Benchmark::reset() - Code Metrics - Inspection of "Merge branch 'master' into develop" - alecrabbit/php-simple-profiler - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — develop ( b733eb...69cb61 )

by Alec

created 2019-01-04 13:10 UTC

Benchmark::reset() A

↳ Parent: Benchmark

Complexity

Conditions	2
Paths	1

Size

Total Lines	14
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	10
CRAP Score	2

Importance

Changes

Metric	Value
cc	2
eloc	9
nc	1
nop	0
dl	0
loc	14
ccs	10
cts	10
cp	1
crap	2
rs	9.9666
c	0
b	0
f	0

<?php
/**
 * User: alec
 * Date: 29.11.18
 * Time: 11:04
 */

namespace AlecRabbit\Tools;

use AlecRabbit\Rewindable;
use AlecRabbit\Tools\Contracts\BenchmarkInterface;
use AlecRabbit\Tools\Internal\BenchmarkFunction;
use AlecRabbit\Tools\Reports\Contracts\ReportableInterface;
use AlecRabbit\Tools\Reports\Factory;
use AlecRabbit\Tools\Reports\Traits\Reportable;
use AlecRabbit\Tools\Traits\BenchmarkFields;
use function AlecRabbit\brackets;
use function AlecRabbit\typeOf;

class Benchmark implements BenchmarkInterface, ReportableInterface
{
    protected const PG_WIDTH = 60;

    use BenchmarkFields, Reportable;

    /** @var int */
    private $namingIndex = 0;
    /** @var Rewindable */
    private $rewindable;
    /** @var int */
    private $iterations;
    /** @var null|string */
    private $comment;
    /** @var bool */
    private $verbose = false;
    /** @var bool */
    private $errorState = false;
    /** @var int */
    private $dots = 0;

    /**
     * Benchmark constructor.
     * @param int $iterations
     */
    public function __construct(int $iterations = 1000)
    {
        $this->iterations = $iterations;
        $this->reset();
    }

    /**
     * Resets Benchmark object clear
     */
    public function reset(): void
    {
        $this->functions = [];
        $this->rewindable =
            new Rewindable(
                function (int $iterations, int $i = 1): \Generator {
                    while ($i <= $iterations) {
                        yield $i++;
                    }
                },
                $this->iterations
            );
        $this->profiler = new Profiler();
        $this->resetReportObject();
    }

    /**
     * Launch benchmarking
     * @param bool $report
     */
    public function run(bool $report = false): void
    {
        if ($this->verbose) {
            echo
            sprintf(
                'Running benchmarks(%s):',
                $this->iterations
            );
            echo PHP_EOL;
        }
        $this->execute();
        echo PHP_EOL;
        echo PHP_EOL;

        if ($report) {
            echo (string)$this->getReport();
            echo PHP_EOL;
        }
    }

    /**
     * Launch benchmarking in verbose mode
     */
    private function execute(): void
    {
        dump($this->functions);
        /** @var  BenchmarkFunction $f */
        foreach ($this->functions as $name => $f) {
            $function = $f->getFunction();
            $args = $f->getArgs();
            $this->prepareResult($f, $function, $args);
            $timer = $this->profiler->timer($name);
            if ($this->errorState) {
                $this->errorState = false;
                $timer->check();
                continue;
            }
            foreach ($this->rewindable as $iteration) {
                $this->bench($timer, $function, $args, $iteration);
            }
            $this->profiler->counter()->bump();
        }
    }

    /**
     * @param BenchmarkFunction $f
     * @param callable $function
     * @param array $args
     */
    private function prepareResult(BenchmarkFunction $f, callable $function, array $args): void
    {
        try {
            $result = $function(...$args);
        } catch (\Throwable $e) {
            $this->errorState = true;
            $result = brackets(typeOf($e)) . ': ' . $e->getMessage();
            $this->exceptionMessages[$f->getIndexedName()] = $result;
        }
        $f->setResult($result);
    }

    /**
     * @param Timer $timer
     * @param callable $function
     * @param array $args
     * @param int $iteration
     */
    private function bench(Timer $timer, callable $function, array $args, int $iteration): void
    {
        $timer->start();
        $function(...$args);
        $timer->check($iteration);
        $this->progress();
    }

    private function progress(): void
    {
        if ($this->verbose && 1 === ++$this->totalIterations % 5000) {
            echo '.';
            if (++$this->dots > static::PG_WIDTH) {
                echo PHP_EOL;
                $this->dots = 0;
            }
        }
    }

