/* * nextpnr -- Next Generation Place and Route * * Copyright (C) 2019 David Shah * * 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. * * [[cite]] HeAP * Analytical Placement for Heterogeneous FPGAs, Marcel Gort and Jason H. Anderson * https://janders.eecg.utoronto.ca/pdfs/marcelfpl12.pdf * * [[cite]] SimPL * SimPL: An Effective Placement Algorithm, Myung-Chul Kim, Dong-Jin Lee and Igor L. Markov * http://www.ece.umich.edu/cse/awards/pdfs/iccad10-simpl.pdf */ #ifndef PLACER_HEAP_H #define PLACER_HEAP_H #include "log.h" #include "nextpnr.h" NEXTPNR_NAMESPACE_BEGIN struct PlacerHeapCfg { PlacerHeapCfg(Context *ctx); float alpha; float criticalityExponent; float timingWeight; bool timing_driven; std::unordered_set ioBufTypes; }; extern bool placer_heap(Context *ctx, PlacerHeapCfg cfg); NEXTPNR_NAMESPACE_END #endif