diff --git a/.travis.yml b/.travis.yml
index c99682f17..c6f8579f5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,7 +27,7 @@ script:
   - travis_wait 45 ci/test_opencl.sh
   - travis_wait 45 ci/blackbox.sh --driver=rtlsim
   - travis_wait 45 ci/blackbox.sh --driver=vlsim
-  - travis_wait 45 ci/blackbox.sh --driver=vlsim --scope
+  - travis_wait 45 ci/blackbox.sh --driver=vlsim --cores=1 --scope --app=demo --args="-n1"
   - travis_wait 45 ci/blackbox.sh --driver=vlsim --debug
   - travis_wait 45 ci/blackbox.sh --driver=vlsim --cores=1 
   - travis_wait 45 ci/blackbox.sh --driver=vlsim --cores=2
diff --git a/ci/blackbox.sh b/ci/blackbox.sh
index b87486e85..42f3ecb51 100755
--- a/ci/blackbox.sh
+++ b/ci/blackbox.sh
@@ -6,7 +6,7 @@ set -e
 show_usage()
 {
     echo "Vortex BlackBox Test Driver v1.0"
-    echo "Usage: [[--clusters=#n] [--cores=#n] [--warps=#n] [--threads=#n] [--l2cache] [[--driver=rtlsim|vlsim] [--debug] [--scope] [--app=vecadd|sgemm|basic|demo|dogfood][--help]]"
+    echo "Usage: [[--clusters=#n] [--cores=#n] [--warps=#n] [--threads=#n] [--l2cache] [[--driver=rtlsim|vlsim] [--debug] [--scope] [--app=vecadd|sgemm|basic|demo|dogfood] [--args=<args>] [--help]]"
 }
 
 DRIVER=vlsim
@@ -18,6 +18,7 @@ THREADS=4
 L2=0
 DEBUG=0
 SCOPE=0
+HAS_ARGS=0
 
 for i in "$@"
 do
@@ -58,6 +59,11 @@ case $i in
         SCOPE=1
         shift
         ;;
+    --args=*)
+        ARGS=${i#*=}
+        HAS_ARGS=1
+        shift
+        ;;
     --help)
         show_usage
         exit
@@ -120,7 +126,13 @@ then
     else
         DEBUG=1 CONFIGS="$CONFIGS" make -C $DRIVER_PATH $DRIVER_EXTRA > build.log 2>&1
     fi    
-    make -C $APP_PATH run-$DRIVER > run.log 2>&1
+    
+    if [ $HAS_ARGS -eq 1 ]
+    then
+        OPTS=$ARGS make -C $APP_PATH run-$DRIVER > run.log 2>&1
+    else
+        make -C $APP_PATH run-$DRIVER > run.log 2>&1
+    fi
 else
     if [ $SCOPE -eq 1 ]
     then
@@ -128,5 +140,11 @@ else
     else
         CONFIGS="$CONFIGS" make -C $DRIVER_PATH $DRIVER_EXTRA > build.log 2>&1
     fi
-    make -C $APP_PATH run-$DRIVER
+    
+    if [ $HAS_ARGS -eq 1 ]
+    then
+        OPTS=$ARGS make -C $APP_PATH run-$DRIVER
+    else
+        make -C $APP_PATH run-$DRIVER
+    fi
 fi
\ No newline at end of file
diff --git a/driver/opae/vlsim/Makefile b/driver/opae/vlsim/Makefile
index 56352e661..675e28024 100644
--- a/driver/opae/vlsim/Makefile
+++ b/driver/opae/vlsim/Makefile
@@ -60,7 +60,7 @@ VL_FLAGS += verilator.vlt
 
