diff options
Diffstat (limited to 'common/timing.cc')
| -rw-r--r-- | common/timing.cc | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/common/timing.cc b/common/timing.cc index cefe36f0..5534b1c8 100644 --- a/common/timing.cc +++ b/common/timing.cc @@ -180,10 +180,7 @@ void update_budget(Context *ctx) // If user has not specified a frequency, adjust the frequency dynamically: if (!ctx->user_freq) { - if (min_slack < 0) - ctx->target_freq = 1e12 / (default_slack - 0.99 * min_slack); - else - ctx->target_freq = 1e12 / (default_slack - 1.05 * min_slack); + ctx->target_freq = 1e12 / (default_slack - min_slack); if (ctx->verbose) log_info("minimum slack for this update = %d, target Fmax for next update = %.2f MHz\n", min_slack, ctx->target_freq / 1e6); @@ -197,7 +194,7 @@ void update_budget(Context *ctx) auto it = updates.find(pi); if (it == updates.end()) continue; - user.budget = ctx->getNetinfoRouteDelay(net.second.get(), i) + it->second; + user.budget = ctx->getNetinfoRouteDelay(net.second.get(), i) - it->second; // Post-update check if (ctx->verbose) { @@ -236,8 +233,8 @@ void compute_fmax(Context *ctx, bool print_fmax, bool print_path) auto net = port.net; unsigned i = 0; for (auto &usr : net->users) - if (&usr == sink) - break; + if (&usr == sink) break; + else ++i; auto &driver = net->driver; auto driver_cell = driver.cell; delay_t comb_delay; |