diff --git a/lib/codegen/analysis/liveness.cc b/lib/codegen/analysis/liveness.cc
index 707cbaa23..2d4162ff4 100644
--- a/lib/codegen/analysis/liveness.cc
+++ b/lib/codegen/analysis/liveness.cc
@@ -37,16 +37,16 @@ void liveness::run(ir::module &mod) {
     if(layout->type != SHARED)
       continue;
     // users
-    std::set<ir::value*> users;
+    std::set<ir::user*> users;
     for(ir::value *v: layout->values){
-      users.insert(v);
       for(ir::user *u: v->get_users())
         users.insert(u);
     }
     // compute intervals
     unsigned start = INT32_MAX;
     unsigned end = 0;
-    for(ir::value *u: users){
+    for(ir::user *u: users)
+    if(indices.find(u) != indices.end()){
       start = std::min(start, indices.at(u));
       end = std::max(end, indices.at(u));
     }
diff --git a/lib/runtime/function.cc b/lib/runtime/function.cc
index 444a113db..02cceea63 100644
--- a/lib/runtime/function.cc
+++ b/lib/runtime/function.cc
@@ -231,11 +231,10 @@ std::unique_ptr<driver::module> function::make_bin(ir::module &module, driver::c
   align.run(module);
   dce.run(module);
   reassociate.run(module);
-  dce.run(module);
   cts.run(module);
+  dce.run(module);
   align.run(module);
   axes.run(module);
-//  ir::print(module, std::cout);
   layouts.run(module);
   liveness.run(module);
   allocation.run(module);
diff --git a/tests/bench/copy2d.cc b/tests/bench/copy2d.cc
index 22006aae7..f1252797e 100644
--- a/tests/bench/copy2d.cc
+++ b/tests/bench/copy2d.cc
@@ -11,17 +11,17 @@ int main() {
   // shapes to benchmark
   typedef std::tuple<std::vector<int>, std::vector<int>, std::vector<int>> config_t;
   std::vector<config_t> configs = {
-//    {{4096*4096}, {0}, {0}},
+    {{4096*4096}, {0}, {0}},
     {{4096, 4096}, {0, 1}, {1, 0}},
-//    {{4096, 4096}, {0, 1}, {1, 0}},
-//    {{4096, 4096}, {1, 0}, {0, 1}},
-//    {{4096, 4096}, {0, 1}, {0, 1}},
-//    {{256, 256, 256}, {0, 1, 2}, {0, 1, 2}},
-//    {{256, 256, 256}, {0, 1, 2}, {0, 2, 1}},
-//    {{256, 256, 256}, {1, 0, 2}, {1, 2, 0}},
-//    {{256, 256, 256}, {1, 2, 0}, {1, 0, 2}},
-//    {{256, 256, 256}, {2, 0, 1}, {0, 1, 2}},
-//    {{256, 256, 256}, {2, 1, 0}, {0, 2, 1}}
+    {{4096, 4096}, {0, 1}, {1, 0}},
+    {{4096, 4096}, {1, 0}, {0, 1}},
+    {{4096, 4096}, {0, 1}, {0, 1}},
+    {{256, 256, 256}, {0, 1, 2}, {0, 1, 2}},
+    {{256, 256, 256}, {0, 1, 2}, {0, 2, 1}},
+    {{256, 256, 256}, {1, 0, 2}, {1, 2, 0}},
+    {{256, 256, 256}, {1, 2, 0}, {1, 0, 2}},
+    {{256, 256, 256}, {2, 0, 1}, {0, 1, 2}},
+    {{256, 256, 256}, {2, 1, 0}, {0, 2, 1}}
   };
   // does the work
   std::vector<int32_t> shape;
diff --git a/tests/bench/dot.cc b/tests/bench/dot.cc
index 927f0044b..9857e9865 100644
--- a/tests/bench/dot.cc
+++ b/tests/bench/dot.cc
@@ -13,7 +13,7 @@ int main() {
   for(auto x: std::vector<std::array<bool, 2>>{{false, false}, {false, true},
                                                {true, false}, {true, true}}){
     std::vector<config_t> tmp = {
-      config_t{ord, x[0], x[1], 2048, 2048, 2048},
+      config_t{ord, x[0], x[1], 4096, 4096, 4096},
 //      config_t{ord, x[0], x[1], 16, 2048, 2048},
 //      config_t{ord, x[0], x[1], 32, 2048, 2048},
 //      config_t{ord, x[0], x[1], 64, 2048, 2048},
diff --git a/tests/unit/dot.cc b/tests/unit/dot.cc
index 38851b54d..02777fa4b 100644
--- a/tests/unit/dot.cc
+++ b/tests/unit/dot.cc
@@ -12,8 +12,8 @@ int main() {
   std::vector<config_t> configs;
   for(int TM: std::vector<int>{32, 64})
   for(int TN: std::vector<int>{32, 64})
-  for(int TK: std::vector<int>{8})
-  for(int nwarps: std::vector<int>{8})
+  for(int TK: std::vector<int>{16})
+  for(int nwarps: std::vector<int>{4})
   for(bool AT: std::array<bool, 2>{false, true})
   for(bool BT: std::array<bool, 2>{false, true}){
     configs.push_back(config_t{FLOAT, AT, BT, 128, 128, 128, TM, TN, TK, nwarps});