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Random ramblings of a anonymous software engineer. Contains occasional profanity. Personal opinions, not related to employer.


  1. ABCI and TSUBAME 3.0

    This is an early introductory document covering the differences between two supercomputers which I happened to have access to. More content might be added when I have time. Hardware A comparison of the compute nodes in the following table. The characteristics are relatively similar, but ABCI is generally more powerful…


  2. 또 하나의 브라우저 엔진이 없어졌다

    개인적인 입장의 글입니다. 현재 활동하고 있는 표준화 단체, 고용주의 입장과는 무관합니다. Microsoft에서 지지난주에 Internet Explorer의 후속으로 개발하던 브라우저 Edge의 (코드명: Spartan) 엔진 개발을 중단하고, Chromium기반의 브라우저로 새로이 내놓겠다는 기사를 보았다. 소문은 그 이전에 돌기 시작하였는데, 이게 발표되고 나서 충격이 컸던건 사실이다. 전 직장이었던 Opera의 Presto엔진 개발 중단에 이어, 두번째 대형…


  3. The Story of Cynthia

    Some have seen my Github username and have wondered why is this dude calling himself Cynthia? Of all things? So here is the background story. It isn't a very interesting one. If you were expecting me talking about gender identity and what not, this isn't it. (Although I do wonder…


  4. DIY Finsix Dart Magsafe Tip

    NOTA BENE: Following this tutorial will most likely result in voiding multiple warranties across multiple devices. If done incorrectly this may result in extreme consequences - including fires, battery and or charger explosions and overheating, short circuits which can have consequences including burning your house or building down. The author…


  5. Local Debugging of Service Workers

    Service workers requires a secure origin to work. For this reason, to debug service workers locally you will need to setup a HTTPS server on your local machine - unfortunately it isn't an entirely straightforward process. Here is a quick and dirty trick to do this. First, you will need…


  6. Barnes-Hut t-SNE for CUDA (Linux, Mac)

    I recently had to do some large-scale analysis, which was better suited to be run on a GPU. t-SNE is an excellent tool for visualizing data clusters, and those who have found this post via Google probably know what this already is, so I'm not going to go into much…