https://junhjang.github.io/Recent content on Junhyuk Janghttps://junhjang.github.io/og-image.pnghttps://junhjang.github.io/og-image.pngHugoen-usSun, 24 May 2026 20:45:41 +0900https://junhjang.github.io/posts/choosing-an-mpsc-queue/Sun, 24 May 2026 13:00:00 +0900https://junhjang.github.io/posts/choosing-an-mpsc-queue/I needed to pick an MPSC queue for a trading engine’s contended hot path. Here’s the benchmark across four candidates.https://junhjang.github.io/posts/building-a-trading-engine-with-ai/Wed, 20 May 2026 13:00:00 +0900https://junhjang.github.io/posts/building-a-trading-engine-with-ai/I’m building a trading engine where AI writes the code. Here’s what that took.