February 1998
- OT: Following in the footsteps of JCL Alex Oren
- OT: Following in the footsteps of JCL Nathan Yospe
- OT: Following in the footsteps of JCL Richard Woolcock
- OT: Following in the footsteps of JCL Chris Gray
- OT: Following in the footsteps of JCL coder@ibm.net
- OT: Following in the footsteps of JCL Marc Eyrignoux
- Ada? Andrew C.M. McClintock
- Monthly FAQ posting Koster, Raph
- Monthly FAQ posting Adam Wiggins
- Monthly FAQ posting Ling
- Monthly FAQ Posting Ling
- Monthly FAQ Posting Ling
- Monthly FAQ Posting Ling
- Monthly FAQ Posting Chris Gray
- Monthly FAQ Posting Ling
- Monthly FAQ Posting J C Lawrence
- Monthly FAQ Posting J C Lawrence
- Monthly FAQ Posting Alex Oren
- Monthly FAQ Posting Greg Miller
- Monthly FAQ Posting s001gmu@nova.wright.edu
- Monthly FAQ Posting Ling
- Monthly FAQ Posting Ling
- Monthly FAQ Posting Ling
- Monthly FAQ Posting Ling
- Monthly FAQ Posting Ling
- Monthly FAQ Posting Ling
- Monthly FAQ Posting Ling
- Monthly FAQ Posting Ling
- Monthly FAQ Posting Ling
- Monthly FAQ Posting Ling Lo
- Monthly FAQ Posting Koster, Raph
- Monthly FAQ Posting Ling Lo
- Monthly FAQ Posting Greg Miller
- Monthly FAQ Posting Marian Griffith
- Monthly FAQ Posting Greg Miller
- Monthly FAQ Posting Ling Lo
- Databases Shawn Halpenny
- OT: This is a test coder@ibm.net
- OT: This is a test Alex Oren
- Clients and things [Was: OT: This is a test] Matt Chatterley
- Clients and things [Was: OT: This is a test] coder@ibm.net
- Clients and things [Was: OT: This is a test] Matt Chatterley
- MUD Development Digest Dr. Cat
- DBs and Events Greg Munt
- DBs and Events Nathan Yospe
- DBs and Events Greg Munt
- DBs and Events Nathan Yospe
- DBs and Events Felix A. Croes
- DBs and Events Jon A. Lambert
- DBs and Events coder@ibm.net
- DBs and Events s001gmu@nova.wright.edu
- DBs and Events Jon A. Lambert
- DBs and Events coder@ibm.net
- (subject missing) Ben Greear
- META: Unsubscribed users dur to bounces coder@ibm.net
- META: Unsubscribed users dur to bounces Adam Wiggins
- Source Code Release Greg Munt
- Source Code Release Ben Greear
- Source Code Release Greg Munt
- Source Code Release Ben Greear
- Source Code Release Greg Munt
- Source Code Release Richard Woolcock
- Source Code Release Ben Greear
- Source Code Release Chris Gray
- Source Code Release Greg Munt
- Source Code Release coder@ibm.net
- Source Code Release Richard Woolcock
- Source Code Release Stephen Zepp
- Source Code Release Jon A. Lambert
- Source Code Release Greg Munt
- Source Code Release Jon A. Lambert
- Source Code Release Greg Munt
- Source Code Release Travis Casey
- Source Code Release Jon A. Lambert
- Source Code Release Jon A. Lambert
- [RESEARCH]MUD articles archive (fwd) Greg Munt
- Socket programming (Was: The impact of the web on muds) Jon Leonard
- Socket programming (was: The impact of the web on muds) Vadim Tkachenko
- Socket programming (was: The impact of the web on muds) Richard Woolcock
- byte-code anyone? Chris Gray
- byte-code anyone? Jon Leonard
- byte-code anyone? Chris Gray
- byte-code anyone? Jon Leonard
- byte-code anyone? Chris Gray
[Jon Leonard:]
:Maybe I should have said "test with tiny cases first". Whenever I've
:spent a long time tracking down a bug, it turns out that there's a simpler
:test that would have shown me the bug if I'd been more careful.
:Consequently, I test for correctness early and often.
Fully agreed here. I did in fact run some simple byte-code functions late
that weekend, but haven't done much since then. Most of my work gets done
on weekends. My main problems so far have been issues involving the
integration of the byte-code stuff with the rest of the system. Right
now the compiled byte-code gets saved in the DB, and loaded when the
function is referenced, but somewhere just after that, the byte-code
pointer seems to get NULL-ed. I'll get there eventually!
:That is the other option, controlling all the possible bytecode sources.
:Since my design calls for (eventually) passing code between servers that
:don't trust each other, I can't do that.
