Dan Gohman

@Sunfishcode

Mozillia Research. WebAssembly contributer. Lead developer of WebAssembly support in LLVM.

Joined August 2014

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  1. We all knew floating-point add and multiply weren't associative, but minimum and maximum?

  2. Making asm.js/WebAssembly compilation more parallel in Firefox

  3. I'm collecting real-world floating-point implementation bugs for WebAssembly's testsuite; Pentium fdiv to the latest Alive-FP bug reports.

  4. pow( ) is an abomination.

  5. I'm excited to be a bonus addition to the schedule, with a talk about WebAssembly!

  6. normal C hello world (printf, using syscalls, libc, malloc etc.) now works in wasm-emscripten

  7. Discuss progress, design, implementation, and uses of WebAssembly with and Luke Wagner at 2pm on 11/4.

  8. The nascent WebAssembly testsuite is now being published as a standalone repo ready for use as eg. a git submodule.

  9. SIMD.js has advanced to Stage 3 at TC39, indicating the API is stable and it wouldn't be a bad idea to ship in browsers.

  10. Experimental WebAssembly support for clang posted for review:

  11. There's a lot of confusion about double-precision rounding on x87, because there are two different ways, and neither works in all cases.

  12. "Neither [JVM edition] is fully satisfactory. To be honest, this is not to be blamed on the Java designers, but on the x87 FPU"

  13. "Explicitly signed and unsigned operations trap whenever the result cannot be represented in the result type."

  14. The first patch of the new WebAssembly backend for LLVM has landed!

  15. Dan Gohman followed , , and 3 others
    • @2pi_dk

      Mozilla engineer

    • @MikeJamesHolman

      Dev on the Chakra JavaScript compiler at Microsoft, working on asm.js, WebAssembly, and in general improving performance.

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