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[Allen Huffman]

Steve Gipson at GRC.com (the guy who coined the term spyware and does the excellent Security Now podcast) is the only modern author I know that still writes all his PC stuff in assembly... Thus, they will be like 40K instead of 50GB. Amazing.

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Allen Huffman - PO Box 22031 - Clive IA 50325 - 515-999-0227 (vmail/TXT only)
http://www.subethasoftware.com - https://www.facebook.com/subethasoftware
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> On Jan 8, 2015, at 6:41 AM, Steven Hirsch <snhirsch at gmail.com> wrote:
> 
>> On Thu, 8 Jan 2015, Nick Marentes wrote:
>> 
>> The same can be said of PC's and Mac's. They seem fast with their gigahertz processor speeds and gigabytes of RAM but I bet if the OS was written in 100% optimized M/L, the speed would be breathtaking. Of course, it means developing code is a lot more difficult and more difficult for others to understand.
> 
> It's harder than you might think to hand-optimize M/L code for CPUs that do speculative and out-of-order execution on multiple instruction pipelines.  At 10,000 ft. an Intel Core-whatever may look somewhat like its '486 predecessors, but down at the silicon we're not in Kansas anymore.
> 
> When you are writing an operating system, hand-crafted assembly code is required for some things.  At the application level?  Rarely, if ever.  A lot of effort goes into the optimization and code-generation stages in modern compilers.
> 
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