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Download Accelerating MATLAB Performance: 1001 Tips to Speed Up by Yair M. Altman PDF

By Yair M. Altman

The MATLAB® programming atmosphere is frequently perceived as a platform compatible for prototyping and modeling yet no longer for "serious" purposes. one of many major lawsuits is that MATLAB is too sluggish.

Accelerating MATLAB Performance goals to right this notion by means of describing a number of how one can tremendously enhance MATLAB software pace. choked with millions of useful assistance, it leaves no stone unturned, discussing each element of MATLAB.

Ideal for beginners and execs alike, the publication describes MATLAB functionality in a scale and intensity by no means sooner than released. It takes a accomplished method of MATLAB functionality, illustrating quite a few how you can reach the specified speedup.

The e-book covers MATLAB, CPU, and reminiscence profiling and discusses numerous tradeoffs in functionality tuning. It describes the application in MATLAB of commonplace tuning innovations utilized in the software program undefined, in addition to equipment which are particular to MATLAB reminiscent of utilizing various facts forms or integrated functions. 

The booklet discusses MATLAB vectorization, parallelization (implicit and explicit), optimization, reminiscence administration, chunking, and caching. It explains MATLAB's reminiscence version and information the way it should be leveraged. It describes using GPU, MEX, FPGA, and different kinds of compiled code, in addition to thoughts for dashing up deployed purposes. It information particular tips for MATLAB GUI, photos, and I/O. It additionally experiences a large choice of utilities, libraries, and toolboxes which may support to enhance performance.

Sufficient info is equipped to permit readers to instantly practice the feedback to their very own MATLAB courses. vast references also are incorporated to permit those that desire to extend the therapy of a specific subject to take action easily.

Supported through an energetic site and diverse code examples, the booklet may help readers speedily reach major mark downs in improvement expenditures and application run instances.

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Extra resources for Accelerating MATLAB Performance: 1001 Tips to Speed Up MATLAB Programs

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1 Presenting Continuous Feedback for Ongoing Tasks Providing feedback to the user is arguably the most important advice for improved perceived performance. The basic idea is that when users receive sensual (typically visual) feedback about an ongoing task, they are much more at ease waiting for the task to complete, than without feedback. In this latter case, users do not know when the task is expected to end, or even that it is in fact handling the request properly. This heightens the users’ psychological anxiety, which prolongs the perceived run time.

Performance speedup goals need not (and in fact should not) be a single number, but rather a function of the system load and other external considerations. We should decide on acceptable performance degradation in system load, prepare the test harness and profile. We might well find that having graceful degradation means that the system is suboptimal (a bit slower) for the common scenario (no load) — this is definitely a tradeoff worth considering, so that the common scenario achieves its higher performance goal, at the expense of uncommon load scenarios.

It also enables simpler virtualization, meaning that multiple users could share the now-more-powerful computer resources at the same time. On the other hand, vertical scaling typically involves higher-than-linear costs per performance. This means that in general (and yes, there are always exceptions to this rule) in order to achieve a 2× speedup we would need to more-than-double our existing hardware value, typically by a factor much larger than 2. The larger the requested speedup, the (much) larger the cost.

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