On Thursday, 21 January 2016 at 10:40:39 UTC, data pulverizer
wrote:
On Thursday, 21 January 2016 at 10:20:12 UTC, Rikki Cattermole
wrote:
Okay without registering not gonna get that data.
So usual things to think about, did you turn on release mode?
What about inlining?
Lastly how about disabling the GC?
import core.memory : GC;
GC.disable();
dmd -release -inline code.d
That helped a lot, I disable GC and inlined as you suggested
and the time is now:
Time (s): 8.754
However, with R's data.table package gives us:
system.time(x <- fread("Acquisition_2009Q2.txt", sep = "|",
colClasses = rep("character", 22)))
user system elapsed
0.852 0.021 0.872
I should probably have begun with this timing. Its not my
intention to turn this into a speed-only competition, however
the ingest of files and speed of calculation is very important
to me.
I should probably add compiler version info:
~$ dmd --version
DMD64 D Compiler v2.069.2
Copyright (c) 1999-2015 by Digital Mars written by Walter Bright
Running Ubuntu 14.04 LTS
