On Monday, 24 November 2025 at 14:37:22 UTC, Jabba Laci wrote:
I implemented [Advent of Code 2015, Day 6, Part
1](https://adventofcode.com/2015/day/6) in D. The code is here:
https://github.com/jabbalaci/AdventOfCode2015/tree/main/day06/d/part1 . It runs for 3 seconds. I found it a bit much, so
On Monday, 24 November 2025 at 14:37:22 UTC, Jabba Laci wrote:
Another question: for `process_line()`, I pass the dictioary by
reference, since I want to modify the dictionary inside this
procedure. Without `ref`, the original `d` in `main()` remained
empty. However, I've already written progra
On Tuesday, 25 November 2025 at 22:31:30 UTC, MrJay wrote:
On Tuesday, 25 November 2025 at 22:19:19 UTC, MrJay wrote:
when you are comparing two languages you have to be careful to
not accidentally add accidental bottlenecks, where you are not
comparing the bottle neck rather than the languages
On Tuesday, 25 November 2025 at 22:31:30 UTC, MrJay wrote:
On Tuesday, 25 November 2025 at 22:19:19 UTC, MrJay wrote:
[...]
really didnt like how I explained this to restate it
profiling is quite difficult, and must be done with care
because its very easy to profile a bottleneck rather than
On Tuesday, 25 November 2025 at 22:19:19 UTC, MrJay wrote:
when you are comparing two languages you have to be careful to
not accidentally add accidental bottlenecks, where you are not
comparing the bottle neck rather than the languages
really didnt like how I explained this to restate it
pro
On Monday, 24 November 2025 at 14:37:22 UTC, Jabba Laci wrote:
I implemented [Advent of Code 2015, Day 6, Part
1](https://adventofcode.com/2015/day/6) in D. The code is here:
https://github.com/jabbalaci/AdventOfCode2015/tree/main/day06/d/part1 . It runs for 3 seconds. I found it a bit much, so
On Monday, 24 November 2025 at 16:48:49 UTC, Jabba Laci wrote:
On Monday, 24 November 2025 at 16:16:07 UTC, monkyyy wrote:
On Monday, 24 November 2025 at 15:46:30 UTC, Kapendev wrote:
On Monday, 24 November 2025 at 14:37:22 UTC, Jabba Laci wrote:
#!/usr/bin/env rdmd
Compile it with `dub build
On Monday, 24 November 2025 at 14:37:22 UTC, Jabba Laci wrote:
I implemented [Advent of Code 2015, Day 6, Part
1](https://adventofcode.com/2015/day/6) in D. The code is here:
https://github.com/jabbalaci/AdventOfCode2015/tree/main/day06/d/part1 . It runs for 3 seconds. I found it a bit much, so
On Monday, 24 November 2025 at 16:16:07 UTC, monkyyy wrote:
On Monday, 24 November 2025 at 15:46:30 UTC, Kapendev wrote:
On Monday, 24 November 2025 at 14:37:22 UTC, Jabba Laci wrote:
#!/usr/bin/env rdmd
Compile it with `dub build --compiler=ldc2 --build=release`:
"we taught him wrong as a
On Monday, 24 November 2025 at 16:16:07 UTC, monkyyy wrote:
On Monday, 24 November 2025 at 15:46:30 UTC, Kapendev wrote:
On Monday, 24 November 2025 at 14:37:22 UTC, Jabba Laci wrote:
#!/usr/bin/env rdmd
Compile it with `dub build --compiler=ldc2 --build=release`:
"we taught him wrong as a
On Monday, 24 November 2025 at 15:46:30 UTC, Kapendev wrote:
On Monday, 24 November 2025 at 14:37:22 UTC, Jabba Laci wrote:
#!/usr/bin/env rdmd
Compile it with `dub build --compiler=ldc2 --build=release`:
"we taught him wrong as a joke"; he's already doing the better
thing of #!, bad kap >:
On Monday, 24 November 2025 at 14:37:22 UTC, Jabba Laci wrote:
I implemented [Advent of Code 2015, Day 6, Part
1](https://adventofcode.com/2015/day/6) in D. The code is here:
https://github.com/jabbalaci/AdventOfCode2015/tree/main/day06/d/part1 . It runs for 3 seconds. I found it a bit much, so
On Monday, 24 November 2025 at 15:27:33 UTC, Jabba Laci wrote:
On Monday, 24 November 2025 at 15:07:19 UTC, Serg Gini wrote:
Do you use LDC with -O3?
With this setting, it's 2 seconds instead of 3. Still very
slow. In this case a matrix would have been a better choice
(I'll rewrite with that
On Monday, 24 November 2025 at 14:37:22 UTC, Jabba Laci wrote:
I implemented [Advent of Code 2015, Day 6, Part
1](https://adventofcode.com/2015/day/6) in D. The code is here:
https://github.com/jabbalaci/AdventOfCode2015/tree/main/day06/d/part1 . It runs for 3 seconds. I found it a bit much, so
On Monday, 24 November 2025 at 15:07:19 UTC, Serg Gini wrote:
Do you use LDC with -O3?
With this setting, it's 2 seconds instead of 3. Still very slow.
In this case a matrix would have been a better choice (I'll
rewrite with that), but I find it strange that the dictionary
solution is so slo
On Monday, 24 November 2025 at 15:07:19 UTC, Serg Gini wrote:
On Monday, 24 November 2025 at 14:37:22 UTC, Jabba Laci wrote:
Maybe its hashing is too slow? How could it be sped up?
Do you use LDC with -O3?
look at the types, that isnt going to matter
On Monday, 24 November 2025 at 14:37:22 UTC, Jabba Laci wrote:
Maybe its hashing is too slow? How could it be sped up?
Do you use LDC with -O3?
On Monday, 24 November 2025 at 14:37:22 UTC, Jabba Laci wrote:
To my surprise, the Python program also ran for 3 seconds. I
expected that the D program should be much faster.
What's the rule here?
`int[Pair]`
aa's are fundmental and useful; but they are a cache miss in
every language
Becau
I implemented [Advent of Code 2015, Day 6, Part
1](https://adventofcode.com/2015/day/6) in D. The code is here:
https://github.com/jabbalaci/AdventOfCode2015/tree/main/day06/d/part1 . It runs for 3 seconds. I found it a bit much, so I also wrote it in Python. To my surprise, the Python program al
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