odc·9 tháng trước·discussIn Perl -> is the dereference operator, similar to C.So when you see $a->[2]{"bar"} then $a is an array reference where each item is a hashmap. But with $a->[2]->{"bar"} then $a is an array reference where each item is a reference to a hashmap.
odc·10 tháng trước·discussAnd that's why it is best to avoid GPU-acceleration unless you truly need it.GPU drivers have always been full of bugs and will always be, since modern GPUs are ridiculously complex and designed for speed rather than reliability.
So when you see
then $a is an array reference where each item is a hashmap. But with
then $a is an array reference where each item is a reference to a hashmap.