boojum-cuda 0.1.0

Boojum-CUDA is a library implementing GPU-accelerated cryptographic functionality for the zkSync prover
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use cudart::execution::Dim3;
use std::cmp::min;

pub const WARP_SIZE: u32 = 32;

pub fn get_grid_block_dims_for_threads_count(
    threads_per_block: u32,
    threads_count: u32,
) -> (Dim3, Dim3) {
    let block_dim = min(threads_count, threads_per_block);
    let grid_dim = (threads_count + block_dim - 1) / block_dim;
    (grid_dim.into(), block_dim.into())
}