Quick benchmark of Laravel with and without compiled.php optimization - conclusion: no perceived benefit within my Vagrant environment.

laravel-compiled-php-benchmark

## RUN 1 - no compiled.php, no xdebug

Concurrency Level:      1
Time taken for tests:   10.028 seconds
Complete requests:      500
Failed requests:        0
Non-2xx responses:      500
Total transferred:      674222 bytes
HTML transferred:       174000 bytes
Requests per second:    49.86 [#/sec] (mean)
Time per request:       20.055 [ms] (mean)
Time per request:       20.055 [ms] (mean, across all concurrent requests)
Transfer rate:          65.66 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.1      0       1
Processing:    17   20   9.4     18     138
Waiting:       17   20   9.4     18     138
Total:         17   20   9.4     19     138

Percentage of the requests served within a certain time (ms)
  50%     19
  66%     19
  75%     19
  80%     20
  90%     21
  95%     22
  98%     46
  99%     62
 100%    138 (longest request)


## RUN 2 - no compiled.php, no xdebug


Concurrency Level:      1
Time taken for tests:   10.493 seconds
Complete requests:      500
Failed requests:        0
Non-2xx responses:      500
Total transferred:      674074 bytes
HTML transferred:       174000 bytes
Requests per second:    47.65 [#/sec] (mean)
Time per request:       20.987 [ms] (mean)
Time per request:       20.987 [ms] (mean, across all concurrent requests)
Transfer rate:          62.73 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.1      0       1
Processing:    16   21  17.1     18     342
Waiting:       16   21  17.1     18     342
Total:         17   21  17.1     18     342

Percentage of the requests served within a certain time (ms)
  50%     18
  66%     19
  75%     19
  80%     20
  90%     21
  95%     24
  98%     67
  99%     72
 100%    342 (longest request)


## RUN 3 - compiled.php, no xdebug

Concurrency Level:      1
Time taken for tests:   10.509 seconds
Complete requests:      500
Failed requests:        0
Non-2xx responses:      500
Total transferred:      674184 bytes
HTML transferred:       174000 bytes
Requests per second:    47.58 [#/sec] (mean)
Time per request:       21.019 [ms] (mean)
Time per request:       21.019 [ms] (mean, across all concurrent requests)
Transfer rate:          62.65 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.1      0       1
Processing:    15   21  13.4     19     197
Waiting:       15   21  13.4     18     197
Total:         15   21  13.4     19     197

Percentage of the requests served within a certain time (ms)
  50%     19
  66%     19
  75%     20
  80%     20
  90%     22
  95%     24
  98%     89
  99%    103
 100%    197 (longest request)



## RUN 4 - compiled.php, no xdebug

Concurrency Level:      1
Time taken for tests:   10.191 seconds
Complete requests:      500
Failed requests:        0
Non-2xx responses:      500
Total transferred:      673982 bytes
HTML transferred:       174000 bytes
Requests per second:    49.06 [#/sec] (mean)
Time per request:       20.382 [ms] (mean)
Time per request:       20.382 [ms] (mean, across all concurrent requests)
Transfer rate:          64.59 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.1      0       1
Processing:    16   20  14.5     18     186
Waiting:       16   20  14.5     18     186
Total:         16   20  14.5     18     186

Percentage of the requests served within a certain time (ms)
  50%     18
  66%     19
  75%     19
  80%     19
  90%     20
  95%     22
  98%     43
  99%    116
 100%    186 (longest request)