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ice40: Improving legalisation move statistics

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Signed-off-by: David Shah <davey1576@gmail.com>
This commit is contained in:
David Shah 2018-07-30 16:18:49 +02:00
parent edc6cf8b23
commit 267970c01e
1 changed files with 5 additions and 2 deletions
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7
ice40/place_legaliser.cc
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@ -119,9 +119,12 @@ class PlacementLegaliser
float distance_sum = 0; float distance_sum = 0;
float max_distance = 0; float max_distance = 0;
int moved_cells = 0; int moved_cells = 0;
int unplaced_cells = 0;
for (auto orig : originalPositions) { for (auto orig : originalPositions) {
if (ctx->cells.at(orig.first)->bel == BelId()) if (ctx->cells.at(orig.first)->bel == BelId()) {
unplaced_cells++;
continue; continue;
}
Loc newLoc = ctx->getBelLocation(ctx->cells.at(orig.first)->bel); Loc newLoc = ctx->getBelLocation(ctx->cells.at(orig.first)->bel);
if (newLoc != orig.second) { if (newLoc != orig.second) {
float distance = std::sqrt(std::pow(newLoc.x - orig.second.x, 2) + pow(newLoc.y - orig.second.y, 2)); float distance = std::sqrt(std::pow(newLoc.x - orig.second.x, 2) + pow(newLoc.y - orig.second.y, 2));
@ -131,7 +134,7 @@ class PlacementLegaliser
max_distance = distance; max_distance = distance;
} }
} }
log_info(" moved %d cells (after %s)\n", moved_cells, point); log_info(" moved %d cells, %d unplaced (after %s)\n", moved_cells, unplaced_cells, point);
if (moved_cells > 0) { if (moved_cells > 0) {
log_info(" average distance %f\n", (distance_sum / moved_cells)); log_info(" average distance %f\n", (distance_sum / moved_cells));
log_info(" maximum distance %f\n", max_distance); log_info(" maximum distance %f\n", max_distance);