Extra validation and comments on top of: Rewrite mul/sqr for 32bit/64bit #91

pull sipa wants to merge 3 commits into bitcoin-core:master from sipa:opt-mul-sqr changing 2 files +770 −334
  1. sipa commented at 5:53 pm on November 3, 2014: contributor
    Builds further on #73.
  2. Rewrite mul/sqr for 32bit/64bit
    - interleave calculation of the lower and upper partial product ranges, and reduction
    - less registers needed, more opportunities for parallel ops
    - "bench" performance: +3.5% for 64bit, +7.5% for 32bit (as tested on a 64-bit machine)
    5fcd6dd39c
  3. Add range checks in secp256k1_fe_mul_inner a746cc55a6
  4. Annotate inner_{mul,sqr} with relations between inputs and outputs. 0220d2cfb9
  5. sipa commented at 5:54 pm on November 3, 2014: contributor
    Resubmitting because Travis apparently missed the previous one.
  6. sipa commented at 6:51 am on November 4, 2014: contributor
    Closing as it’s based on outdated code.
  7. sipa closed this on Nov 4, 2014


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