02-06-2010
Good post.
On these topics, I find the definition of the term is relative to where the person "sits".
For example, HPC to a web architect is very different than HPC to an ASIC designer and is also very different to a trading systems architect. That is why I said the use of the term is relative.
The same is true for other TLA, like SOA, for example. To a CIO, a "service" might be defined as a massive globa IT system. To the web architect, a "service" might be a payment gateway. To a programmer, a "service" might be a piece of code in an object oriented design library. To a chip designer, a "service" might be a graphics card on the motherboard bus.
"High Performance" is relative to the application, which is very different depending on where you "sit". This is also very true for the term "computing".
These terms are relative to the level of architectural and application abstraction and granularity.
This concept is hard for many people to grasp, especially those who work in a specific area and who define terms based on their own perspective; and often this is a major cause of problems in IT systems design because people tend to forget that the perspective of the user defines their worldview.
Another way of saying this is "All politics are local."
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LEARN ABOUT OPENSOLARIS
i286
machid(1) User Commands machid(1)
NAME
machid, sun, iAPX286, i286, i386, i486, i860, pdp11, sparc, u3b, u3b2, u3b5, u3b15, vax, u370 - get processor type truth value
SYNOPSIS
sun
iAPX286
i386
pdp11
sparc
u3b
u3b2
u3b5
u3b15
vax
u370
DESCRIPTION
The following commands will return a true value (exit code of 0) if you are using an instruction set that the command name indicates.
sun True if you are on a Sun system.
iAPX286 True if you are on a computer using an iAPX286 processor.
i386 True if you are on a computer using an iAPX386 processor.
pdp11 True if you are on a PDP-11/45tm or PDP-11/70tm.
sparc True if you are on a computer using a SPARC-family processor.
u3b True if you are on a 3B20 computer.
u3b2 True if you are on a 3B2 computer.
u3b5 True if you are on a 3B5 computer.
u3b15 True if you are on a 3B15 computer.
vax True if you are on a VAX-11/750tm or VAX-11/780tm.
u370 True if you are on an IBM(R) System/370tm computer.
The commands that do not apply will return a false (non-zero) value. These commands are often used within makefiles (see make(1S)) and
shell scripts (see sh(1)) to increase portability.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO
make(1S), sh(1), test(1), true(1), uname(1), attributes(5)
NOTES
The machid family of commands is obsolete. Use uname -p and uname -m instead.
SunOS 5.11 5 Jul 1990 machid(1)