Description:
The Oberon language and system.
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DataStructure representing SyntaxDiagrams?
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In the 70's there was a 2 or 3 issue article in the BYTE periodical,
developing a PASCAL compiler in BASIC. Since I had just then learned about
Finite-State-Machines represented by diagrams equivalent to syntax-diagrams
and since I wanted to make the HP [IEEE488-instrument-driver] desktop
calculator into a PASCAL-like language controller for a suite of... more »
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On Graphics library of the Oberon OS
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Dear All,
I beg your pardon, in case you do not like the question about an operating system in a language forum. I could not find comp.os.oberon, so put the question here. Please suggest if there is a better place, i should have gone to.
My query is, in oberon OS, how graphics is handled?
Bottom-most layer must be hardware.... more »
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Hacker. (not h4x0r) Glider tee-shirt - hand screened
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Sorry for 'spamming' the group, but I thought you might be interested.
Hacker. (not h4x0r) Glider tee-shirt - hand screened
[link]
hand
Are you a hacker? We're talking real hackers here. Coders and members of the hacker culture surrounding Atari, and Amiga; Oberon/Aos and Plan 9;... more »
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Is this algorithm modification valid?
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This is a complex query.
The <software.eng> USEnet group seems not to handle such
general algorithm queries.
Editors commonly have Search&Replace facilities, but one's
that I know, handle only one or a few lines. The application
that I need it for, should also handle a small subset of regular... more »
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Paraellel bucketsort have been updated to version 1.03
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Hello...
I have updated parallel bucketsort to version 1.03 , and
now it's more faster i have changed a little bit the interface,
now you have to pass to the bucketsort method four
parameters: the array,a TSortCompare function and a TSort1
function and a constant ctAscending or ctDescending to sort... more »
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Reader-Writer lock implementation and Distributed Reader-Writer Mutex
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Hello...
I have implemented the Object Pascal Distributed Reader-Writer Mutex
based on the C++ Distributed Reader-Writer Mutex by Dmitry Vyukov,
in this post i will discuss the TomniMREW reader-writer lock by
Primoz Gabrijelcic.
Lets take a look at the source code and my explaination will follow:... more »
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About CAS and scalability...
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Hello,
When the CAS operation "goes on the bus", use of CAS can impair scalability.
but CAS can be accomplished locally -- that is, with no bus transactions --
and then it can scale.
If we then change the CAS operation that goes on the bus to a normal store
you'll also see a similar slow-down in terms of coherency bus traffic, CAS... more »
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Distributed Reader-Writer Mutex 1.0
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Hello,
Distributed Reader-Writer Mutex 1.0
Description:
Distributed Reader-Writer Mutex, based on the Dmitry Vyukov
C++ Distributed Reader-Writer Mutex , I have included the following
Reader-Writer Mutexes inside this Distributed Reader-Writer mutex:
TOmniMREW a light weight MREW that is very fast and... more »
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parallel sorting algorithms
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Hello,
Take a look down the the following link...it's about parallel partition:
[link]
i have tried to simulate this parallel partition method ,
but i don't think it will scale cause we have to do a merging,
which essentially is an array-copy operation but this array-copy... more »
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Missing constant data arrays= big hole
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Actually I'm mainly just testing this new USEnet client.
CB claims that it's futile to include constant data arrays, because no
matter the size, they'll always be too small for some cases.
He seems to be refering to data which you'd keep in files, like picture
pixel.
The real need for data-arrays is for data-driven-programming.... more »
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