Re: range operator

[Per Hedbor () @ Pike (-) developers forum]

> By the way, what CPU did you test on?

A 64-bit dual-core core-2 CPU with 3Mb cache (per CPU).

So it's a fairly modern cpu, and the gcc is compiling for 64-bit
targets.

Simply reading the whole string one long at a time takes 1.2 seconds
(about 6 times faster).

So there are optimization possibilites. But pikes default search is
not really one of them.

memmem is just as fast as my simple loop, but shorter. :-)

    for( i=0,j=0; i<hlen; i++ )
    {
        if( __builtin_expect(haystack[i] == needle[j], 0) ) {
            j++;
            if( j == nlen ) break;
        }
        else
            j = 0;
    }