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Alastair Reid
Researcher at Google: formal specification/verification, security, computer architecture, ... Using Haskell, Z3, Verilog, Scala, Coq, ... Tweets are my own.
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Alastair Reid 2. velj
Odgovor korisniku/ci @tousifsays @johnregehr
Doesn’t Rosette just call out to Z3 if expression is symbolic?
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Alastair Reid 29. sij
Odgovor korisniku/ci @andrewreid1997
How do you break your toe from falling over? Was he doing a handstand? I’m now picturing the two of you doing some kind of circus act - you standing on the soles of his feet while he does a handstand. Please confirm.
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Alastair Reid 28. sij
Odgovor korisniku/ci @TartanLlama
You’ll love how Smalltalk (and TeX too IIRC) implement “if”. (Though it is not as awesome as the story of goto in bash further down this thread)
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Alastair Reid 24. sij
Odgovor korisniku/ci @TaliaRinger @sorawee_p
And thanks for signing it!
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Alastair Reid 23. sij
Odgovor korisniku/ci @cartazio @TaliaRinger
I didn’t like the way that the body of the slides distracted me from the jokes along the top...
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Alastair Reid 23. sij
Odgovor korisniku/ci @johnregehr
You going deer hunting?
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Alastair Reid 23. sij
Got the book. Now I need to get it signed...
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Alastair Reid 23. sij
Harsh political commentary in the cocktail menu
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Alastair Reid 19. sij
Odgovor korisniku/ci @porglezomp
If it is an instruction decoder, what I have used in the past is a recursive function that takes set of patterns and, for each bit position that is not an ‘x’ in any pattern, splits set into two parts. Then choose the bit position that gives the best balance and recurse.
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Alastair Reid 17. sij
Really looking forward to my first ever (also HASE, VMCAI, PriSC). No idea which people I know will be there (or which ones I should know but don’t) - ping me.
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Alastair Reid proslijedio/la je tweet
Erika 7. sij
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Alastair Reid 9. sij
Do ISAs have “copyright trap” instructions?
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Alastair Reid 9. sij
Definitely the funniest part of the architecture. Though I think VQRDMULH gets the prize for best scrabble hand.
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Alastair Reid 8. sij
Odgovor korisniku/ci @wattsamata
So is using underscore an example of typing inference?
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Alastair Reid 7. sij
Odgovor korisniku/ci @Kensan42
Seems to argue that because it is unlikely that an arm OS engineer would have got it wrong, we should assume that an arm architect got it wrong instead. Not sure I follow that logic.
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Alastair Reid 7. sij
Odgovor korisniku/ci @Kensan42
Isn’t this a software bug? Security relies on cooperation between the hardware and software and it sounds as though OSes were missing something? (Though this might indicate a documentation issue too?)
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Alastair Reid 5. sij
Found my old car licence plate
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Alastair Reid 4. sij
Odgovor korisniku/ci @satnam6502
Happy birthday Kavi!
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Alastair Reid 3. sij
Odgovor korisniku/ci @antonycourtney @IvanPerezKeera
If you count FPGAs, then I would go with CakeMLs Silver processor...
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Alastair Reid 3. sij
Odgovor korisniku/ci @WhatAintInside
Yeah, there is also Algebraic Specification Language - I did my masters on that... That is the other one you were thinking of, right :-)
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