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With no user frequency set, use 1.05 * current_Fmax

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This commit is contained in:
Eddie Hung 2018-07-24 23:34:59 -07:00
parent c71212d0e1
commit 1fa738bd88
1 changed files with 4 additions and 4 deletions
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8
common/timing.cc
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@ -111,7 +111,7 @@ void assign_budget(Context *ctx)
}
if (!ctx->user_freq) {
ctx->target_freq = delay_t(1e12 / (default_slack - min_slack));
ctx->target_freq = 1e12 / (default_slack - min_slack);
if (ctx->verbose)
log_info("minimum slack for this assign = %d, target Fmax for next update = %f\n", min_slack, ctx->target_freq/1e6);
}
@ -127,7 +127,7 @@ void assign_budget(Context *ctx)
user.budget = ctx->getBudgetOverride(net.second->driver, budget);
// Post-update check
if (user.budget < 0)
if (ctx->user_freq && user.budget < 0)
log_warning("port %s.%s, connected to net '%s', has negative "
"timing budget of %fns\n",
user.cell->name.c_str(ctx), user.port.c_str(ctx), net.first.c_str(ctx),
@ -167,7 +167,7 @@ void update_budget(Context *ctx)
}
if (!ctx->user_freq) {
ctx->target_freq = delay_t(1e12 / (default_slack - min_slack));
ctx->target_freq = 1.05 * (1e12 / (default_slack - min_slack));
if (ctx->verbose)
log_info("minimum slack for this update = %d, target Fmax for next update = %f\n", min_slack, ctx->target_freq/1e6);
}
@ -184,7 +184,7 @@ void update_budget(Context *ctx)
// Post-update check
if (ctx->verbose) {
if (user.budget < 0)
if (ctx->user_freq && user.budget < 0)
log_warning("port %s.%s, connected to net '%s', has negative "
"timing budget of %fns\n",
user.cell->name.c_str(ctx), user.port.c_str(ctx), net.first.c_str(ctx),