 # Debugigng
 ifdef DEBUG
-	VL_FLAGS += -DVCD_OUTPUT --assert --trace --trace-structs $(DBG_FLAGS)
+	VL_FLAGS += -DVCD_OUTPUT --trace --trace-structs $(DBG_FLAGS)
 	CFLAGS   += -DVCD_OUTPUT $(DBG_FLAGS)
 else    
 	VL_FLAGS += -DNDEBUG
diff --git a/driver/rtlsim/Makefile b/driver/rtlsim/Makefile
index 9ccb229bc..0d4532af6 100644
--- a/driver/rtlsim/Makefile
+++ b/driver/rtlsim/Makefile
@@ -46,7 +46,7 @@ SRCS += $(RTL_DIR)/fp_cores/svdpi/float_dpi.cpp
 FPU_INCLUDE = -I$(RTL_DIR)/fp_cores -I$(RTL_DIR)/fp_cores/svdpi -I$(RTL_DIR)/fp_cores/fpnew/src/common_cells/include -I$(RTL_DIR)/fp_cores/fpnew/src/common_cells/src -I$(RTL_DIR)/fp_cores/fpnew/src/fpu_div_sqrt_mvp/hdl -I$(RTL_DIR)/fp_cores/fpnew/src 
 RTL_INCLUDE = -I$(RTL_DIR) -I$(RTL_DIR)/libs -I$(RTL_DIR)/interfaces -I$(RTL_DIR)/cache $(FPU_INCLUDE)
 
-VL_FLAGS += --language 1800-2009 --assert -Wall -Wpedantic $(CONFIGS)
+VL_FLAGS += -O2 --language 1800-2009 --assert -Wall -Wpedantic $(CONFIGS)
 VL_FLAGS += -Wno-DECLFILENAME
 VL_FLAGS += --x-initial unique --x-assign unique
 VL_FLAGS += verilator.vlt
@@ -57,7 +57,7 @@ VL_FLAGS += verilator.vlt
 
 # Debugigng
 ifdef DEBUG
-	VL_FLAGS += -DVCD_OUTPUT --assert --trace --trace-structs $(DBG_FLAGS)
+	VL_FLAGS += -DVCD_OUTPUT --trace --trace-structs $(DBG_FLAGS)
 	CFLAGS   += -DVCD_OUTPUT $(DBG_FLAGS)
 else    
 	VL_FLAGS += -DNDEBUG
diff --git a/driver/tests/basic/Makefile b/driver/tests/basic/Makefile
index 30d7053ed..92456e48d 100644
--- a/driver/tests/basic/Makefile
+++ b/driver/tests/basic/Makefile
@@ -15,8 +15,8 @@ VX_LDFLAGS += $(VORTEX_RT_PATH)/libvortexrt.a
 
 VX_SRCS = kernel.c
 
-CXXFLAGS += -std=c++11 -O2 -Wall -Wextra -pedantic -Wfatal-errors
-#CXXFLAGS += -std=c++11 -O0 -g -Wall -Wextra -pedantic -Wfatal-errors
+#CXXFLAGS += -std=c++11 -O2 -Wall -Wextra -pedantic -Wfatal-errors
+CXXFLAGS += -std=c++11 -O0 -g -Wall -Wextra -pedantic -Wfatal-errors
 
 CXXFLAGS += -I../../include
 
diff --git a/driver/tests/demo/Makefile b/driver/tests/demo/Makefile
index 400186a44..244bcd148 100644
--- a/driver/tests/demo/Makefile
+++ b/driver/tests/demo/Makefile
@@ -15,8 +15,8 @@ VX_LDFLAGS += $(VORTEX_RT_PATH)/libvortexrt.a
 
 VX_SRCS = kernel.c
 
-CXXFLAGS += -std=c++11 -O2 -Wall -Wextra -pedantic -Wfatal-errors
-#CXXFLAGS += -std=c++11 -O0 -g -Wall -Wextra -pedantic -Wfatal-errors
+#CXXFLAGS += -std=c++11 -O2 -Wall -Wextra -pedantic -Wfatal-errors
+CXXFLAGS += -std=c++11 -O0 -g -Wall -Wextra -pedantic -Wfatal-errors
 
