WiP: a monolithic top level co-sim bench #127
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The simulation runs successfully with correct Dout being read out: |
cedard234
commented
Dec 26, 2025
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| amsd { | ||
| ie vsup=0.75 tr=5p tf=5p rout=0 | ||
| ie vsup=0.75 tr=20p tf=20p rout=0 |
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use 20ps for rise/fall for pessimistic estimation
xcelium/amscf.scs
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| tran tran stop=1u noisefmax=64G noiseseed=32 annotate=status | ||
| // to disable noise, comment the above line and uncomment the line below | ||
| //tran tran stop=1u annotate=status |
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disable noise speeds up simulation by a lot
| // Digitally-controlled delay line delay sep (ps) | ||
| `define DCDL_DELAY_STEP 10.0 | ||
| // Clock distribution mean delay | ||
| `define CLK_DIST_DELAY_MU 200e-12 |
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if a parameter is used in vams context, absolute scale (instead of relative scale specificed in timescale 1ps/1fs) has to be used
cedard234
commented
Dec 26, 2025
xcelium/Makefile
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| -iereport \ | ||
| -plusperf \ | ||
| -64bit \ | ||
| -spectre_args "+preset=cx +mt=32" \ |
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use spectre x flag (cx and 32 multithread) speeds up the sim by alot
rohanku
approved these changes
Dec 30, 2025
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