def setup(): p = Pdk().load(pdkfile) c = Canvas(p) c.addGen(Wire(nm='m2', layer='M2', direction='h', clg=None, spg=None)) m2 = p['M2'] m2['AdjacentAttacker'] = 1 assert 'Width' in m2 dy = m2['Width'] // 2 py = m2['Pitch'] c.terminals = [{ 'layer': 'M2', 'netName': 'x', 'rect': [0, 0 * py - dy, 200, 0 * py + dy] }, { 'layer': 'M2', 'netName': 'y', 'rect': [200, 1 * py - dy, 400, 1 * py + dy] }] return c
def test_via_multi_terminal_short(): c = Canvas() c.addGen(Wire(nm='m1', layer='M1', direction='v', clg=None, spg=None)) c.addGen(Via(nm="v0", layer="via0", h_clg=None, v_clg=None)) c.terminals = [{ 'layer': 'M1', 'netName': 'x', 'rect': [100, -150, 200, 150] }, { 'layer': 'M1', 'netName': 'y', 'rect': [300, -150, 600, 150] }, { 'layer': 'via0', 'netName': 'M1:S', 'rect': [100, -50, 200, 50] }, { 'layer': 'via0', 'netName': 'M1:S', 'rect': [300, -50, 600, 50] }] c.layer_stack.append(('via0', ('M1', None))) c.removeDuplicates() assert len(c.rd.subinsts) == 1, c.rd.subinsts assert len(c.rd.subinsts['M1'].pins) == 1, c.rd.subinsts assert len(c.rd.shorts) == 1, c.rd.shorts assert len(c.rd.opens) == 0, c.rd.opens
def test_via_multi_terminal_open(): c = Canvas() c.addGen(Wire(nm='m1', layer='M1', direction='v', clg=None, spg=None)) c.addGen(Wire(nm='m2', layer='M2', direction='h', clg=None, spg=None)) c.addGen(Via(nm="v1", layer="via1", h_clg=None, v_clg=None)) c.terminals = [{ 'layer': 'M2', 'netName': None, 'rect': [0, -50, 300, 50] }, { 'layer': 'M1', 'netName': 'M1:S', 'rect': [100, -150, 200, 150] }, { 'layer': 'M1', 'netName': 'M1:D', 'rect': [0, -150, 50, 150] }, { 'layer': 'via1', 'netName': None, 'rect': [100, -50, 200, 50] }, { 'layer': 'via1', 'netName': None, 'rect': [0, -50, 50, 50] }] c.removeDuplicates() assert len(c.rd.shorts) == 0, c.rd.shorts assert len(c.rd.opens) == 2, c.rd.opens assert len(c.rd.subinsts) == 1, c.rd.subinsts assert len(c.rd.subinsts['M1'].pins) == 2, c.rd.subinsts
def setup(): p = Pdk().load(pdkfile) c = Canvas(p) c.addGen(Wire(nm='m2', layer='M2', direction='h', clg=None, spg=None)) m2 = p['M2'] assert 'Width' in m2 assert m2['Width'] % 2 == 0 dy0 = m2['Width'] // 2 dy1 = dy0 + 4 return c, dy0, dy1
def test_metal_multi_terminal_connection(): c = Canvas() c.addGen(Wire(nm='m2', layer='metal2', direction='h', clg=None, spg=None)) c.terminals = [{ 'layer': 'metal2', 'netName': 'M1:S', 'rect': [0, -50, 300, 50] }, { 'layer': 'metal2', 'netName': 'inp1', 'rect': [200, -50, 600, 50] }, { 'layer': 'metal2', 'netName': 'M1:D', 'rect': [400, -50, 800, 50] }, { 'layer': 'metal2', 'netName': None, 'rect': [700, -50, 1000, 50] }, { 'layer': 'metal2', 'netName': 'M2:inp', 'rect': [900, -50, 1200, 50] }] c.removeDuplicates() assert len(c.rd.shorts) == 0, c.rd.shorts assert len(c.rd.opens) == 0, c.rd.opens assert len(c.rd.subinsts) == 2 assert len(c.rd.subinsts['M1'].pins) == 2, c.rd.subinsts assert len(c.rd.subinsts['M2'].pins) == 1
