visualization tools for `pool_local_multi`

benchmark/visu_pool_local_multi.p

+set terminal png
+set output "ju_diff100k.png"
+set font "Helvetica"
+set title 'Juelich/issue6/1; jupiter; BW; rep1; diff100k; /=decl\_per\_cdo'
+set key right
+set log y
+set xlabel "decl per CDO"
+set ylabel "time (ms)"
+set style function linespoints
+plot 'pool_local_multi.dat' using 2:xtic(1) title "1 thread" with linespoints, '' using 3 title "4 threads" with linespoints, '' using 4 title "8 threads" with linespoints, '' using 5 title "12 threads" with linespoints, '' using 8 title "24 threads" with linespoints

benchmark/visu_pool_local_multi.sh

+#!/usr/bin/env bash
+#
+# Post-treatment and visualization of ../tests/check_pool_local_multi
+#
+
+# Copyright (C) 2020 Cray Computer GmbH
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its
+#    contributors may be used to endorse or promote products derived from
+#    this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+output="pool_local_multi.dat"
+gnuplot_script="visu_pool_local_multi.p"
+
+../tests/check_pool_local_multi > tmp
+
+# remove the first two lines and  the last three lines (written by `cheat`)
+head -n -3 tmp | sed -e '1,2d' > $output 
+
+gnuplot $gnuplot_script

tests/check_pool_local_multi.c

@@ -102,7 +102,7 @@ CHEAT_DECLARE(
       return NULL;
     }
     
-#define MAX_THREADS 9 /* power-of-two + 1 and >1 */
+#define MAX_THREADS 25
               )
 
 CHEAT_TEST(cdo_local_pool_works,
@@ -111,16 +111,25 @@ CHEAT_TEST(cdo_local_pool_works,
            srandom(42);
            cheat_assert(MSTRO_OK == mstro_init("Tests","POOL",0));
    
-           for(size_t numthr=1; numthr<MAX_THREADS; numthr*=2) {
-             pthread_t threads[MAX_THREADS];
-             for(size_t num_diff=1; num_diff<100001; num_diff*=10) {
+			 fprintf(stdout, "# num_diff=100k; time /= decl_per_cdo");
+
            for(size_t numdecl=1; numdecl<129; numdecl*=2) {
-                 struct thread_args args;
+//             for(size_t num_diff=1; num_diff<100001; num_diff*=10) {
+     		size_t num_diff = 100000; 
 
+             struct thread_args args;
              args.num_repeats = 100000 / num_diff;
              args.num_different_cdos = num_diff;
              args.num_max_declares_per_cdo = numdecl;
 
+			 fprintf(stdout, "%8zu ", args.num_max_declares_per_cdo);
+			 
+
+	           for(size_t numthr=1; numthr<MAX_THREADS; numthr+=4) {
+		           if (numthr==5) numthr--; // yes that's ugly
+                       pthread_t threads[MAX_THREADS];
+
+
                  mstro_nanosec_t before = mstro_clock();
                
                  for(size_t i=0; i<numthr; i++) {
@@ -136,12 +145,16 @@ CHEAT_TEST(cdo_local_pool_works,
                  mstro_nanosec_t after = mstro_clock();
                  double duration = after-before;
                  double ms = duration/(1000.0*1000.0);
-                 fprintf(stdout, "%8zu reps, %8zu different, %8zu per CDO, %3zu threads: %.2f ms\n",
+/*                 fprintf(stdout, "%8zu reps, %8zu different, %8zu per CDO, %3zu threads: %.2f ms\n",
                          args.num_repeats, args.num_different_cdos, args.num_max_declares_per_cdo,
                          numthr,
                          ms);
+  */              fprintf(stdout, "%.5f ", ms/(double)args.num_max_declares_per_cdo);
+
                }
-             }
+//             }
+			 fprintf(stdout, "\n");
+
            }
            cheat_assert(global_result==MSTRO_OK);