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Re:Rust's integer intrinsics are impressive by the8472 on Saturday June 10, 2017 @11:09AM (#14527605)
> since that one is operating on only 32 bits at a time.

https://doc.rust-lang.org/std/primitive.u64.html#method.coun...

https://doc.rust-lang.org/std/primitive.u128.html#method.cou...

Of course to benefit from the SSE optimizations you would still have to call it in a loop and the optimizer would have to recognize that and replace it with a vectorized approach.

Re:Rust's integer intrinsics are impressive by jackmott on Saturday June 10, 2017 @12:30PM (#14527917)
you can do the simd intrinsics explicitly as well