    /**
     * @return Benchmark
     */
    public function verbose(): self
    {
        $this->verbose = true;
        return $this;
    }

    /**
     * @return Benchmark
     */
    public function color(): self
    {
        Factory::setColour(true);
        return $this;
    }

    /**
     * @param callable $func
     * @param mixed ...$args
     */
    public function addFunction($func, ...$args): void
    {
        if (!\is_callable($func, false, $name)) {
            throw new \InvalidArgumentException(
                sprintf(
                    '\'%s\' is NOT callable. Function must be callable. Type of "%s" provided instead.',
                    $name,
                    typeOf($func)
                )
            );
        }
        $function = new BenchmarkFunction($func, $name, $this->namingIndex++, $args, $this->comment);
        $this->functions[$function->getEnumeratedName()] = $function;
        $this->comment = null;
    }

    /**
     * @param string $name
     * @return Benchmark
     */
    public function withComment(string $name): self
    {
        $this->comment = $name;
        return $this;
    }

    /**
     * @return Benchmark
     */
    public function returnResults(): self
    {
        $this->withResults = true;
        return $this;
    }

    /**
     * @return string
     * @throws \Throwable
     */
    public function elapsed(): string
    {
        $theme = Factory::getThemedObject();
        return
            sprintf(
                'Done in: %s',
                $theme->yellow($this->getProfiler()->timer()->elapsed())
            );
    }

    /**
     * {@inheritdoc}
     */
    protected function prepareForReport(): void
    {
        $this->getProfiler()->getReport();
    }
}


