diff --git a/ci/regression.sh b/ci/regression.sh
index c2ff7466..13d8136d 100755
--- a/ci/regression.sh
+++ b/ci/regression.sh
@@ -9,6 +9,7 @@ set -e
 ./ci/test_opencl.sh
 ./ci/test_driver.sh  
 ./ci/test_simx.sh
+./ci/test_compiler.sh
 
 # Build tests disabling extensions
 CONFIGS=-DEXT_M_DISABLE make -C hw/simulate
diff --git a/ci/test_compiler.sh b/ci/test_compiler.sh
new file mode 100644
index 00000000..14bf260f
--- /dev/null
+++ b/ci/test_compiler.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# exit when any command fails
+set -e
+
+# rebuild runtime
+make -C runtime clean
+make -C runtime
+
+# rebuild native kernel
+make -C driver/tests/dogfood clean-all
+make -C driver/tests/dogfood
+./ci/blackbox.sh --driver=vlsim --cores=1 --app=dogfood
+
+# rebuild opencl kernel
+make -C benchmarks/opencl/sgemm clean-all
+make -C benchmarks/opencl/sgemm
+./ci/blackbox.sh --driver=vlsim --cores=1 --app=sgemm
\ No newline at end of file
diff --git a/driver/opae/Makefile b/driver/opae/Makefile
index 926d0abf..1a8c6051 100644
--- a/driver/opae/Makefile
+++ b/driver/opae/Makefile
@@ -1,7 +1,7 @@
 OPAE_HOME ?= /tools/opae/1.4.0
 
-#CXXFLAGS += -std=c++11 -O2 -DNDEBUG -Wall -Wextra -pedantic -Wfatal-errors
-CXXFLAGS += -std=c++11 -O0 -g -Wall -Wextra -pedantic -Wfatal-errors
+CXXFLAGS += -std=c++11 -O2 -DNDEBUG -Wall -Wextra -pedantic -Wfatal-errors
+#CXXFLAGS += -std=c++11 -O0 -g -Wall -Wextra -pedantic -Wfatal-errors
 
 CXXFLAGS += -I../include -I$(OPAE_HOME)/include  -I../../hw
 
diff --git a/driver/simx/Makefile b/driver/simx/Makefile
index dfd8f1a6..fb3a23e2 100644
--- a/driver/simx/Makefile
+++ b/driver/simx/Makefile
@@ -3,8 +3,8 @@ PROJECT = libvortex.so
 
 SIMX_DIR = ../../simX
 
-#CXXFLAGS += -std=c++11 -O2 -Wall -Wextra -Wfatal-errors 
-CXXFLAGS += -std=c++11 -g -O0 -Wall -Wextra -Wfatal-errors
+CXXFLAGS += -std=c++11 -O2 -Wall -Wextra -Wfatal-errors 
+#CXXFLAGS += -std=c++11 -g -O0 -Wall -Wextra -Wfatal-errors
 
 CXXFLAGS += -fPIC -Wno-aligned-new -Wno-maybe-uninitialized
 CXXFLAGS += -I../include -I../../hw -I$(SIMX_DIR)
diff --git a/simX/mem.cpp b/simX/mem.cpp
index 70bb7846..42f8fbba 100644
--- a/simX/mem.cpp
+++ b/simX/mem.cpp
@@ -188,9 +188,7 @@ RAM::RAM(uint32_t num_pages, uint32_t page_size)
 }
 
 RAM::~RAM() {
-  for (auto& page : mem_) {
-    delete[] page;
-  }
+  this->clear();
 }
 
 void RAM::clear() {