flow: Add support for scaling min channel width hint estimates
diff --git a/vtr_flow/scripts/run_vtr_task.pl b/vtr_flow/scripts/run_vtr_task.pl
index 2274d24..5097449 100755
--- a/vtr_flow/scripts/run_vtr_task.pl
+++ b/vtr_flow/scripts/run_vtr_task.pl
@@ -71,6 +71,7 @@
my $shared_script_params = "";
my $verbosity = 0;
my $short_task_names = 0;
+my $minw_hint_factor = 1.;
# Parse Input Arguments
while ( $token = shift(@ARGV) ) {
@@ -122,6 +123,10 @@
$short_task_names = 1;
}
+ elsif ( $token eq "-minw_hint_factor" ) {
+ $minw_hint_factor = shift(@ARGV);
+ }
+
elsif ( $token =~ /^-/ ) {
die "Invalid option: $token\n";
}
@@ -459,6 +464,8 @@
#Add a hint about the minimum channel width (potentially saves run-time)
my $expected_min_W = ret_expected_min_W($circuit, $arch, $full_params_dirname, $golden_results_file);
+ $expected_min_W = int($expected_min_W * $minw_hint_factor);
+ $expected_min_W += ($expected_min_W % 2);
if($expected_min_W > 0) {
$command .= " --min_route_chan_width_hint $expected_min_W";
}