def test_different_widths(): c = Canvas() c.addGen( Wire( nm='m2', layer='metal2', direction='h', clg=None, spg=None)) c.terminals = [{'layer': 'metal2', 'netName': 'x', 'rect': [0, -50, 300, 50], 'netType': 'drawing'}, {'layer': 'metal2', 'netName': 'x', 'rect': [0, -60, 300, 60], 'netType': 'drawing'}] c.removeDuplicates() assert len(c.rd.different_widths) > 0
def test_open(): c = Canvas() c.addGen( Wire( nm='m2', layer='metal2', direction='h', clg=None, spg=None)) c.terminals = [{'layer': 'metal2', 'netName': 'x', 'rect': [ 0, -50, 300, 50], 'netType': 'drawing'}, {'layer': 'metal2', 'netName': 'x', 'rect': [400, -50, 600, 50], 'netType': 'drawing'}] c.removeDuplicates() assert len(c.rd.shorts) == 0, c.rd.shorts assert len(c.rd.opens) == 1, c.rd.opens
def test_via_short1(): c = Canvas() c.addGen( Wire( nm='m1', layer='M1', direction='v', clg=None, spg=None)) c.addGen( Wire( nm='m2', layer='M2', direction='h', clg=None, spg=None)) c.addGen( Via( nm="v1", layer="via1", h_clg=None, v_clg=None)) c.terminals = [{'layer': 'M2', 'netName': 'a', 'rect': [ 0, -50, 300, 50], 'netType': 'drawing'}, {'layer': 'M1', 'netName': 'b', 'rect': [100, -150, 200, 150], 'netType': 'drawing'}, {'layer': 'via1', 'netName': None, 'rect': [100, -50, 200, 50], 'netType': 'drawing'} ] print(c.removeDuplicates()) assert len(c.rd.shorts) == 1, c.rd.shorts assert len(c.rd.opens) == 0, c.rd.opens
def test_vertical(): c = Canvas() c.addGen(Wire(nm='m1', layer='metal1', direction='v', clg=None, spg=None)) c.terminals = [{ 'layer': 'metal1', 'netName': 'x', 'rect': [0, 0, 100, 300] }] c.removeDuplicates()
def setup(): p = Pdk().load(pdkfile) c = Canvas(p) c.addGen(Wire(nm='m1', layer='M1', direction='v', clg=None, spg=None)) c.addGen(Wire(nm='m2', layer='M2', direction='h', clg=None, spg=None)) c.addGen(Via(nm="v1", layer="V1", h_clg=None, v_clg=None)) return c
def setup(): c = Canvas() m1 = c.addGen( Wire(nm='m1', layer='M1', direction='v', clg=UncoloredCenterLineGrid(width=400, pitch=720, repeat=2), spg=EnclosureGrid(pitch=720, stoppoint=360))) m2 = c.addGen( Wire(nm='m2', layer='M2', direction='h', clg=UncoloredCenterLineGrid(width=400, pitch=720, repeat=5), spg=EnclosureGrid(pitch=720, stoppoint=360))) m3 = c.addGen( Wire(nm='m3', layer='M3', direction='v', clg=UncoloredCenterLineGrid(width=400, pitch=720, repeat=2), spg=EnclosureGrid(pitch=720, stoppoint=360))) v1 = c.addGen(Via(nm='v1', layer='via1', h_clg=m2.clg, v_clg=m1.clg)) v2 = c.addGen(Via(nm='v2', layer='via2', h_clg=m2.clg, v_clg=m3.clg)) return (c, m1, v1, m2, v2, m3)
