Benchmarking mir.ndslice + lubeck against numpy and Julia
jond at noreply.com
Sat Jan 11 23:20:22 UTC 2020
On Saturday, 11 January 2020 at 22:50:46 UTC, p.shkadzko wrote:
> On Saturday, 11 January 2020 at 22:21:18 UTC, user1234 wrote:
>> On Saturday, 11 January 2020 at 21:54:13 UTC, p.shkadzko wrote:
>>> Today I decided to write a couple of benchmarks to compare D
>>> mir with lubeck against Python numpy, then I also added Julia
>>> snippets. The results appeared to be quite interesting.
>> Can you specify the command line used for D ?
>> For now it's not clear if use LDC, GDC or DMD and the options
>> used (assertions compiled or not ?). DMD is not a good choice
>> for benchmarking.
> All D code was compiled with ldc2
> dub build --compiler=ldc2 --single matrix_ops.d
> I also tried using $DFLAGS="--O3" but that didn't produce
> better results.
A useful set of flags to try:
-O -release -flto=thin
The '-flto' option turns on LTO. Doesn't always help, but
sometimes makes a significant difference, especially when library
code is used in tight loops. Another option is to disable bounds
checking in @safe code (--boundscheck=off).
More information about the Digitalmars-d