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Multi-Core Processors: Intel puts the pressure on the developers

by crispin . Original by Lionel - 03/07/2008 16:44:44 CEST - Source: Ars Technica

Manufacturers of processors have arrived at the end of the race concerning frequency; therefore they have decided that the new growth of the power will be done on the number of cores. In order not to disturb the Moore's law, the number of cores must double every 18 months.
But without adapting the software, these cores will not be used for anything other than to consume energy.
The true challenge is thus at the level of software development, and Intel has just given the tone in one of its Blogs, the standard way of communicating delicate information officially.
In this blog, one can read that the developers will not be supposed to learn how to optimize their software for 2,4 8 or 16 cores, but in the near future for tens and then hundreds.
It acts to double the work of the whole. Optimization will take more and more time and will have to start before even writing the first line of code. Before the project starts one needs to know what can be paralleled and how.
The challenge is colossal and will require not only new tools, but also to train the programmers with tasks usually reserved to the people working on work stations. In short, the founders will delegate the technical difficulties they circumvented to other people.
One understands better in this context why Apple decided to make a pause in the esthetics improvement of Mac OS X by announcing Snow Leopard: which will precisely be the start of this new challenge.
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