From b3866c2617d4ef9237ab379a795c8ed9cfd4fc21 Mon Sep 17 00:00:00 2001
From: Mohammad Yaaghubi <m.yaaghubi.abc@gmail.com>
Date: Fri, 11 Aug 2023 14:45:43 +0330
Subject: [PATCH] Add comparison between last two results on table

---
 benchmark.sh                |  2 +-
 libs/build_table.php        | 34 +++++++++++++++++++++++++---------
 libs/show_results_table.php | 15 ++++++++++-----
 3 files changed, 36 insertions(+), 15 deletions(-)

diff --git a/benchmark.sh b/benchmark.sh
index 2cb281e..1001f9f 100644
--- a/benchmark.sh
+++ b/benchmark.sh
@@ -85,5 +85,5 @@ done
 if [ "$init_benchmark" = true ]; then
     sh ./base/hello_world.sh 
     echo ''
-    php ./libs/show_results_table.php
+    bash results.sh
 fi
\ No newline at end of file
diff --git a/libs/build_table.php b/libs/build_table.php
index 79939f7..21858a7 100644
--- a/libs/build_table.php
+++ b/libs/build_table.php
@@ -1,6 +1,6 @@
 <?php
 
-function build_table($results, $header = true)
+function build_table($res1, $res2 = null, $header = true)
 {
     $table = '';
 
@@ -9,25 +9,41 @@ function build_table($results, $header = true)
         $table .= '|-------------------|------------------------:|-------------:|----------:|-------------:|' . "\n";
     }
 
-    if (!$results) {
+    if (!$res1) {
         $text = 'Table is empty!';
         $lLen = 87;
-        $lELen = ($lLen - strlen($text))/2;
-        
-        $table .= sprintf("|%".$lELen."s%".strlen($text)."s%".$lELen."s|\n", '', $text, '');
+        $lELen = ($lLen - strlen($text)) / 2;
+
+        $table .= sprintf("|%" . $lELen . "s%" . strlen($text) . "s%" . $lELen . "s|\n", '', $text, '');
         return $table;
     }
-    
-    foreach ($results as $fw => $result) {
+
+    foreach ($res1 as $fw => $result) {
+        $comp['rps'] = '(-)';
+        $comp['memory'] = '(-)';
+        if (!empty($res2[$fw])) {
+            $comp['rps'] = '(' . culc_percentage($result['rps'], $res2[$fw]['rps']) . '%)';
+            $comp['memory'] = '(' . culc_percentage($result['memory'], $res2[$fw]['memory']) . '%)';
+        }
+
         $table .= sprintf(
             "|%-19s|%25s|%14s|%11s|%14s|\n",
             $fw,
-            number_format($result['rps'], 2),
+            number_format($result['rps'], 2) . ' ' . @$comp['rps'],
             number_format($result['rps_relative'], 1),
-            number_format($result['memory'], 2),
+            number_format($result['memory'], 2) . ' ' . @$comp['memory'],
             number_format($result['memory_relative'], 1)
         );
     }
 
     return $table;
 }
+
+function culc_percentage($targetNumber, $baseNumber)
+{
+    $diff = $targetNumber - $baseNumber;
+    $percentage = ($diff / $baseNumber) * 100;
+    if ($percentage==0)
+        return 0;
+    return number_format($percentage, 1);
+}
diff --git a/libs/show_results_table.php b/libs/show_results_table.php
index c722953..4098e00 100755
--- a/libs/show_results_table.php
+++ b/libs/show_results_table.php
@@ -8,14 +8,19 @@
 rsort($results);
 
 $index = 0;
-if (!empty($argv[1]) && $argv[1]<count($results)) {
-    $index = $argv[1];
+if (!empty($argv[1]) && $argv[1] < count($results)) {
+    $index = intval($argv[1]);
 }
 
 if (preg_match("/output\/(\S+)/", @$results[$index], $match)) {
-    echo "Results: ".@$match[1].PHP_EOL;
+    echo "Results: " . @$match[1] . PHP_EOL;
 }
 
-$pr = parse_results(@$results[$index].'/results.log');
+$pr = parse_results(@$results[$index] . '/results.log');
 
-echo build_table($pr);
+if ($index + 1 >= count($results)) {
+    echo build_table($pr);
+} else {
+    $prComp = parse_results(@$results[$index+1] . '/results.log');
+    echo build_table($pr, $prComp);
+}