def test_overlapping(): c = Canvas() c.addGen( Wire( nm='m2', layer='metal2', direction='h', clg=None, spg=None)) c.terminals = [{'layer': 'metal2', 'netName': 'x', 'rect': [ 0, -50, 300, 50], 'netType': 'drawing'}, {'layer': 'metal2', 'netName': 'x', 'rect': [200, -50, 600, 50], 'netType': 'drawing'}] newTerminals = c.removeDuplicates() assert len(newTerminals) == 1 assert newTerminals[0]['rect'] == [0, -50, 600, 50]
def test_overlapping_drawings_through_blockage(): c = Canvas() c.addGen( Wire( nm='m2', layer='M2', direction='h', clg=None, spg=None)) c.terminals = [ {'layer': 'M2', 'netName': 'a', 'rect': [ 0, -50, 300, 50], 'netType': 'pin'}, {'layer': 'M2', 'netName': None, 'rect': [ 150, -50, 750, 50], 'netType': 'blockage'}, {'layer': 'M2', 'netName': 'b', 'rect': [ 600, -50, 900, 50], 'netType': 'pin'} ] newTerminals = c.removeDuplicates() assert len(c.rd.shorts) == 1, c.rd.shorts assert len(c.rd.opens) == 0, c.rd.opens
def test_blockage_not_merging(): c = Canvas() c.addGen( Wire( nm='m2', layer='M2', direction='h', clg=None, spg=None)) c.terminals = [{'layer': 'M2', 'netName': 'a', 'rect': [ 0, -50, 300, 50], 'netType': 'pin'}, {'layer': 'M2', 'netName': None, 'rect': [ 150, -50, 750, 50], 'netType': 'blockage'} ] newTerminals = c.removeDuplicates() assert len(c.rd.shorts) == 0, c.rd.shorts assert len(c.rd.opens) == 0, c.rd.opens assert len(newTerminals) == 2, len(newTerminals)
def setup(): p = Pdk().load(pdkfile) c = Canvas(p) c.addGen(Wire(nm='m1', layer='M1', direction='v', clg=None, spg=None)) c.addGen(Wire(nm='m2', layer='M2', direction='h', clg=None, spg=None)) c.addGen(Via(nm="v1", layer="V1", h_clg=None, v_clg=None)) m1 = p['M1'] v1 = p['V1'] m2 = p['M2'] assert 'Width' in m1 assert 'Width' in m2 assert 'VencA_L' in v1 assert 'VencA_H' in v1 assert 'VencP_L' in v1 assert 'VencP_H' in v1 assert 'WidthX' in v1 assert 'WidthY' in v1 assert 'MinL' in m1 assert 'MinL' in m2 assert m1['MinL'] <= 200 assert m2['MinL'] <= 200 def cr(x, y): assert x % 2 == 0 assert y % 2 == 0 return [-x // 2, -y // 2, x // 2, y // 2] c.terminals = [{ 'layer': 'M1', 'netName': 'x', 'rect': cr(m1['Width'], v1['WidthY'] + 2 * v1['VencA_L']), "netType": "drawing" }, { 'layer': 'M2', 'netName': 'x', 'rect': cr(v1['WidthX'] + 2 * v1['VencA_H'], m2['Width']), "netType": "drawing" }, { 'layer': 'V1', 'netName': 'x', 'rect': cr(v1['WidthX'], v1['WidthY']), "netType": "drawing" }] return c
def test_metal_terminal_connection(): c = Canvas() c.addGen(Wire(nm='m2', layer='metal2', direction='h', clg=None, spg=None)) c.terminals = [{ 'layer': 'metal2', 'netName': 'x', 'rect': [0, -50, 300, 50] }, { 'layer': 'metal2', 'netName': 'M1:S', 'rect': [200, -50, 600, 50] }] c.removeDuplicates() assert len(c.rd.shorts) == 0, c.rd.shorts assert len(c.rd.opens) == 0, c.rd.opens assert len(c.rd.subinsts) == 1, c.rd.subinsts