Ah yes, that'll do it. The same with Java, of course.
:It's a matter of taste, efficiency, and paranoia.
:
:I'm a little suprised that the default case slows it down a lot. Maybe
:the C compiler doesn't know to just translate it as an index into a
:256-element jump table (I assume you switch() on a byte), and fill in
:all the unspecified ones with the default.
Well, I'm currently doing this with a non-C compiler of my own, so I'm
fully to blame for any inefficiencies. Currently, the compiler will omit
testing for range if the index type is an enumeration and all of the
enumeration values are explicitly mentioned in the case statement. The
choice between an index-case and a binary-search-case is based on the
density of the values. But you are right, I could likely note that the
index type is 1-byte, and just make a large enough table. I've also
thought about making the opcodes all be multiples of 2, so that the
case code doesn't have to do the shift to access the offsets (which
would also require hacking the compiler). The C version of my system
will be updated when the byte-code is done - I struggled with the choice
of which version to work in for this, and decided I prefer my own
language, and want to keep that version up-to-date anyway.
:File that under "Jon's advice to himself", then. This stuff is taking
:me quite a while. Maybe the fact that I keep working on other things
:is at fault.
Nod. I have even weaker excuses, actually :-(
--
Chris Gray cg@ami-cg.GraySage.Edmonton.AB.CA
- byte-code anyone? Chris Gray
- user-centered design (was Clients) Mike Sellers
- OT: Linux g++ Greg Munt
- OT: Linux g++ Ben Greear
- OT: Linux g++ coder@ibm.net
- OT: Linux g++ Shawn Halpenny
- OT: Linux g++ Chris Gray
- OT: Clients Vadim Tkachenko
- OT: Clients Adam Wiggins
- OT: Clients coder@ibm.net
- META: OS wars coder@ibm.net
- META: OS wars Mike Sellers
- Clients Stephen Zepp
- Moore's Law sucks (was: 3D graphics) Brandon J. Rickman
- Moore's Law sucks (was: 3D graphics) Adam Wiggins
- Moore's Law sucks (was: 3D graphics) Chris Gray
- Moore's Law sucks (was: 3D graphics) coder@ibm.net
- Moore's Law sucks (was: 3D graphics) Brandon J. Rickman
- Moore's Law sucks (was: 3D graphics) Mike Sellers
- Moore's Law sucks (was: 3D graphics) Chris Gray
- Moore's Law sucks (was: 3D graphics) Ben Greear
- Moore's Law sucks (was: 3D graphics) Ling
- Moore's Law sucks (was: 3D graphics) Brandon J. Rickman
- Moore's Law sucks (was: 3D graphics) coder@ibm.net
- Moore's Law sucks (was: 3D graphics) Alex Oren
- Version Control (was: DBs and Events) Vadim Tkachenko
- Version Control (was: DBs and Events) coder@ibm.net
- Version Control (was: DBs and Events) Vadim Tkachenko
- Version Control (was: DBs and Events) coder@ibm.net
- Version Control (was: DBs and Events) coder@ibm.net
- Version Control (was: DBs and Events) Jon A. Lambert
- Version Control (was: DBs and Events) s001gmu@nova.wright.edu
- Version Control (was: DBs and Events) Raph & Kristen Koster
- Version Control (was: DBs and Events) coder@ibm.net
- Version Control (was: DBs and Events) Felix A. Croes
- Net protocols for MUDing (was: Moore's Law sucks) Jon Leonard
- Net protocols for MUDing (was: Moore's Law sucks) coder@ibm.net
- Net protocols for MUDing (was: Moore's Law sucks) s001gmu@nova.wright.edu
- Net protocols for MUDing (was: Moore's Law sucks) Vadim Tkachenko
- Net protocols for MUDing (was: Moore's Law sucks) Chris Gray
- Net protocols for MUDing (was: Moore's Law sucks) Caliban Tiresias Darklock
- Net protocols for MUDing (was: Moore's Law sucks) J C Lawrence
- Net protocols for MUDing (was: Moore's Law sucks) J C Lawrence
- Net protocols for MUDing (was: Moore's Law sucks) Adam Wiggins
- Net protocols for MUDing (was: Moore's Law sucks) Chris Gray
- Net protocols for MUDing (was: Moore's Law sucks) Vadim Tkachenko
- Net protocols for MUDing (was: Moore's Law sucks) Chris Gray
- Net protocols for MUDing (was: Moore's Law sucks) Vadim Tkachenko
- Net protocols for MUDing (was: Moore's Law sucks) Chris Gray
