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 This issue, Dr. Dobbıs Ed Nisley runs down the current flock of schema for on-chip and Flash serial memory, and discusses techniques and standards evolving to permit code in such memory to XIP (eXecute In Place). He extends his discussion to address the question of whether or not code execution within the stack is possible in todayıs latest 64-bit designs (uhhh ı yes), talks about hacks and methods for defending against them that go beyond the chipıs native no-execute permissions. Meanwhile, if scaleıs your thing, Brad Martin, Anita Rettinger, and Jasmit Singh of Visual Numerics describe the process they invented for managing an elephantine migration of a 300,000-line, 32-bit app (on 11 platforms!) to 64 bits (hint: stay organized).
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Memory Matters
Ed Nisley
Ed remembers to tell you that memory really does matter.
Mac OS X Tiger & 64 Bits
Rodney Mach
Before migrating to 64-bit platforms, the first question to ask is whether you really need to do so.
Multiplatform Porting to 64 Bits
Brad Martin, Anita Rettinger, Jasmit Singh
Porting 300,000 lines of 32-bit code to nearly a dozen 64-bit platforms requires careful planning.
Graphics & the 64-Bit World
Jerry Pournelle
SIGGRAPH, the ACM's Special Interest Group on Graphics, is one of the key places to observe computer trends.
Deep Impact
Jerry Pournelle
Jerry looks back when inventing the future, and looks forward to the world of 64-bit computing.
Removing Memory Errors from 64-Bit Platforms
Rich Newman
It's crucial to address potential memory errors before porting to 64-bit platforms.
Moving to MacTel & 64-Bits
Jonathan Erickson
Randal Hoff, director of business development for Faircom, talks about what's involved in porting existing code bases to Mac OS X Server 10.4 "Tiger" in particular, and 64-bit platforms in general. (MP3 audio, 4:41 minutes)
Porting Compilers & Tools to 64 Bits
Steven Nakamoto, Michael Wolfe
Rehosting compilers and tools to 64-bit processors may not be as difficult as you think.
Linux Itanium Polishes Its Image
Nick Baran
Supporters of a powerful platform want to set the record straight.
Moving to 64-Bits
Rodney Mach
64-bit platforms are the future for solving larger and more difficult scientific and business problems.
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