Here's my first non-hello-world D program, which is a direct
translation from the Perl version. I was trying to get a feel
about D's performance:
---BEGIN asciitable.d---
import std.string;
import std.stdio;
string fmttable(ref string[][] table) {
string res = "";
// column widths
On Wednesday, 11 November 2015 at 14:26:32 UTC, Andrea Fontana
wrote:
Did you try rdmd -O -noboundscheck -release yourscript.d ?
I just did. It improves speed from 17.127s to 14.831s. Nice, but
nowhere near gdc/ldc level.
You should try using appender!string rather than concatenate
(http://
On Wednesday, 11 November 2015 at 14:20:51 UTC, Rikki Cattermole
wrote:
I turned it into mostly using large allocations, instead of
small ones.
Although I'd recommend using Appender instead of my custom
functions for this.
Oh and for me, I got it at 2 secs, 513 ms, 397 μs, and 5
hnsecs. Unopt
On Thursday, 12 November 2015 at 12:49:55 UTC, Daniel Kozak wrote:
dmd -O -release -inline -boundscheck=off asciitable.d
real0m1.463s
user0m1.453s
sys 0m0.003s
ldc2 -singleobj -release -O3 -boundscheck=off asciitable.d
real0m0.945s
user0m0.940s
sys 0m0.000s
gdc -O3 -
