lamellar 0.8.0

Lamellar is an asynchronous tasking runtime for HPC systems developed in RUST.
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use lamellar::array::prelude::*;

macro_rules! initialize_array {
    (UnsafeArray,$array:ident,$t:ty) => {
        unsafe {
            $array
                .dist_iter_mut()
                .enumerate()
                .for_each(move |(i, x)| *x = i as $t)
                .block();
        }
    };
    (AtomicArray,$array:ident,$t:ty) => {
        $array
            .dist_iter()
            .enumerate()
            .for_each(move |(i, x)| x.store(i as $t))
            .block();
    };
    (LocalLockArray,$array:ident,$t:ty) => {
        $array
            .dist_iter_mut()
            .enumerate()
            .for_each(move |(i, x)| *x = i as $t)
            .block();
    };
    (GlobalLockArray,$array:ident,$t:ty) => {
        $array
            .dist_iter_mut()
            .enumerate()
            .for_each(move |(i, x)| *x = i as $t)
            .block();
    };
    (ReadOnlyArray,$array:ident,$t:ty) => {
        // println!("into unsafe");
        let temp = $array.into_unsafe().block();
        // println!("unsafe");
        unsafe {
            temp.dist_iter_mut()
                .enumerate()
                .for_each(move |(i, x)| *x = i as $t)
                .block();
            $array = temp.into_read_only().block();
        }
    };
}

macro_rules! initialize_array_range {
    (UnsafeArray,$array:ident,$t:ty,$range:expr) => {{
        unsafe {
            let subarray = $array.sub_array($range);
            subarray
                .dist_iter_mut()
                .enumerate()
                .for_each(move |(i, x)| *x = i as $t)
                .block();
        }
    }};
    (AtomicArray,$array:ident,$t:ty,$range:expr) => {{
        let subarray = $array.sub_array($range);
        subarray
            .dist_iter()
            .enumerate()
            .for_each(move |(i, x)| x.store(i as $t))
            .block();
    }};
    (LocalLockArray,$array:ident,$t:ty,$range:expr) => {{
        let subarray = $array.sub_array($range);
        subarray
            .dist_iter_mut()
            .enumerate()
            .for_each(move |(i, x)| *x = i as $t)
            .block();
    }};
    (GlobalLockArray,$array:ident,$t:ty,$range:expr) => {{
        let subarray = $array.sub_array($range);
        subarray
            .dist_iter_mut()
            .enumerate()
            .for_each(move |(i, x)| *x = i as $t)
            .block();
    }};
    (ReadOnlyArray,$array:ident,$t:ty,$range:expr) => {{
        // println!("into unsafe");
        let temp = $array.into_unsafe().block();
        // println!("unsafe");
        unsafe {
            let subarray = temp.sub_array($range);
            subarray
                .dist_iter_mut()
                .enumerate()
                .for_each(move |(i, x)| *x = i as $t)
                .block();
            drop(subarray);
        }
        println!("into read only");
        $array = temp.into_read_only().block();
        println!("read only");
    }};
}

macro_rules! get_test{
    ($array:ident, $t:ty, $len:expr, $dist:ident) =>{{
        let world = lamellar::LamellarWorldBuilder::new().build();
        let num_pes = world.num_pes();
        let _my_pe = world.my_pe();
        let array_total_len = $len;
        let mem_seg_len = array_total_len;
        #[allow(unused_mut)]
        let mut success = true;
        #[allow(unused_mut)]
        let mut array: $array::<$t> = $array::<$t>::new(world.team(), array_total_len, $dist).block().into(); //convert into abstract LamellarArray, distributed len is total_len
        // println!("bout to initialize");
        initialize_array!($array, array, $t);
        //initialize array

        array.wait_all();
        array.barrier();

        let mut reqs = vec![];
        for tx in (0..mem_seg_len){
            #[allow(unused_unsafe)]
            unsafe { reqs.push(array.get(tx).spawn()); }
        }
        array.wait_all();
        array.barrier();

        for (i,req) in reqs.drain(..).enumerate(){
            let elem =req.block();
            if ((i as $t - elem) as f32).abs() > 0.0001 {
                eprintln!("{:?} {:?} {:?}",i as $t,elem,((i as $t - elem) as f32).abs());
                success = false;
            }
        }