def setup(): p = Pdk().load(pdkfile) c = Canvas(p) c.addGen(Wire(nm='m2', layer='M2', direction='h', clg=None, spg=None)) c.addGen(Wire(nm='m3', layer='M3', direction='v', clg=None, spg=None)) c.addGen(Via(nm="v2", layer="V2", h_clg=None, v_clg=None)) m2 = p['M2'] v2 = p['V2'] m3 = p['M3'] assert 'Width' in m2 assert 'Width' in m3 assert 'VencA_L' in v2 assert 'VencA_H' in v2 assert 'VencP_L' in v2 assert 'VencP_H' in v2 assert 'WidthX' in v2 assert 'WidthY' in v2 assert 'MinL' in m2 assert 'MinL' in m3 assert m2['MinL'] <= 210 assert m3['MinL'] <= 210 def cr(x, y): assert x % 2 == 0 assert y % 2 == 0 return [-x // 2, -y // 2, x // 2, y // 2] c.terminals = [{ 'layer': 'M2', 'netName': 'x', 'rect': cr(v2['WidthX'] + 2 * v2['VencA_L'], m2['Width']) }, { 'layer': 'M3', 'netName': 'x', 'rect': cr(m3['Width'], v2['WidthY'] + 2 * v2['VencA_H']) }, { 'layer': 'V2', 'netName': 'x', 'rect': cr(v2['WidthX'], v2['WidthY']) }] return c
def test_disjoint(): c = Canvas() c.addGen(Wire(nm='m2', layer='metal2', direction='h', clg=None, spg=None)) c.terminals = [{ 'layer': 'metal2', 'netName': 'x', 'rect': [0, -50, 300, 50] }, { 'layer': 'metal2', 'netName': 'x', 'rect': [400, -50, 600, 50] }] newTerminals = c.removeDuplicates() assert len(newTerminals) == 2 assert newTerminals[0]['rect'] == [0, -50, 300, 50] assert newTerminals[1]['rect'] == [400, -50, 600, 50]
def test_via_connectf(): c = Canvas() c.addGen(Wire(nm='m1', layer='M1', direction='v', clg=None, spg=None)) c.addGen(Wire(nm='m2', layer='M2', direction='h', clg=None, spg=None)) c.addGen(Via(nm="v1", layer="via1", h_clg=None, v_clg=None)) c.terminals = [{ 'layer': 'M2', 'netName': 'b', 'rect': [0, -50, 300, 50] }, { 'layer': 'M1', 'netName': None, 'rect': [100, -150, 200, 150] }, { 'layer': 'via1', 'netName': None, 'rect': [100, -50, 200, 50] }] terms = c.removeDuplicates() print(terms) assert len(c.rd.shorts) == 0, c.rd.shorts assert len(c.rd.opens) == 0, c.rd.opens assert {d['netName'] for d in terms} == {'b'}
def test_cunit(): c = Canvas() for (x, y) in ((x, y) for x in range(16) for y in range(4)): c.cunit(x, y) c.computeBbox() with open("mydesign_dr_globalrouting.json", "wt") as fp: data = { 'bbox': c.bbox.toList(), 'globalRoutes': [], 'globalRouteGrid': [], 'terminals': c.terminals } fp.write(json.dumps(data, indent=2) + '\n')
def setup(): p = Pdk().load(pdkfile) c = Canvas(p) c.addGen(Wire(nm='m2', layer='M2', direction='h', clg=None, spg=None)) return c, p
