On Saturday, 7 April 2018 at 23:48:36 UTC, kinke wrote:
On Saturday, 7 April 2018 at 20:33:13 UTC, Arun Chandrasekaran
As this appears to be benchmarking mostly the
std.math.exp(float) performance - some/many basic algos in
std.math, incl. exp(), are currently using the x87 FPU for all
3 floating-point types, although there are treacherous
float/double overloads, sacrificing performance in many cases.
https://github.com/dlang/phobos/pull/6272#issuecomment-373967109 (and the later numbers for current Intel and GCC compilers) for a performance comparison of some std.math algos incl. exp(). For LDC, the double/float versions of the few worked-on algos in that PR were sped-up by an overall factor of 3 [but only by 1.46 for exp(float)].
Interesting to see this, thanks! Did you also generate the bar
graph plot using D?