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|
#!/usr/bin/perl
# 0 line number
# 1 keyword
# 2 action
open DIRECTIVES, "| cat -n | grep '//_def_' | sed 's/ .*\\\/\\\/_def_/ / ' > directives__" or die "writing directives" ;
open TEMP1, "> tmp1__" or die "making copy of code" ;
while (<STDIN>) {
print DIRECTIVES ;
print TEMP1 ;
}
close DIRECTIVES ;
close TEMP1 ;
open DEBUG, "> debug__" or die ;
## first pass, preprocess the directives
open DIRECTIVES, "< directives__" or die ;
while (<DIRECTIVES>) {
print TEMP1 ;
$line = $_ ;
@t = split( ' ',$line ) ;
$keyword = $t[1] ;
$action = $t[2] ;
@actionlist = split( ';', $action ) ;
foreach $act ( @actionlist ) {
@dim_vlist = split ( ':', $act ) ;
$dim = $dim_vlist[0] ; $vlist = $dim_vlist[1] ;
foreach $v ( split( ',', $vlist ) ) {
$vars{$v} = $v ;
$dimensionality{$v} = $dim ;
if ( $keyword eq "arg" ) {
$key{$v} = $keyword ;
if ( $dim eq "ikj" ) { $ikj_args{$v} = $v ; }
if ( $dim eq "ij" ) { $ij_args{$v} = $v ; }
}
if ( $keyword eq "local" ) {
$key{$v} = $keyword ;
if ( $dim eq "k" ) { $k_local{$v} = $v ; }
}
if ( $keyword eq "register" ) {
$key{$v} = $keyword ;
if ( $dim eq "0" ) { $register{$v} = $v ; }
}
if ( $keyword eq "copy_up_mem" ) {
if ( $key{$v} ne "arg" ) {
print "//warning: copy_up_mem of $v when $v is not arg.\n" ;
} else {
$copy_up_mem{$v} = $dim ;
if ( $dim eq "ikj" ) { $ikj_shared{$v} = $v ; }
if ( $dim eq "ij" ) { $ij_shared{$v} = $v ; }
}
}
if ( $keyword eq "shared_mem_local" ) {
$key{$v} = $keyword ;
$shared_mem_local{$v} = $dim ;
if ( $dim eq "ikj" ) { $ikj_shared{$v} = $v ; }
if ( $dim eq "ij" ) { $ij_shared{$v} = $v ; }
}
if ( $keyword eq "copy_down_mem" ) {
if ( $key{$v} ne "arg" ) {
print "//warning: copy_down_mem of $v when $v is not arg.\n" ;
} else {
$copy_down_mem{$v} = $dim ;
if ( $dim eq "ikj" ) { $ikj_shared{$v} = $v ; }
if ( $dim eq "ij" ) { $ij_shared{$v} = $v ; }
}
}
}
}
}
close DIRECTIVES ;
## seond pass, modify the code
## and preprocess deferred directives
$spton=0 ;
open TEMP1, "< tmp1__" or die ;
while (<TEMP1>) {
$line = $_ ;
# toggle on and off between SPTSTART and SPTSTOP
if ( $line =~ "SPTSTART" ) { $spton = 1 ; }
elsif ( $line =~ "SPTSTOP" ) { $spton = 0 ; }
if ( $spton == 1 ) {
# handle copy_up_mem and copy_down_mem directives in line
if ( $line =~ m/\/\/\s*_def_\s+copy_up_mem\s/ ) {
@t = split( ' ',$line ) ;
$action = $t[2] ;
@dim_vlist = split ( ':', $action ) ;
$vlist = $dim_vlist[1] ;
foreach $v ( split( ',', $vlist ) ) {
print "LOCSM(${v}_s,bx*by*kx) ;\n" ;
}
print "{ int k ; \n" ;
foreach $v ( split( ',', $vlist ) ) {
print "for(k=kps-1;k<kpe;k++){${v}_s[S3(ti,k,tj)]=${v}[P3(ti,k,tj)];}\n" ;
}
print "}\n" ;
}
elsif ( $line =~ m/\/\/\s*_def_\s+register\s/ ) {
@t = split( ' ',$line ) ;
$action = $t[2] ;
@dim_vlist = split ( ':', $action ) ;
$vlist = $dim_vlist[1] ;
foreach $v ( split( ',', $vlist ) ) {
print "float ${v}_reg ;\n" ;
}
}
elsif ( $line =~ m/\/\/\s*_def_\s+shared_mem_local\s/ ) {
@t = split( ' ',$line ) ;
$action = $t[2] ;
@dim_vlist = split ( ':', $action ) ;
$vlist = $dim_vlist[1] ;
