta. (ta ∈ train) ⇒ free_track(pos_to_track(train_pos(ta))) = FALSE). The property preventing side-on collision is included in the main machine “system_0” in the following form: ∧ ∀ta1.

When two wheels of the same axle of a train are in the zone delimited by the track circuit, a short circuit occurs, and the train is said to be shunting the track circuit. The main function of the track circuit is to detect shunting. Formal Description and Modeling of Risks 15 and abscissa). Passages from one track to another are carried out using switches. 10, a switch is a three-branch track circuit, made up of a fixed component and a mobile component (the point). A point has three logical states: uncontrolled (operational fault detected), a straight position or a divergent position.

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