ext: Add a McPAT regression tester

Add a regression tester to McPAT. Joel Hestness wrote these tests and Yasuko
Eckert modified them to reflect the new McPAT interface and other changes
the previous patch made.

2 files changed, 153 insertions, 0 deletions

diff --git a/ext/mcpat/regression/test-3/power_region0.xml b/ext/mcpat/regression/test-3/power_region0.xml
new file mode 100644
index 000000000..80c8c113c
--- /dev/null
+++ b/ext/mcpat/regression/test-3/power_region0.xml
@@ -0,0 +1,71 @@
+<?xml version="1.0" ?>
+<component id="root" name="root">
+	<component id="system" name="system" type="System">
+		<param name="core_tech_node" value="40"/>
+		<param name="target_core_clockrate" value="1000"/>
+		<param name="temperature" value="360"/>
+		<param name="interconnect_projection_type" value="0"/>
+		<param name="device_type" value="0"/>
+		<param name="machine_bits" value="64"/>
+		<param name="virtual_address_width" value="64"/>
+		<param name="physical_address_width" value="52"/>
+		<param name="virtual_memory_page_size" value="4096"/>
+		<param name="wire_is_mat_type" value="2"/>
+		<param name="wire_os_mat_type" value="2"/>
+		<param name="delay_wt" value="100"/>
+		<param name="area_wt" value="0"/>
+		<param name="dynamic_power_wt" value="100"/>
+		<param name="leakage_power_wt" value="0"/>
+		<param name="cycle_time_wt" value="0"/>
+		<param name="delay_dev" value="10000"/>
+		<param name="area_dev" value="10000"/>
+		<param name="dynamic_power_dev" value="10000"/>
+		<param name="leakage_power_dev" value="10000"/>
+		<param name="cycle_time_dev" value="10000"/>
+		<param name="ed" value="2"/>
+		<param name="burst_len" value="1"/>
+		<param name="int_prefetch_w" value="1"/>
+		<param name="page_sz_bits" value="0"/>
+		<param name="rpters_in_htree" value="1"/>
+		<param name="ver_htree_wires_over_array" value="0"/>
+		<param name="nuca" value="0"/>
+		<param name="nuca_bank_count" value="0"/>
+		<param name="force_cache_config" value="0"/>
+		<param name="wt" value="0"/>
+		<param name="force_wiretype" value="0"/>
+		<param name="print_detail" value="1"/>
+		<param name="add_ecc_b_" value="1"/>
+		<stat name="total_cycles" value="1856694"/>
+		<component id="system.mc" name="mc" type="MemoryController">
+			<param name="mc_clock" value="800"/>
+			<param name="tech_type" value="0"/>
+			<param name="mc_type" value="0"/>
+			<param name="num_mcs" value="1"/>
+			<param name="type" value="0"/>
+			<param name="LVDS" value="1"/>
+			<param name="withPHY" value="0"/>
+			<param name="llc_line_length" value="64"/>
+			<param name="memory_channels_per_mc" value="2"/>
+			<param name="req_window_size_per_channel" value="128"/>
+			<param name="IO_buffer_size_per_channel" value="128"/>
+			<param name="databus_width" value="128"/>
+			<param name="addressbus_width" value="51"/>
+			<param name="opcode_width" value="16"/>
+			<param name="peak_transfer_rate" value="6400"/>
+			<param name="number_ranks" value="2"/>
+			<param name="reorder_buffer_assoc" value="0"/>
+			<param name="reorder_buffer_nbanks" value="1"/>
+			<param name="read_buffer_assoc" value="1"/>
+			<param name="read_buffer_nbanks" value="1"/>
+			<param name="read_buffer_tag_width" value="0"/>
+			<param name="write_buffer_assoc" value="1"/>
+			<param name="write_buffer_nbanks" value="1"/>
+			<param name="write_buffer_tag_width" value="0"/>
+			<param name="wire_mat_type" value="2"/>
+			<param name="wire_type" value="0"/>
+			<stat name="memory_reads" value="5454"/>
+			<stat name="memory_writes" value="2424"/>
+			<stat name="duty_cycle" value="0.5"/>
+		</component>
