Daily Archives: 2021-01-03

From microops to abstract resources: constructing simpler CPU performance models

Source: Hacker News

Article note: We've made our processors so godawful complicated by layers of local optimizations that humans can't understand them, so in the way of computing, we're going to throw another inscrutable layer of abstraction on top to model them so we can still tune our similarly over-complicated code interfaces.
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AMD Patent Reveals Hybrid CPU-FPGA Design That Could Be Enabled by Xilinx Tech

Source: Hacker News

Article note: ...Like were hot a decade ago with those FPGA-in-Hypertransport-Socket designs like the Convey HX machines. I think it's basically the cisc/risc was the wrong question lesson again, it's shuffling around where and when optimizations happen and trading off general applicability vs. special purpose efforts.
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Working from Bed Is Great

Source: Hacker News

Article note: My articulated bedframe came from my studio (where it was universal bed/couch/recliner furniture) to my office in the current house, because I like a good recumbent-with-laptop work session to break up the desk chair discomfort. I don't like it for interaction, but reading/writing/coding tasks? Awesome.
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