def test_one(): c = Canvas() m1 = c.addGen( Wire(nm='m1', layer='M1', direction='v', clg=UncoloredCenterLineGrid(width=400, pitch=720, repeat=2), spg=EnclosureGrid(pitch=720, stoppoint=360))) m2 = c.addGen( Wire(nm='m2', layer='M2', direction='h', clg=UncoloredCenterLineGrid(width=400, pitch=720, repeat=5), spg=EnclosureGrid(pitch=720, stoppoint=360))) v1 = c.addGen(Via(nm='v1', layer='via1', h_clg=m2.clg, v_clg=m1.clg)) for i in [0, 2, 4]: c.addWire(m1, 'a', None, i, (0, 1), (4, -1)) for i in [1, 3, 5]: c.addWire(m1, 'b', None, i, (0, 1), (4, -1)) c.addWireAndViaSet('a', None, m2, v1, 2, [0, 2, 4]) c.addWireAndViaSet('b', None, m2, v1, 1, [1, 3, 5]) print(c.terminals) c.computeBbox() fn = "__json_via_set" data = { 'bbox': c.bbox.toList(), 'globalRoutes': [], 'globalRouteGrid': [], 'terminals': c.removeDuplicates() } with open(mydir / (fn + "_cand"), "wt") as fp: fp.write(json.dumps(data, indent=2) + '\n') with open(mydir / (fn + "_gold"), "rt") as fp: data2 = json.load(fp) assert data == data2
def test_one(): c = Canvas() c.pdk = { "M1": { "Direction": "V" }, "M2": { "Direction": "H" }, "M3": { "Direction": "H" }, "V1": { "Stack": ["M1", "M2"], "SpaceX": 400, "SpaceY": 500, "WidthX": 400, "WidthY": 300, "VencA_L": 0, "VencA_H": 0, "VencP_L": 0, "VencP_H": 0 }, "V2": { "Stack": ["M2", "M3"], "SpaceX": 400, "SpaceY": 500, "WidthX": 400, "WidthY": 300, "VencA_L": 0, "VencA_H": 0, "VencP_L": 0, "VencP_H": 0 } } c.M1 = c.addGen( Wire(nm='m1', layer='M1', direction='v', clg=UncoloredCenterLineGrid(width=400, pitch=800, repeat=2), spg=EnclosureGrid(pitch=900, stoppoint=450))) c.M2 = c.addGen( Wire(nm='m2', layer='M2', direction='h', clg=UncoloredCenterLineGrid(width=400, pitch=900, repeat=5), spg=EnclosureGrid(pitch=800, stoppoint=400))) c.M3 = c.addGen( Wire(nm='m3', layer='M3', direction='v', clg=UncoloredCenterLineGrid(width=400, pitch=800, repeat=2), spg=EnclosureGrid(pitch=900, stoppoint=450))) c.V1 = c.addGen( Via(nm='v1', layer='V1', h_clg=c.M2.clg, v_clg=c.M1.clg, WidthX=c.pdk['V1']['WidthX'], WidthY=c.pdk['V1']['WidthY'])) c.V2 = c.addGen( Via(nm='v2', layer='V2', h_clg=c.M2.clg, v_clg=c.M3.clg, WidthX=c.pdk['V2']['WidthX'], WidthY=c.pdk['V2']['WidthY'])) for x in [1, 2, 3]: c.addWire(c.M1, 'a', x, (0, 1), (3, 3)) for y in [1, 2, 3]: c.addWire(c.M2, 'a', y, (1, 1), (5, 3)) for x in [4, 5, 6]: c.addWire(c.M3, 'a', x, (0, 1), (3, 3)) c.drop_via(c.V1) c.drop_via(c.V2) c.computeBbox() data = { 'bbox': c.bbox.toList(), 'globalRoutes': [], 'globalRouteGrid': [], 'terminals': c.terminals } # for viewing with open( pathlib.Path(os.getenv('ALIGN_HOME')) / 'Viewer' / 'INPUT' / 'drop_via_one.json', "wt") as fp: fp.write(json.dumps(data, indent=2) + '\n') fn = "__json_drop_via_one" with open(mydir / (fn + "_cand"), "wt") as fp: fp.write(json.dumps(data, indent=2) + '\n') with open(mydir / (fn + "_gold"), "rt") as fp: data2 = json.load(fp) assert data == data2
