Re: 200-600x slower Dlang performance with nested foreach loop

[mw via Digitalmars-d-learn]

On Tuesday, 26 January 2021 at 17:40:36 UTC, methonash wrote:

foreach( i, ref pStr; sortedArr )
{
    foreach( j, ref cStr; sortedArr[ i + 1 .. $ ] )
    {
        if( indexOf( pStr, cStr ) > -1 )
        {
            // ...
        }
    }
}

Before adding the code excerpt above, the Dlang program was taking ~1 second on an input file containing approx. 64,000 strings.

What's the typical length of your strings?