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All Journal Jurnal Ilmu Komputer dan Informasi Charity : Jurnal Pengabdian Masyarakat Narra J Jurnal Nusantara Berbakti Jurnal Sistem Informasi
Ari Wibisono Ari Wibisono
Fakultas Ilmu Komputer, Universitas Indonesia
Arts Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Health Professions Immunology & microbiology Law, Crime, Criminology & Criminal Justice Library & Information Science Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences

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IMPLEMENTATION OF SERIAL AND PARALLEL BUBBLE SORT ON FPGA Dwi Marhaendro Jati Purnomo; Ahmad Arinaldi; Dwi Teguh Priyantini; Ari Wibisono; Andreas Febrian
Jurnal Ilmu Komputer dan Informasi Vol 9, No 2 (2016): Jurnal Ilmu Komputer dan Informasi (Journal of Computer Science and Information)
Publisher : Faculty of Computer Science - Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (369.207 KB) | DOI: 10.21609/jiki.v9i2.378

Abstract

Sorting is common process in computational world. Its utilization are on many fields from research to industry. There are many sorting algorithm in nowadays. One of the simplest yet powerful is bubble sort. In this study, bubble sort is implemented on FPGA. The implementation was taken on serial and parallel approach. Serial and parallel bubble sort then compared by means of its memory, execution time, and utility which comprises slices and LUTs. The experiments show that serial bubble sort required smaller memory as well as utility compared to parallel bubble sort. Meanwhile, parallel bubble sort performed faster than serial bubble sort
COMPARATIVE STUDY OF RTOS AND PRIMITIVE INTERRUPT IN EMBEDDED SYSTEM Dwi Purnomo; Machmud R Alhamidi; Grafika Jati; Novian Habibie; Benny Hardjono; Ari Wibisono
Jurnal Ilmu Komputer dan Informasi Vol 8, No 1 (2015): Jurnal Ilmu Komputer dan Informasi (Journal of Computer Science and Information)
Publisher : Faculty of Computer Science - Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (486.332 KB) | DOI: 10.21609/jiki.v8i1.282

Abstract

Multitasking is one of the most challenging issues in the automation industry which is highly depended on the embedded system. There are two methods to perform multitasking in embedded system: RTOS and primitive interrupt. The main purpose of this research is to compare the performance of R¬TOS with primitive method while concurrently undertaking multiple tasks. The system, which is able to perform various tasks, has been built to evaluate the performance of both methods. There are four tasks introduced in the system: servo task, sensor task, LED task, and LCD task. The performance of each method is indicated by the success rate of the sensor task detection. Sensor task detection will be compared with the true value which is calculated and measured manually during observation time. Observation time was varied after several iterations and the data of the iteration are recorded for both RTOS and primitive interrupt methods. The results of the conducted experiments have shown that, RTOS is more accurate than interrupt method. However, the data variance of the primitive interrupt method is narrower than RTOS. Therefore, to choose a better method, an optimization is needed to be done and each product has its own standard.
INVESTIGATION OF FLIP-FLOP PERFORMANCE ON DIFFERENT TYPE AND ARCHITECTURE IN SHIFT REGISTER WITH PARALLEL LOAD APPLICATIONS Dwi Purnomo; Machmud Roby Alhamidi; Ari Wibisono; Muhammad Iqbal Tawakal
Jurnal Ilmu Komputer dan Informasi Vol 8, No 2 (2015): Jurnal Ilmu Komputer dan Informasi (Journal of Computer Science and Information)
Publisher : Faculty of Computer Science - Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (268.786 KB) | DOI: 10.21609/jiki.v8i2.306

Abstract

Register is one of the computer components that have a key role in computer organisation. Every computer contains millions of registers that are manifested by flip-flop. This research focuses on the investigation of flip-flop performance based on its type (D, T, S-R, and J-K) and architecture (structural, behavioural, and hybrid). Each type of flip-flop on each architecture would be tested in different bit of shift register with parallel load applications. The experiment criteria that will be assessed are power consumption, resources required, memory required, latency, and efficiency. Based on the experiment, it could be shown that D flip-flop and hybrid architecture showed the best performance in required memory, latency, power consumption, and efficiency. In addition, the experiment results showed that the greater the register number, the less efficient the system would be.
Sosialisasi Implementasi Prototype Portal Manajemen Sumber Daya High Performance Computing (HPC): Simulasi Dinamika Molekular Heru Suhartanto; Arry Yanuar; Ari Wibisono; Yohanes Gultom
Charity : Jurnal Pengabdian Masyarakat Vol 3 No 2 (2020): Charity - Jurnal Pengabdian Masyarakat
Publisher : PPM Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/charity.v3i1.2369

