I agree about Rust gaining ground but using the argument that it got 10% faster due to Rust is not really that useful.
If they rewrote it in C++ again, they would have most likely got the same result because they got a chance to fix a design that might not have been most optimal.
If they rewrote it in C++ again, they would have most likely got the same result because they got a chance to fix a design that might not have been most optimal.