innovus 中ccopt_design出错，问题请教

zhaoyg03

软件版本：15.2

本设计采用了3层金属的工艺
完成place后，进行ccopt，（为了简化问题）直接输入ccopt_design，就会出现下列ERROR。

做过的实验：
1：同样工艺，采用4层或者5层金属的设计，ERROR消失，可以进行ccopt_design
2:  按照流程，设置各种ndr(直接写在LEF中，或者写在脚本中，如下)，发现只要是是3层金属，问题依旧。

请教一下达人，难道ccopt不支持3层金属的设计？

本论坛中另外一个帖子也有同样的错误，也没看到解决方法。
http://bbs.eetop.cn/thread-863682-1-1.html

##########################################################################
add_ndr -name 2W2S_CTS -width_multiplier {M2:M3 2} -spacing_multiplier {M2:M3 2}
#dbGet head.rules.name

create_route_type -name trunk_net -non_default_rule 2W2S_CTS -top_preferred_layer 3 -bottom_preferred_layer 2
create_route_type -name leaf_net -non_default_rule 2W2S_CTS -top_preferred_layer 3 -bottom_preferred_layer 2
set_ccopt_property route_type trunk_net -net_type trunk
set_ccopt_property route_type leaf_net -net_type leaf


###  spec
create_ccopt_clock_tree_spec -file clock.spec
source clock.spec

###
#ccopt_design -cts
ccopt_design


######################################################################





<CMD> check_ccopt_clock_tree_convergence
Checking clock tree convergence...
Checking clock tree convergence done.
<CMD> get_ccopt_property auto_design_state_for_ilms
<CMD> ccopt_design
(ccopt_design): CTS Engine: auto. Used Spec: pre-existing CCOPT spec.
**ERROR: (IMPTCM-162):  "" does not match any object in design for specified type "layer " object in command "create_route_type".

Usage: create_route_type [-help] [-em_ndr_dist <float>] [-em_ndr_rule <rule_name>] -name <string> [-one_side_spacing_range <bottomLayerNum:topLayerNum] [-shield_side {one_side both_side}] [[[-non_default_rule <ndr_name>] [-shield_net <net_name>] [-bottom_shield_layer <layer>] [-top_preferred_layer <layer>] [-bottom_preferred_layer <layer>] [-preferred_routing_layer_effort {low medium high}]] | [-table <string> [-table_length_type {total source_to_sink}]]] [-mask <mask_number> [-layer_mask_range <bottomLayerNum:topLayerNum>]]

**ERROR: (IMPTCM-4):    The value "" specified for the object type of argument "-top_preferred_layer" is not valid. Review the command specification and remove the argument or specify a legal value.
**ERROR: (IMPTCM-162):  "" does not match any object in design for specified type "layer " object in command "create_route_type".

Usage: create_route_type [-help] [-em_ndr_dist <float>] [-em_ndr_rule <rule_name>] -name <string> [-one_side_spacing_range <bottomLayerNum:topLayerNum] [-shield_side {one_side both_side}] [[[-non_default_rule <ndr_name>] [-shield_net <net_name>] [-bottom_shield_layer <layer>] [-top_preferred_layer <layer>] [-bottom_preferred_layer <layer>] [-preferred_routing_layer_effort {low medium high}]] | [-table <string> [-table_length_type {total source_to_sink}]]] [-mask <mask_number> [-layer_mask_range <bottomLayerNum:topLayerNum>]]

**ERROR: (IMPTCM-4):    The value "" specified for the object type of argument "-top_preferred_layer" is not valid. Review the command specification and remove the argument or specify a legal value.
**ERROR: (IMPCCOPT-2156):       The supplied input 'default_route_type_nonleaf' does not correspond to an existing route_type object.
**ERROR: (IMPCCOPT-2149):       Invalid value for property: Could not convert value "default_route_type_nonleaf" to a compatible type.
**ERROR: (IMPCCOPT-2066):       Command 'set_ccopt_property' used with the property 'route_type' gave result ''.
For help on this property run 'set_ccopt_property -help route_type'

*** Summary of all messages that are not suppressed in this session:
Severity  ID               Count  Summary
ERROR     IMPCCOPT-2066        1  Command '%s' used with the property '%s'...
ERROR     IMPCCOPT-2149        1  Invalid value for property: %s.
ERROR     IMPCCOPT-2156        1  The supplied input '%s' does not corresp...
ERROR     IMPTCM-4             2  The value "%s" specified for the %s type...
ERROR     IMPTCM-162           2  "%s" does not match any object in design...
*** Message Summary: 0 warning(s), 7 error(s)

caesarzheng

你好，解决了吗？

zhaoyg03

caesarzheng 发表于 2020-5-15 17:53
你好，解决了吗？

没有啊，期待高人指点呢。

zhaoyg03

问题已解决。

具体如下：

采用传统的FE-CTSl流程run，但是setCTSMode -engine ck 这条命令注释掉，默认是auto，因此还是ccopt模式，结果发现ERROR，关键信息如下：
**ERROR: (IMPCK-398):   TopPreferredLayer M3 is smaller than BottomPreferredLayer M3 in CTS Mode. Use setCTSMode to change the setting.
**ERROR: (IMPCK-399):   leafTopPreferredLayer M3 is smaller than leafBottomPreferredLayer M3 in CTS Mode. Use setCTSMode to change the setting.

查看 setCTSMode帮助，发现默认的TopPreferredLayer为4，BottomPreferredLayer为3，  而本设计只有3层，因此出错。


修改如下：
setCTSMode -routeBottomPreferredLayer 2 -routeTopPreferredLayer 3 -routeLeafBottomPreferredLayer 2 -routeLeafTopPreferredLayer 3


至此，问题解决。

Lover_Momo

ccopt_design的flow都转换成set_ccopt_mode & set_ccopt_property的相关命令了。可以参考。

SpunkyGG

命令快淘汰了，不要用setCTSMode了，尽量用set_ccopt_mode

zhaoyg03

SpunkyGG 发表于 2020-5-25 11:09
命令快淘汰了，不要用setCTSMode了，尽量用set_ccopt_mode

按照您的方法，我试了一下，不行，还是同样的问题。可能这个版本还属于过渡版本，命令支持的不够完善？不懂了

xmbonny

有人找到这个命令的set_ccopt_mode写法了么？试了几种都不行，好在setCTSMode还支持。

阿炜

您好，请问
setCTSMode -routeBottomPreferredLayer 2 -routeTopPreferredLayer 3 -routeLeafBottomPreferredLayer 2 -routeLeafTopPreferredLayer 3
这个命令里的2 3是指什么，第二层第三层金属吗

zhaoyg03

duanai8246 发表于 2021-3-29 21:42
您好，请问
setCTSMode -routeBottomPreferredLayer 2 -routeTopPreferredLayer 3 -routeLeafBottomPreferr ...

是的