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ci(precheck): experimental tapeout job
generates the final .oas and publishes it as an artifact
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,12 @@ | ||
| import klayout.rdb as rdb | ||
| import sys | ||
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| report_file = sys.argv[1] | ||
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| report = rdb.ReportDatabase("DRC") | ||
| report.load(report_file) | ||
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| if report.num_items() > 0: | ||
| raise RuntimeError(f"Klayout DRC failed with {report.num_items()} DRC violations") | ||
| else: | ||
| print("Klayout DRC passed") |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,159 @@ | ||
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| errs = 0 | ||
| log("poly_density.drc:: sourcing design file=#{$gds_input} topcell=#{$top_cell} ...") | ||
| src = source($gds_input, $top_cell) | ||
| layout = src.layout | ||
| log("done.") | ||
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| report("Density Checks", $report_file) | ||
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| verbose(false) | ||
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| diff_wildcard = "65/20" | ||
| tap_wildcard = "65/44" | ||
| polyfill_wildcard = "65,23/28" | ||
| polymk_wildcard = "23/0" | ||
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| #$chip_boundary = input(235,4) | ||
| log("flattening chip boundary...") | ||
| $chip_boundary = input(235,4).flatten | ||
| log("done.") | ||
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| $bbox = $chip_boundary.bbox | ||
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| window_size = 700 | ||
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| if $step | ||
| step_size = $step.to_f | ||
| else | ||
| step_size = 70 | ||
| end | ||
| log("step size = #{step_size}") | ||
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| llx, lly, urx, ury = $bbox.left, $bbox.bottom, $bbox.right, $bbox.top | ||
| log("llx=#{llx} lly=#{lly} urx=#{urx} ury=#{ury}") | ||
| if urx-llx <= 0 || ury-lly <= 0 | ||
| STDERR.puts "ERROR: poly_density.drc: fatal error, chip_boundary bbox empty or malformed" | ||
| errs += 1 | ||
| end | ||
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| cnt = 0 | ||
| x_cnt = ((urx-step_size-llx) / step_size).ceil() | ||
| y_cnt = ((ury-step_size-lly) / step_size ).ceil() | ||
| tot = x_cnt * y_cnt | ||
| $poly_area_map = array = Array.new(x_cnt+1) { Array.new(y_cnt+1) { 0.0 } } | ||
| $tile_area_map = array = Array.new(x_cnt+1) { Array.new(y_cnt+1) { 0.0 } } | ||
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| log("x_cnt = #{x_cnt}") | ||
| log("y_cnt = #{y_cnt}") | ||
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| if x_cnt < 1 || y_cnt < 1 | ||
| STDERR.puts "ERROR: poly_density.drc: fatal error, x-count or y-count < 1: #{x_cnt} #{y_cnt}" | ||
| errs += 1 | ||
| end | ||
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| # any errors till now?: abort. | ||
| if errs > 0 | ||
| exit 1 | ||
| end | ||
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| class PolyArea < RBA::TileOutputReceiver | ||
| def put(ix, iy, tile, obj, dbu, clip) | ||
| if tile | ||
| poly_area_scaled = obj.to_f * dbu * dbu | ||
| #tile_area_scaled = tile.area * dbu * dbu | ||
| tile_area_scaled = (tile & ($bbox * (1.0 / dbu))).area * dbu * dbu | ||
| #puts "got area for tile #{ix+1},#{iy+1}: #{poly_area_scaled.to_s} #{tile_area_scaled.to_s}" | ||
| $poly_area_map[ix][iy] += poly_area_scaled | ||
| $tile_area_map[ix][iy] = tile_area_scaled | ||
| else | ||
| puts "empty tile #{ix+1},#{iy+1}" | ||
| end | ||
| end | ||
| def finish(success) | ||
| puts "finish received: success = #{success}" | ||
| end | ||
