1 files changed, 0 insertions, 76 deletions
diff --git a/falsesharing.py b/falsesharing.py
deleted file mode 100644
index 19314da..0000000
--- a/falsesharing.py
+++ /dev/null
@@ -1,76 +0,0 @@
-import matplotlib.pyplot as plt
-import multiprocessing
-import numpy as np
-import os
-import re
-
-from benchmark import Benchmark
-
-time_re = re.compile("^Time elapsed = (?P<time>\d*\.\d*) seconds.$")
-
-class Benchmark_Falsesharing( Benchmark ):
-    def __init__(self):
-        self.name = "falsesharing"
-        self.descrition = """This benchmarks makes small allocations and writes
-                            to them multiple times. If the allocated objects are
-                            on the same cache line the writes will be expensive because
-                            of cache thrashing."""
-
-        self.cmd = "build/cache-{bench}{binary_suffix} {threads} 100 8 1000000"
-
-        self.args = {
-                        "bench" : ["thrash", "scratch"],
-                        "threads" : range(1, multiprocessing.cpu_count() * 2 + 1)
-                    }
-
-        self.requirements = ["build/cache-thrash", "build/cache-scratch"]
-        super().__init__()
-
-    def process_output(self, result, stdout, stderr, target, perm, verbose):
-        result["time"] = time_re.match(stdout).group("time")
-
-    def summary(self, sumdir=None):
-        # Speedup thrash
-        args = self.results["args"]
-        nthreads = args["threads"]
-        targets = self.results["targets"]
-
-        for bench in self.results["args"]["bench"]:
-            for target in targets:
-                y_vals = []
-
-                single_threaded_perm = self.Perm(bench=bench, threads=1)
-                single_threaded = np.mean([float(m["time"])
-                                                    for m in self.results[target][single_threaded_perm]])
-
-                for perm in self.iterate_args_fixed({"bench" : bench}, args=args):
-
-                    d = [float(m["time"]) for m in self.results[target][perm]]
-
-                    y_vals.append(single_threaded / np.mean(d))
-
-                plt.plot(nthreads, y_vals, marker='.', linestyle='-', label=target,
-                            color=targets[target]["color"])
-
-            plt.legend()
-            plt.xlabel("threads")
-            plt.ylabel("speedup")
-            plt.title(bench + " speedup" )
-            plt.savefig(os.path.join(sumdir, self.name + "." + bench + ".png"))
-            plt.clf()
-
-        self.plot_fixed_arg("({L1-dcache-load-misses}/{L1-dcache-loads})*100",
-                    ylabel="'l1 cache misses in %'",
-                    title = "'cache misses: ' + arg + ' ' + str(arg_value)",
-                    filepostfix = "l1-misses",
-                    sumdir=sumdir,
-                    fixed=["bench"])
-
-        self.plot_fixed_arg("({LLC-load-misses}/{LLC-loads})*100",
-                    ylabel="'l1 cache misses in %'",
-                    title = "'LLC misses: ' + arg + ' ' + str(arg_value)",
-                    filepostfix = "llc-misses",
-                    sumdir=sumdir,
-                    fixed=["bench"])
-
-falsesharing = Benchmark_Falsesharing()