PHP collections comparison
| type |
var_class_sizeof(bytes) |
var_sizeof(bytes) |
memory_get_usage(bytes) |
| array(count: 0) |
0 |
336 |
0 |
| psalm(count: 0) |
1,510 |
544 |
240 |
| monomorphic(count: 0) |
1,528 |
544 |
240 |
| type-erased(count: 0) |
1,512 |
544 |
240 |
| type |
var_class_sizeof(bytes) |
var_sizeof(bytes) |
memory_get_usage(bytes) |
| array(count: 100) |
0 |
7,728 |
12,248 |
| psalm(count: 100) |
1,510 |
7,936 |
12,432 |
| monomorphic(count: 100) |
1,528 |
7,936 |
12,432 |
| type-erased(count: 100) |
1,512 |
7,936 |
12,432 |
Items in collection: 1000
| type |
var_class_sizeof(bytes) |
var_sizeof(bytes) |
memory_get_usage(bytes) |
| array(count: 1000) |
0 |
72,464 |
76,920 |
| psalm(count: 1000) |
1,510 |
72,672 |
77,104 |
| monomorphic(count: 1000) |
1,528 |
72,672 |
77,104 |
| type-erased(count: 1000) |
1,512 |
72,672 |
77,104 |
Items in collection: 10000
| type |
var_class_sizeof(bytes) |
var_sizeof(bytes) |
memory_get_usage(bytes) |
| array(count: 10000) |
0 |
822,224 |
1,051,320 |
| psalm(count: 10000) |
1,510 |
822,432 |
1,051,560 |
| monomorphic(count: 10000) |
1,528 |
822,432 |
1,051,560 |
| type-erased(count: 10000) |
1,512 |
822,432 |
1,051,560 |
PHPBench (1.2.3) running benchmarks...
with configuration file: /app/phpbench.json
with PHP version 8.1.3, xdebug ❌, opcache ❌
\App\Tests\TypHintBench
benchWithoutType........................R1 I6 - Mo240.713μs (±0.47%)
benchWithArrayType......................R1 I70 - Mo247.663μs (±0.45%)
benchWithMixedType......................R2 I59 - Mo249.293μs (±0.54%)
benchWithClassType......................R1 I26 - Mo306.533μs (±0.48%)
Subjects: 4, Assertions: 0, Failures: 0, Errors: 0
+--------------+--------------------+-----+------+-----+-----------+-----------+--------+
| benchmark | subject | set | revs | its | mem_peak | mode | rstdev |
+--------------+--------------------+-----+------+-----+-----------+-----------+--------+
| TypHintBench | benchWithoutType | | 1000 | 100 | 674.272kb | 240.713μs | ±0.47% |
| TypHintBench | benchWithArrayType | | 1000 | 100 | 674.272kb | 247.663μs | ±0.45% |
| TypHintBench | benchWithMixedType | | 1000 | 100 | 674.272kb | 249.293μs | ±0.54% |
| TypHintBench | benchWithClassType | | 1000 | 100 | 674.272kb | 306.533μs | ±0.48% |
+--------------+--------------------+-----+------+-----+-----------+-----------+--------+git clone git@github.com:mrsuh/php-collections-comparison.git && cd php-collections-comparison
docker build -t php-collections-comparison-image .
docker run -it --rm php-collections-comparison-image php bin/memory-test.php
docker run -it --rm php-collections-comparison-image php vendor/bin/phpbench run tests --report=aggregate