1 files changed, 68 insertions, 0 deletions
diff --git a/benchmarks/mt-memcpy/mt-memcpy.c b/benchmarks/mt-memcpy/mt-memcpy.c
new file mode 100644
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+++ b/benchmarks/mt-memcpy/mt-memcpy.c
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+// 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);
+}