Benchmark::bench() - Code Metrics - Inspection of "mod" - alecrabbit/php-simple-profiler - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — develop ( fe1195...b733eb )

by Alec

created 2018-12-27 15:00 UTC

Benchmark::bench() A

↳ Parent: Benchmark

Complexity

Conditions	1
Paths	1

Size

Total Lines	6
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	4
nc	1
nop	4
dl	0
loc	6
ccs	5
cts	5
cp	1
crap	1
rs	10
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 = 0;
    /** @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->rewindable =
            new Rewindable(
                function (int $iterations, int $i = 1): \Generator {
                    while ($i <= $iterations) {
                        yield $i++;
                    }
                },
                $iterations
            );
        $this->profiler = new Profiler();
    }

    /**
     * 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
    {
        /** @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->comment = null;

        $this->functions[$function->getEnumeratedName()] = $function;
    }

    /**
     * @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
     */
    public function elapsed(): string
    {
        $theme = Factory::getThemeObject();
        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 = 0;
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	4	public function __construct(int $iterations = 1000)
46		{
47	4	$this->iterations = $iterations;
48	4	$this->rewindable =
49	4	new Rewindable(
50		function (int $iterations, int $i = 1): \Generator {
51	1	while ($i <= $iterations) {
52	1	yield $i++;
53		}
54	4	},
55	4	$iterations
56		);
57	4	$this->profiler = new Profiler();
58	4	}
59
60		/**
61		* Launch benchmarking
62		* @param bool $report
63		*/
64	1	public function run(bool $report = false): void
65		{
66	1	if ($this->verbose) {
67		echo
68		sprintf(
69		'Running benchmarks(%s):',
70		$this->iterations
71		);
72		echo PHP_EOL;
73		}
74	1	$this->execute();
75	1	echo PHP_EOL;
76	1	echo PHP_EOL;
77
78	1	if ($report) {
79		echo (string)$this->getReport();
80		echo PHP_EOL;
81		}
82	1	}
83
84		/**
85		* Launch benchmarking in verbose mode
86		*/
87	1	private function execute(): void
88		{
89		/** @var BenchmarkFunction $f */
90	1	foreach ($this->functions as $name => $f) {
91	1	$function = $f->getFunction();
92	1	$args = $f->getArgs();
93	1	$this->prepareResult($f, $function, $args);
94	1	$timer = $this->profiler->timer($name);
95	1	if ($this->errorState) {
96		$this->errorState = false;
97		$timer->check();
98		continue;
99		}
100	1	foreach ($this->rewindable as $iteration) {
101	1	$this->bench($timer, $function, $args, $iteration);
102		}
103	1	$this->profiler->counter()->bump();
104		}
105	1	}
106
107		/**
108		* @param BenchmarkFunction $f
109		* @param callable $function
110		* @param array $args
111		*/
112	1	private function prepareResult(BenchmarkFunction $f, callable $function, array $args): void
113		{
114		try {
115	1	$result = $function(...$args);
116		} catch (\Throwable $e) {
117		$this->errorState = true;
118		$result = brackets(typeOf($e)) . ': ' . $e->getMessage();
119		$this->exceptionMessages[$f->getIndexedName()] = $result;
120		}
121	1	$f->setResult($result);
122	1	}
123
124		/**
125		* @param Timer $timer
126		* @param callable $function
127		* @param array $args
128		* @param int $iteration
129		*/
130	1	private function bench(Timer $timer, callable $function, array $args, int $iteration): void
131		{
132	1	$timer->start();
133	1	$function(...$args);
134	1	$timer->check($iteration);
135	1	$this->progress();
136	1	}
137
138	1	private function progress(): void
139		{
140	1	if ($this->verbose && 1 === ++$this->totalIterations % 5000) {
141		echo '.';
142		if (++$this->dots > static::PG_WIDTH) {
143		echo PHP_EOL;
144		$this->dots = 0;
145		}
146		}
147	1	}
148
149		/**
150		* @return Benchmark
151		*/
152		public function verbose(): self
153		{
154		$this->verbose = true;
155		return $this;
156		}
157
158		/**
159		* @return Benchmark
160		*/
161		public function color(): self
162		{
163		Factory::setColour(true);
164		return $this;
165		}
166
167		/**
168		* @param callable $func
169		* @param mixed ...$args
170		*/
171	2	public function addFunction($func, ...$args): void
172		{
173	2	if (!\is_callable($func, false, $name)) {
174	1	throw new \InvalidArgumentException(
175	1	sprintf(
176	1	'\'%s\' is NOT callable. Function must be callable. Type of "%s" provided instead.',
177	1	$name,
178	1	typeOf($func)
179		)
180		);
181		}
182	1	$function = new BenchmarkFunction($func, $name, $this->namingIndex++, $args, $this->comment);
183	1	$this->comment = null;
184
185	1	$this->functions[$function->getEnumeratedName()] = $function;
186	1	}
187
188		/**
189		* @param string $name
190		* @return Benchmark
191		*/
192	2	public function withComment(string $name): self
193		{
194	2	$this->comment = $name;
195	2	return $this;
196		}
197
198		/**
199		* @return Benchmark
200		*/
201		public function returnResults(): self
202		{
203		$this->withResults = true;
204		return $this;
205		}
206
207		/**
208		* @return string
209		*/
210		public function elapsed(): string
211		{
212		$theme = Factory::getThemeObject();
213		return
214		sprintf(
215		'Done in: %s',
216		$theme->yellow($this->getProfiler()->timer()->elapsed())
217		);
218		}
219
220		/**
221		* {@inheritdoc}
222		*/
223	2	protected function prepareForReport(): void
224		{
225	2	$this->getProfiler()->getReport();
226	2	}
227		}
228

alecrabbit / php-simple-profiler

Push — develop ( fe1195...b733eb )

Benchmark::bench() A

Complexity

Size

Duplication

Code Coverage

Importance

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