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| end | ||
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| tp = RBA::TilingProcessor::new | ||
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| # register the custom receiver | ||
| tp.output("my_receiver", PolyArea::new) | ||
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| tp.input("poly", layout.top_cell().begin_shapes_rec(layout.layer(66,20) ) ) | ||
| tp.input("polyfill", layout.top_cell().begin_shapes_rec(layout.layer(28,28) ) ) | ||
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| tp.frame=$bbox | ||
| tp.tile_size(step_size, step_size) # 70x70 um tile size | ||
| log("dbu = #{layout.dbu}") | ||
| log("bbox_area = #{$bbox.area}") | ||
| tp.dbu = layout.dbu | ||
| tp.threads = $thr.to_i | ||
| # tp.scale_to_dbu = false | ||
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| # The script clips the input at the tile and computes the (merged) area: | ||
| tp.queue("_output(my_receiver, _tile && ((poly | polyfill) & _tile).area)") | ||
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| log("calculating subtile areas (= #{tot})...") | ||
| tp.execute("Job description") | ||
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| cnt = 0 | ||
| big_x_cnt = ((urx-window_size-llx) / step_size).ceil() | ||
| big_y_cnt = ((ury-window_size-lly) / step_size).ceil() | ||
| big_tot = big_x_cnt * big_y_cnt | ||
| tiles_per_step = (window_size / step_size).ceil() | ||
| log("tiles per step = #{tiles_per_step}") | ||
| log("calculating window step densities (= #{big_tot})...") | ||
| markers_min = polygon_layer | ||
| markers_max = polygon_layer | ||
| min_err = 0 | ||
| max_err = 0 | ||
| min_density = 1 | ||
| max_density = 0 | ||
| for x in (0 ... big_x_cnt) | ||
| log("{{ CHECK }} #{cnt}/#{big_tot.round}") | ||
| for y in (0 ... big_y_cnt) | ||
| poly_area = 0 | ||
| tile_area = 0 | ||
| poly_density = 0 | ||
| #$poly_area_map.slice(x, tiles_per_step).each { |a| a.slice(y, tiles_per_step).each { |b| puts "#{x},#{y} = #{b}" } } | ||
| $poly_area_map.slice(x, tiles_per_step).each { |a| a.slice(y, tiles_per_step).each { |b| poly_area+=b } } | ||
| $tile_area_map.slice(x, tiles_per_step).each { |a| a.slice(y, tiles_per_step).each { |b| tile_area+=b } } | ||
| marker_box = box(x * step_size, y* step_size, (x+tiles_per_step)*step_size, (y+tiles_per_step)*step_size) | ||
| if tile_area > 0 | ||
| poly_density = poly_area / tile_area | ||
| #log("poly density #{cnt}/#{big_tot.round} is #{poly_density} for area #{tile_area}") | ||
| if poly_density < min_density | ||
| min_density = poly_density | ||
| end | ||
| if poly_density > max_density | ||
| max_density = poly_density | ||
| end | ||
| if poly_density < 0.08 | ||
| min_err += 1 | ||
| markers_min.insert(marker_box) | ||
| log("poly density below 0.08 : #{cnt}/#{big_tot.round} is #{"%.4f" % poly_density} for tile (#{marker_box.to_s}), area = #{tile_area.round}") | ||
| elsif poly_density > 0.38 | ||
| max_err += 1 | ||
| markers_max.insert(marker_box) | ||
| log("poly density above 0.38 : #{cnt}/#{big_tot.round} is #{"%.4f" % poly_density} for tile (#{marker_box.to_s}), area = #{tile_area.round}") | ||
| end | ||
| end | ||
| cnt += 1 | ||
| end | ||
| end | ||
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| log("minimum poly density = #{"%.4f" % min_density}") | ||
| log("maximum poly density = #{"%.4f" % max_density}") | ||
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| if min_err > 0 | ||
| log("cpoly.pd.1d violations = #{min_err}") | ||
| markers_min.output("cpoly.pd.1d", "0.08 min poly pattern density") | ||
| end | ||
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| if max_err > 0 | ||
| log("cpoly.pd.1e violations = #{max_err}") | ||
| markers_max.output("cpoly.pd.1e", "0.38 max poly pattern density") | ||
| end |