• Robert Griesemer's avatar
    math/big: improved karatsuba calibration code, better mul benchmark · cc1890cb
    Robert Griesemer authored
    An attempt to profit from CL 6176043 (fix to superpolinomial
    runtime of karatsuba multiplication) and determine a better
    karatsuba threshold. The result indicates that 32 is still
    a reasonable value. Left the threshold as is (== 32), but
    made some minor changes to the calibrate code which are
    worthwhile saving (use of existing benchmarking code for
    better results, better use of package time).
    
    R=golang-dev, rsc
    CC=golang-dev
    https://golang.org/cl/6260062
    cc1890cb
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