 CXXFLAGS += -I../../include
 
@@ -45,7 +45,7 @@ run-ase: $(PROJECT)
 	ASE_LOG=0 LD_LIBRARY_PATH=../../opae/ase:$(LD_LIBRARY_PATH) ./$(PROJECT) $(OPTS)
 
 run-vlsim: $(PROJECT)
-	ASE_LOG=0 LD_LIBRARY_PATH=../../opae/vlsim:$(LD_LIBRARY_PATH) ./$(PROJECT) $(OPTS)
+	LD_LIBRARY_PATH=../../opae/vlsim:$(LD_LIBRARY_PATH) ./$(PROJECT) $(OPTS)
 
 run-rtlsim: $(PROJECT)
 	LD_LIBRARY_PATH=../../rtlsim:$(LD_LIBRARY_PATH) ./$(PROJECT) $(OPTS)
diff --git a/driver/tests/dogfood/Makefile b/driver/tests/dogfood/Makefile
index 19569b2a1..1bf81cc17 100644
--- a/driver/tests/dogfood/Makefile
+++ b/driver/tests/dogfood/Makefile
@@ -16,8 +16,8 @@ VX_LDFLAGS += -lm
 
 VX_SRCS = kernel.c
 
-CXXFLAGS += -std=c++11 -O2 -Wall -Wextra -pedantic -Wfatal-errors
-#CXXFLAGS += -std=c++11 -O0 -g -Wall -Wextra -pedantic -Wfatal-errors
+#CXXFLAGS += -std=c++11 -O2 -Wall -Wextra -pedantic -Wfatal-errors
+CXXFLAGS += -std=c++11 -O0 -g -Wall -Wextra -pedantic -Wfatal-errors
 
 CXXFLAGS += -I../../include -I../../../hw
 
diff --git a/hw/opae/VX_avs_wrapper.v b/hw/opae/VX_avs_wrapper.v
index 985bec986..ff0b5f988 100644
--- a/hw/opae/VX_avs_wrapper.v
+++ b/hw/opae/VX_avs_wrapper.v
@@ -116,9 +116,9 @@ module VX_avs_wrapper #(
     always @(posedge clk) begin
         if (dram_req_valid && dram_req_ready) begin
             if (dram_req_rw) 
-                $display("%t: AVS Wr Req: addr=%0h, byteen=%0h, tag=%0h, data=%0h", $time, `DRAM_TO_BYTE_ADDR(dram_req_addr), dram_req_byteen, dram_req_tag, dram_req_data);                
+                $display("%t: AVS Wr Req: addr=%0h, byteen=%0h, tag=%0h, data=%0h", $time, `TO_FULL_ADDR(dram_req_addr), dram_req_byteen, dram_req_tag, dram_req_data);                
             else    
-                $display("%t: AVS Rd Req: addr=%0h, byteen=%0h, tag=%0h, pending=%0d", $time, `DRAM_TO_BYTE_ADDR(dram_req_addr), dram_req_byteen, dram_req_tag, avs_pending_reads_n);
+                $display("%t: AVS Rd Req: addr=%0h, byteen=%0h, tag=%0h, pending=%0d", $time, `TO_FULL_ADDR(dram_req_addr), dram_req_byteen, dram_req_tag, avs_pending_reads_n);
         end   
         if (dram_rsp_valid && dram_rsp_ready) begin
             $display("%t: AVS Rd Rsp: tag=%0h, data=%0h, pending=%0d", $time, dram_rsp_tag, dram_rsp_data, avs_pending_reads_n);
diff --git a/hw/opae/vortex_afu.sv b/hw/opae/vortex_afu.sv
index 17142b360..c708fbcbf 100644
--- a/hw/opae/vortex_afu.sv
+++ b/hw/opae/vortex_afu.sv
@@ -912,7 +912,7 @@ always @(posedge clk) begin
       vx_snp_req_addr <= vx_snp_req_addr + `VX_DRAM_ADDR_WIDTH'(1);
       snp_req_ctr     <= snp_req_ctr_next;
     `ifdef DBG_PRINT_OPAE
-      $display("%t: AFU Snp Req: addr=%0h, tag=%0h, rem=%0d", $time, `DRAM_TO_BYTE_ADDR(vx_snp_req_addr), (`VX_SNP_TAG_WIDTH)'(vx_snp_req_tag), (snp_req_size - snp_req_ctr_next));
+      $display("%t: AFU Snp Req: addr=%0h, tag=%0h, rem=%0d", $time, `TO_FULL_ADDR(vx_snp_req_addr), (`VX_SNP_TAG_WIDTH)'(vx_snp_req_tag), (snp_req_size - snp_req_ctr_next));
     `endif
     end
 
