Re: [eigen] SSE square root

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> hm, sorry that's not entirely true. I increased the number of samples,
> and for the fastest version:
> 1 iter = 42% of failures with  max error = 2.78308e-07
> 2 iter = 36% of failures with  max error = 2.15188e-07
> 3 iter = 34% of failures with  max error = 1.87297e-07

Failure? Do you mean that the error blows up for these values? But the
max error is pretty low. At any rate, the increased precision is too
low to iterate again compared to the perf hit, IMHO.

Rohit Garg

Senior Undergraduate
Department of Physics
Indian Institute of Technology

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