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https://github.com/composer/composer
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4e1887a721
It is known that composer update takes a lot of memory: #5915, #5902, I am playing with a profiler (@blackfireio) to make a demo in my local PHP meetup (@phpvigo) and I found out a way to use less memory. These are my first tests: * Private project using PHP 5.6: * Memory: from 1.31GB to 1.07GB * Wall Time: from 2min 8s to 1min 33s * symfony-demo using PHP 7.1 in my old mac book: * Memory: from 667MB to 523MB * Wall Time: from 5min 29s to 5min 28s Not use an array inside conflict rules is this improvement main idea: ```php <?php //Memory 38MB gc_collect_cycles(); gc_disable(); class Rule { public $literals; public function __construct(array $literals) { $this->literals = $literals; } } $rules = array(); $i = 0; while ($i<80000){ // $i++; $array = array(-$i, $i); $rule = new Rule($array); $rules[] = $rule; } ``` ```php <?php //Memory 11.1MB gc_collect_cycles(); gc_disable(); class Rule2Literals { public $literal1; public $literal2; public function __construct($literal1, $literal2) { $this->literal1 = $literal1; $this->literal2 = $literal2; } } $rules = array(); $i = 0; while ($i<80000){ // $i++; $rule = new ConflictRule(-$i, $i); $rules[] = $rule; } ``` More info https://github.com/composer/composer/pull/6168
111 lines
3.2 KiB
PHP
111 lines
3.2 KiB
PHP
<?php
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Composer\Test\DependencyResolver;
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use Composer\DependencyResolver\GenericRule;
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use Composer\DependencyResolver\Rule;
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use Composer\DependencyResolver\RuleSet;
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use Composer\DependencyResolver\Pool;
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use Composer\Repository\ArrayRepository;
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use Composer\TestCase;
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class RuleTest extends TestCase
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{
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protected $pool;
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public function setUp()
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{
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$this->pool = new Pool;
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}
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public function testGetHash()
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{
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$rule = new GenericRule(array(123), Rule::RULE_JOB_INSTALL, null);
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$hash = unpack('ihash', md5('123', true));
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$this->assertEquals($hash['hash'], $rule->getHash());
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}
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public function testEqualsForRulesWithDifferentHashes()
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{
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$rule = new GenericRule(array(1, 2), Rule::RULE_JOB_INSTALL, null);
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$rule2 = new GenericRule(array(1, 3), Rule::RULE_JOB_INSTALL, null);
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$this->assertFalse($rule->equals($rule2));
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}
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public function testEqualsForRulesWithDifferLiteralsQuantity()
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{
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$rule = new GenericRule(array(1, 12), Rule::RULE_JOB_INSTALL, null);
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$rule2 = new GenericRule(array(1), Rule::RULE_JOB_INSTALL, null);
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$this->assertFalse($rule->equals($rule2));
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}
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public function testEqualsForRulesWithSameLiterals()
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{
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$rule = new GenericRule(array(1, 12), Rule::RULE_JOB_INSTALL, null);
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$rule2 = new GenericRule(array(1, 12), Rule::RULE_JOB_INSTALL, null);
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$this->assertTrue($rule->equals($rule2));
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}
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public function testSetAndGetType()
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{
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$rule = new GenericRule(array(), Rule::RULE_JOB_INSTALL, null);
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$rule->setType(RuleSet::TYPE_JOB);
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$this->assertEquals(RuleSet::TYPE_JOB, $rule->getType());
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}
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public function testEnable()
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{
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$rule = new GenericRule(array(), Rule::RULE_JOB_INSTALL, null);
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$rule->disable();
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$rule->enable();
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$this->assertTrue($rule->isEnabled());
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$this->assertFalse($rule->isDisabled());
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}
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public function testDisable()
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{
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$rule = new GenericRule(array(), Rule::RULE_JOB_INSTALL, null);
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$rule->enable();
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$rule->disable();
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$this->assertTrue($rule->isDisabled());
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$this->assertFalse($rule->isEnabled());
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}
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public function testIsAssertions()
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{
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$rule = new GenericRule(array(1, 12), Rule::RULE_JOB_INSTALL, null);
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$rule2 = new GenericRule(array(1), Rule::RULE_JOB_INSTALL, null);
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$this->assertFalse($rule->isAssertion());
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$this->assertTrue($rule2->isAssertion());
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}
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public function testPrettyString()
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{
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$repo = new ArrayRepository;
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$repo->addPackage($p1 = $this->getPackage('foo', '2.1'));
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$repo->addPackage($p2 = $this->getPackage('baz', '1.1'));
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$this->pool->addRepository($repo);
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$rule = new GenericRule(array($p1->getId(), -$p2->getId()), Rule::RULE_JOB_INSTALL, null);
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$this->assertEquals('Install command rule (don\'t install baz 1.1|install foo 2.1)', $rule->getPrettyString($this->pool));
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}
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}
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