Abstract

Masalah pertama yang dihadapi terkait kegiatan ini adalah Penggunaan sumber daya High Performance Computing (HPC) membutuhkan fasilitas superkomputer yang sangat mahal, baik pengadaan maupun perawatannya. Sehingga fasilitas HPC tersebut hanya dimiliki institusi tertentu yang memiliki sumber pendanaan cukup besar. Terutama di Indonesia, mungkin hanya segelintir lembaga pendidikan dan penelitian yang mampu memilikinya. Hal ini mengakibatkan, pemanfaatan HPC untuk penelitian menjadi terbatas, karena sangat sedikit sekali aktivitas penelitian yang memiliki akses ke fasilitas HPC tertentu. Sehingga hal ini menjadi suatu hambatan tersendiri, terutama untuk kasus penelitian yang menuntut sumber daya komputasi besar. Masalah kedua yakni para peneliti yang umumnya berasal dari berbagai macam disiplin ilmu pengetahuan sering tidak memiliki kemampuan tentang bagaimana menggunakan infrastruktur HPC tersebut. Umumnya, pengguna HPC cloud akan diberikan beberapa server virtual, kemudian server virtual tersebut harus disiapkan secara mandiri sesuai kebutuhan aplikasinya. Setup tersebut berkaitan dengan instalasi Sistem operasi, midleware, aplikasi, serta beberapa konfigurasi yang tidak sederhana. (Rajan et all, 2011) Sehingga, peneliti tersebut harus bertambah pekerjaan dan waktu tambahan untuk mempelajari suatu kemampuan lain yang cukup rumit di luar esensi penelitian itu sendiri agar mampu menggunakan cloud IAAS tersebut Untuk mengatasi masalah masalah pertama tersebut, muncul satu alternatif solusi, yaitu dengan penggunaan layanan cloud Infrastruktur-as-a-Service (IAAS), di mana layanan cloud tersebut menyediakan infrastruktur HPC. Layanan infrastruktur tersebut meliputi prosesor, memory, storage, jaringan internet, listrik serta perawatan. Saat ini banyak bermunculan vendor IAAS, seperti Amazon EC2 (Elastic Computing Cloud for Computing Service), S3 (Simple Storage Service), Microsoft Azure (PAAS), Google AppEngine, dan lainnya. Penulis telah mengembangkan prototype portal Sumber Daya HPC untuk simulasi dinamika molekuler sebagai output dari kegiatan penelitian beberapa tahun belakangan ini. Dalam kegiatan ini, dilakukan ujicoba implementasi prototype tersebut kepada usernya yakni para peneliti baik dosen dan mahasiswa. Sosialisasi pengenalan dan ujicoba prototype tersebut telah dilakukan kepada beberapa rekan dosen, peneliti dan mahasiswa di Universitas Padjajadan dan Institute Teknologi Bandung. Berdasarkan hasil kuesioner kegiatan sosialisasi ini, seluruh peserta merasa puas dengan kegiatan sosialisasi ini dan menganggap prototype tersebut dapat membantu memperbaiki kondisi mereka. Sistem yang diperkenalkan ini juga dianggap sesuai oleh seluruh peserta untuk mengangkat potensi bidang mereka (farmasi/kimia). Sebagian besar peserta juga merasa puas dengan acara yang diselenggarakan ini dan merasa cukup mampu untuk memanfaatkan sistem ini secara mandiri tanpa bantuan/pendampingan dari tim UI.
ANALYSIS OF QUALITY ASSURANCE ON SISTEM INFORMASI ZAKAT (SIZAKAT) THROUGH SOFTWARE TESTING Abdul Haris; Wisnu Jatmiko; Ari Wibisono
Jurnal Sistem Informasi Vol. 9 No. 2 (2013): Jurnal Sistem Informasi (Journal of Information System)
Publisher : Faculty of Computer Science Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (172.857 KB) | DOI: 10.21609/jsi.v9i2.355

