Open levy-deng opened 4 months ago
Hi, the table is for macro placement, where you need to modify the input files by relaxing the fixed nodes to movable. Since you have more freedom to move nodes, the HPWL is smaller. You can download the benchmarks using the link in the readme.
For the second run with timing optimization, I don't know how you enable it, as ispd2005 benchmarks do not provide timing library, which should contain delay information. Therefore, it does not support timing optimization.
Only ICCAD 2015 benchmarks provide timing library. The json files are in the test/iccad2015.ot
folder. You can try it out.
@limbo018 Probably the report of that additional sta in Line 768 should appear after the check of timing_opt_flag
. The current version will report this line every time after legalization even if the timing optimization is not enabled.
Line 768
@enzoleo Good point. Fixed.
Hi Professor Lin,
After running this on the adaptec4 benchmark with the default json settings, I'm facing some strange behavior. I'm experiencing the issues that after the legalization step, Dreamplace decides to proceed with local optimization which fails legality checks.
Here's the config that I've modified from the default
Important things to note is that, I'm using the CPU purely.
Additionally, Using the default config for adaptec4 seems to yield whpwl of around 1.8, which is very different from the numbers shown in the table. I'm wondering if I've misconfigured the tool?