def test_two(): c = Canvas() c.pdk = { "M1": { "Direction": "V" }, "M2": { "Direction": "H" }, "V1": { "Stack": ["M1", "M2"], "SpaceX": 700, "SpaceY": 700, "WidthX": 400, "WidthY": 300, "VencA_L": 50, "VencA_H": 50, "VencP_L": 0, "VencP_H": 0 } } c.M1 = c.addGen( Wire(nm='m1', layer='M1', direction='v', clg=UncoloredCenterLineGrid(width=400, pitch=800, repeat=2), spg=EnclosureGrid(pitch=900, stoppoint=450))) c.M2 = c.addGen( Wire(nm='m2', layer='M2', direction='h', clg=UncoloredCenterLineGrid(width=400, pitch=900, repeat=5), spg=EnclosureGrid(pitch=800, stoppoint=400))) c.V1 = c.addGen( Via(nm='v1', layer='V1', h_clg=c.M2.clg, v_clg=c.M1.clg, WidthX=c.pdk['V1']['WidthX'], WidthY=c.pdk['V1']['WidthY'])) # via existing c.addWire(c.M1, 'a', 1, (0, 1), (1, 3)) c.addWire(c.M2, 'a', 1, (0, 1), (1, 3)) c.addVia(c.V1, 'a', 1, 1) # SpaceY violation c.addWire(c.M1, 'a', 3, (0, 1), (2, 3)) c.addWire(c.M2, 'a', 1, (2, 1), (3, 3)) c.addWire(c.M2, 'a', 2, (2, 1), (3, 3)) # SpaceX violation c.addWire(c.M1, 'a', 5, (0, 1), (2, 3)) c.addWire(c.M1, 'a', 6, (0, 1), (2, 3)) c.addWire(c.M2, 'a', 1, (4, 1), (6, 3)) # enclosure violation c.terminals.append({ "layer": "M1", "netName": "a", "rect": [6200, 750, 6600, 2250], "netType": "drawing" }) c.terminals.append({ "layer": "M2", "netName": "a", "rect": [6200, 1600, 7000, 2000], "netType": "drawing" }) c.addWire(c.M2, 'a', 1, (7, 1), (8, 3)) c.drop_via(c.V1) c.computeBbox() data = { 'bbox': c.bbox.toList(), 'globalRoutes': [], 'globalRouteGrid': [], 'terminals': c.terminals } # for viewing with open( pathlib.Path(os.getenv('ALIGN_HOME')) / 'Viewer' / 'INPUT' / 'drop_via_two.json', "wt") as fp: fp.write(json.dumps(data, indent=2) + '\n') fn = "__json_drop_via_two" with open(mydir / (fn + "_cand"), "wt") as fp: fp.write(json.dumps(data, indent=2) + '\n') with open(mydir / (fn + "_gold"), "rt") as fp: data2 = json.load(fp) assert data == data2
def test_four(): c = Canvas() c.pdk = {'M1': {'MaxL': None}, 'M2': {'MaxL': 10000}} m1 = c.addGen( Wire(nm='m1', layer='M1', direction='v', clg=UncoloredCenterLineGrid(width=400, pitch=720, repeat=2), spg=EnclosureGrid(pitch=720, stoppoint=360))) # Below wires on same centerline should not be merged c.addWire(m1, 'a', 1, (0, 1), (1, 3), netType="blockage") c.addWire(m1, 'a', 1, (2, 1), (3, 3), netType="blockage") c.addWire(m1, 'a', 2, (0, 1), (1, 3), netType="drawing") c.addWire(m1, 'a', 2, (2, 1), (3, 3), netType="pin") c.addWire(m1, 'a', 4, (0, 1), (1, 3), netType="drawing") c.addWire(m1, 'a', 4, (2, 1), (3, 3), netType="blockage") # Below wires on same centerline should be merged c.addWire(m1, 'a', 3, (0, 1), (1, 3), netType="drawing") c.addWire(m1, 'a', 3, (2, 1), (3, 3), netType="drawing") c.addWire(m1, 