Beautiful Architecture

Mackie diagrams
Tandem computers, 176
Maillart, Robert, 378
maintainability
creeping featurism in GNU Emacs, 275
mapping
data in Facebook, 114
session keys in Facebook, 123
maps (see architectural maps; road maps)
marker objects
Emacs Lisp, 268
massively multiplayer online games (MMOs), 45,
49
memoization
NetKernel, 97, 108
memory
addressing, 179
KDEPIM, 291
management, 210, 239, 257
MMTk, 257
runtime layout in Jikes RVM, 243
shared memory, 176
spatial overhead in JPC, 208
Tandem computers, 181
virtual memory, 161, 162
Memory Management Toolkit (MMTk)
Jikes RVM, 257
messages
channels in Project Darkstar, 55
Guardian operating system, 186–190, 192
system messages, 192
Messy Metropolis project, 26–33
meta-services
in Project Darkstar, 52
metacircular virtual machines
RVM, 235–260
metadata
about, 97
Akonadi and PIM, 298
Lifetouch, 69
metaprogramming
latent typing, 366
method call batching
Facebook Platform, 125
methods
performance, 207
microcoding
IA-32 architecture, 215
Microsoft Word
compared to GNU Emacs, 273
Mies van der Rohe, Ludwig, 375
migrations
databases in Lifetouch, 81
MIR (Machine-level Intermediate Representation)
Jikes RVM, 249

MMOs (massively multiplayer online games), 45

about, 49

MMTk (Memory Management Toolkit)

Jikes RVM, 257

Model-View-Controller pattern

GNU Emacs, 266

models

application-as-service model, 136

architecture evaluation, 19

conceptual models, 34

iframe model, 136

n-tier architecture model, 115, 135

modularity

distribution of knowledge criterion, 344

extendibility criteria, 322

of functional solutions, 321–330

reusability and extendibility, 336–341

types and modules, 332

modules

defined, xvii

dependencies in Lifetouch, 69

and types, 332

monads

functional languages, 328

monitoring

loads, 56

Moore’s law

chips and scaling, 47

multicore processors

use in MMOs and virtual worlds, 47

multithreading

in Project Darkstar, 60

Tandem computers, 187

music composition, 7

N

n-tier architecture model

Facebook, 115, 135

names

files and processes, 190

as a human construct, 93

on Web, 94

native code

Jikes RVM, 256

Nepomuk project

KDE, 299

NetKernel

memoization, 97, 108

using, 106

networking

Guardian operating system, 189

NIO image transfer

Lifetouch, 78

“NonStop” computers, 175–185

notifications (see asynchronous notifications)

INDEX 399