On 1/26/22 04:06, Johan wrote:
> The stdlib makes a huge difference in performance.
> Ali's program uses string manipulation,
Yes, on the surface, I thought my inner loop had just / and % but of
course there is that formattedWrite. I will change the code to use
sprintf into a static buffer (instead of the current Appender).
> GC
That shouldn't affect it because there are just about 8 allocations to
be shared in the Appender.
> , ... much more than to()
Not in the 2 million loop.
> and
> map().
Only in the initialization.
> Quick test on my M1 macbook:
> LDC1.27, arm64 binary (native): ~0.83s
> LDC1.21, x86_64 binary (rosetta, not native to CPU instruction set):
~0.75s
I think std.format gained abilities over the years. I will report back.
Ali
