asap7, ihp-sg13g2: Insert fresh RC fit#3205
Merged
maliberty merged 3 commits intoJun 5, 2025
Merged
Conversation
Signed-off-by: Martin Povišer <povik@cutebit.org>
Log from asap7 fit:
$ util/correlateRC.py -cap_unit ff results/asap7/*/base/6_net_rc.csv
reading results/asap7/aes/base/6_net_rc.csv
reading results/asap7/cva6/base/6_net_rc.csv
reading results/asap7/ibex/base/6_net_rc.csv
reading results/asap7/riscv32i/base/6_net_rc.csv
# Resistance coefficient of determination: 0.9736
# Capacitance coefficient of determination: 0.9632
# Updated layer resistance kohm/um capacitance ff/um
set_layer_rc -layer M1 -resistance 7.04175E-02 -capacitance -4.85208E-02
set_layer_rc -layer M2 -resistance 4.62311E-02 -capacitance 1.84542E-01
set_layer_rc -layer M3 -resistance 3.63251E-02 -capacitance 1.53955E-01
set_layer_rc -layer M4 -resistance 2.03083E-02 -capacitance 1.89434E-01
set_layer_rc -layer M5 -resistance 1.93005E-02 -capacitance 1.71593E-01
set_layer_rc -layer M6 -resistance 1.18619E-02 -capacitance 1.76146E-01
set_layer_rc -layer M7 -resistance 1.25311E-02 -capacitance 1.47030E-01
# Combined fit:
set_wire_rc -resistance 3.26320E-02 -capacitance 1.72845E-01
# Split signal/clock fit:
set_wire_rc -signal -resistance 3.23151E-02 -capacitance 1.73323E-01
set_wire_rc -clock -resistance 5.13971E-02 -capacitance 1.44549E-01
Log from ihp-sg13g2 fit:
$ util/correlateRC.py results/ihp-sg13g2/*/base/6_net_rc.csv
reading results/ihp-sg13g2/aes/base/6_net_rc.csv
reading results/ihp-sg13g2/gcd/base/6_net_rc.csv
reading results/ihp-sg13g2/ibex/base/6_net_rc.csv
reading results/ihp-sg13g2/riscv32i/base/6_net_rc.csv
reading results/ihp-sg13g2/spi/base/6_net_rc.csv
# Resistance coefficient of determination: 0.7364
# Capacitance coefficient of determination: 0.9689
# Updated layer resistance kohm/um capacitance pf/um
set_layer_rc -layer Metal1 -resistance 8.54576E-03 -capacitance -1.05290E-05
set_layer_rc -layer Metal2 -resistance 2.53519E-03 -capacitance 1.69121E-04
set_layer_rc -layer Metal3 -resistance 1.54329E-03 -capacitance 1.82832E-04
set_layer_rc -layer Metal4 -resistance 6.31424E-04 -capacitance 1.66454E-04
set_layer_rc -layer Metal5 -resistance 6.84051E-04 -capacitance 8.57431E-05
# Combined fit:
set_wire_rc -resistance 2.08008E-03 -capacitance 1.72560E-04
# Split signal/clock fit:
set_wire_rc -signal -resistance 2.07259E-03 -capacitance 1.73072E-04
set_wire_rc -clock -resistance 2.48603E-03 -capacitance 1.44812E-04
Signed-off-by: Martin Povišer <povik@cutebit.org>
Contributor
|
Dashboard results; timing-wise an improvement up to few exceptions |
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
maliberty
reviewed
Jun 5, 2025
Comment on lines
+10
to
+11
| set_wire_rc -signal -resistance 3.23151E-02 -capacitance 1.73323E-01 | ||
| set_wire_rc -clock -resistance 5.13971E-02 -capacitance 1.44549E-01 |
Member
There was a problem hiding this comment.
This seems odd as the clock is routed on M4-M7 which signals are on M2-M7. I would expect clocks to see less resistance.
Contributor
There was a problem hiding this comment.