'a', 5, (0, 1), (1, 3), netType="pin") c.addWire(m1, 'a', 5, (2, 1), (3, 3), netType="pin") new_terminals = c.removeDuplicates(allow_opens=True) print(new_terminals) c.join_wires(m1) new_terminals = c.removeDuplicates(allow_opens=True) print('new:', new_terminals) c.computeBbox() fn = "__json_join_wires_four" data = { 'bbox': c.bbox.toList(), 'globalRoutes': [], 'globalRouteGrid': [], 'terminals': c.removeDuplicates(allow_opens=True) } with open(mydir / (fn + "_cand"), "wt") as fp: fp.write(json.dumps(data, indent=2) + '\n') with open(mydir / (fn + "_gold"), "rt") as fp: data2 = json.load(fp) assert data == data2
def test_one(): c = Canvas() c.pdk = {'M1': {'MaxL': None}, 'M2': {'MaxL': 10000}} m1 = c.addGen( Wire(nm='m1', layer='M1', direction='v', clg=UncoloredCenterLineGrid(width=400, pitch=720, repeat=2), spg=EnclosureGrid(pitch=720, stoppoint=360))) m2 = c.addGen( Wire(nm='m2', layer='M2', direction='h', clg=UncoloredCenterLineGrid(width=400, pitch=720, repeat=5), spg=EnclosureGrid(pitch=720, stoppoint=360))) # These three should be merged c.addWire(m1, 'a', 0, (0, 1), (3, 3)) c.addWire(m1, 'a', 0, (4, 1), (5, 3)) c.addWire(m1, 'a', 0, (6, 1), (50, 3)) # Only the first two should be merged c.addWire(m2, 'a', 1, (0, 1), (3, 3)) c.addWire(m2, 'a', 1, (4, 1), (5, 3)) c.addWire(m2, 'a', 1, (6, 1), (50, 3)) new_terminals = c.removeDuplicates(allow_opens=True) print('OLD:', new_terminals) c.join_wires(m1) c.join_wires(m2) new_terminals = c.removeDuplicates(allow_opens=True) print('NEW:', new_terminals) c.computeBbox() fn = "__json_join_wires_one" data = { 'bbox': c.bbox.toList(), 'globalRoutes': [], 'globalRouteGrid': [], 'terminals': c.removeDuplicates(allow_opens=True) } with open(mydir / (fn + "_cand"), "wt") as fp: fp.write(json.dumps(data, indent=2) + '\n') with open(mydir / (fn + "_gold"), "rt") as fp: data2 = json.load(fp) assert data == data2
def setup(): p = Pdk() p.pdk['M2'] = { 'Direction': 'H', 'Width': 60, 'Pitch': 100, 'MinL': 10, 'EndToEnd': 10 } p.pdk['M3'] = { 'Direction': 'V', 'Width': 50, 'Pitch': 100, 'MinL': 10, 'EndToEnd': 10 } # # Adjacent via violation # ***** ***** # ^ ^ # WidthX + SpaceX > Pitch(X) # # Both okay below # p.pdk['V2'] = { 'Stack': ['M2', 'M3'], 'WidthX': 50, 'WidthY': 60, 'SpaceX': 50, 'SpaceY': 40, 'VencA_L': 0, 'VencA_H': 0, 'VencP_L': 0, 'VencP_H': 0 } c = Canvas(p) m2 = c.addGen( Wire(nm='m2', layer='M2', direction='h', clg=UncoloredCenterLineGrid(width=p['M2']['Width'], pitch=p['M2']['Pitch']), spg=EnclosureGrid(pitch=p['M3']['Pitch'], stoppoint=p['M3']['Pitch'] // 2))) m3 = c.addGen( Wire(nm='m3', layer='M3', direction='v', clg=UncoloredCenterLineGrid(width=p['M3']['Width'], pitch=p['M3']['Pitch']), spg=EnclosureGrid(pitch=p['M2']['Pitch'], stoppoint=p['M2']['Pitch'] // 2))) v2 = c.addGen(Via(nm='v2', layer='V2', h_clg=m2.clg, v_clg=m3.clg)) n = 40 gridlines = list(range(n)) for i in gridlines: c.addWire(m3, 'a', None, i, (0, 1), (n + 1, -1)) for j in gridlines: c.addWireAndViaSet('a', None, m2, v2, j + 1, gridlines) return c, n
