Added support for native cpp module

.travis.yml

@@ -15,8 +15,10 @@ addons:
   apt:
     packages:
     - python3
+
 before_script:
 - composer update --dev
+- "tests/install_deps.sh"
 
 script:
 - "tests/testing.php"

README.md

@@ -22,6 +22,8 @@ Install python to enable the python module and the PHP curl extension to enable
 This library has 4 prime factorization modules (ordered by speed, huge semiprime is usually a 20 digit semiprime generated by [telegram](https://core.telegram.org), see the travis ci tests for more stats):
 
 
+* native_cpp - A [native c++](https://github.com/danog/PrimeModule-ext) factorization module (it's the fastest), medium time 0.03943687915802 tested with 100 huge semiprime
+
 * python - A [quadratic sieve](http://codegolf.stackexchange.com/questions/8629/fastest-semiprime-factorization) python module (usually it's faster than the pollard brent module, other times it just gets stuck (and then killed after 10 seconds by the lib), medium time 0.35134809732437 seconds calculated using 100 huge semiprimes, some of which caused the module to freeze and be killed. Usually it's 10 times faster than the pollard brent module)
 
 * python_alt - A [pollard brent](https://stackoverflow.com/questions/4643647/fast-prime-factorization-module) module also written in python (medium time 0.1801231908798 seconds calculated using 100 huge semiprimes)

lib/danog/PrimeModule.php

@@ -185,15 +185,21 @@ class PrimeModule
 
         return $res;
     }
-
+    public static function native_single_cpp($what)
-    public static function python($what)
     {
-        $res = [self::python_single($what)];
+        if (!extension_loaded('primemodule')) return false;
+        try {
+            return factorize($what);
+        } catch (\Exception $e) { return false; }
+    }
+    public static function native_cpp($what)
+    {
+        $res = [self::native_single_cpp($what)];
         if ($res[0] === false) {
             return false;
         }
         while (array_product($res) !== $what) {
-            $res[] = self::python_single($what / array_product($res));
+            $res[] = self::native_single_cpp($what / array_product($res));
         }
 
         return $res;
@@ -224,6 +230,10 @@ class PrimeModule
 
     public static function auto($what)
     {
+        $res = self::native_cpp($what);
+        if (is_array($res)) {
+            return $res;
+        }
         $res = self::python_alt($what);
         if (is_array($res)) {
             return $res;
@@ -246,6 +256,10 @@ class PrimeModule
 
     public static function auto_single($what)
     {
+        $res = self::native_single_cpp($what);
+        if ($res !== false) {
+            return $res;
+        }
         $res = self::python_single_alt($what);
         if ($res !== false) {
             return $res;

tests/install_deps.sh

@@ -0,0 +1,15 @@
+#!/bin/bash -e
+cd /tmp
+git clone https://github.com/CopernicaMarketingSoftware/PHP-CPP
+cd PHP-CPP
+make -j16
+sudo make install
+
+cd ../
+git clone https://github.com/danog/PrimeModule-ext
+cd PrimeModule-ext
+make -j16
+sudo make install
+
+cd ..
+

tests/testing.php

@@ -23,9 +23,16 @@ function test($n)
     echo '|'.str_pad('Multiple factorization of '.$n, strlen($init) - 2, ' ', STR_PAD_BOTH).'|'.PHP_EOL;
     echo '|'.str_pad('', strlen($init) - 2, '_', STR_PAD_RIGHT).'|'.PHP_EOL;
     echo $init.PHP_EOL;
+
+    list($time, $result) = get_time(['\danog\PrimeModule', 'native_cpp'], $n, true);
+    $GLOBALS['medium']['native_cpp'] += $time;
+    echo '| '.str_pad($result, 6, ' ', STR_PAD_RIGHT).' |  native cpp | '.str_pad($time, 20, ' ', STR_PAD_RIGHT).' |'.PHP_EOL;
+
     list($time, $result) = get_time(['\danog\PrimeModule', 'python_alt'], $n, true);
     $GLOBALS['medium']['python_alt'] += $time;
     echo '| '.str_pad($result, 6, ' ', STR_PAD_RIGHT).' |  python alt | '.str_pad($time, 20, ' ', STR_PAD_RIGHT).' |'.PHP_EOL;
+
+
     list($time, $result) = get_time(['\danog\PrimeModule', 'python'], $n);
     $GLOBALS['medium']['python'] += $time;
     /*
@@ -48,9 +55,14 @@ function test_single($n, $messy = false)
     echo '|'.str_pad('', strlen($init) - 2, '_', STR_PAD_RIGHT).'|'.PHP_EOL;
     echo $init.PHP_EOL;
 
+    list($time, $result) = get_time(['\danog\PrimeModule', 'native_single_cpp'], $n);
+    $GLOBALS['medium']['native_cpp'] += $time;
+    echo '| '.str_pad($result, strlen($n), ' ', STR_PAD_RIGHT).' |  native cpp | '.str_pad($time, 20, ' ', STR_PAD_RIGHT).' |'.PHP_EOL;
+
     list($time, $result) = get_time(['\danog\PrimeModule', 'python_single_alt'], $n);
     $GLOBALS['medium']['python_alt'] += $time;
     echo '| '.str_pad($result, strlen($n), ' ', STR_PAD_RIGHT).' |  python alt | '.str_pad($time, 20, ' ', STR_PAD_RIGHT).' |'.PHP_EOL;
+
     if (!$messy) {
         list($time, $result) = get_time(['\danog\PrimeModule', 'python_single'], $n);
         $GLOBALS['medium']['python'] += $time;
@@ -84,7 +96,7 @@ function gen_payload()
 }
 
 echo PHP_EOL.'----------- HUGE SEMIPRIME TESTS (100 semiprimes) ----------'.PHP_EOL;
-$GLOBALS['medium'] = ['python' => 0, 'python_alt' => 0, 'wolfram' => 0, 'native' => 0];
+$GLOBALS['medium'] = ['python' => 0, 'python_alt' => 0, 'wolfram' => 0, 'native' => 0, 'native_cpp' => 0];
 $tg = fsockopen('tcp://149.154.167.40:443');
 fwrite($tg, chr(239));
 stream_set_timeout($tg, 1);
@@ -100,7 +112,7 @@ foreach ($medium as $type => $total) {
     echo $type.': total time '.$total.', medium time '.($total / $tot).PHP_EOL;
 }
 echo PHP_EOL.'------------------- SMALL MULTIPLE FACTOR TESTS -------------------'.PHP_EOL;
-$GLOBALS['medium'] = ['python' => 0, 'python_alt' => 0, 'wolfram' => 0, 'native' => 0];
+$GLOBALS['medium'] = ['python' => 0, 'python_alt' => 0, 'wolfram' => 0, 'native' => 0, 'native_cpp' => 0];
 
 foreach ([200, 327, 35, 13589] as $multiple) {
     test($multiple);