+	</component>
+</component>
diff --git a/ext/mcpat/regression/test-3/region0.out.ref b/ext/mcpat/regression/test-3/region0.out.ref
new file mode 100644
index 000000000..64cfc03bb
--- /dev/null
+++ b/ext/mcpat/regression/test-3/region0.out.ref
@@ -0,0 +1,82 @@
+McPAT (version 0.8 of Aug, 2010) is computing the target processor...
+ 
+
+McPAT (version 0.8 of Aug, 2010) results  (current print level is 5)
+*****************************************************************************************
+  Technology 40 nm
+  Interconnect metal projection = aggressive interconnect technology projection
+  Target Clock Rate (MHz) 1000
+
+*****************************************************************************************
+  System:
+    Area = 10.1619 mm^2
+    Peak Dynamic Power = 0.802936 W
+    Subthreshold Leakage Power = 0.435736 W
+    Gate Leakage Power = 0.0339261 W
+    Runtime Dynamic Power = 0.0198915 W
+    Runtime Dynamic Energy = 3.69324e-05 J
+    Total Runtime Energy = 0.00090895 J
+
+      Memory Controller:
+        Area = 10.1619 mm^2
+        Peak Dynamic Power = 0.802936 W
+        Subthreshold Leakage Power = 0.435736 W
+        Gate Leakage Power = 0.0339261 W
+        Runtime Dynamic Power = 0.0198915 W
+        Runtime Dynamic Energy = 3.69324e-05 J
+        Total Runtime Energy = 0.00090895 J
+
+          Front End:
+            Area = 0.538603 mm^2
+            Peak Dynamic Power = 0.152914 W
+            Subthreshold Leakage Power = 0.0224588 W
+            Gate Leakage Power = 0.00133997 W
+            Runtime Dynamic Power = 0.00210718 W
+            Runtime Dynamic Energy = 3.91238e-06 J
+            Total Runtime Energy = 4.80994e-05 J
+
+              Reorder Buffer:
+                Area = 0.242439 mm^2
+                Peak Dynamic Power = 0.116672 W
+                Subthreshold Leakage Power = 0.0135852 W
+                Gate Leakage Power = 0.000923575 W
+                Runtime Dynamic Power = 0.00165964 W
+                Runtime Dynamic Energy = 3.08145e-06 J
+                Total Runtime Energy = 3.00199e-05 J
+
+              Read Buffer:
+                Area = 0.148082 mm^2
+                Peak Dynamic Power = 0.018121 W
+                Subthreshold Leakage Power = 0.00443679 W
+                Gate Leakage Power = 0.000208199 W
+                Runtime Dynamic Power = 0.00026615 W
+                Runtime Dynamic Energy = 4.9416e-07 J
+                Total Runtime Energy = 9.11848e-06 J
+
+              Write Buffer:
+                Area = 0.148082 mm^2
+                Peak Dynamic Power = 0.018121 W
+                Subthreshold Leakage Power = 0.00443679 W
+                Gate Leakage Power = 0.000208199 W
+                Runtime Dynamic Power = 0.000181383 W
+                Runtime Dynamic Energy = 3.36773e-07 J
+                Total Runtime Energy = 8.9611e-06 J
+
+          Transaction Engine:
+            Area = 3.27456 mm^2
+            Peak Dynamic Power = 0.650022 W
+            Subthreshold Leakage Power = 0.140627 W
+            Gate Leakage Power = 0.0110882 W
+            Runtime Dynamic Power = 0.00689515 W
+            Runtime Dynamic Energy = 1.28022e-05 J
+            Total Runtime Energy = 0.000294491 J
+
+          Physical Interface (PHY):
+            Area = 6.34878 mm^2
+            Peak Dynamic Power = 1.09577e-09 W
+            Subthreshold Leakage Power = 0.27265 W
+            Gate Leakage Power = 0.0214979 W
+            Runtime Dynamic Power = 0.0108891 W
+            Runtime Dynamic Energy = 2.02178e-05 J
+            Total Runtime Energy = 0.00056636 J
+