Professor Hwang is a pioneer in parallel processing computer architecture field. He has published 10 English monographs about computers and the Internet, six of which have been adopted worldwide and translated into 4 foreign languages from the English editions. He also published 280 papers. According to Google Scholar, his works have been cited for over 20,500 times with an H-index of 62 currently. In 1983, he published the "Computer Architecture and Parallel Processing" and lectured back in China for many times, which significantly promoted the development of high-performance computing and the establishment of Kylin OS, Sugon, and Tianhe supercomputer systems.

Professor Hwang has received a number of awards for his research contributions. He was honored with the 2012 IEEE World Cloud Computing Conference Lifetime Achievement Award, the 2019 70th Anniversary Science and Technology Innovation Achievement Award and 2020 Wu Wenjun Artificial Intelligence Natural Science Award. He has trained thousands of professionals in the computer science field in China, which includes 6 academicians, 10 IEEE/CCF fellows, and more than 30 leading professionals in computer science field. The China Computer Federation (CCF) awarded Professor Hwang the first 2005 Outstanding Overseas Scholar Achievement Award in recognition of his great contribution to China's engineering science and technology. The Outstanding Overseas Scholars Contribution Award is the highest award issued by CCF to overseas scholars.