diff --git a/hw/rtl/VX_define.vh b/hw/rtl/VX_define.vh
index 4f679b2a2..ddddb1a9d 100644
--- a/hw/rtl/VX_define.vh
+++ b/hw/rtl/VX_define.vh
@@ -413,7 +413,7 @@
 `define VX_CORE_TAG_WIDTH       `L3CORE_TAG_WIDTH 
 `define VX_CSR_ID_WIDTH         `LOG2UP(`NUM_CLUSTERS * `NUM_CORES)
 
-`define DRAM_TO_BYTE_ADDR(x)    {x, (32-$bits(x))'(0)}
+`define TO_FULL_ADDR(x)    {x, (32-$bits(x))'(0)}
 
 `include "VX_types.vh"
 
diff --git a/hw/rtl/Vortex.v b/hw/rtl/Vortex.v
index f6826c43f..18f0bdbd2 100644
--- a/hw/rtl/Vortex.v
+++ b/hw/rtl/Vortex.v
@@ -462,7 +462,7 @@ module Vortex (
     `SCOPE_ASSIGN (reset, reset);
 
     `SCOPE_ASSIGN (dram_req_fire,  dram_req_valid && dram_req_ready);
-    `SCOPE_ASSIGN (dram_req_addr,  {dram_req_addr, 4'b0});
+    `SCOPE_ASSIGN (dram_req_addr,  `TO_FULL_ADDR(dram_req_addr));
     `SCOPE_ASSIGN (dram_req_rw,    dram_req_rw);
     `SCOPE_ASSIGN (dram_req_byteen,dram_req_byteen);
     `SCOPE_ASSIGN (dram_req_data,  dram_req_data);
@@ -472,15 +472,15 @@ module Vortex (
     `SCOPE_ASSIGN (dram_rsp_data,  dram_rsp_data);
     `SCOPE_ASSIGN (dram_rsp_tag,   dram_rsp_tag);
 
-    `SCOPE_ASSIGN (snp_req_fire, snp_req_valid && snp_req_ready);
-    `SCOPE_ASSIGN (snp_req_addr,  {snp_req_addr, 4'b0});
+    `SCOPE_ASSIGN (snp_req_fire,  snp_req_valid && snp_req_ready);
+    `SCOPE_ASSIGN (snp_req_addr,  `TO_FULL_ADDR(snp_req_addr));
     `SCOPE_ASSIGN (snp_req_invalidate, snp_req_invalidate);
     `SCOPE_ASSIGN (snp_req_tag,   snp_req_tag);
 
-    `SCOPE_ASSIGN (snp_rsp_fire, snp_rsp_valid && snp_rsp_ready);
+    `SCOPE_ASSIGN (snp_rsp_fire,  snp_rsp_valid && snp_rsp_ready);
     `SCOPE_ASSIGN (snp_rsp_tag,   snp_rsp_tag);
 
