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Openfpga #2382

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Openfpga #2382

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15345da
Making Analytical Placer Timing-driven and faster
miladeb8 Aug 31, 2023
982ef33
Cascade Placer: Enables using Analytical Placer as initial Placer
miladeb8 Aug 31, 2023
b66f415
Using VPR's default configs for Analytical Placer
miladeb8 Aug 31, 2023
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2 changes: 2 additions & 0 deletions vpr/src/base/SetupVPR.cpp
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Expand Up @@ -670,6 +670,8 @@ static void SetupPlacerOpts(const t_options& Options, t_placer_opts* PlacerOpts)
PlacerOpts->effort_scaling = Options.place_effort_scaling;
PlacerOpts->timing_update_type = Options.timing_update_type;
PlacerOpts->enable_analytic_placer = Options.enable_analytic_placer;
// Cascade Placer
PlacerOpts->enable_cascade_placer = Options.enable_cascade_placer;
PlacerOpts->place_static_move_prob = Options.place_static_move_prob;
PlacerOpts->place_static_notiming_move_prob = Options.place_static_notiming_move_prob;
PlacerOpts->place_high_fanout_net = Options.place_high_fanout_net;
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8 changes: 8 additions & 0 deletions vpr/src/base/read_options.cpp
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Expand Up @@ -1979,6 +1979,14 @@ argparse::ArgumentParser create_arg_parser(std::string prog_name, t_options& arg
"Once analytic placement is done, the result is passed through the quench phase of the annealing placer for local improvement")
.default_value("false")
.show_in(argparse::ShowIn::HELP_ONLY);

// Cascade Placer
place_grp.add_argument(args.enable_cascade_placer, "--enable_cascade_placer")
.help(
"Enables the cascade placer. "
"Once analytic placement is done, the result is passed through the annealing (SA) placer")
.default_value("false")
.show_in(argparse::ShowIn::HELP_ONLY);

place_grp.add_argument(args.place_static_move_prob, "--place_static_move_prob")
.help(
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2 changes: 2 additions & 0 deletions vpr/src/base/read_options.h
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Expand Up @@ -124,6 +124,8 @@ struct t_options {
argparse::ArgValue<e_place_effort_scaling> place_effort_scaling;
argparse::ArgValue<e_place_delta_delay_algorithm> place_delta_delay_matrix_calculation_method;
argparse::ArgValue<bool> enable_analytic_placer;
//Cascade_placer
argparse::ArgValue<bool> enable_cascade_placer;
argparse::ArgValue<std::vector<float>> place_static_move_prob;
argparse::ArgValue<std::vector<float>> place_static_notiming_move_prob;
argparse::ArgValue<int> place_high_fanout_net;
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2 changes: 2 additions & 0 deletions vpr/src/base/vpr_types.h
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Expand Up @@ -1216,6 +1216,8 @@ struct t_placer_opts {
* of the annealing placer for local improvement
*/
bool enable_analytic_placer;
// Cascade Placer
bool enable_cascade_placer;
};

/* All the parameters controlling the router's operation are in this *
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