4 ms·
IBM claims 7x better per-core performance vs x86, but they're lying about that, of course.
by ptomato 5y ago
IBM claims 7x better per-core performance vs x86, but they're lying about that, of course.
- dralley 5y agoOverall, yes, I have difficulty believing that number. For a subset of common workloads, it might actually be true, though. IBM does some crazy stuff with hardware acceleration and specialized units that take load off of the actual CPUs.
- erk__ 5y agoI tried out hardware accelerated compression on a z15 and it just speeds it up a stupid amount, something like 20x times in decompression and 200 times with compression [0], which is not something that is done many other places yet. Though the PlayStation 5 does have it [1] [0]: https://github.com/rust-lang/libz-sys/pull/72#issuecomment-904020105 https://github.com/rust-lang/libz-sys/pull/72#issuecomment-9... [1]: http://cbloomrants.blogspot.com/2020/09/how-oodle-kraken-and-oodle-texture.html http://cbloomrants.blogspot.com/2020/09/how-oodle-kraken-and...