MakePath64 very slow

[FishOrBear]

        const { MakePath64, Paths64, FillRule, Union64 } = MainModule

        for (let i = 0; i < 10000; i++)
        {

            let a = [-5070000, -23550000, 7710000, -23550000, 7710000, 22590000, -5070000, 22590000];
            let b = [0, 0, 7140200, 0, 7140200, 860200, 0, 860200];

            const subject = new Paths64();
            const clip = new Paths64();

            const combinedNfp1 = Union64(subject, clip, FillRule.NonZero);
            subject.push_back(MakePath64(a));

            const subject1 = new Paths64();
            subject1.push_back(MakePath64(b));
            let finalNfp1 = clipperCpp.lib2.Difference64(subject1, combinedNfp1, FillRule.NonZero);

            let fnfp = [];
            for (let i = 0; i < finalNfp1.size(); i++)
            {
                let path = finalNfp1.get(i);
                path.size();
                let arr = [];
                for (let j = 0; j < path.size(); j++)
                {
                    let p = path.get(j);
                    arr.push({ x: p.x, y: p.y });
                }

                fnfp.push(arr);
            }

            // console.log(fnfp);
        }