https://lien0214.github.io/en/categories/engineering/ Recent content in Engineering on Yi-Wei Lien Hugo en Sun, 14 Jun 2026 00:00:00 +0000 https://lien0214.github.io/en/posts/seam-carving-gpu/ Sun, 14 Jun 2026 00:00:00 +0000 https://lien0214.github.io/en/posts/seam-carving-gpu/ A profiling-driven study of exact seam carving on an NVIDIA V100 — optimizing Naive → Fused → Prefetch → BytePtr → Tiled, reaching 5.73 ms/seam at 8K, and then proving the ceiling is structural. https://lien0214.github.io/en/posts/shopback-monorepo/ Sat, 01 Nov 2025 00:00:00 +0000 https://lien0214.github.io/en/posts/shopback-monorepo/ The hardest task of my Shopback internship: migrating inter-service API calls to direct function calls in a TypeScript monorepo — with no prior art on my team and a mentor who hadn't seen it either. https://lien0214.github.io/en/posts/bubblo-devlog/ Thu, 10 Jul 2025 00:00:00 +0000 https://lien0214.github.io/en/posts/bubblo-devlog/ Three months, six people, one 2D platformer. What I learned adapting corporate workflow to a student team — and why the retrospective felt wrong the whole time.