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Commit ccfc2406 authored by Muhammad Rafli Fadillah's avatar Muhammad Rafli Fadillah
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## Praktikum 1: IF 3230
## OpenMP - Bitonic Sort
......@@ -47,23 +48,23 @@ ________________________________________________
</tr>
<tr>
<td> 1 </td>
<td> 4321 </td>
<td> 4722 </td>
<td> 4327 </td>
<td> 13229 </td>
</tr>
<tr>
<td> 2 </td>
<td> 4831 </td>
<td> 4072 </td>
<td> 6143 </td>
<td> 11204 </td>
</tr>
<tr>
<td> 3 </td>
<td> 4288 </td>
<td> 4629 </td>
<td> 5269 </td>
<td> 12040 </td>
</tr>
</table>
Avg Serial Time: 4480 ms <br>
Avg Parallel Time: 4474 ms <br>
Speedup: 1.0012664829
Avg Serial Time: 5246 ms <br>
Avg Parallel Time: 12157 ms <br>
Speedup: 0.43152468
-> Kasus n = 50000
<table>
......@@ -74,23 +75,23 @@ ________________________________________________
</tr>
<tr>
<td> 1 </td>
<td> 49232 </td>
<td> 35116 </td>
<td> 31099 </td>
<td> 16908 </td>
</tr>
<tr>
<td> 2 </td>
<td> 52851 </td>
<td> 38867 </td>
<td> 28915 </td>
<td> 17575 </td>
</tr>
<tr>
<td> 3 </td>
<td> 48706 </td>
<td> 41923 </td>
<td> 28583 </td>
<td> 16876 </td>
</tr>
</table>
Avg Serial Time: 50263 ms <br>
Avg Parallel Time: 38635 ms <br>
Speedup: 1.434487
Avg Serial Time: 29532 ms <br>
Avg Parallel Time: 17119 ms <br>
Speedup: 1.72505
-> Kasus N = 100000
<table>
......@@ -101,23 +102,23 @@ ________________________________________________
</tr>
<tr>
<td> 1 </td>
<td> 101226 </td>
<td> 71314 </td>
<td> 62549 </td>
<td> 39124 </td>
</tr>
<tr>
<td> 2 </td>
<td> 106517 </td>
<td> 65578 </td>
<td> 77528 </td>
<td> 37911 </td>
</tr>
<tr>
<td> 3 </td>
<td> 106734 </td>
<td> 59556 </td>
<td> 62292 </td>
<td> 37312 </td>
</tr>
</table>
Avg Serial Time: 107414.722443 ms <br>
Avg Parallel Time: 64058.621724 ms <br>
Speedup: 1.676819
Avg Serial Time: 67456 ms <br>
Avg Parallel Time: 38115 ms <br>
Speedup: 1.76977
-> Kasus N = 200000
<table>
......@@ -128,23 +129,23 @@ ________________________________________________
</tr>
<tr>
<td> 1 </td>
<td> 275664 </td>
<td> 136981 </td>
<td> 136814 </td>
<td> 88211 </td>
</tr>
<tr>
<td> 2 </td>
<td> 233352 </td>
<td> 128693 </td>
<td> 135371 </td>
<td> 79621 </td>
</tr>
<tr>
<td> 3 </td>
<td> 233212 </td>
<td> 128683 </td>
<td> 137433 </td>
<td> 77958 </td>
</tr>
</table>
Avg Serial Time: 247409.979502 ms <br>
Avg Parallel Time: 131452.719371 ms <br>
Speedup: 1.882121
Avg Serial Time: 136539 ms <br>
Avg Parallel Time: 81930 ms <br>
Speedup: 1.66653
-> Kasus N = 400000
<table>
......@@ -155,23 +156,23 @@ ________________________________________________
</tr>
<tr>
<td> 1 </td>
<td> 552391 </td>
<td> 263789 </td>
<td> 300675 </td>
<td> 178513 </td>
</tr>
<tr>
<td> 2 </td>
<td> 514621 </td>
<td> 264982 </td>
<td> 294995 </td>
<td> 177174 </td>
</tr>
<tr>
<td> 3 </td>
<td> 514233 </td>
<td> 258720 </td>
<td> 302245 </td>
<td> 175050 </td>
</tr>
</table>
Avg Serial Time: 515254.259109 ms <br>
Avg Parallel Time: 261510.690053 ms <br>
Speedup: 1.970299
Avg Serial Time: 299305 ms <br>
Avg Parallel Time: 176912 ms <br>
Speedup: 1.69182
5. **Analisis perbandingan kinerja serial dan paralel.**<br><br>
Program paralel akan semakin baik kinerjanya ketika ukuran array yang diberikan semakin besar (atau sangat besar). Hal ini karena adanya overhead pembuatan thread dan juga penggabungan thread. Ketika ukuran array kecil, overhead akan melebihi pengurangan waktu antara program serial dan parallel. Ketika ukuran array besar, pengurangan waktu antara program serial dan paralel jauh melebihi waktu overhead. Program paralel lebih cocok untuk mengatasi ukuran array yang besar, namun program serial cocok untuk mengatasi ukuran array yang kecil.
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