44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
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/*
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* nextpnr -- Next Generation Place and Route
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*
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* Copyright (C) 2021 gatecat <gatecat@ds0.me>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#ifndef PARALLEL_REFINE_H
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#define PARALLEL_REFINE_H
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#include "nextpnr.h"
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NEXTPNR_NAMESPACE_BEGIN
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struct ParallelRefineCfg
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{
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ParallelRefineCfg(Context *ctx);
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bool timing_driven;
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int threads;
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int hpwl_scale_x, hpwl_scale_y;
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double lambda = 0.5f;
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float crit_exp = 8;
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int inner_iters = 15;
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int min_thread_size = 500;
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};
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bool parallel_refine(Context *ctx, ParallelRefineCfg cfg);
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NEXTPNR_NAMESPACE_END
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#endif
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