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Prikvačeni tweet
It’s part of the general pattern of mainstream thought lagging reality by two generations. The lefty version is seeing the world in race and class. It’s why we look at Victorian colonialism (or Churchill post WW2) in amazement at what they were thinking.
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I’d also be pissed off if I went expecting one type of theater experience and got something different. (And no trailers to let you know what to expect.) Seems to me a silly stretch, mostly, to convert people’s tastes into much more than that.
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Second the usual references to “outrage” at new modes of theater. Lecturer seems determined to make a mountain out of a molehill. I, for one, hate realist theater — not bcs of outrage but because it bores the hell out of me.
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Discussions of art that display women as seductive monsters treated as literal misogyny. Zero appreciation that most of this (and similar in literature) is *allegory*, frustration at the aspects of one’s personality that are uncontrollable, at the inner addict.
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Listening to lectures on Euro history 19th, early 20th C, and frustrated by what seems to me so much shallowness in the analysis. Two examples:
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Maynard Handley proslijedio/la je Tweet
5. Because I was raised Catholic, forgiveness/atonement are foundational values for me. I have yet to find an online social space which supports this meaningfully.
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83. Tech can be an iron cage, or it can be an exoskeleton. It is MOSTLY your choice, not tech's fault, not society's fault, not even your family's fault (though it may be your friends' fault... get better friends!) as to which it is.
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82. This is not new. Every previous tech (print, phone, TV, ...) also falsified many models of humanity. But then every generation pretends the past is irrelevant to their new conditions, and reinvents what are mostly the same models.
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81. Tech is not a brainwashing machine, it is an alethiometer. But lots of people are very unhappy to learn that their models of humanity have been aggressively falsified...
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80. MIPS did something like this (MIPS MT ASE), but by the time this idea was released MIPS was no longer interesting to anyone so the idea seems to have disappeared, barely noticed.
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79. Is the optionality of SFT worth it? Not for general throughput engine tasks, I don't think so -- you still have your sea of small cores. BUT it allows for lightweight launching of coroutines. And that has potential to make some programming styles more practical.
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78. So, yeah: SMT dumb -- for PERSONAL devices (ie latency devices). SFT smart -- for PERSONAL devices.
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77. Does this matter? For desktops and phones? Are you kidding? You have 4, 6, 8 high performance cores and you think it's a PROBLEM that you can't run two simultaneous independent apps on one of them?
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76. What's the downside? Well the threads are (by design) not virtualized. So you don't get what looks like 2x as many CPUs. If you want to run two independent apps on one CPU, you have to resort to good-old-fashioned tim slicing.
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75. Bcs OS is not involved, app can spawn extremely light-weight fibers that only have to execute a few tens of instructions to have a net performance win.
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74. The wins of SFT over SMT are substantial. Security is no longer an issue (threads are same process). Sharing is much less of an issue. (Likely to be much more overlap of everything from TLB entries to I-cache and D-cache entries.)
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73. OK, I said SMT is silly. But the devil is in the details. I have much more sympathy for "symmetric fiber threading". This is like SMT, but the threads are not visible to the OS (apart from trivialities like register save at context switching).
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72. But for generic "PC"-type CPU? Nah, seems to me a silly design point.
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71. So is SMT always dumb? No. If it's a hack around legalities (like per "cpu" licensing), well, what can you do? If the CPU is designed to have very few smarts, for a task that has little cache locality (eg in-order packet processor), it also makes sense.
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70. It gets worse. There are the obvious security issues. You also start hurting your latency performance because it turns out naive partitioning resources between threads gives very low throughput boost. So you start adding logic (more FO4's, hurts frequency) for smart sharing.
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69. So obviously L1$, but also branch and every other predictor. SMT shrinks all those (by 2, or 4, even 8). WTF? Why give yourself less of the constrained resource so you can share the unconstrained resource? Just throw down more small cores!
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