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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. Daniel Stenberg‏Verified account @bagder 29 Jun 2017
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      Replying to @bradfitz @willie

      yes, I'm also very interested in as many and deep details as possible!

      1 reply 0 retweets 2 likes
    2. Brad Fitzpatrick‏Verified account @bradfitz 29 Jun 2017
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      Replying to @bagder @willie

      Blog post or mail a mailing list and link thread here?

      1 reply 0 retweets 0 likes
    3. Willie Abrams‏ @willie 29 Jun 2017
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      Replying to @bradfitz @bagder

      Sounds like a good idea. tl;dr: libcurl is great, but OpenSSL threading sucks.

      1 reply 0 retweets 3 likes
    4. Brad Fitzpatrick‏Verified account @bradfitz 29 Jun 2017
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      Replying to @willie @bagder

      Oh yeah. I've been scarred by that from a past life. I feel your pain.

      1 reply 0 retweets 1 like
    5. Jimmy Zelinskie‏ @jimmyzelinskie 29 Jun 2017
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      Replying to @bradfitz @willie @bagder

      Can you do this with zero copy?

      2 replies 0 retweets 0 likes
    6. Willie Abrams‏ @willie 29 Jun 2017
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      Replying to @jimmyzelinskie @bradfitz @bagder

      Haven’t gotten that far yet on performance tuning. Just some basic stuff, getting it working. It’s my first mix of C & Go.

      1 reply 0 retweets 0 likes
    7. Hector Martin‏ @marcan42 30 Jun 2017
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      Replying to @willie @jimmyzelinskie and

      Good luck. In my experience C interop is one of Go's weakest points (and the main reason why I don't use it). Dragons lurk under the hood.

      1 reply 0 retweets 0 likes
    8. Willie Abrams‏ @willie 30 Jun 2017
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      Replying to @marcan42 @jimmyzelinskie and

      Anything in particular I need to be aware of? My tests have been intentionally simple so far.

      1 reply 0 retweets 0 likes
    9. Hector Martin‏ @marcan42 30 Jun 2017
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      Replying to @willie @jimmyzelinskie and

      Be very careful with memory management. Last I used it, the requirements/guarantees wrt Go-owned memory were unclear/poorly documented.

      2 replies 0 retweets 1 like
    10. Brad Fitzpatrick‏Verified account @bradfitz 30 Jun 2017
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      Replying to @marcan42 @willie and

      The requirements were defined and documented a few releases back. There's also a runtime check for the rules. No as bad anymore.

      2 replies 0 retweets 0 likes
      Hector Martin‏ @marcan42 30 Jun 2017
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      Replying to @bradfitz @willie and

      Is there some kind of pinning mechanism for Go memory to avoid having to make copies?

      9:29 AM - 30 Jun 2017
      1 reply 0 retweets 0 likes
        1. New conversation
        1. Brad Fitzpatrick‏Verified account @bradfitz 30 Jun 2017
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          Replying to @marcan42 @willie and

          You can just share things directly, no copies required, in most cases. See https://golang.org/cmd/cgo/#hdr-Passing_pointers …

          2 replies 0 retweets 0 likes
        2. Willie Abrams‏ @willie 30 Jun 2017
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          Replying to @bradfitz @marcan42 and

          LOL. Time from question to answer: 3 seconds.

          0 replies 0 retweets 0 likes
          3. End of conversation

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