<@U016EM8L91B> and <@U0172QZ342D>, what could be ...
# openlaneb
Binoy B
07/08/2022, 6:00 AM@Tim Edwards and @Matt Venn, what could be the reason as to why the simulation gets stuck during power calculation phase?
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Vijayan Krishnan
07/08/2022, 6:04 AMHave you raised github issue?
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Binoy B
07/08/2022, 6:16 AMyes, I have raised the issue. I havent heard anything from them .
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Vijayan Krishnan
07/08/2022, 6:18 AMcan you share github issue link
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Binoy B
07/08/2022, 6:19 AMv
Vijayan Krishnan
07/08/2022, 6:24 AMPlease package a standalone test case with https://github.com/The-OpenROAD-Project/OpenLane/blob/master/docs/source/using_or_issue.md and file a github issue here https://github.com/The-OpenROAD-Project/OpenROAD/issues
Vijayan Krishnan
07/08/2022, 6:25 AMwithout test case its difficult to fix the issue
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Binoy B
07/08/2022, 6:25 AMNow it seems running though the flow failed. I still dont know what contributed to this
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Vijayan Krishnan
07/08/2022, 6:27 AMcheck the OpenROAD version. It may resolve it
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Binoy B
07/08/2022, 7:00 AMcould you tell how to rectify error at line 49?
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Vijayan Krishnan
07/08/2022, 7:06 AM Copy code
prediction/runs/prediction/openroad_issue_reproducibleopenroad_issue_reproducibleb
Binoy B
07/08/2022, 7:25 AMv
Vijayan Krishnan
07/08/2022, 7:33 AMwhat is your CORE_UTIL?
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Binoy B
07/08/2022, 7:34 AMI think it is 56%
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Vijayan Krishnan
07/08/2022, 7:35 AM/home/bn/neural_project/neural_network/openlane/prediction/runs/prediction/config.tclb
Binoy B
07/08/2022, 7:37 AMconfig.tcl
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Vijayan Krishnan
07/08/2022, 7:41 AMUpdate your
config.tclVijayan Krishnan
07/08/2022, 7:43 AMif there is any flow fail during floorplan to routing stage, file github issue with test case in https://github.com/The-OpenROAD-Project/OpenROAD/issues here
Vijayan Krishnan
07/08/2022, 7:46 AM/home/bn/neural_project/neural_network/openlane/prediction/config.tclVijayan Krishnan
07/08/2022, 7:46 AMshare this file also
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Binoy B
07/08/2022, 7:49 AMsure
Binoy B
07/08/2022, 7:49 AMconfig.tcl
Binoy B
07/08/2022, 7:51 AMi have modified it. Target density of .4 was suggested to be replaced with .55 by openlane
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Vijayan Krishnan
07/08/2022, 7:51 AM Copy code
# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# <http://www.apache.org/licenses/LICENSE-2.0>
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# SPDX-License-Identifier: Apache-2.0
set ::env(PDK) "sky130A"
set ::env(STD_CELL_LIBRARY) "sky130_fd_sc_hd"
set script_dir [file dirname [file normalize [info script]]]
set ::env(DESIGN_NAME) prediction
set ::env(VERILOG_FILES) "\
$::env(CARAVEL_ROOT)/verilog/rtl/defines.v \
$script_dir/../../verilog/rtl/prediction.v"
set ::env(DESIGN_IS_CORE) 0
#set ::env(STA_REPORT_POWER) 0
set ::env(CLOCK_PORT) "wb_clk_i"
set ::env(CLOCK_NET) "mul_matr.clk"
set ::env(CLOCK_PERIOD) "10"
#set ::env(FP_SIZING) absolute
#set ::env(DIE_AREA) "0 0 900 600"
set ::env(FP_PIN_ORDER_CFG) $script_dir/pin_order.cfg
set ::env(FP_CORE_UTIL) 30
set ::env(PL_BASIC_PLACEMENT) 0
set ::env(PL_TARGET_DENSITY) "0.40"
# Maximum layer used for routing is metal 4.
# This is because this macro will be inserted in a top level (user_project_wrapper)
# where the PDN is planned on metal 5. So, to avoid having shorts between routes
# in this macro and the top level metal 5 stripes, we have to restrict routes to metal4.
#
# set ::env(GLB_RT_MAXLAYER) 5
set ::env(RT_MAX_LAYER) {met4}
# You can draw more power domains if you need to
set ::env(VDD_NETS) [list {vccd1}]
set ::env(GND_NETS) [list {vssd1}]
set ::env(DIODE_INSERTION_STRATEGY) 4
# If you're going to use multiple power domains, then disable cvc run.
set ::env(RUN_CVC) 1Vijayan Krishnan
07/08/2022, 7:51 AMuse the attached file
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Binoy B
07/08/2022, 8:23 AMStill problem persists.
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Vijayan Krishnan
07/08/2022, 8:25 AMcan u share the test case produced in the run directory again
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Binoy B
07/08/2022, 8:32 AMwhat is actually a testcase?
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Vijayan Krishnan
07/08/2022, 8:36 AM Copy code
prediction/runs/prediction/openroad_issue_reproducibleb
Binoy B
07/08/2022, 8:40 AMopenroad_issue_reproducible.zip
Binoy B
07/08/2022, 9:00 AMScreenshot from 2022-07-08 13-31-16.png
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Vijayan Krishnan
07/08/2022, 9:11 AMUpdate OpenLane tag
mpw-7ampw-5Vijayan Krishnan
07/08/2022, 9:13 AMI am not facing any issue with latest OpenROAD
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Binoy B
07/08/2022, 9:38 AMi will try the flow using mpw7a. But there is no mention of mpw7a in the readme of caravel user project.
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Vijayan Krishnan
07/08/2022, 9:41 AMb
Binoy B
07/08/2022, 9:46 AMso i need to modify only makefile?
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Vijayan Krishnan
07/08/2022, 9:49 AMTry to install in new directory and copy your source file and run the flow with latest tag
Vijayan Krishnan
07/08/2022, 9:50 AMlet it be mpw5 tag as it is.
Vijayan Krishnan
07/08/2022, 9:51 AMVijayan Krishnan
07/11/2022, 10:03 AMclose your github issues by mention this.
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Binoy B
07/11/2022, 10:10 AMsorry. there was a mistake. I didnt change the module name and location. what basically run was the user_proj_example itself.
Binoy B
07/11/2022, 10:38 AMI get this error.
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Vijayan Krishnan
07/11/2022, 10:50 AMthere will be an
issue_reproducibleprediction/runs/22_07_11_15_54/