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Reduce predictDelay/estimateDelay to 100ps per tile

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This commit is contained in:
Eddie Hung 2018-09-04 10:10:27 -07:00
parent 24d702d0be
commit 7da5e2b525
1 changed files with 2 additions and 2 deletions
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4
xc7/delay.cc
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@ -105,7 +105,7 @@ delay_t Arch::estimateDelay(WireId src, WireId dst) const
const auto &dst_tw = torc_info->wire_to_tilewire[dst.index];
const auto &dst_info = torc_info->tiles.getTileInfo(dst_tw.getTileIndex());
return 200 * (abs(src_info.getCol() - dst_info.getCol()) + abs(src_info.getRow() - dst_info.getRow()));
return 100 * (abs(src_info.getCol() - dst_info.getCol()) + abs(src_info.getRow() - dst_info.getRow()));
}
delay_t Arch::predictDelay(const NetInfo *net_info, const PortRef &sink) const
@ -114,7 +114,7 @@ delay_t Arch::predictDelay(const NetInfo *net_info, const PortRef &sink) const
auto driver_loc = getBelLocation(driver.cell->bel);
auto sink_loc = getBelLocation(sink.cell->bel);
return 200 * (abs(driver_loc.x - sink_loc.x) + abs(driver_loc.y - sink_loc.y));
return 100 * (abs(driver_loc.x - sink_loc.x) + abs(driver_loc.y - sink_loc.y));
}
NEXTPNR_NAMESPACE_END