1 files changed, 8 insertions, 0 deletions
diff --git a/src/gpgpu-sim/gpu-sim.cc b/src/gpgpu-sim/gpu-sim.cc
index 1c0c6c6..4fb288b 100644
--- a/src/gpgpu-sim/gpu-sim.cc
+++ b/src/gpgpu-sim/gpu-sim.cc
@@ -720,6 +720,14 @@ void shader_core_config::reg_options(class OptionParser *opp) {
       "may share the LDST unit in one pipe slot; atomics, shared, tex, "
       "const, barriers, LDGSTS, and BRU spill/fill are still excluded.",
       "0");
+  option_parser_register(
+      opp, "-gpgpu_scoreboard_mode", OPT_UINT32, &gpgpu_scoreboard_mode,
+      "Scoreboard implementation for intra-warp co-issue hazard tracking: "
+      "0=legacy (primary + secondary tables, today's behavior), "
+      "1=mask-aware single scoreboard (entries keyed by (reg, active_mask)), "
+      "2=slot-pinned per-half scoreboards with wait-for-clean at "
+      "divergence/reconvergence. Default 0 preserves legacy behavior.",
+      "0");
 
   for (unsigned j = 0; j < SPECIALIZED_UNIT_NUM; ++j) {
     std::stringstream ss;