add #138 and consolidate benchmark scripts found in the wild

Author: m6w6

bench/1500x1500.php

@@ -0,0 +1,89 @@
+<?php
+
+ini_set('memory_limit', '32G');
+
+
+// PARFS speed test
+
+echo "PHP Version: ".phpversion()." @ ".gethostname()."\n";
+
+$sz = function ($f, $fu, $data, $iterations=10, $gz=1) {
+    $raw_size = 0;
+    $t0 = microtime(1);
+    foreach (range(1, $iterations) as $XX) {
+        if ($f == 'json_encode')
+            $y = json_encode($data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
+        else
+            $y = $f($data);
+        if (! $raw_size)
+            $raw_size = strlen($y);
+        if ($gz)
+            $y = gzdeflate($y);
+    }
+    $time = microtime(1) - $t0;
+    $zip_size = strlen($y);
+
+    $t0 = microtime(1);
+    foreach (range(1, $iterations) as $XX) {
+        if ($gz)
+            $z = gzinflate($y);
+        else
+            $z = $y;
+        if ($f == 'json_encode')
+            $z = json_decode($z, 1);
+        #elseif ($f == 'serialize')
+        #    $z = unserialize(gzinflate($y), false);  // PHP7 ONLY
+        else
+            $z = $fu($z);
+    }
+    $time2 = microtime(1) - $t0;
+
+    return str_pad($f.":", 20).
+        " ".str_pad(number_format($raw_size), 10, " ",STR_PAD_LEFT).
+        " ".str_pad(number_format($zip_size), 10, " ",STR_PAD_LEFT).
+        " ".str_pad(number_format($time2 / $iterations, 4), 9, " ",STR_PAD_LEFT).
+        " ".str_pad(number_format($time / $iterations, 4), 10, " ",STR_PAD_LEFT);
+};
+
+
+$size = 1500;
+$data = [];
+for($i=0; $i<$size; $i++){
+    for($j=0; $j<$size; $j++){
+        $data[$i][$j] = [$i, "a$i" => "b$j"];
+    }
+}
+$data_set = "array $size x $size";
+
+$iterations = 2;
+$mem = number_format(memory_get_peak_usage(1) / 1000000, 1);
+echo "Data set: `$data_set`, performed $iterations iterations, data-set-memory-usage: ${mem}M\n",
+    "ALGO                   SIZE-RAW  SIZE-GZIP  UNPACK1/sec PACK1/sec  << time per one iteration", "\n",
+#   $sz("igbinary_serialize", "igbinary_unserialize", $data, $iterations), "\n",
+   $sz("igbinary_serialize", "igbinary_unserialize", $data, $iterations, 0), "\n",
+#   $sz("msgpack_pack", "msgpack_unpack", $data, $iterations), "\n",
+   $sz("msgpack_pack", "msgpack_unpack", $data, $iterations, 0), "\n"
+#           $sz("json_encode", "json_decode", $sd),
+#           $sz("serialize", "unserialize", $sd)
+;
+
+/*
+ RESULTS:
+ 
+ > ./igbinary-vs-msgpack.php 
+PHP Version: 5.6.20 @                                                                                                                            
+Data set: `array 1500 x 1500`, performed 2 iterations, data-set-memory-usage: 1,306.0M                                                                                            
+ALGO                   SIZE-RAW  SIZE-GZIP  UNPACK1/sec PACK1/sec  << time per one iteration
+igbinary_serialize:  34,866,787 34,866,787    1.8073     2.1464
+msgpack_pack:        34,348,503 34,348,503   51.9373     1.3356
+
+> ./igbinary-vs-msgpack.php 
+PHP Version: 7.0.8 @ 
+Data set: `array 1500 x 1500`, performed 2 iterations, data-set-memory-usage: 1,101.0M
+ALGO                   SIZE-RAW  SIZE-GZIP  UNPACK1/sec PACK1/sec  << time per one iteration
+igbinary_serialize:  34,866,787 34,866,787    3.3561     0.6330
+msgpack_pack:        34,348,503 34,348,503   91.5198     1.6248
+
+ 
+ */
+