1		<?php
2		/**
3		* User: alec
4		* Date: 29.11.18
5		* Time: 11:04
6		*/
7
8		namespace AlecRabbit\Tools;
9
10		use AlecRabbit\Rewindable;
11		use AlecRabbit\Tools\Contracts\BenchmarkInterface;
12		use AlecRabbit\Tools\Internal\BenchmarkFunction;
13		use AlecRabbit\Tools\Reports\Contracts\ReportableInterface;
14		use AlecRabbit\Tools\Reports\Factory;
15		use AlecRabbit\Tools\Reports\Traits\Reportable;
16		use AlecRabbit\Tools\Traits\BenchmarkFields;
17		use function AlecRabbit\brackets;
18		use function AlecRabbit\typeOf;
19
20		class Benchmark implements BenchmarkInterface, ReportableInterface
21		{
22		protected const PG_WIDTH = 60;
23
24		use BenchmarkFields, Reportable;
25
26		/** @var int */
27		private $namingIndex = 0;
28		/** @var Rewindable */
29		private $rewindable;
30		/** @var int */
31		private $iterations;
32		/** @var null\|string */
33		private $comment;
34		/** @var bool */
35		private $verbose = false;
36		/** @var bool */
37		private $errorState = false;
38		/** @var int */
39		private $dots = 0;
40
41		/**
42		* Benchmark constructor.
43		* @param int $iterations
44		*/
45	5	public function __construct(int $iterations = 1000)
46		{
47	5	$this->iterations = $iterations;
48	5	$this->reset();
49	5	}
50
51		/**
52		* Resets Benchmark object clear
53		*/
54	5	public function reset(): void
55		{
56	5	$this->functions = [];
57	5	$this->rewindable =
58	5	new Rewindable(
59		function (int $iterations, int $i = 1): \Generator {
60	2	while ($i <= $iterations) {
61	2	yield $i++;
62		}
63	5	},
64	5	$this->iterations
65		);
66	5	$this->profiler = new Profiler();
67	5	$this->resetReportObject();
68	5	}
69
70		/**
71		* Launch benchmarking
72		* @param bool $report
73		*/
74	2	public function run(bool $report = false): void
75		{
76	2	if ($this->verbose) {
77		echo
78	1	sprintf(
79	1	'Running benchmarks(%s):',
80	1	$this->iterations
81		);
82	1	echo PHP_EOL;
83		}
84	2	$this->execute();
85	2	echo PHP_EOL;
86	2	echo PHP_EOL;
87
88	2	if ($report) {
89	1	echo (string)$this->getReport();
90	1	echo PHP_EOL;
91		}
92	2	}
93
94		/**
95		* Launch benchmarking in verbose mode
96		*/
97	2	private function execute(): void
98		{
99	2	dump($this->functions);
100		/** @var BenchmarkFunction $f */
101	2	foreach ($this->functions as $name => $f) {
102	2	$function = $f->getFunction();
103	2	$args = $f->getArgs();
104	2	$this->prepareResult($f, $function, $args);
105	2	$timer = $this->profiler->timer($name);
106	2	if ($this->errorState) {
107	1	$this->errorState = false;
108	1	$timer->check();
109	1	continue;
110		}
111	2	foreach ($this->rewindable as $iteration) {
112	2	$this->bench($timer, $function, $args, $iteration);
113		}
114	2	$this->profiler->counter()->bump();
115		}
116	2	}
117
118		/**
119		* @param BenchmarkFunction $f
120		* @param callable $function
121		* @param array $args
122		*/
123	2	private function prepareResult(BenchmarkFunction $f, callable $function, array $args): void
124		{
125		try {
126	2	$result = $function(...$args);
127	1	} catch (\Throwable $e) {
128	1	$this->errorState = true;
129	1	$result = brackets(typeOf($e)) . ': ' . $e->getMessage();
130	1	$this->exceptionMessages[$f->getIndexedName()] = $result;
131		}
132	2	$f->setResult($result);
133	2	}
134
135		/**
136		* @param Timer $timer
137		* @param callable $function
138		* @param array $args
139		* @param int $iteration
140		*/
141	2	private function bench(Timer $timer, callable $function, array $args, int $iteration): void
142		{
143	2	$timer->start();
144	2	$function(...$args);
145	2	$timer->check($iteration);
146	2	$this->progress();
147	2	}
148
149	2	private function progress(): void
150		{
151	2	if ($this->verbose && 1 === ++$this->totalIterations % 5000) {
152	1	echo '.';
153	1	if (++$this->dots > static::PG_WIDTH) {
154	1	echo PHP_EOL;
155	1	$this->dots = 0;
156		}
157		}
158	2	}
159
160		/**
161		* @return Benchmark
162		*/
163	1	public function verbose(): self
164		{
165	1	$this->verbose = true;
166	1	return $this;
167		}
168
169		/**
170		* @return Benchmark
171		*/
172	2	public function color(): self
173		{
174	2	Factory::setColour(true);
175	2	return $this;
176		}
177
178		/**
179		* @param callable $func
180		* @param mixed ...$args
181		*/
182	3	public function addFunction($func, ...$args): void
183		{
184	3	if (!\is_callable($func, false, $name)) {
185	1	throw new \InvalidArgumentException(
186	1	sprintf(
187	1	'\'%s\' is NOT callable. Function must be callable. Type of "%s" provided instead.',
188	1	$name,
189	1	typeOf($func)
190		)
191		);
192		}
193	2	$function = new BenchmarkFunction($func, $name, $this->namingIndex++, $args, $this->comment);
194	2	$this->functions[$function->getEnumeratedName()] = $function;
195	2	$this->comment = null;
196	2	}
197
198		/**
199		* @param string $name
200		* @return Benchmark
201		*/
202	2	public function withComment(string $name): self
203		{
204	2	$this->comment = $name;
205	2	return $this;
206		}
207
208		/**
209		* @return Benchmark
210		*/
211	1	public function returnResults(): self
212		{
213	1	$this->withResults = true;
214	1	return $this;
215		}
216
217		/**
218		* @return string
219		* @throws \Throwable
220		*/
221	1	public function elapsed(): string
222		{
223	1	$theme = Factory::getThemedObject();
224		return
225	1	sprintf(
226	1	'Done in: %s',
227	1	$theme->yellow($this->getProfiler()->timer()->elapsed())
228		);
229		}
230
231		/**
232		* {@inheritdoc}
233		*/
234	3	protected function prepareForReport(): void
235		{
236	3	$this->getProfiler()->getReport();
237	3	}
238		}
239

alecrabbit / php-simple-profiler

Push — develop ( b733eb...69cb61 )

Benchmark::reset() A

Complexity

Size

Duplication

Code Coverage

Importance

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