Linked by Thom Holwerda on Wed 18th May 2011 21:50 UTC, submitted by fran
Windows The ARM version of Windows 8 might have just become the most desired version of Windows in our hearts and minds. After us talking about legacy code and backwards compatibility in Windows for years now, an Intel senior vice president, Renee James, has just stated that Windows 8 on ARM will not have any form of compatibility for legacy applications whatsoever. Update: Microsoft has responded to Intel's claims. "Intel's statements during yesterday's Intel Investor Meeting about Microsoft's plans for the next version of Windows were factually inaccurate and unfortunately misleading," the company said, "From the first demonstrations of Windows on SoC, we have been clear about our goals and have emphasized that we are at the technology demonstration stage. As such, we have no further details or information at this time."
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RE[5]: Comment by orestes
by toast88 on Thu 19th May 2011 23:54 UTC in reply to "RE[4]: Comment by orestes"
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As long as the underlying HAL is code-optimised (crucial job for OS developers), developers shouldn't be so engrossed with the performance of the architecture. I think that is his/her perspective.

Sorry, but this is non-sense. Anyone is interested in A/C codecs and JIT compiler with decent speeds, this got nothing to do with productivity.

If you want to find out what difference hand-optimized assembly code makes, just compare the JavaScript performance of Internet Explorer (32 bit) with the JavaScript performance of its 64 bit counterpart which does not yet have a JIT compiler.

Ask yourself why it took Sun ages to port the Java plugin to x86_64 or why Adobe still hasn't been able to push Flash on 64 bit further than beta status. It's because they have to keep up the assembly.

You're probably also going to tell me that one never needs more than one CPU cores because one person cannot perform more than one task at the same time, right? (completely neglecting high performance applications like data centers, rendering farms, compute clusters etc)


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