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arnoldjm

HN member
Joined
Mon, Sep 13, 2021, 4:29 PM UTC
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Public activity
7 items

About arnoldjm

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Recent public activity

  1. comment
    Comment #47377085

    Take a look at the "rsqrt_rcp" section of reference [6] in the accuracy report by Gladman et al referenced above. I did that work 10 years ago because some people at CERN had repor…

  2. comment
    Comment #37287856

    I recall from 1965 getting an error message message something like this from the Fortran complier on a Univac 1107 system after receiving too many error messages: "Do not attempt t…

  3. comment
    Comment #36801035

    From news item: "machine operation unlikely to resume for at least several weeks" Voir en français: https://home.cern/fr/news/news/accelerators/accelerator-repo...

  4. story
  5. comment
    Comment #35669925

    I looked into this issue with rsqrt (and with rcp as well) between Intel and AMD processors in connection with CERN some years ago (2016). An unpublished report can be found at [1]…

  6. comment
    Comment #35444345

    From their FAQ "Do you deliver overseas?": "We are delighted to say we now offer worldwide shipping." But it ain't cheap.

  7. comment
    Comment #28513534

    I investigated the differences between the rsqrt and rcp instructions on Intel and AMD platforms back in 2016, and drafted a note with my findings. See the file rsqrt_rcp/docs/rsqr…