Clocks might be seeing more via resistance. I double-checked clocks and signals aren't swapped.
maliberty
approved these changes
Jun 5, 2025
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
4 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Nothing to update
Updated Rules
designs/asap7/aes/rules-base.json updates:
designs/asap7/aes-block/rules-base.json updates:
designs/asap7/aes-mbff/rules-base.json updates:
designs/asap7/aes_lvt/rules-base.json updates:
designs/asap7/ethmac/rules-base.json updates:
[WARNING] Multiple clocks not supported. Will use first clock: mrx_clk_pad_i: 300.0000.
designs/asap7/ethmac_lvt/rules-base.json updates:
[WARNING] Multiple clocks not supported. Will use first clock: mrx_clk_pad_i: 300.0000.
designs/asap7/gcd/rules-base.json updates:
designs/asap7/gcd-ccs/rules-base.json updates:
designs/asap7/ibex/rules-base.json updates:
designs/asap7/jpeg/rules-base.json updates:
designs/asap7/jpeg_lvt/rules-base.json updates:
designs/asap7/mock-alu/rules-base.json updates:
designs/asap7/mock-array/rules-base.json updates:
designs/asap7/riscv32i/rules-base.json updates:
designs/asap7/riscv32i-mock-sram/rules-base.json updates:
designs/asap7/uart/rules-base.json updates:
designs/gf180/aes/rules-base.json updates:
designs/gf180/aes-hybrid/rules-base.json updates:
designs/gf180/ibex/rules-base.json updates:
designs/gf180/jpeg/rules-base.json updates:
designs/gf180/riscv32i/rules-base.json updates:
designs/gf180/uart-blocks/rules-base.json updates:
designs/ihp-sg13g2/aes/rules-base.json updates:
designs/ihp-sg13g2/gcd/rules-base.json updates:
designs/ihp-sg13g2/i2c-gpio-expander/rules-base.json updates:
designs/ihp-sg13g2/ibex/rules-base.json updates:
designs/ihp-sg13g2/jpeg/rules-base.json updates:
designs/ihp-sg13g2/riscv32i/rules-base.json updates:
designs/ihp-sg13g2/spi/rules-base.json updates:
designs/nangate45/aes/rules-base.json updates:
designs/nangate45/ariane133/rules-base.json updates:
designs/nangate45/bp_be_top/rules-base.json updates:
designs/nangate45/bp_fe_top/rules-base.json updates:
designs/nangate45/bp_multi_top/rules-base.json updates:
designs/nangate45/dynamic_node/rules-base.json updates:
designs/nangate45/gcd/rules-base.json updates:
designs/nangate45/ibex/rules-base.json updates:
designs/nangate45/jpeg/rules-base.json updates:
designs/nangate45/swerv/rules-base.json updates:
designs/nangate45/swerv_wrapper/rules-base.json updates:
designs/nangate45/tinyRocket/rules-base.json updates:
designs/sky130hd/aes/rules-base.json updates:
designs/sky130hd/chameleon/rules-base.json updates:
designs/sky130hd/gcd/rules-base.json updates:
designs/sky130hd/ibex/rules-base.json updates:
designs/sky130hd/jpeg/rules-base.json updates:
designs/sky130hd/microwatt/rules-base.json updates:
[WARNING] Multiple clocks not supported. Will use first clock: ext_clk: 15.0000.
designs/sky130hd/riscv32i/rules-base.json updates:
designs/sky130hs/aes/rules-base.json updates:
designs/sky130hs/gcd/rules-base.json updates:
designs/sky130hs/ibex/rules-base.json updates:
designs/sky130hs/jpeg/rules-base.json updates:
designs/sky130hs/riscv32i/rules-base.json updates:
Messages from CI
[INFO] asap7/cva6 not included in CI.
[INFO] asap7/minimal not included in CI.
[INFO] asap7/mock-cpu set to not run for this PR.
[INFO] asap7/swerv_wrapper set to not run for this PR.
[INFO] gf12 not included in the update.
[INFO] gf55 not included in the update.
[INFO] nangate45/ariane136 set to not run for this PR.
[INFO] nangate45/black_parrot set to not run for this PR.
[INFO] nangate45/bp_quad not included in CI.
[INFO] nangate45/mempool_group not included in CI.
[INFO] src not included in the update.