Add scalar single-threaded/mt memcpy

3 files changed, 507 insertions, 0 deletions

diff --git a/benchmarks/mt-memcpy/dataset1.h b/benchmarks/mt-memcpy/dataset1.h
new file mode 100644
index 0000000..6f6bb81
--- /dev/null
+++ b/benchmarks/mt-memcpy/dataset1.h
@@ -0,0 +1,307 @@
+
+#define DATA_SIZE 6000 
+
+int input_data[DATA_SIZE] = 
+{
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+  156, 123, 328, 759, 366, 894, 151, 233, 353, 526, 324, 669, 186, 557, 718, 829, 797, 968, 682, 473, 
+  680, 430, 126, 401, 730, 345, 347, 427,  86, 747, 505, 970, 776, 155, 471,  32, 810, 880, 882, 181, 
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+  296, 656, 697,  53, 746, 295, 211, 311, 284, 474,  81, 362, 553, 804, 688, 253, 873, 438,  97, 446, 
+  523, 839, 234, 995, 659, 722, 808,  94, 968, 101, 643, 848, 786, 694, 426, 371, 190, 554, 809, 158, 
+  990, 367, 769, 752, 993,  75, 743,  16, 651, 726, 861, 509, 217, 796, 797, 173, 874, 704,  93, 263, 
+  318, 317, 190, 627,  52, 692, 634, 348, 886, 823, 616, 466, 756, 387, 161, 401, 153, 379,  77, 191, 
+  110, 454, 485, 352, 149,  36,  33, 945, 937, 965, 413, 843, 249, 215, 682, 767, 150, 825, 978, 946, 
+  203, 780, 433, 236, 766, 403, 234, 920, 616, 542, 621, 645, 937, 450, 934, 683,  97, 507, 166, 177, 
+  115, 926, 802, 604, 887,  43,  87, 327, 244, 771, 491, 219, 903, 290, 792, 267, 517, 798,  70, 450
+};
+
diff --git a/benchmarks/mt-memcpy/memcpy_gendata.pl b/benchmarks/mt-memcpy/memcpy_gendata.pl
new file mode 100755
index 0000000..4efc145
--- /dev/null
+++ b/benchmarks/mt-memcpy/memcpy_gendata.pl
@@ -0,0 +1,132 @@
+#!/usr/bin/perl -w
+#==========================================================================
+# vvadd_gendata.pl
+#
+# Author : Christopher Batten (cbatten@mit.edu)
+# Date   : April 29, 2005
+#
+(our $usageMsg = <<'ENDMSG') =~ s/^\#//gm;
+#
+# Simple script which creates an input data set and the reference data
+# for the vvadd benchmark.
+#
+ENDMSG
+
+use strict "vars";
+use warnings;
+no  warnings("once");
+use Getopt::Long;
+
+#--------------------------------------------------------------------------
+# Command line processing
+#--------------------------------------------------------------------------
+
+our %opts;
+
+sub usage()
+{
+
+  print "\n";
+  print " Usage:  memcpy_gendata.pl [options] \n";
+  print "\n";
+  print " Options:\n";
+  print "  --help  print this message\n";
+  print "  --size  size of input data [1000]\n";
+  print "  --seed  random seed [1]\n";
+  print "$usageMsg";
+
+  exit();
+}
+
+sub processCommandLine()
+{
+
+  $opts{"help"} = 0;
+  $opts{"size"} = 1000;
+  $opts{"seed"} = 1;
+  Getopt::Long::GetOptions( \%opts, 'help|?', 'size:i', 'seed:i' ) or usage();
+  $opts{"help"} and usage();
+
+}
+
+#--------------------------------------------------------------------------
+# Helper Functions
+#--------------------------------------------------------------------------
+
+sub printArray
+{
+  my $arrayName = $_[0];
+  my $arrayRef  = $_[1];
+
+  my $numCols = 20;
+  my $arrayLen = scalar(@{$arrayRef});
+
+  print "int ".$arrayName."[DATA_SIZE] = \n";
+  print "{\n";
+
+  if ( $arrayLen <= $numCols ) {
+    print "  ";
+    for ( my $i = 0; $i < $arrayLen; $i++ ) {
+      print sprintf("%3d",$arrayRef->[$i]);
+      if ( $i != $arrayLen-1 ) {
+        print ", ";
+      }
+    }
+    print "\n";