Abstract

Sistem Informasi Zakat (SIZakat) is a web-based information system that is used to assist in the management of zakat in Imam Bonjol Mosque Pondok Labu, South Jakarta. In this thesis, we conducted testing to the SIZakat application to know the quality and the feasibility. We conducted seven kinds of testing: Unit Testing, Integration Testing, Stress Testing, Load Testing, Testing SQL Injection, XSS Injection Testing and User Acceptance Testing. In addition to ensure the quality of SIZakat, the SIZakat test result is expected to be a reference for future quality improvement. Test results show that SIZakat have accurate functionalities, good security, and good performance.
WEB PLACE NAME DICTIONARY IMPLEMENTATION USING TWITTER AS SOURCE TO DEVELOP TRAFFIC INFORMATION SYSTEM Rachmad Akbar; Ari Wibisono; Petrus Mursanto
Jurnal Sistem Informasi Vol. 10 No. 1 (2014): Jurnal Sistem Informasi (Journal of Information System)
Publisher : Faculty of Computer Science Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (700.954 KB) | DOI: 10.21609/jsi.v10i1.374

Abstract

Abstract Congestion is one of the severe problems that occurs in big cities like Jakarta, the center of the Indonesian government. One alternative solution to solve this problem is with a Traffic Information System which is easily accessible by the public. Twitter as a social media can be used as one of information source to develop the Traffic Information System. The most common problem in the processing of information on Twitter, especially in Indonesia, is the use of abbreviations and typographical error (typo). We propose an application of Web Place Name Dictionary in addressing abbreviations and typos in the name of the location contained on Twitter to develop a Traffic Information System. Three cases in find coordinate point in the street that derived from location name in Twitter can be handled through the proposed system. This system produces 90% accuration rate on 100 data set that obtained via @TMCPoldaMetro. This study only focus on the implementation of Web Place Name Dictionary method so we do not compare our system with the other methods.
C4.5 DECISION TREE IMPLEMENTATION IN SISTEM INFORMASI ZAKAT (SIZAKAT) TO AUTOMATICALLY DETERMINING THE AMOUNT OF ZAKAT RECEIVED BY MUSTAHIK David Bayu Ananda; Ari Wibisono
Jurnal Sistem Informasi Vol. 10 No. 1 (2014): Jurnal Sistem Informasi (Journal of Information System)
Publisher : Faculty of Computer Science Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (443.995 KB) | DOI: 10.21609/jsi.v10i1.375

Abstract

Abstract In general, Zakat Information Systems is established to manage the zakat services, so that the data can be well documented. This study proposes the existence of a feature that will determine the amount of zakat received by Mustahik automatically using C4.5 Decision Tree algorithm. This feature is expected to make the process of determining the amount of zakat be done easy and optimal. The data used in this study are the data taken from Masjid An-Nur, Pancoran, South Jakarta. The experiment results show that the proposed feature produces an accuracy rate over 85%.
PENGARUH PENERAPAN SISTEM INFORMASI DATABASE RISET DAN PENGABDIAN MASYARAKAT (SIDR) DI LINGKUNGAN UNIVERSITAS INDONESIA Qurrotin A’yunina; muhammad soleh; ari wibisono
Jurnal Sistem Informasi Vol. 11 No. 1 (2015): Jurnal Sistem Informasi (Journal of Information System)
Publisher : Faculty of Computer Science Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (120.315 KB) | DOI: 10.21609/jsi.v11i1.413

Abstract

Sistem Informasi Database Riset dan Pengmas (SIDR) is an information system that saves the reseach and community service data in Universitas Indonesia. To evaluate the effectiveness of SIDR, it is ideal to gather data about the SIDR user’s responses. Consequently, in the present study, questionnaire method uses a 6-point Likert scale is applied to obtain that kind of information. In general, the results show that SIDR provides an effective means of creating and centralizing research and community service data for whole faculties in Universitas Indonesia.
MANAJEMEN PENGELOLAAN ARTIKEL PADA INTERNATIONAL CONFERENCE ON ADVANCED COMPUTER SCIENCE AND INFORMATION SYSTEMS (ICACSIS) Sumarsih C Purbarani; hanif wisesa; ari wibisono
Jurnal Sistem Informasi Vol. 11 No. 1 (2015): Jurnal Sistem Informasi (Journal of Information System)
Publisher : Faculty of Computer Science Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1341.917 KB) | DOI: 10.21609/jsi.v11i1.414

