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oe1cxw's profile
Claire Xen 🏳️‍⚧️🏳️‍🌈🧙🏻‍♀️ BLM 🏴🚩
Claire Xen 🏳️‍⚧️🏳️‍🌈🧙🏻‍♀️ BLM 🏴🚩
Claire Xen  🏳️‍⚧️ 🏳️‍🌈 🧙🏻‍♀️ BLM  🏴 🚩
@oe1cxw

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Claire Xen  🏳️‍⚧️ 🏳️‍🌈 🧙🏻‍♀️ BLM  🏴 🚩

@oe1cxw

Neurodiverse trans geek girl. Yosys, RISC-V, SAT/SMT.

She/her/hers
clairexen.net
Joined September 2014

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    1. Claire Xen  🏳️‍⚧️ 🏳️‍🌈 🧙🏻‍♀️ BLM  🏴 🚩‏ @oe1cxw 23 Nov 2017
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      Claire Xen  🏳️‍⚧️ 🏳️‍🌈 🧙🏻‍♀️ BLM  🏴 🚩 Retweeted David Burge

      Asynchronous resets are bad design practice. Reset your flops synchronously or not at all.https://twitter.com/iowahawkblog/status/932309842123022336 …

      Claire Xen  🏳️‍⚧️ 🏳️‍🌈 🧙🏻‍♀️ BLM  🏴 🚩 added,

      David Burge @iowahawkblog
      Easier twitter challenge: name the most trivial hill on which you are willing to die
      Show this thread
      16 replies 14 retweets 38 likes
      Show this thread
    2. Aliaksei Chapyzhenka‏ @wavedrom 23 Nov 2017
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      Replying to @oe1cxw

      Sync reset tree need to be synthesized at Fmax of main clock. Tree has high fan-out and spans big distances. At high Fmax that means over-buffering + over-pipelining. Means big area / power overhead.

      1 reply 0 retweets 1 like
    3. Claire Xen  🏳️‍⚧️ 🏳️‍🌈 🧙🏻‍♀️ BLM  🏴 🚩‏ @oe1cxw 23 Nov 2017
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      Replying to @wavedrom

      All that is also true for async clock tree because you have to release synchronously. If you only reset with slow clock (as you described in other tweet) then your sync reset tree does not need to be synthesized for Fmax. This is a strawman. Has nothing to do with sync vs async.

      1 reply 0 retweets 0 likes
    4. Aliaksei Chapyzhenka‏ @wavedrom 23 Nov 2017
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      Replying to @oe1cxw

      Async reset tree = separate clock domain, and yes it is synthesized for another (slow) clock. Sync reset tree is part of main clock domain, so has to be synthesized together, for the fastest clock that circuit targeting.

      2 replies 0 retweets 0 likes
    5. Claire Xen  🏳️‍⚧️ 🏳️‍🌈 🧙🏻‍♀️ BLM  🏴 🚩‏ @oe1cxw 23 Nov 2017
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      Replying to @wavedrom

      You can specify different timings for different source-sink pairs for STA in every decent STA tool.

      1 reply 0 retweets 0 likes
    6. Aliaksei Chapyzhenka‏ @wavedrom 23 Nov 2017
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      Replying to @oe1cxw

      Even more Blood, sweat and tears

      1 reply 0 retweets 1 like
    7. Claire Xen  🏳️‍⚧️ 🏳️‍🌈 🧙🏻‍♀️ BLM  🏴 🚩‏ @oe1cxw 23 Nov 2017
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      Replying to @wavedrom

      It's late and I'm going to bed now.. Not sure what you are trying to accomplish here tbh. I stated from the get go that I'm willing to die on that hill. ;) Good night my friend.

      2 replies 0 retweets 1 like
    8. Astrid Gruber‏ @astridvienna 25 Nov 2017
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      Replying to @oe1cxw @wavedrom

      can somebody please decode the hill thing for me?

      1 reply 0 retweets 1 like
      Claire Xen  🏳️‍⚧️ 🏳️‍🌈 🧙🏻‍♀️ BLM  🏴 🚩‏ @oe1cxw 25 Nov 2017
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      Replying to @astridvienna @wavedrom

      "To explain, the "hill you die on" means a belief you're willing to fight for, no matter the cost to yourself." http://mashable.com/2017/11/23/die-hill-twitter-game/ …

      8:39 PM - 25 Nov 2017
      0 replies 0 retweets 0 likes

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