+  }
+
+  else {
+    my $numRows = int($arrayLen/$numCols);
+    for ( my $j = 0; $j < $numRows; $j++ ) {
+      print "  ";
+      for ( my $i = 0; $i < $numCols; $i++ ) {
+        my $index = $j*$numCols + $i;
+        print sprintf("%3d",$arrayRef->[$index]);
+        if ( $index != $arrayLen-1 ) {
+          print ", ";
+        }
+      }
+      print "\n";
+    }
+
+    if ( $arrayLen > ($numRows*$numCols) ) {
+      print "  ";
+      for ( my $i = 0; $i < ($arrayLen-($numRows*$numCols)); $i++ ) {
+        my $index = $numCols*$numRows + $i;
+        print sprintf("%3d",$arrayRef->[$index]);
+        if ( $index != $arrayLen-1 ) {
+          print ", ";
+        }
+      }
+      print "\n";
+    }
+
+  }
+
+  print  "};\n\n";
+}
+
+#--------------------------------------------------------------------------
+# Main
+#--------------------------------------------------------------------------
+
+sub main()
+{
+
+  processCommandLine();
+  srand($opts{"seed"});
+
+  my @values;
+  for ( my $i = 0; $i < $opts{"size"}; $i++ ) {
+    my $value = int(rand(999));
+    push( @values, $value );
+  }
+
+
+  print "\n\#define DATA_SIZE ".$opts{"size"}." \n\n";
+  printArray( "input_data", \@values );
+
+}
+
+main();
+
diff --git a/benchmarks/mt-memcpy/mt-memcpy.c b/benchmarks/mt-memcpy/mt-memcpy.c
new file mode 100644
index 0000000..404d0bf
--- /dev/null
+++ b/benchmarks/mt-memcpy/mt-memcpy.c
@@ -0,0 +1,68 @@
+// See LICENSE for license details.
+
+//**************************************************************************
+// Memcpy benchmark
+//--------------------------------------------------------------------------
+// Author  : Jerry Zhao
+// TA      :
+// Student :
+//
+// This benchmark tests the memcpy implementation in syscalls.c.
+// The input data (and reference data) should be generated using
+// the memcpy_gendata.pl perl script and dumped to a file named
+// dataset1.h.
+
+
+//--------------------------------------------------------------------------
+// Includes
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+
+//--------------------------------------------------------------------------
+// Input/Reference Data
+
+#include "dataset1.h"
+
+
+//--------------------------------------------------------------------------
+// Basic Utilities and Multi-thread Support
+
+#include "util.h"
+
+
+
+//--------------------------------------------------------------------------
+// Main
+//
+// all threads start executing thread_entry(). Use their "coreid" to
+// differentiate between threads (each thread is running on a separate core).
+
+void thread_entry(int cid, int nc)
+{
+   // static allocates data in the binary, which is visible to both threads
+   static int results_data[DATA_SIZE];
+
+   size_t block = (DATA_SIZE / nc) + 1;
+   size_t n = (nc == cid + 1) ? DATA_SIZE - cid * block : block;
+
+
+   // First do out-of-place vvadd
+#if PREALLOCATE
+   barrier(nc);
+   memcpy(results_data + block * cid, input_data + block * cid, sizeof(int) * n);
+#endif
+
+   barrier(nc);
+   stats(memcpy(results_data + block * cid, input_data + block * cid, sizeof(int) * n); barrier(nc), DATA_SIZE);
+  /* barrier(nc); */
+   /* if(cid == 0) { */
+   /*   int res = verify(DATA_SIZE, results_data, input_data); */
+   /*   if(res) exit(res); */
+   /* } */
+
+   barrier(nc);
+   exit(0);
+}