A bit older reference but worth benchmarking https://stackoverflow.com/questions/11621606/faster-way-to-move-memory-page-than-mremap
On Tue, Feb 8, 2022 at 6:51 AM r r <[email protected]> wrote: > Hello, > 1. What is the fastest implementation of resizable array in Java? I know > only one, that copies whole array to larger, new allocated array (offheap > or noheap, do not care now). > 2. I have one idea to implement (at least on Linux) no-copy, resizable > array by using mremap syscall. Then, only internal page table structures > are copied - no copying of content array. It seems to be really no-copy > resizable array. However, I do not find a such implementation anywhere. It > mean, that I am wrong. Why? > > -- > You received this message because you are subscribed to the Google Groups > "mechanical-sympathy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/mechanical-sympathy/4b3f60ba-fc63-4998-bf6a-e8fd3fff5288n%40googlegroups.com > <https://groups.google.com/d/msgid/mechanical-sympathy/4b3f60ba-fc63-4998-bf6a-e8fd3fff5288n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- Studying for the Turing test -- You received this message because you are subscribed to the Google Groups "mechanical-sympathy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/mechanical-sympathy/CAC9RQtgy09n4SevgJj_xHxb4QzTnrqJ8U%2BjA3ugmLiz3t_BVsQ%40mail.gmail.com.
