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| 1 | +#!perl -w |
| 2 | +use strict; |
| 3 | +use Benchmark qw/cmpthese/; |
| 4 | +use Test::More tests => 1; |
| 5 | + |
| 6 | +{ |
| 7 | + package Bench::Base; |
| 8 | + sub foo { 1 }; |
| 9 | +} |
| 10 | + |
| 11 | +my $c; |
| 12 | +my $sub_iter = 100; |
| 13 | + |
| 14 | +cmpthese (-1 => { |
| 15 | + recompute_existing_ISA => sub { |
| 16 | + $c++; |
| 17 | + for (1..$sub_iter) { |
| 18 | + my $class = "Bench::Par::Sub_${c}"; |
| 19 | + no strict 'refs'; |
| 20 | + @{ "$class\::ISA"} = (@{ "$class\::ISA"},'Bench::Base'); |
| 21 | + die unless $class->foo; |
| 22 | + } |
| 23 | + }, |
| 24 | + recompute_new_ISA => sub { |
| 25 | + $c++; |
| 26 | + for (1..$sub_iter) { |
| 27 | + my $class = "Bench::Par::Sub_${c}::SubSub${_}"; |
| 28 | + no strict 'refs'; |
| 29 | + @{ "$class\::ISA"} = (@{ "$class\::ISA"},'Bench::Base'); |
| 30 | + die unless $class->foo; |
| 31 | + } |
| 32 | + }, |
| 33 | + push_existing_ISA => sub { |
| 34 | + $c++; |
| 35 | + for (1..$sub_iter) { |
| 36 | + my $class = "Bench::Par::Sub_${c}"; |
| 37 | + no strict 'refs'; |
| 38 | + push @{ "$class\::ISA"}, 'Bench::Base'; |
| 39 | + die unless $class->foo; |
| 40 | + } |
| 41 | + }, |
| 42 | + push_new_ISA => sub { |
| 43 | + $c++; |
| 44 | + for (1..$sub_iter) { |
| 45 | + my $class = "Bench::Par::Sub_${c}::SubSub${_}"; |
| 46 | + no strict 'refs'; |
| 47 | + push @{ "$class\::ISA"}, 'Bench::Base'; |
| 48 | + die unless $class->foo; |
| 49 | + } |
| 50 | + }, |
| 51 | + push_new_FOO => sub { |
| 52 | + $c++; |
| 53 | + for (1..$sub_iter) { |
| 54 | + my $class = "Bench::Par::Sub_${c}::SubSub${_}"; |
| 55 | + no strict 'refs'; |
| 56 | + push @{ "$class\::FOO"}, 'Bench::Base'; |
| 57 | + #die unless $class->foo; |
| 58 | + } |
| 59 | + }, |
| 60 | + push_existing_FOO => sub { |
| 61 | + $c++; |
| 62 | + for (1..$sub_iter) { |
| 63 | + my $class = "Bench::Par::Sub_${c}"; |
| 64 | + no strict 'refs'; |
| 65 | + push @{ "$class\::FOO"}, 'Bench::Base'; |
| 66 | + #die unless $class->foo; |
| 67 | + } |
| 68 | + }, |
| 69 | + recompute_existing_FOO => sub { |
| 70 | + $c++; |
| 71 | + for (1..$sub_iter) { |
| 72 | + my $class = "Bench::Par::Sub_${c}"; |
| 73 | + no strict 'refs'; |
| 74 | + @{ "$class\::FOO"} = (@{ "$class\::FOO"}, 'Bench::Base'); |
| 75 | + #die unless $class->foo; |
| 76 | + } |
| 77 | + }, |
| 78 | + |
| 79 | + # Take a reference and manipulate that, in case string references are slow |
| 80 | + refcompute_existing_FOO => sub { |
| 81 | + $c++; |
| 82 | + for (1..$sub_iter) { |
| 83 | + my $class = "Bench::Par::Sub_${c}"; |
| 84 | + no strict 'refs'; |
| 85 | + my $aref = \@{ "$class\::FOO"}; |
| 86 | + @{ $aref } = (@{ $aref }, 'Bench::Base'); |
| 87 | + #die unless $class->foo; |
| 88 | + } |
| 89 | + }, |
| 90 | + recompute_new_FOO => sub { |
| 91 | + $c++; |
| 92 | + for (1..$sub_iter) { |
| 93 | + my $class = "Bench::Par::Sub_${c}::SubSub${_}"; |
| 94 | + no strict 'refs'; |
| 95 | + @{ "$class\::FOO"} = (@{ "$class\::FOO"}, 'Bench::Base'); |
| 96 | + #die unless $class->foo; |
| 97 | + } |
| 98 | + }, |
| 99 | +}); |
| 100 | + |
| 101 | +pass "Benchmarks run"; |
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