foreach $v ( split( ',', $vlist ) ) {
print "LOCSM(${v}_s,bx*by*kx) ;\n" ;
}
}
elsif ( $line =~ m/\/\/\s*_def_\s+copy_down_mem\s/ ) {
@t = split( ' ',$line ) ;
$action = $t[2] ;
@dim_vlist = split ( ':', $action ) ;
$vlist = $dim_vlist[1] ;
print "{ int k ; \n" ;
foreach $v ( split( ',', $vlist ) ) {
print "for(k=kps-1;k<kpe;k++){${v}[P3(ti,k,tj)]=${v}_s[S3(ti,k,tj)];}\n" ;
}
print "}\n" ;
}
elsif ( $line =~ m/\/\/\s*_def_\s+local\s/ ) {
$line = $_ ;
@t = split( ' ',$line ) ;
$keyword = $t[1] ;
$action = $t[2] ;
@actionlist = split( ';', $action ) ;
foreach $act ( @actionlist ) {
@dim_vlist = split ( ':', $act ) ;
$dim = $dim_vlist[0] ; $vlist = $dim_vlist[1] ;
foreach $v ( split( ',', $vlist ) ) {
if ( $dim eq "k" ) {
print "#if (FLOAT_4 == 4)\n" ;
print " Float4 ${v}[MKX] ; \n" ;
print "#else\n" ;
print " float ${v}[MKX] ; \n" ;
print "#endif\n" ;
}
}
}
}
# otherwise do not touch lines with // in them
elsif ( ! ($line =~ m/\/\//) ) {
@t = split( /\W+/,$line ) ;
%seen = "" ;
foreach $token ( @t ) {
if ( ! $seen{$token} ) {
$seen{$token} = $token ;
foreach $v ( keys %vars ) {
if ( "$v" eq "$token" ) {
$dim = $dimensionality{$v} ;
$keyw = $key{$v} ;
$nodex=0 ;
if ( $keyw eq "arg" || $keyw eq "shared_mem_local" ) {
if ( $copy_up_mem{$v} || $shared_mem_local{$v} ) {
if ( $dim eq "ikj" ) { $orig = $v."\\[\(.*\?\)\\]" ; $repl1 = $v."_s"."A|S3(ti," ; $repl2 = ",tj)B|" ; }
elsif ( $dim eq "ij" ) { $orig = $v ; $repl1 = $v."_s"."A|S2(ti,tj)B|" ; $repl2 = "" ; }
} else {
if ( $dim eq "ikj" ) { $orig = $v."\\[\(.*\?\)\\]" ; $repl1 = $v."A|P3(ti," ; $repl2 = ",tj)B|" ; }
elsif ( $dim eq "ij" ) { $orig = $v ; $repl1 = $v."A|P2(ti,tj)B|" ; $repl2 = "" ; }
}
} elsif ( $keyw eq "register" ) {
if ( $dim eq "0" ) { $orig = $v."\\[\(.*\?\)\\]" ; $repl1 = $v."_reg" ; $repl2 = "" ; $nodex=1}
} elsif ( $keyw eq "local" ) {
if ( $dim eq "k" ) { $orig = $v."\\[\(.*\?\)\\]" ; $repl1 = $v."A|" ; $repl2 = "B|" ; }
}
# these repetitions are to handle multiple instances of the
# variable being indexed differently on the same line.
if ( $nodex == 0 ) {
$line =~ s/(\W)$orig(\W)/$1$repl1$2$repl2$3/g ;
$line =~ s/(\W)$orig(\W)/$1$repl1$2$repl2$3/g ;
$line =~ s/(\W)$orig(\W)/$1$repl1$2$repl2$3/g ;
$line =~ s/(\W)$orig(\W)/$1$repl1$2$repl2$3/g ;
$line =~ s/(\W)$orig(\W)/$1$repl1$2$repl2$3/g ;
$line =~ s/(\W)$orig(\W)/$1$repl1$2$repl2$3/g ;
$line =~ s/(\W)$orig(\W)/$1$repl1$2$repl2$3/g ;
$line =~ s/(\W)$orig(\W)/$1$repl1$2$repl2$3/g ;
$line =~ s/(\W)$orig(\W)/$1$repl1$2$repl2$3/g ;
} else {
$line =~ s/(\W)$orig(\W)/$1$repl1$repl2$3/g ;
$line =~ s/(\W)$orig(\W)/$1$repl1$repl2$3/g ;
$line =~ s/(\W)$orig(\W)/$1$repl1$repl2$3/g ;
$line =~ s/(\W)$orig(\W)/$1$repl1$repl2$3/g ;
$line =~ s/(\W)$orig(\W)/$1$repl1$repl2$3/g ;
$line =~ s/(\W)$orig(\W)/$1$repl1$repl2$3/g ;
$line =~ s/(\W)$orig(\W)/$1$repl1$repl2$3/g ;
$line =~ s/(\W)$orig(\W)/$1$repl1$repl2$3/g ;
}
$line =~ s/A\|/[/g ;
$line =~ s/B\|/]/g ;
}
}
}
}
}
}
print $line ;
}
close TEMP1 ;
close DEBUG ;
unlink "directives__" ;
unlink "tmp1__" ;
unlink "debug__" ;
|
