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#! /usr/bin/env perl
use strict;
use warnings;
use Test::More;
use Data::DPath::Context;
use List::Util 'min';
BEGIN {
if ($] < 5.010) {
plan skip_all => "Perl 5.010 required for the smartmatch overloaded tests. This is ".$];
}
}
ok (1, "dummy");
my $chunks;
my $threadcount;
# ==================== 2 cpus ====================
local $Data::DPath::Context::THREADCOUNT = 2;
my $nr_chunks;
my $expected;
$chunks = Data::DPath::Context::_splice_threads([1..6]);
$nr_chunks = scalar @$chunks;
is($nr_chunks, $Data::DPath::Context::THREADCOUNT, "threads/chunks == ". $Data::DPath::Context::THREADCOUNT);
$chunks = Data::DPath::Context::_splice_threads([1..7]);
$nr_chunks = scalar @$chunks;
is($nr_chunks, $Data::DPath::Context::THREADCOUNT, "threads/chunks == ". $Data::DPath::Context::THREADCOUNT);
$chunks = Data::DPath::Context::_splice_threads([1..8]);
$nr_chunks = scalar @$chunks;
is($nr_chunks, $Data::DPath::Context::THREADCOUNT, "threads/chunks == ". $Data::DPath::Context::THREADCOUNT);
# ==================== 3 cpus ====================
local $Data::DPath::Context::THREADCOUNT = 3;
$chunks = Data::DPath::Context::_splice_threads([1..6]);
$nr_chunks = scalar @$chunks;
is($nr_chunks, $Data::DPath::Context::THREADCOUNT, "threads/chunks == ". $Data::DPath::Context::THREADCOUNT);
$chunks = Data::DPath::Context::_splice_threads([1..7]);
$nr_chunks = scalar @$chunks;
is($nr_chunks, $Data::DPath::Context::THREADCOUNT, "threads/chunks == ". $Data::DPath::Context::THREADCOUNT);
$chunks = Data::DPath::Context::_splice_threads([1..8]);
$nr_chunks = scalar @$chunks;
is($nr_chunks, $Data::DPath::Context::THREADCOUNT, "threads/chunks == ". $Data::DPath::Context::THREADCOUNT);
# ==================== 12 cpus ====================
local $Data::DPath::Context::THREADCOUNT = 12;
my @data24 = (0..24-1);
$chunks = Data::DPath::Context::_splice_threads(\@data24);
$nr_chunks = scalar @$chunks;
$expected = min($Data::DPath::Context::THREADCOUNT, scalar @data24);
is($nr_chunks, $expected, "threads/chunks == ". $Data::DPath::Context::THREADCOUNT . " / $expected");
# ==================== mix cpus ====================
local $Data::DPath::Context::THREADCOUNT = 48;
$chunks = Data::DPath::Context::_splice_threads(\@data24);
$nr_chunks = scalar @$chunks;
$expected = min($Data::DPath::Context::THREADCOUNT, scalar @data24);
is($nr_chunks, $expected, "threads/chunks == ". $Data::DPath::Context::THREADCOUNT . " / $expected");
local $Data::DPath::Context::THREADCOUNT = 7;
$chunks = Data::DPath::Context::_splice_threads(\@data24);
$nr_chunks = scalar @$chunks;
$expected = 6;
is($nr_chunks, $expected, "threads/chunks == ". $Data::DPath::Context::THREADCOUNT . " / $expected (sic, under-utilized)");
my @data32 = (0..32-1);
local $Data::DPath::Context::THREADCOUNT = 10;
$chunks = Data::DPath::Context::_splice_threads(\@data32);
$nr_chunks = scalar @$chunks;
$expected = 8;
is($nr_chunks, $expected, "threads/chunks == ". $Data::DPath::Context::THREADCOUNT . " / $expected (sic, under-utilized)");
local $Data::DPath::Context::THREADCOUNT = 5;
$chunks = Data::DPath::Context::_splice_threads(\@data24);
$nr_chunks = scalar @$chunks;
$expected = min($Data::DPath::Context::THREADCOUNT, scalar @data24);
is($nr_chunks, $expected, "threads/chunks == ". $Data::DPath::Context::THREADCOUNT . " / $expected");
local $Data::DPath::Context::THREADCOUNT = 1;
$chunks = Data::DPath::Context::_splice_threads(\@data24);
$nr_chunks = scalar @$chunks;
$expected = min($Data::DPath::Context::THREADCOUNT, scalar @data24);
is($nr_chunks, $expected, "threads/chunks == ". $Data::DPath::Context::THREADCOUNT . " / $expected");
local $Data::DPath::Context::THREADCOUNT = 0;
$chunks = Data::DPath::Context::_splice_threads(\@data24);
$nr_chunks = scalar @$chunks;
$expected = 1;
is($nr_chunks, $expected, "threads/chunks == ". $Data::DPath::Context::THREADCOUNT . " / $expected (0 cpus)");
my @data1 = (0);
local $Data::DPath::Context::THREADCOUNT = 0;
$chunks = Data::DPath::Context::_splice_threads(\@data1);
$nr_chunks = scalar @$chunks;
$expected = 1;
is($nr_chunks, $expected, "threads/chunks == ". $Data::DPath::Context::THREADCOUNT . " / $expected (0 cpus)");
local $Data::DPath::Context::THREADCOUNT = 1;
$chunks = Data::DPath::Context::_splice_threads(\@data1);
$nr_chunks = scalar @$chunks;
$expected = 1;
is($nr_chunks, $expected, "threads/chunks == ". $Data::DPath::Context::THREADCOUNT . " / $expected");
my @data0 = ();
local $Data::DPath::Context::THREADCOUNT = 0;
$chunks = Data::DPath::Context::_splice_threads(\@data0);
$nr_chunks = scalar @$chunks;
$expected = 1;
is($nr_chunks, $expected, "no multi threads on empty set (". $Data::DPath::Context::THREADCOUNT." cpus)");
local $Data::DPath::Context::THREADCOUNT = 1;
$chunks = Data::DPath::Context::_splice_threads(\@data0);
$nr_chunks = scalar @$chunks;
$expected = 1;
is($nr_chunks, $expected, "no multi threads on empty set (". $Data::DPath::Context::THREADCOUNT." cpus)");
local $Data::DPath::Context::THREADCOUNT = 12;
$chunks = Data::DPath::Context::_splice_threads(\@data0);
$nr_chunks = scalar @$chunks;
$expected = 1;
is($nr_chunks, $expected, "no multi threads on empty set (". $Data::DPath::Context::THREADCOUNT." cpus)");
done_testing();
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