def test_horizontal(): c = Canvas() c.addGen( Wire( nm='m2', layer='metal2', direction='h', clg=None, spg=None)) c.terminals = [{'layer': 'metal2', 'netName': 'x', 'rect': [0, 0, 300, 100], 'netType': 'drawing'}] c.removeDuplicates()
def test_two(): c = Canvas() c.pdk = {'M1': {'MaxL': None}, 'M2': {'MaxL': 10000}} m1 = c.addGen(Wire(nm='m1', layer='M1', direction='v', clg=UncoloredCenterLineGrid(width=400, pitch=720, repeat=2), spg=EnclosureGrid(pitch=720, stoppoint=360))) # None of the below should merge c.addWire(m1, 'a', None, 1, (0, 1), (1, 3)) c.addWire(m1, 'b', None, 1, (2, 1), (3, 3)) c.addWire(m1, 'a', None, 1, (4, 1), (5, 3)) # Append different width c.terminals.append({'layer': 'M1', 'netName': 'a', 'rect': [540, 4680, 900, 5400]}) c.addWire(m1, None, None, 1, (8, 1), (9, 3)) new_terminals = c.removeDuplicates(allow_opens=True) print(new_terminals) c.join_wires(m1) new_terminals = c.removeDuplicates(allow_opens=True) print('new:', new_terminals) c.computeBbox() fn = "__json_join_wires_two" data = {'bbox': c.bbox.toList(), 'globalRoutes': [], 'globalRouteGrid': [], 'terminals': c.removeDuplicates(allow_opens=True)} with open(mydir / (fn + "_cand"), "wt") as fp: fp.write(json.dumps( data, indent=2) + '\n') with open(mydir / (fn + "_gold"), "rt") as fp: data2 = json.load(fp) assert data == data2
def test_three(): c = Canvas() c.pdk = {'M1': {'MaxL': 5000}} m1 = c.addGen(Wire(nm='m1', layer='M1', direction='v', clg=UncoloredCenterLineGrid(width=400, pitch=720, repeat=2), spg=EnclosureGrid(pitch=720, stoppoint=360))) # Below should be merged c.addWire(m1, 'a', None, 0, (0, 1), (3, 3)) c.addWire(m1, 'a', None, 0, (4, 1), (5, 3)) # Below should be merged (but not with above) c.addWire(m1, 'a', None, 0, (6, 1), (8, 3)) c.addWire(m1, 'a', None, 0, (10, 1), (11, 3)) c.addWire(m1, 'b', None, 0, (12, 1), (13, 3)) c.addWire(m1, 'a', None, 0, (14, 1), (15, 3)) new_terminals = c.removeDuplicates(allow_opens=True) print('OLD:', new_terminals) c.join_wires(m1) new_terminals = c.removeDuplicates(allow_opens=True) print('NEW:', new_terminals) c.computeBbox() fn = "__json_join_wires_three" data = {'bbox': c.bbox.toList(), 'globalRoutes': [], 'globalRouteGrid': [], 'terminals': c.removeDuplicates(allow_opens=True)} with open(mydir / (fn + "_cand"), "wt") as fp: fp.write(json.dumps( data, indent=2) + '\n') with open(mydir / (fn + "_gold"), "rt") as fp: data2 = json.load(fp) assert data == data2