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Journal : JITU : Journal Informatic Technology And Communication

Meningkatkan Efisiensi Energi Perangkat Edge melalui Optimasi Pruning dan Kuantisasi Model Sembilu, Nambi; Mukhlis, Iqbal Ramadhani; Satibi, Iswanda Fauzan
JITU Vol 10 No 1 (2026)
Publisher : Universitas Boyolali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36596/jitu.v10i1.2324

Abstract

Edge computing devices are increasingly tasked with performing artificial intelligence inference under strict constraints on processing capacity and power consumption. This study evaluates magnitude-based weight pruning and dynamic quantization as practical model compression techniques for energy-efficient edge AI deployment. MobileNetV2, pretrained on ImageNet, was adapted to the CIFAR-10 classification task and compressed under three configurations: 40% L1 unstructured pruning followed by recovery fine-tuning (Prune40), dynamic INT8 post-training quantization (QuantINT8), and a sequential combination of both (Prune+Quant). All experiments were executed on a physical Intel N150 mini PC with a thermal design power of 6 watts, using PyTorch 2.1 in CPU-only inference mode. Results show that Prune40 reduced inference latency by 17.9% while simultaneously improving classification accuracy by 1.04 percentage points, attributed to the implicit regularisation effect of sparse weight removal and recovery fine-tuning. QuantINT8 yielded moderate latency savings (6.6%) with negligible accuracy loss. The combined pipeline achieved the lowest absolute latency at a marginal energy overhead. These findings establish magnitude pruning with recovery training as the most effective single-step compression strategy for low-power x86 edge platforms.
Co-Authors Abdul Rezha Efrat Najaf Adit Haptono, Anggoro Afandi, Haekal Ridho Africa, Laely Aghe Aji, Geo Ardana Ihsan Purnama Alvian Jaya, Muhammad Alya Rizky Natasya Alya Rizky Natasya Ana Wati, Seftin Fitri Andhika Maheswara, Wahyu Pratama Aqil, Zharif Ra'is Arif Z Djunaedi Arif Zeinfiki Djunaedi Barmin, Aidah Maryam Deny Hermansyah Dewi Murdiawati Diah Ekaningtias Diah Ekaningtyas Ellen Theresia Sihotang Farras Hafish Zidane Fitri, Anindo Saka Gaguk Suprianto Gumelar, Mustofa Maulana Lingga Hariadi Yutanto Heri Suprianto Heri Supriyanto Iswanda F. Satibi Iswanda F. Satibi Jonathan Gerry Joy Christianto Kadek Pranetha Prananjaya, Kadek Pranetha Kartika Marta Budiana Khuzaini Khuzaini khuzaini, Khuzaini Maharani, Ganestiana Diah Marya Mujayana Marylda Salma Wajendra Dewi Meilisa Lantang, Vanessa Mellyza Silvy Mirza Khazim Nugraha Moch. Anang Karyawan Mochammad Vaif Dwi Alifkhan Mohammad Syarrafah Muhammad Rafi Arganta Muhammad Zainuddin Mustofa Maulana Lingga Gumelar Nasution, Zubaidah Natasya, Alya Rizky Naufal Nur Ahmad Nur Rochmah Prasasti Karunia Farista Ananto Putra, Rio Alghaniy Rafika Rahmawati Rafika Rahmawati Rafika Rahmawati Riski Aprillia Nita Rithmaya, Chitra Laksmi Rizka Hadiwiyanti Robiah Al Adawiyah Rudi Santoso, Rudi Salsabilla, Kharisma Agustya Zahra Satibi, Iswanda Fauzan Sembilu, Nambi Sihotang, Ellen Theresia Sinarring Azi Laga Suhartono Suprianto, Gaguk Syahputra, Ardyanto Widyadana Thomas Aquino Berno Doduk Tika Ayu Hariyanti Tri Luhur Indayanti Sugata Tri Puspa Rinjeni Virdha Rahma Aulia Wati, Seftin Fitri Ana Wibowo, Nur Cahyo Yani, Prawita Yudha Herlambang Cahya Pratama Yudi Sutarso Zharif Ra'is Aqil