-    `SCOPE_ASSIGN (snp_rsp_fire, snp_rsp_valid && snp_rsp_ready);
+    `SCOPE_ASSIGN (snp_rsp_fire,  snp_rsp_valid && snp_rsp_ready);
     `SCOPE_ASSIGN (snp_rsp_tag,   snp_rsp_tag);
 
     `SCOPE_ASSIGN (busy, busy);
@@ -488,7 +488,7 @@ module Vortex (
 `ifdef DBG_PRINT_DRAM
     always @(posedge clk) begin
         if (dram_req_valid && dram_req_ready) begin
-            $display("%t: DRAM req: rw=%b addr=%0h, tag=%0h, byteen=%0h data=%0h", $time, dram_req_rw, `DRAM_TO_BYTE_ADDR(dram_req_addr), dram_req_tag, dram_req_byteen, dram_req_data);
+            $display("%t: DRAM req: rw=%b addr=%0h, tag=%0h, byteen=%0h data=%0h", $time, dram_req_rw, `TO_FULL_ADDR(dram_req_addr), dram_req_tag, dram_req_byteen, dram_req_data);
         end
         if (dram_rsp_valid && dram_rsp_ready) begin
             $display("%t: DRAM rsp: tag=%0h, data=%0h", $time, dram_rsp_tag, dram_rsp_data);
diff --git a/hw/rtl/cache/VX_cache_config.vh b/hw/rtl/cache/VX_cache_config.vh
index 85c57d3f0..474e16c17 100644
--- a/hw/rtl/cache/VX_cache_config.vh
+++ b/hw/rtl/cache/VX_cache_config.vh
@@ -80,6 +80,6 @@
 
 `define LINE_TO_BYTE_ADDR(x, i) {x, (32-$bits(x))'(i << (32-$bits(x)-`BANK_SELECT_BITS))}
 
-`define DRAM_TO_BYTE_ADDR(x)    {x, (32-$bits(x))'(0)}
+`define TO_FULL_ADDR(x)    {x, (32-$bits(x))'(0)}
 
 `endif
diff --git a/hw/rtl/cache/VX_snp_forwarder.v b/hw/rtl/cache/VX_snp_forwarder.v
index ff201f0fd..80e39cd28 100644
--- a/hw/rtl/cache/VX_snp_forwarder.v
+++ b/hw/rtl/cache/VX_snp_forwarder.v
@@ -201,10 +201,10 @@ module VX_snp_forwarder #(
 `ifdef DBG_PRINT_CACHE_SNP
      always @(posedge clk) begin
         if (snp_req_valid && snp_req_ready) begin
-            $display("%t: cache%0d snp-fwd-req: addr=%0h, invalidate=%0d, tag=%0h", $time, CACHE_ID, `DRAM_TO_BYTE_ADDR(snp_req_addr), snp_req_invalidate, snp_req_tag);
+            $display("%t: cache%0d snp-fwd-req: addr=%0h, invalidate=%0d, tag=%0h", $time, CACHE_ID, `TO_FULL_ADDR(snp_req_addr), snp_req_invalidate, snp_req_tag);
         end
         if (snp_fwdout_valid[0] && snp_fwdout_ready[0]) begin
-            $display("%t: cache%0d snp-fwd-out: addr=%0h, invalidate=%0d, tag=%0h", $time, CACHE_ID, `DRAM_TO_BYTE_ADDR(snp_fwdout_addr[0]), snp_fwdout_invalidate[0], snp_fwdout_tag[0]);
+            $display("%t: cache%0d snp-fwd-out: addr=%0h, invalidate=%0d, tag=%0h", $time, CACHE_ID, `TO_FULL_ADDR(snp_fwdout_addr[0]), snp_fwdout_invalidate[0], snp_fwdout_tag[0]);
         end
         if (fwdin_valid && fwdin_ready) begin
             $display("%t: cache%0d snp-fwd-in: tag=%0h", $time, CACHE_ID, fwdin_tag);