Multiexp Halo2/sppark comparison

Cargo.toml

[package]
name = "halo2_sppark_msm"
version = "0.1.0"
edition = "2021"

[dependencies]
halo2_proofs = "0.2.0"
pasta-msm = "0.1.3"

main.rs

// Put this file into `src/main.rs`
use halo2_proofs::{
    arithmetic,
    pasta::{EqAffine, Fp},
    poly::commitment::Params,
};

fn main() {
    let params: Params<EqAffine> = Params::new(1);
    let g = params.get_g();

    let coeffs = [
        Fp::from_raw([
            0x28bf6d7e44fc29c3,
            0x055b530532763cbb,
            0xafbf625308db140b,
            0x49158785832b6c31,
        ]),
        Fp::from_raw([
            0x11c8228ce7911bf4,
            0x27d3fabfce624f25,
            0x925cda9cdf3364dd,
            0x23c54e00b15da6fd,
        ]),
    ];

    let point_sppark = pasta_msm::vesta(&g, &coeffs);
    println!("vmx: sppark: {:?}", point_sppark);
    let point_halo2 = arithmetic::small_multiexp(&coeffs, &g);
    println!("vmx: halo2:  {:?}", point_halo2);
}