        array.barrier();
        world.wait_all();
        world.barrier();
        if !success{
            eprintln!("failed 1");
        }


        let half_len = array_total_len/2;
        let start_i = half_len/2;
        let end_i = start_i + half_len;
        initialize_array_range!($array, array, $t,(start_i..end_i));
        let sub_array = array.sub_array(start_i..end_i);
        world.barrier();

        sub_array.barrier();
        // sub_array.print();

        let mut reqs = vec![];
        for tx in (0..half_len){
            #[allow(unused_unsafe)]
            unsafe { reqs.push(sub_array.get(tx).spawn()); }
        }
        sub_array.wait_all();
        sub_array.barrier();
        for (i,req) in reqs.drain(..).enumerate(){
            let elem =req.block();
            if ((i as $t - elem) as f32).abs() > 0.0001 {
                eprintln!("{:?} {:?} {:?}",i as $t,elem,((i as $t - elem) as f32).abs());
                success = false;
            }
        }

        array.barrier();
        world.wait_all();
        world.barrier();
        if !success{
            eprintln!("failed 2");
        }
        drop(sub_array); //needed for if we are using a ReadOnlyArray, as we will switch to an unsafe array to re-initialize

        let pe_len = array_total_len/num_pes;

        for pe in 0..num_pes{
            let len = pe_len/2;
            let start_i = (pe*pe_len)+ len/2;

            let end_i = start_i+len;
            initialize_array_range!($array, array, $t,(start_i..end_i));
            let sub_array = array.sub_array(start_i..end_i);
            world.barrier();

            sub_array.barrier();


            let mut reqs = vec![];
            for tx in (0..len){
                #[allow(unused_unsafe)]
                unsafe { reqs.push(sub_array.get(tx).spawn()) };

            }
            sub_array.wait_all();
            sub_array.barrier();
            for (i,req) in reqs.drain(..).enumerate(){
                let elem =req.block();
                if ((i as $t - elem) as f32).abs() > 0.0001 {
                    eprintln!("{:?} {:?} {:?}",i as $t,elem,((i as $t - elem) as f32).abs());
                    success = false;
                }
            }

            array.barrier();
            world.wait_all();
            world.barrier();
        }

        if !success{
            eprintln!("failed 3");
        }
    }};
}

#[lamellar::main]
fn main() {
    let args: Vec<String> = std::env::args().collect();
    let array = args[1].clone();
    let dist = args[2].clone();
    let elem = args[3].clone();
    let len = args[4].parse::<usize>().unwrap();

    let dist_type = match dist.as_str() {
        "Block" => Distribution::Block,
        "Cyclic" => Distribution::Cyclic,
        _ => panic!("unsupported dist type"),
    };

