Index_S

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S

Sampling theorem, 229

Saturated devices, 248

Scheduling, 70-71, 105

CPU, 384-86

distributions and, 134-35

goal, 105

model, 447

multilevel timeslice, 71

process, 133

See also Process management

Scheduling algorithms, 133-37

FCFS, 133, 135

LCFS, 133

relationship to computer systems performance, 135-37

round robin, 133-34, 135

SRTF, 134

value-driven, 134

Secondary storage

architectures and, 8, 50-54

archival devices, 53-54

magnetic devices, 52-53

optical devices, 52-53

peripheral devices and, 50-54

tape devices, 51-52

Security manager, 96

Semaphores, 66-67

Shared memory model, 351

Shortest remaining time first (SRTF), 134

Simscript, 269-70

bank teller pension code, 270

defined, 269

features, 269

simulation pieces, 269

See also Simulation languages

Simulation languages, 261-73

development, 261-62

early, 262

GASP IV, 262-66

GPSS, 266-69

Simscript, 269-70

SLAM II, 270-73

Simulation modeling, 256-61

combined, 260-61

continuous, 258-60

discrete, 256-58

hybrid, 261

queuing, 260

Simulation(s), 28-29, 32-33

analysis, 251-78

applications, 273-77

continuous, 258

data input/extraction and, 254

discrete, 32

drawbacks, 32

flexibility and, 333-34

LAN, 463-93

models, 33, 256-61

next event, 482

operating system test, 380-97

process, 253-55

programs, 253, 276-77

queue-based, 32

reasons for using, 251

summary, 278

systems and, 252-53

systems and modeling, 256-61

time control, 255-56

trace-driven data and, 255

uses, 252

See also Modeling tools

SLAM II, 270-73

advantages, 270-71

bank teller problem code, 273

bank teller problem network model, 272

defined, 270

FORTRAN coding, 271

network model code, 277

network model for assembly line problem, 274

network model for distributed database system, 275-76

symbols/statements, 271-72

See also Simulation languages

Software monitors, 114-15, 320-21

code fragments, 320

drawbacks, 321

event design approach, 320

operating systems code access and, 321

system resource use, 321

See also Data extraction

Star topology, 59

State transition diagrams

birth-death process, 189

for closed system, 221

Markov process, 194

M/M/C queuing system, 216

M/M/I queuing system, 209

probability, 356

State transition timing graph, 296

Stochastic processes, 179-200, 205

Bernoulli, 182-83

continuous, 180

counting process, 180

defined, 179

discrete, 180

independent, 182

Markov, 179, 192-200

order of functions and, 180-81

Poisson, 184-86

representation, 179-80

stationary, illustrated, 183

stationary increment, 182

See also Processes

Structured Query Language (SQL), 84, 85, 89, 431

Synchronous timing, 255

System architectures, 362-72

LINUX, 362-65

Windows ME, 369-72

Windows NT, 367-69

Windows XP, 365-67

See also Operating systems

System-oriented performance measures, 107, 108



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Computer Systems Performance Evaluation and Prediction
Computer Systems Performance Evaluation and Prediction
ISBN: 1555582605
EAN: 2147483647
Year: 2002
Pages: 136

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