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cmuratori's profile
Casey Muratori
Casey Muratori
Casey Muratori
@cmuratori

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Casey Muratori

@cmuratori

I'm worried that the baby thinks people can't change.

Seattle
caseymuratori.com
Joined March 2009

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    1. Daniel Imms‏ @Tyriar Jul 3
      Replying to @Tyriar @cmuratori and

      Realistically though the 10x from fastpipe wouldn't be able to be entirely eliminated as I understand it's a fairly complex problem. Additionally it's critical to backwards compatibility of Windows console apps so it has to do things sometimes like rerender the whole screen.

      2 replies 0 retweets 0 likes
    2. Casey Muratori‏ @cmuratori Jul 3
      Replying to @Tyriar @Jonathan_Blow @code

      But those aren't really very justifications in my opinion. Just put a button in your config that is "no backwards compat", and if you check that, then your terminal runs really fast :)

      2 replies 0 retweets 2 likes
    3. Casey Muratori‏ @cmuratori Jul 3
      Replying to @cmuratori @Tyriar and

      But more specifically, I'm pretty sure even back-compat parsing could probably be done an order of magnitude faster than it's being done now. I can't say for sure but I strongly suspect that code is not high-perf code, if one were to go look.

      2 replies 0 retweets 3 likes
    4. Chester Liu‏ @ChesterLiu2 Jul 3
      Replying to @cmuratori @Tyriar and

      Just want to say, the ConPTY slowness has been largely improved in the last several years. But sadly that’s only available in the latest Windows version (insider preview). The Windows Terminal slowness is a thing, and people are working on it.

      1 reply 0 retweets 3 likes
    5. Daniel Imms‏ @Tyriar Jul 3
      Replying to @ChesterLiu2 @cmuratori and

      Good to hear, but I'll believe it when I see it 😉 @code's terminal unfortunately slows to a crawl only on Windows

      4 replies 0 retweets 0 likes
    6. nick12‏ @nikc_12 Jul 3
      Replying to @Tyriar @ChesterLiu2 and

      I wonder if it'd make sense to ship the latest conhost/OpenConsole from the WT repo with code? Not sure if there are some stability issues with doing that

      2 replies 0 retweets 0 likes
    7. Daniel Imms‏ @Tyriar Jul 3
      Replying to @nikc_12 @ChesterLiu2 and

      I'm sure it's possible, but that's instability I wouldn't really want to take on plus that would open us to getting our build broken by another team.

      2 replies 0 retweets 2 likes
    8. Chester Liu‏ @ChesterLiu2 Jul 3
      Replying to @Tyriar @cmuratori and

      What @Tyriar trying to say in previous comment, i think, is that refterm lacks the entire layer of handling legacy Win32 console apps, which includes actually a large portion of apps, including vim and far. Both conhost and WT does not have the luxury.

      1 reply 0 retweets 1 like
    9. Casey Muratori‏ @cmuratori Jul 3
      Replying to @ChesterLiu2 @Tyriar and

      That is false, as I demonstrated in the actual demo. The non-fast-pipe version, which was 10x faster than Windows terminal, _was going through conhost_.

      1 reply 0 retweets 4 likes
    10. Casey Muratori‏ @cmuratori Jul 3
      Replying to @cmuratori @ChesterLiu2 and

      And separately, this is what I mean when I say it gets tiresome dealing with all of these nonsense excuses. People just say things on Twitter even though there was literally a demo _they could watch_ proving the thing that they said was false.

      1 reply 0 retweets 3 likes
      Casey Muratori‏ @cmuratori Jul 3
      Replying to @cmuratori @ChesterLiu2 and

      So just to recap, if somehow watching the video was too difficult: _with_ backwards compat conhost, refterm is 10x faster than Windows terminal. If you _bypass_ that as a speed test, you get _another_ 10x faster, for a total of 100x. I explained this as clearly as I could.

      10:27 PM - 3 Jul 2021
      • 4 Likes
      • Ivan Braidi Tequehead Dmitrii
      1 reply 0 retweets 4 likes
        1. New conversation
        2. Casey Muratori‏ @cmuratori Jul 3
          Replying to @cmuratori @ChesterLiu2 and

          That is why I took great pains throughout the video to show the performance with _both_ fast_pipe.h and without, so you could see where each slowdown was.

          1 reply 0 retweets 2 likes
        3. Daniel Imms‏ @Tyriar Jul 3
          Replying to @cmuratori @ChesterLiu2 and

          Sorry for all this. Reflecting on it a bit, it was a misunderstanding on my part, but I was truly just trying to be helpful. Here's where the confusion happened: - I hadn't heard the term "conio" before and messed it with stdio in some cases

          2 replies 0 retweets 0 likes
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