An Inline::C implementation runs about three times faster than the string interpolation version for integer comparison, and about 2.5 times faster for string comparisons.

use v5.16;
use strict;
use warnings;
use Inline 'C';

sub arrays_same_pp {
    "@{$_[0]}" eq "@{$_[1]}";
}

our @x = map { int(rand() * 1_000_000) } 1..10;
our @y = @x;

use Benchmark 'cmpthese';

cmpthese -1, {
    PP  => '::arrays_same_pp(\@::x, \@::y)',
    XS  => '::arrays_same_i(\@::x, \@::y)',
};

__END__
__C__

int arrays_same_i (SV* x, SV* y) {
    AV* arrx = (AV*)SvRV(x);
    AV* arry = (AV*)SvRV(y);
    
    if (arrx == arry) {
        return 2;
    }
    
    int len = av_len(arrx);
    if (len != av_len(arry)) {
        return 0;
    }
    
    int i;
    for (i=0; i<=len; i++) {
        SV** elemx = av_fetch(arrx, i, 0);
        SV** elemy = av_fetch(arry, i, 0);
        int ix = SvIV(*elemx);
        int iy = SvIV(*elemy);
        if (ix != iy) {
            return 0;
        }
    }
    
    return 1;
}

int arrays_same_s (SV* x, SV* y) {
    AV* arrx = (AV*)SvRV(x);
    AV* arry = (AV*)SvRV(y);
    
    if (arrx == arry) {
        return 2;
    }
    
    int len = av_len(arrx);
    if (len != av_len(arry)) {
        return 0;
    }
    
    int i;
    for (i=0; i<=len; i++) {
        SV** elemx = av_fetch(arrx, i, 0);
        SV** elemy = av_fetch(arry, i, 0);
        STRLEN dummy;
        char* strx = SvPV(*elemx, dummy);
        char* stry = SvPV(*elemy, dummy);
        if (strcmp(strx, stry) != 0) {
            return 0;
        }
    }
    
    return 1;
}
[download]

I might clean this up and release to CPAN if there's nothing similar already there.

---

---

Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!

Titles consisting of a single word are discouraged, and in most cases are disallowed outright.

Read Where should I post X? if you're not absolutely sure you're posting in the right place.

Please read these before you post! —

• How do I compose an effective node title?
• How do I post a question effectively?
• Markup in the Monastery

Posts may use any of the Perl Monks Approved HTML tags:

a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr

You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)

	For:		Use:
	&		&
	<		&lt;
	>		&gt;
	[		&#91;
	]		&#93;

Link using PerlMonks shortcuts! What shortcuts can I use for linking?

See Writeup Formatting Tips and other pages linked from there for more info.