/*
 *  nextpnr -- Next Generation Place and Route
 *
 *  Copyright (C) 2021  gatecat <gatecat@ds0.me>
 *
 *  Permission to use, copy, modify, and/or distribute this software for any
 *  purpose with or without fee is hereby granted, provided that the above
 *  copyright notice and this permission notice appear in all copies.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 */

#ifndef PARALLEL_REFINE_H
#define PARALLEL_REFINE_H

#include "nextpnr.h"

NEXTPNR_NAMESPACE_BEGIN

struct ParallelRefineCfg
{
    ParallelRefineCfg(Context *ctx);
    bool timing_driven;
    int threads;
    int hpwl_scale_x, hpwl_scale_y;
    double lambda = 0.5f;
    float crit_exp = 8;
    int inner_iters = 15;
    int min_thread_size = 500;
};

bool parallel_refine(Context *ctx, ParallelRefineCfg cfg);

NEXTPNR_NAMESPACE_END

#endif
