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-rw-r--r--Makefile10
-rwxr-xr-xbench.py3
-rw-r--r--larson.py69
3 files changed, 80 insertions, 2 deletions
diff --git a/Makefile b/Makefile
index 5d838dc..5c37556 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@ CXX = g++
WARNFLAGS = -Wall -Wextra
COMMONFLAGS = -fno-builtin -fPIC -DPIC -pthread
OPTFLAGS = -O3 -DNDEBUG
-#OPTFLAGS = -O0 -g3
+# OPTFLAGS = -O0 -g3
CXXFLAGS = -std=c++11 -I. $(OPTFLAGS) $(WARNFLAGS) $(COMMONFLAGS) -fno-exceptions
CFLAGS = -I. $(OPTFLAGS) $(WARNFLAGS) $(COMMONFLAGS)
@@ -48,6 +48,14 @@ $(OBJDIR)/trace_run-glibc-notc: $(OBJDIR)/trace_run $(MAKEFILE_LIST)
patchelf --set-interpreter $(GLIBC_NOTC)/ld-linux-x86-64.so.2 $@
patchelf --set-rpath $(GLIBC_NOTC) $@
+$(OBJDIR)/larson: $(OBJDIR)/larson.o
+ $(CXX) -pthread -o $@ $^
+
+$(OBJDIR)/larson-glibc-notc: $(OBJDIR)/larson
+ cp $< $@
+ patchelf --set-interpreter $(GLIBC_NOTC)/ld-linux-x86-64.so.2 $@
+ patchelf --set-rpath $(GLIBC_NOTC) $@
+
$(OBJDIR)/cache-thrash: $(OBJDIR)/cache-thrash.o
$(CXX) -pthread -o $@ $^
diff --git a/bench.py b/bench.py
index ee1c412..237afa3 100755
--- a/bench.py
+++ b/bench.py
@@ -10,6 +10,7 @@ from loop import loop
# from bench_conprod import conprod
from mysql import mysql
from dj_trace import dj_trace
+from larson import larson
parser = argparse.ArgumentParser(description="benchmark memory allocators")
parser.add_argument("-s", "--save", help="save benchmark results to disk", action='store_true')
@@ -22,7 +23,7 @@ parser.add_argument("-sd", "--summarydir", help="directory where all plots and t
parser.add_argument("-a", "--analyse", help="collect allocation sizes", action='store_true')
-benchmarks = [loop, mysql, falsesharing, dj_trace]
+benchmarks = [loop, mysql, falsesharing, dj_trace, larson]
def main():
args = parser.parse_args()
diff --git a/larson.py b/larson.py
new file mode 100644
index 0000000..5ba93fb
--- /dev/null
+++ b/larson.py
@@ -0,0 +1,69 @@
+import csv
+import pickle
+import matplotlib.pyplot as plt
+import multiprocessing
+import numpy as np
+import os
+import re
+import subprocess
+
+from benchmark import Benchmark
+
+throughput_re = re.compile("^Throughput =\s*(?P<throughput>\d+) operations per second.$")
+
+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 10000 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_stdout(self, result, stdout, verbose):
+ for l in stdout.splitlines():
+ res = throughput_re.match(l)
+ if res:
+ result["throughput"] = int(res.group("throughput"))
+ return
+ print(stdout)
+ print("no match")
+
+ def summary(self, sd=None):
+ # Speedup thrash
+ args = self.results["args"]
+ nthreads = args["threads"]
+ targets = self.results["targets"]
+
+ sd = sd or ""
+
+ for arg in args:
+ loose_arg = [a for a in args if a != arg][0]
+ for arg_value in args[arg]:
+ for target in targets:
+ y_vals = []
+ for perm in self.iterate_args_fixed({arg : arg_value}, args=args):
+ d = [m["throughput"] for m in self.results[target][perm]]
+ y_vals.append(np.mean(d))
+ x_vals = list(range(1, len(y_vals) + 1))
+ plt.plot(x_vals, y_vals, marker='.', linestyle='-',
+ label=target, color=targets[target]["color"])
+ plt.legend()
+ plt.xticks(x_vals, args[loose_arg])
+ plt.xlabel(loose_arg)
+ plt.ylabel("OPS/s")
+ plt.title("Larson: " + arg + " " + str(arg_value))
+ plt.savefig(os.path.join(sd, ".".join([self.name, arg, str(arg_value), "png"])))
+ plt.clf()
+
+
+larson = Benchmark_Larson()