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| author | gatecat <gatecat@ds0.me> | 2021-08-23 21:56:42 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-08-23 21:56:42 +0100 |
| commit | 42166f2e3e4a319e0519e52ae1905db7761e322e (patch) | |
| tree | 6b4b34b50d53018b6efaaa8f39bb4b75a64ea99f | |
| parent | 897a2fccb64ac52ec4d3ce728fad91c3a5a96ff1 (diff) | |
| parent | de311e052fdb749d4acfd6608f6b416a4206e6ae (diff) | |
| download | nextpnr-42166f2e3e4a319e0519e52ae1905db7761e322e.tar.gz nextpnr-42166f2e3e4a319e0519e52ae1905db7761e322e.tar.bz2 nextpnr-42166f2e3e4a319e0519e52ae1905db7761e322e.zip | |
Merge pull request #802 from YosysHQ/gatecat/python-rt-dly
python: Allow querying route delays
| -rw-r--r-- | common/arch_pybindings_shared.h | 3 | ||||
| -rw-r--r-- | python/delay_vs_fanout.py | 10 |
2 files changed, 13 insertions, 0 deletions
diff --git a/common/arch_pybindings_shared.h b/common/arch_pybindings_shared.h index 46f1f9be..f44aa70e 100644 --- a/common/arch_pybindings_shared.h +++ b/common/arch_pybindings_shared.h @@ -27,6 +27,9 @@ fn_wrapper_2a_v<Context, decltype(&Context::addBelToRegion), &Context::addBelToR fn_wrapper_2a_v<Context, decltype(&Context::constrainCellToRegion), &Context::constrainCellToRegion, conv_from_str<IdString>, conv_from_str<IdString>>::def_wrap(ctx_cls, "constrainCellToRegion"); +fn_wrapper_2a<Context, decltype(&Context::getNetinfoRouteDelay), &Context::getNetinfoRouteDelay, pass_through<delay_t>, + addr_and_unwrap<NetInfo>, unwrap_context<PortRef &>>::def_wrap(ctx_cls, "getNetinfoRouteDelay"); + fn_wrapper_1a<Context, decltype(&Context::createNet), &Context::createNet, deref_and_wrap<NetInfo>, conv_from_str<IdString>>::def_wrap(ctx_cls, "createNet"); fn_wrapper_3a_v<Context, decltype(&Context::connectPort), &Context::connectPort, conv_from_str<IdString>, diff --git a/python/delay_vs_fanout.py b/python/delay_vs_fanout.py new file mode 100644 index 00000000..c417ac78 --- /dev/null +++ b/python/delay_vs_fanout.py @@ -0,0 +1,10 @@ +with open("delay_vs_fanout.csv", "w") as f: + print("fanout,delay", file=f) + for net_name, net in ctx.nets: + if net.driver.cell is None: + continue + if net.driver.cell.type == "DCCA": + continue # ignore global clocks + for user in net.users: + print(f"{len(net.users)},{ctx.getNetinfoRouteDelay(net, user)}", file=f) + |