From c3c124bfdf4384db3b6e852b517dc8828577a3a5 Mon Sep 17 00:00:00 2001
From: Davit Grigoryan <ggc.language@gmail.com>
Date: Sun, 12 Apr 2026 01:05:57 +0000
Subject: impl thread compaction

---
 src/gpgpu-sim/gpu-sim.cc | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/gpgpu-sim/gpu-sim.cc')

diff --git a/src/gpgpu-sim/gpu-sim.cc b/src/gpgpu-sim/gpu-sim.cc
index 17c7247..7b186aa 100644
--- a/src/gpgpu-sim/gpu-sim.cc
+++ b/src/gpgpu-sim/gpu-sim.cc
@@ -681,6 +681,10 @@ void shader_core_config::reg_options(class OptionParser *opp) {
   option_parser_register(
       opp, "-gpgpu_num_simd_sets", OPT_UINT32, &gpgpu_num_simd_sets,
       "Number of SIMD sets to partition lanes into (default = 1)", "1");
+  option_parser_register(
+      opp, "-gpgpu_enable_compaction", OPT_BOOL, &gpgpu_enable_compaction,
+      "Enable thread compaction into fewer SIMD sets (default = disabled)",
+      "0");
 
   for (unsigned j = 0; j < SPECIALIZED_UNIT_NUM; ++j) {
     std::stringstream ss;
-- 
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