- Net protocols for MUDing (was: Moore's Law sucks) Adam Wiggins
- Net protocols for MUDing (was: Moore's Law sucks) Chris Gray
- Net protocols for MUDing (was: Moore's Law sucks) J C Lawrence
- Net protocols for MUDing (was: Moore's Law sucks) Chris Gray
- Net protocols for MUDing (was: Moore's Law sucks) Adam Wiggins
- Net protocols for MUDing (was: Moore's Law sucks) Ben Greear
- Net protocols for MUDing (was: Moore's Law sucks) Adam Wiggins
- Net protocols for MUDing (was: Moore's Law sucks) s001gmu@nova.wright.edu
- Net protocols for MUDing (was: Moore's Law sucks) Jon A. Lambert
- Net protocols for MUDing (was: Moore's Law sucks) J C Lawrence
- VEIL (was: Clients) Brandon Gillespie
- LDMs (large dynamic maps) was Unique items Mike Sellers
- Describing the environment Stephen Zepp
- Describing the environment Richard Woolcock
- Back on the list Niklas Elmqvist
- Back on the list Chris Gray
- Back on the list coder@ibm.net
- Unique items The Eternal City
- Unique items coder@ibm.net
- Position sorting Adam Wiggins
- Position sorting coder@ibm.net
- Unique items coder@ibm.net
- Unique items Nathan F Yospe
- BOOK: Myer's Silverlock coder@ibm.net
- BOOK: Myer's Silverlock Chris Gray
- BOOK: Myer's Silverlock Adam Wiggins
- Dynamic Loading of Modules (was: Back on the list) Niklas Elmqvist
- Dynamic Loading of Modules (was: Back on the list) Vadim Tkachenko
- Dynamic Loading of Modules (was: Back on the list) J C Lawrence
- Dynamic Loading of Modules (was: Back on the list Jon A. Lambert
- Net protocols for MUDing s001gmu@nova.wright.edu
- Net protocols for MUDing Stephen Zepp
- Net protocols for MUDing Chris Gray
- Net protocols for MUDing Adam Wiggins
- Net protocols for MUDing J C Lawrence
- Net protocols for MUDing Shawn Halpenny
- Net protocols for MUDing J C Lawrence
- Net protocols for MUDing Chris Gray
- Dynamic Loading of Modules Niklas Elmqvist
- Senses (was: The MLI Project) s001gmu@nova.wright.edu
- bar-time (was The MLI Project) Mike Sellers
- 3D engines for MUDs (was: The MLI Project) Niklas Elmqvist
- 3D engines for MUDs (was: The MLI Project) J C Lawrence
- 3D engines for MUDs (was: The MLI Project) Michael Hohensee
- 3D engines for MUDs (was: The MLI Project) Miroslav Silovic
- 3D engines for MUDs (was: The MLI Project) Michael Hohensee
- Why not compile java into object code? Ben Greear
- Why not compile java into object code? Cynbe ru Taren
- Why not compile java into object code? Caliban Tiresias Darklock
- Why not compile java into object code? Nathan F Yospe
- Why not compile java into object code? Niklas Elmqvist
- Why not compile java into object code? Ben Greear
- Why not compile java into object code? Jon A. Lambert
- Why not compile java into object code? Travis Casey
- Why not compile java into object code? Chris Gray
- Tutorial: Comments on Hand-crafting a compiler Jon A. Lambert
- Tutorial: Let's build a Compiler! - Part I: Introduction Jon A. Lambert
- Tutorial: Let's build a Compiler! - Part II: Expression Parsing Jon A. Lambert
- Tutorial: Let's build a Compiler! - Part I: Introductio Chris Gray
- Tutorial: Let's build a Compiler! - Part I: Introductio s001gmu@nova.wright.edu
- Tutorial: Let's build a Compiler! - Part I: Introductio coder@ibm.net
- MUD Development Digest Dr. Cat
- MUD Development Digest Koster, Raph
- MUD Development Digest Mike Sellers
- Tutorial: Let's build a Compiler! - Part III: More Expressions Jon A. Lambert
- Tutorial: Let's build a Compiler! - Part IV: Interpreters Jon A. Lambert
- Tutorial: Let's build a Compiler! - Part V: Control Constructs Jon A. Lambert
- Tutorial: Let's build a Compiler! - Part VI: Boolean Expressions Jon A. Lambert
- Tutorial: Let's build a Compiler! - Comments Jon A. Lambert
- Tutorial: Let's build a Compiler! - Part VII: Lexical Scanning Jon A. Lambert
- Tutorial: Let's build a Compiler! - Part VIII: A Little Philosophy Jon A. Lambert
- Tutorial: Let's build a Compiler! - Part IX: A Top View Jon A. Lambert
- Tutorial: Let's build a Compiler! - Part X: Introducing TINY Jon A. Lambert
- Compilers: Toy available for ftp Chris Gray