Abstract

On the contribution to scientific publications, The Faculty of Computer Science Universitas Indonesia (Fasilkom UI) holds an annual international conference entitled International Conference on Advance Computer Science and Information Systems (ICACSIS). This international conference is aimed to be a platform for scientists all over the world to present their findings to other colleagues of the same interest. The process of collecting papers from these particular countries is not easy. Thus, a system that can automatically manage the paper submission process is needed. There are numerous webbased conference management systems on the Internet. Despite the basic common features, many of them offer various features that distinguish them from the others. This paper presents various features that are available in the market, analyzes the functions of features that meets the ICACSIS paper management’s requirement and integrating both the former and the later.
Embedded Deep Learning System for Classification of Car Make and Model Ari Wibisono; Hanif Arief Wisesa; Satria Bagus Wicaksono; Puteri Khatya Fahira
Jurnal Ilmu Komputer dan Informasi Vol. 16 No. 1 (2023): Jurnal Ilmu Komputer dan Informasi (Journal of Computer Science and Informatio
Publisher : Faculty of Computer Science - Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21609/jiki.v16i1.1118

Abstract

Automatic car make, and model classification is essential to support activities of intelligent traffic systems in urban areas, such as surveillance, traffic information collection, statistics, etc. In order to classify this data, we need an embedded system approach for real-time car recognition. Many approaches could be made, from image processing to machine learning. Recently, the development of the Convolutional Neural Network has spurred various research in the Area. ResNet, Inception, DenseNet, and NasNet are some of the most commonly used Neural Network based method that is used to classify images. In this research, these Neural Network methods are going to be compared in classifying vehicle make and model in the Stanford dataset. The dataset contains 196 different labels. Several evaluation metrics are used to compare the performance of the methods. From the experiment, the InceptionV3 method achieved the best performance of the AUROC ratio for training the dataset under 50 epochs. Other methods that achieve a high AUROC value tends to have a higher computational time. Real-time simulations have shown that the embedded system is capable of classifying a 100 % success rate for six concurrent users.
Co-Authors Abdul Haris Abdul Haris Afifi, Rahmi Ahmad Arinaldi Andreas Febrian Anggraini Iriani Arry Yanuar Baruna, Bagus DI. Benny Hardjono Chahyati, Dina David Bayu Ananda David Bayu Ananda David Bayu Ananda Dwi Marhaendro Jati Purnomo Dwi Purnomo Dwi Teguh Priyantini Falerisya, Maharani Grafika Jati Guarddin, Gladhi Hanif Arief Wisesa hanif wisesa hanif wisesa hanif wisesa Heru Suhartanto Krisnadhi, Adila Machmud R Alhamidi Machmud Roby Alhamidi Machmud Roby Alhamidi Muhammad Farhan Firmansyah Muhammad Iqbal Tawakal Muhammad Iqbal Tawakal muhammad soleh muhammad soleh muhammad soleh Nandipinto, Finny Nareswari, Dewi Naufal Rahmadika, Rafif Novian Habibie Petrus Mursanto Petrus Mursanto Pratama, Dhita P. Purnomo Edi Sasongko Puteri Khatya Fahira Qurrotin A’yunina Qurrotin A’yunina Qurrotin A’yunina Rachmad Akbar Rachmad Akbar Rachmad Akbar Rahmawati, Irda N. Rumende, Cleopas M. Salsabila, Raissa Satria Bagus Wicaksono Septiyanti, Wita Sini, Ivan R. Sumarsih C Purbarani Sumarsih C Purbarani Sumarsih C Purbarani Telly Kamelia Wicaksono, Ceva Wisnu Jatmiko Yohanes Gultom Yunus, Reyhan E. Zulkarnaien, Benny