    match array.as_str() {
        "UnsafeArray" => match elem.as_str() {
            "u8" => get_test!(UnsafeArray, u8, len, dist_type),
            "u16" => get_test!(UnsafeArray, u16, len, dist_type),
            "u32" => get_test!(UnsafeArray, u32, len, dist_type),
            "u64" => get_test!(UnsafeArray, u64, len, dist_type),
            "u128" => get_test!(UnsafeArray, u128, len, dist_type),
            "usize" => get_test!(UnsafeArray, usize, len, dist_type),
            "i8" => get_test!(UnsafeArray, i8, len, dist_type),
            "i16" => get_test!(UnsafeArray, i16, len, dist_type),
            "i32" => get_test!(UnsafeArray, i32, len, dist_type),
            "i64" => get_test!(UnsafeArray, i64, len, dist_type),
            "i128" => get_test!(UnsafeArray, i128, len, dist_type),
            "isize" => get_test!(UnsafeArray, isize, len, dist_type),
            "f32" => get_test!(UnsafeArray, f32, len, dist_type),
            "f64" => get_test!(UnsafeArray, f64, len, dist_type),
            _ => eprintln!("unsupported element type"),
        },
        "AtomicArray" => match elem.as_str() {
            "u8" => get_test!(AtomicArray, u8, len, dist_type),
            "u16" => get_test!(AtomicArray, u16, len, dist_type),
            "u32" => get_test!(AtomicArray, u32, len, dist_type),
            "u64" => get_test!(AtomicArray, u64, len, dist_type),
            "u128" => get_test!(AtomicArray, u128, len, dist_type),
            "usize" => get_test!(AtomicArray, usize, len, dist_type),
            "i8" => get_test!(AtomicArray, i8, len, dist_type),
            "i16" => get_test!(AtomicArray, i16, len, dist_type),
            "i32" => get_test!(AtomicArray, i32, len, dist_type),
            "i64" => get_test!(AtomicArray, i64, len, dist_type),
            "i128" => get_test!(AtomicArray, i128, len, dist_type),
            "isize" => get_test!(AtomicArray, isize, len, dist_type),
            "f32" => get_test!(AtomicArray, f32, len, dist_type),
            "f64" => get_test!(AtomicArray, f64, len, dist_type),
            _ => eprintln!("unsupported element type"),
        },
        "LocalLockArray" => match elem.as_str() {
            "u8" => get_test!(LocalLockArray, u8, len, dist_type),
            "u16" => get_test!(LocalLockArray, u16, len, dist_type),
            "u32" => get_test!(LocalLockArray, u32, len, dist_type),
            "u64" => get_test!(LocalLockArray, u64, len, dist_type),
            "u128" => get_test!(LocalLockArray, u128, len, dist_type),
            "usize" => get_test!(LocalLockArray, usize, len, dist_type),
            "i8" => get_test!(LocalLockArray, i8, len, dist_type),
            "i16" => get_test!(LocalLockArray, i16, len, dist_type),
            "i32" => get_test!(LocalLockArray, i32, len, dist_type),
            "i64" => get_test!(LocalLockArray, i64, len, dist_type),
            "i128" => get_test!(LocalLockArray, i128, len, dist_type),
            "isize" => get_test!(LocalLockArray, isize, len, dist_type),
            "f32" => get_test!(LocalLockArray, f32, len, dist_type),
            "f64" => get_test!(LocalLockArray, f64, len, dist_type),
            _ => eprintln!("unsupported element type"),
        },
        "GlobalLockArray" => match elem.as_str() {
            "u8" => get_test!(GlobalLockArray, u8, len, dist_type),
            "u16" => get_test!(GlobalLockArray, u16, len, dist_type),
            "u32" => get_test!(GlobalLockArray, u32, len, dist_type),
            "u64" => get_test!(GlobalLockArray, u64, len, dist_type),
            "u128" => get_test!(GlobalLockArray, u128, len, dist_type),
            "usize" => get_test!(GlobalLockArray, usize, len, dist_type),
            "i8" => get_test!(GlobalLockArray, i8, len, dist_type),
            "i16" => get_test!(GlobalLockArray, i16, len, dist_type),
            "i32" => get_test!(GlobalLockArray, i32, len, dist_type),
            "i64" => get_test!(GlobalLockArray, i64, len, dist_type),
            "i128" => get_test!(GlobalLockArray, i128, len, dist_type),
            "isize" => get_test!(GlobalLockArray, isize, len, dist_type),
            "f32" => get_test!(GlobalLockArray, f32, len, dist_type),
            "f64" => get_test!(GlobalLockArray, f64, len, dist_type),
            _ => {} //eprintln!("unsupported element type"),
        },
        "ReadOnlyArray" => match elem.as_str() {
            "u8" => get_test!(ReadOnlyArray, u8, len, dist_type),
            "u16" => get_test!(ReadOnlyArray, u16, len, dist_type),
            "u32" => get_test!(ReadOnlyArray, u32, len, dist_type),
            "u64" => get_test!(ReadOnlyArray, u64, len, dist_type),
            "u128" => get_test!(ReadOnlyArray, u128, len, dist_type),
            "usize" => get_test!(ReadOnlyArray, usize, len, dist_type),
            "i8" => get_test!(ReadOnlyArray, i8, len, dist_type),
            "i16" => get_test!(ReadOnlyArray, i16, len, dist_type),
            "i32" => get_test!(ReadOnlyArray, i32, len, dist_type),
            "i64" => get_test!(ReadOnlyArray, i64, len, dist_type),
            "i128" => get_test!(ReadOnlyArray, i128, len, dist_type),
            "isize" => get_test!(ReadOnlyArray, isize, len, dist_type),
            "f32" => get_test!(ReadOnlyArray, f32, len, dist_type),
            "f64" => get_test!(ReadOnlyArray, f64, len, dist_type),
            _ => eprintln!("unsupported element type"),
        },
        _ => eprintln!("unsupported array type"),
    }
}