Example of web application for regression fitting of parameters

# control variables may be optionally defined here. These expressions
#   set the default values
# $convergence_limit = .0001  #(real)
$iteration_limit = 10000       #(integer)
# $print_interval = 1	     #(integer)
# $coefficient_of_variation = 0.9	# (real) (should be named under_relaxation)

# execution control
# $solver = lqns (analytic)  OR parasrvn (simulation) OR petrisrvn
# (petri-net, needs GreatSPN2.0 tool from Genoa)

# Parameter settings $name = value OR $name = v1, v2, v3... 
# OR $name =  v1 v2 v3  OR $name = start-value:end-value , step-value. 
# Values are numeric.

$nusers = $val1  #10
$DirDemand = $val2  #0.1
$WSDemand = $val3 #0.4
$appDph1 = $val4 #0.2
$appDph2 = $val5 #0.2
$DBopD = $val6 #  0.1
$mApp = $val7 #  1
$wsThreads = $val8 #par8  3
$think = $val9  #par9  5


# The rest of the file has exactly the same syntax as the orginal
# lqns/srvn model file syntax except that the values of the named parameters
# defined above may be used in place of hard-coded values.

G "..." 0.00001 10000 1 0.9 -1

# Processor Information: No of processors
P 0
# Processor parameters, ending with optional observation of throughput
#            of form:   %u $obs-name 
#p ProcessorName SchedDiscipline [multiplicity, default = 1]
#	Discipline = f fifo|r random|p premptive|
#			h hol or non-pre-empt|s proc-sharing
#	multiplicity = m value (multiprocessor)|i (infinite)
p InfP f i  
p WSP s m 2
p AppP s
p DBP s 
# End of Processor Information
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# Task Information: No of Tasks
T 0
# Task parameters, with optional observation controls at end of line
#  of form: %u0 $varname..... total task utilization
#           %u2 $varname..... phase 2 utilization (any phase after u)
#           %f  $varname..... throughput
#           %pu $varname..... processor utilization of the task
#t TaskName RefFlag EntryList -1 Processor [multiplicity]
#	RefFlag = r (reference or user)|n (other)
#	multiplicity = m value (multiprocessor)|i (infinite)
t Users r users -1 InfP m $nusers %f $Thru
t Response n respTime -1 InfP i
t WS n webServ -1 WSP m $wsThreads %u0 $WSutn
t App n appOp -1 AppP m $mApp
t Dir n dirServ -1 AppP 
t DB n dbOp -1 DBP m 1 %u0 $DButn
# End of Task Information
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#Entry Information: No. of Entries
E 0
# Entry parameters, with observation controls at end of line
# of form %<key><phase> $obs-name
# ParameterToken EntryName Phase1value Phase2 Phase3 -1
# Tokens and Value Definitions are:
# a External arrival rate of requests
#	%w $varname..... waiting time of requests at the entry.
# s HostServiceRequests for EntryName
#	%u0 $varname..... total utilization of the entry
#	%u2 $varname..... utiliation of phase 2 (any phase)
#	%f  $varname..... throughput of the entry
#	%pu $varname..... processor utilization of the entry
#	%s2 $varname..... total phase 2 service time of the entry (any phase)
#	%v  $varname..... coefficient of variation of the service time
#of phase 2 (or any phase in place of 2)
#	%fb $varname..... throughput bound calculated by lqns
#	%pw $varname..... processor waiting for execution in this entry
# c HostServiceCoeeficientofVariation
# f PhaseTypeFlag (0 for stochastic, 1 for deterministic no of calls)
# These lines go Token FromEntry ToEntry Phase1Value Phase2 Phase3 -1
# Tokens and Value definitions are:
# F ProbForwarding (forward to this entry rather than replying)
# z AsynchronousCalls (or no. of sned-no-reply messages)
# o Fanout (for replicated servers)
# i FanIn (for replicated servers)
# y SynchronousCalls (no. of rendezvous)
#	%w2 $varname.... waiting for service by a message sent to ToEntry
s users 0 $think -1 
y users respTime 0 1 -1
s respTime 0 0 -1 %s0 $RespTime
y respTime webServ 1  -1
y respTime dirServ 0.1 -1
s dirServ $DirDemand -1
s webServ $WSDemand -1 
y webServ appOp 0.7 -1
s appOp $appDph1 $appDph2 -1 %s1 $appServ
y appOp dbOp 1.5 0.7 -1
s dbOp $DBopD -1
#End of Entry Information
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# The next section provides the observation information to be reported.
# It is a list of parameter names and observation varicable names,
# and expressions in these variables, with names for the expressions
# for which values will be printed in tabular format or plotted.
# $0 = variable defines a variable to be printed first and to be used
# as the independent variable for plots. 
# Plotting is a command line option -F gnu, (for gnuplot) or -F mat
# (for matlab)

R 0
$0 = $Thru
$RespTime
$AppResp = $appServ
$WSutn
$DButn
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