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Added log flushes after each negopt pass for clearer logging

This commit is contained in:
tondapusili 2026-02-25 12:15:46 -08:00
parent 0b46d8b201
commit 2f276d0723
1 changed files with 16 additions and 2 deletions
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18
passes/silimate/negopt.cc
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@ -81,33 +81,47 @@ struct NegoptPass : public Pass {
run_post = true;
}
constexpr int max_iterations = 100;
for (auto module : design->selected_modules()) {
if (run_pre) {
did_something = true;
while (did_something) {
for (int iter = 0; iter < max_iterations && did_something; iter++) {
did_something = false;
peepopt_pm pm(module);
pm.setup(module->selected_cells());
pm.run_manual2sub(); // Reduce manual 2's complement to subtraction first
log_flush();
pm.run_sub2neg();
log_flush();
pm.run_negexpand();
log_flush();
pm.run_negneg();
log_flush();
pm.run_negmux();
log_flush();
}
if (did_something)
log_warning("NEGOPT pre reached max iterations (%d) in module %s without convergence.\n", max_iterations, log_id(module));
}
if (run_post) {
did_something = true;
while (did_something) {
for (int iter = 0; iter < max_iterations && did_something; iter++) {
did_something = false;
peepopt_pm pm(module);
pm.setup(module->selected_cells());
pm.run_negrebuild();
log_flush();
pm.run_muxneg();
log_flush();
pm.run_neg2sub();
log_flush();
}
if (did_something)
log_warning("NEGOPT post reached max iterations (%d) in module %s without convergence.\n", max_iterations, log_id(module));
}
}
}