1 files changed, 54 insertions, 0 deletions
diff --git a/src/larson.py b/src/larson.py
new file mode 100644
index 0000000..713818b
--- /dev/null
+++ b/src/larson.py
@@ -0,0 +1,54 @@
+import multiprocessing
+import re
+
+from src.benchmark import Benchmark
+
+throughput_re = re.compile("^Throughput =\s*(?P<throughput>\d+) operations per second.$")
+
+class Benchmark_Larson( Benchmark ):
+    def __init__(self):
+        self.name = "larson"
+        self.descrition = """This benchmark is courtesy of Paul Larson at Microsoft
+                             Research. It simulates a server: each thread allocates
+                             and deallocates objects, and then transfers some objects
+                             (randomly selected) to other threads to be freed."""
+
+        self.cmd = "build/larson{binary_suffix} 1 8 {maxsize} 1000 50000 1 {threads}"
+
+        self.args = {
+                        "maxsize" : [8, 32, 64, 128, 256, 512, 1024],
+                        "threads" : range(1, multiprocessing.cpu_count() * 2 + 1)
+                    }
+
+        self.requirements = ["build/larson"]
+        super().__init__()
+
+    def process_output(self, result, stdout, stderr, target, perm, verbose):
+        for l in stdout.splitlines():
+            res = throughput_re.match(l)
+            if res:
+                result["throughput"] = int(res.group("throughput"))
+                return
+
+    def summary(self, sumdir):
+        # Plot threads->throughput and maxsize->throughput
+        self.plot_fixed_arg("{throughput}/1000000",
+                    ylabel="'MOPS/s'",
+                    title = "'Larson: ' + arg + ' ' + str(arg_value)",
+                    filepostfix = "throughput",
+                    sumdir=sumdir)
+
+        self.plot_fixed_arg("({L1-dcache-load-misses}/{L1-dcache-loads})*100",
+                    ylabel="'l1 cache misses in %'",
+                    title = "'Larson cache misses: ' + arg + ' ' + str(arg_value)",
+                    filepostfix = "cachemisses",
+                    sumdir=sumdir)
+
+        # Memusage
+        self.plot_fixed_arg("int({VmHWM})",
+                    ylabel='"VmHWM in kB"',
+                    title= '"Loop Memusage: " + arg + " " + str(arg_value)',
+                    filepostfix="memusage",
+                    sumdir=sumdir)
+
+larson = Benchmark_Larson()