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# Copyright (C) 2001-2003, Parrot Foundation.
=head1 NAME
examples/benchmarks/gc_header_reuse.pasm - GC Benchmark
=head1 SYNOPSIS
% ./parrot examples/benchmarks/gc_header_reuse.pasm
=head1 DESCRIPTION
Runs a loop doing some work, then prints out some statistics indicating:
=over 4
=item * the time taken
=item * the total number of bytes allocated
=item * the total of GC runs made
=item * the total number of collection runs made
=item * the total number of bytes copied
=item * the number of active C<Buffer> C<struct>s
=item * the total number of C<Buffer> C<struct>s
=back
=cut
.pcc_sub :main main:
set I0, 2000
set I1, 0
set I2, 2000
set I3, 0
set S0, ""
time N5
doubleloop:
loop:
concat S1, S0, S0
inc I1
lt I1, I0, loop
inc I3
set I1, 0
lt I3, I2, doubleloop
getout: time N6
sub N7, N6, N5
print N7
print " seconds.\n"
interpinfo I1, 1
print "A total of "
print I1
print " bytes were allocated\n"
interpinfo I1, 2
print "A total of "
print I1
print " GC runs were made\n"
interpinfo I1, 3
print "A total of "
print I1
print " collection runs were made\n"
interpinfo I1, 10
print "Copying a total of "
print I1
print " bytes\n"
interpinfo I1, 5
print "There are "
print I1
print " active Buffer structs\n"
interpinfo I1, 7
print "There are "
print I1
print " total Buffer structs\n"
end
=head1 SEE ALSO
F<examples/benchmarks/bench_newp.pasm>,
F<examples/benchmarks/gc_alloc_new.pasm>,
F<examples/benchmarks/gc_alloc_reuse.pasm>,
F<examples/benchmarks/gc_generations.pasm>,
F<examples/benchmarks/gc_header_new.pasm>,
F<examples/benchmarks/gc_waves_headers.pasm>,
F<examples/benchmarks/gc_waves_sizeable_data.pasm>,
F<examples/benchmarks/gc_waves_sizeable_headers.pasm>.
=cut
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