Function HPGO::parallelism::gpipe::gpipe_pipeline_speedup

pub fn gpipe_pipeline_speedup(
    d: &Devices, 
    m: &Model, 
    rp: u32, 
    pipeline_time: f64, 
    p: Vec<(u32, u32, u32, BTreeSet<u32>)>
) -> f64

Calculate the speedup for the partition, assuming GPipe microbatch arrangement