Struct Sum

pub struct Sum<'a> { /* private fields */ }

Computes the sum of a sequence of numbers.

This is more efficient than slice.iter().sum() as it computes multiple partial sums in parallel using SIMD and then sums across the SIMD lanes at the end. This will produce very slightly different results because the additions are happening in a different order.

Implementations

impl<'a> Sum<'a>

pub fn new(input: &'a [f32]) -> Self

Trait Implementations

impl SimdOp for Sum<'_>

type Output = f32

The type of the operation’s result.

fn eval<I: Isa>(self, isa: I) -> Self::Output

Evaluate the operation using the given instruction set.

fn dispatch(self) -> Self::Output

where Self: Sized,

Dispatch this operation using the preferred ISA for the current platform.