Improve performance drastically by updating phpllvm

Author: ircmaxell

Docker/dev/ubuntu-16.04/Dockerfile

@@ -23,6 +23,13 @@ RUN git clone https://github.com/nikic/php-ast . && \
     make && \
     make install
 
+WORKDIR ../sample_prof
+RUN git clone https://github.com/nikic/sample_prof.git . && \
+    phpize && \
+    ./configure && \
+    make && \
+    make install
+
 COPY php.ini /usr/local/lib/php.ini
 
 RUN curl --silent --show-error https://getcomposer.org/installer | php -- --no-ansi --install-dir=/usr/local/bin --filename=composer

Docker/dev/ubuntu-16.04/php.ini

@@ -1,2 +1,3 @@
 memory_limit=-1
 extension=ast.so
+extension=sample_prof.so

benchmarks/README.md

@@ -10,12 +10,12 @@ Each example includes a benchmark that compares each mode of operation to just r
 
 | Test Name          |            7.4 (s)| bin/jit.php (s) | bin/compile.php (s) | compiled time (s) |
 |--------------------|-------------------|-----------------|---------------------|-------------------|
-|          Ack(3,10) |            1.9212 |          0.8305 |              0.6508 |            0.1548 |
-|           Ack(3,8) |            0.1005 |          0.6248 |              0.6501 |            0.0115 |
-|           Ack(3,9) |            0.3677 |          0.6654 |              0.6507 |            0.0383 |
-|           fibo(30) |            0.0876 |          0.6213 |              0.6543 |            0.0085 |
-|           fibo(32) |            0.2082 |          0.6383 |              0.6514 |            0.0197 |
-|         mandelbrot |            0.1556 |          0.6465 |              0.6618 |            0.0148 |
-|             simple |            0.0640 |          0.6362 |              0.6540 |            0.0117 |
+|          Ack(3,10) |            1.9183 |          0.4112 |              0.2330 |            0.1654 |
+|           Ack(3,8) |            0.1006 |          0.2105 |              0.2337 |            0.0115 |
+|           Ack(3,9) |            0.3685 |          0.2519 |              0.2339 |            0.0403 |
+|           fibo(30) |            0.0880 |          0.2071 |              0.2325 |            0.0083 |
+|           fibo(32) |            0.2091 |          0.2221 |              0.2334 |            0.0192 |
+|         mandelbrot |            0.1574 |          0.2302 |              0.2451 |            0.0135 |
+|             simple |            0.0641 |          0.2156 |              0.2363 |            0.0114 |
 
 <!-- benchmark table end -->

bin/profiled/compile.php

@@ -0,0 +1,13 @@
+<?php declare(strict_types=1);
+
+sample_prof_start(50);              // start profiler with 50 usec interval
+require __DIR__ . '/../compile.php';    // run script here
+sample_prof_end();                  // disable profiler
+$data = sample_prof_get_data();     // retrieve profiling data
+
+foreach ($data as $file => $lines) {
+    echo "In file $file:\n";
+    foreach ($lines as $line => $hits) {
+        echo "Line $line hit $hits times.\n";
+    }
+}

bin/profiled/jit.php

@@ -0,0 +1,13 @@
+<?php declare(strict_types=1);
+
+sample_prof_start(10);              // start profiler with 50 usec interval
+require __DIR__ . '/../jit.php';    // run script here
+sample_prof_end();                  // disable profiler
+$data = sample_prof_get_data();     // retrieve profiling data
+
+foreach ($data as $file => $lines) {
+    echo "In file $file:\n";
+    foreach ($lines as $line => $hits) {
+        echo "Line $line hit $hits times.\n";
+    }
+}

bin/profiled/vm.php

@@ -0,0 +1,13 @@
+<?php declare(strict_types=1);
+
+sample_prof_start(50);              // start profiler with 50 usec interval
+require __DIR__ . '/../vm.php';    // run script here
+sample_prof_end();                  // disable profiler
+$data = sample_prof_get_data();     // retrieve profiling data
+
+foreach ($data as $file => $lines) {
+    echo "In file $file:\n";
+    foreach ($lines as $line => $hits) {
+        echo "Line $line hit $hits times.\n";
+    }
+}