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marcan42's profile
Hector Martin
Hector Martin
Hector Martin
@marcan42

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Hector Martin

@marcan42

If it ain't broke, I'll fix it! I'm porting Linux to Apple Silicon Macs at @AsahiLinux. http://patreon.com/marcan  | http://github.com/sponsors/marcan 

Tokyo, Japan
marcan.st
Joined May 2009

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    1. Pierre Bourdon‏ @delroth_ 5 Feb 2019
      • Report Tweet
      • Report NetzDG Violation
      Replying to @BahamutLagoon25 @byuu_san and

      It feels like we've had very few issues with Qt on Windows when Dolphin was ported from WX to Qt? But that might just be because WX was so buggy in comparison...

      0 replies 0 retweets 1 like
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    3. qwertymodo‏ @qwertymodo 5 Feb 2019
      • Report Tweet
      • Report NetzDG Violation
      Replying to @BahamutLagoon25 @byuu_san and

      That directory loading speed issue is still awful in bsnes+ on Windows. It's painful.

      0 replies 0 retweets 0 likes
    4. This Tweet is unavailable.
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    6. Hector Martin‏ @marcan42 5 Feb 2019
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      Replying to @BahamutLagoon25 @byuu_san and

      TBF, we could also argue that Windows should fix its terrible filesystem performance. # time ls -al | wc -l 57923 ls --color=auto -al 0.304 user 0.131 system 16% cpu (2.717 wasted time).

      1 reply 0 retweets 0 likes
    7. Hector Martin‏ @marcan42 5 Feb 2019
      • Report Tweet
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      Replying to @marcan42 @byuu_san and

      That's a directory full of symlinks, so that's ~58000 lstat() syscalls *and* ~58000 readlink() syscalls in 2.7 seconds. 0.4 seconds the second time with the caches primed. And this is on HDDs, not SSDs. And it's on CephFS implemented in several layers of kernel and userspace!

      1 reply 0 retweets 1 like
    8. qwertymodo‏ @qwertymodo 5 Feb 2019
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      Replying to @marcan42 @byuu_san and

      I mean, that's seriously impressive and all...pic.twitter.com/S1IQzqZZGd

      1 reply 0 retweets 0 likes
    9. Hector Martin‏ @marcan42 5 Feb 2019
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      Replying to @qwertymodo @byuu_san and

      Why what? Why the 58000-file directory? Why CephFS? :p

      1 reply 0 retweets 0 likes
    10. qwertymodo‏ @qwertymodo 5 Feb 2019
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      Replying to @marcan42 @byuu_san and

      Mostly the symlinks.

      1 reply 0 retweets 0 likes
      Hector Martin‏ @marcan42 5 Feb 2019
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      Replying to @qwertymodo @byuu_san and

      Long story, but basically I'm archiving a certain game's online CDN. Although the CDN storage is hashed/sharded 256 ways, I generate a view per version using the "real" game filenames as symlinks for ease of access, and that is basically flat.

      8:10 PM - 5 Feb 2019
      • 1 Like
      • Just Zis Guy, You Know?
      0 replies 0 retweets 1 like

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