Most of the results published show very little positive or negative speed in decompression, where is all this -1300% coming from? edit: Sorry, my fault that w

Most of the results published show very little positive or negative speed in decompression, where is all this -1300% coming from? edit: Sorry, my fault that was decompression RAM I was thinking about, not speed, although I was influenced by my test that without measuring both xz and zstd seemed instant.