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drwells

HN member
Joined
Sat, May 02, 2015, 4:15 PM UTC
HN karma
16
Public activity
7 items

About drwells

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Recent public activity

  1. comment
    Comment #17396938

    At least one C++ library that I rely on (that produces an incredible number of template instantiations in the object files) ultimately results in a 2 GB shared object file for the …

  2. comment
    Comment #17177875

    I would be interested to hear if this is a workflow that suits people that write mathematics papers or other complicated TeX documents. My TeX code is very macro heavy (I know some…

  3. comment
    Comment #16955195

    You are absolutely right re: robustness (and that code falls back to the iterative method), but IIRC the Newton scheme was at least one order of magnitude slower than the formula. …

  4. comment
    Comment #16949385

    Rounding issues in the quadratic formula have bitten me several times: in particular, the inverse of a 2D bilinear mapping requires solving a quadratic equation which (if things ar…

  5. comment
    Comment #16257634

    The proposed C++ tricks are useful and I think that its reasonably well-known (at least to people who do numerics) that a C++ compiler, with the right flags, can beautifully unroll…

  6. comment
    Comment #9477867

    I have not done a census of the various libraries around, but all of the free finite element libraries in common use (deal.II, libmesh, and FEnICs come to mind first) are written i…

  7. comment
    Comment #9477561

    My biggest criticism of this work is that it does not consider C++. Most of the big HPC projects today are written in C++, not C, and to the best of my knowledge this transition ha…