Preliminary benchmark shows 70% speedup for SBCL. (0.7s vs 1.2s).
The improvement was smaller that I originally thought. I also thought it is a burden for us to maintain the (double)float computation algorithm. - Qian On 4/16/21 6:35 AM, Waldek Hebisch wrote:
On Thu, Apr 15, 2021 at 05:43:03PM +0800, Qian Yun wrote:I found this from github issue #55. In ComplexCategory, there is if R is DoubleFloat then stoc ==> s_to_c$Lisp ctos ==> c_to_s$Lisp exp x == ctos EXP(stoc x)$Lisp log x == ctos LOG(stoc x)$Lisp ...... etc I think "sqrt" should also be optimized by using Lisp call here.Maybe. AFAICS main point was that we need some implementation and this was the easiest one. OTOH in some other cases we use our own implementation to avoid bugs in some Lisp.
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