Host code for testing dram latency

examples/cuda/Makefile

@@ -67,6 +67,7 @@ INDEPENDENT_TESTS += test_stack_load
 INDEPENDENT_TESTS += test_memory_leak
 INDEPENDENT_TESTS += test_dram_load_store
 INDEPENDENT_TESTS += test_dram_host_allocated
+INDEPENDENT_TESTS += test_dram_latency
 INDEPENDENT_TESTS += test_dram_device_allocated
 INDEPENDENT_TESTS += test_device_memset
 INDEPENDENT_TESTS += test_device_memcpy

examples/cuda/test_dram_latency.c

@@ -0,0 +1,123 @@
+// Copyright (c) 2019, University of Washington All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+// 
+// Redistributions of source code must retain the above copyright notice, this list
+// of conditions and the following disclaimer.
+// 
+// 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.
+// 
+// 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.
+
+/******************************************************************************/
+/* Dram latency test.                                                         */
+/* Tests the DRAM latency by loading from DRAM after flushing the vcache.      */
+/* This tests uses the software/spmd/bsg_cuda_lite_runtime/dram_latency/      */
+/* manycore binary in the BSG Manycore repository.                            */
+/******************************************************************************/
+
+
+#include "test_dram_load_store.h"
+
+#define ALLOC_NAME "default_allocator"
+
+
+int kernel_dram_load_store(int argc, char **argv) {
+        int rc;
+        char *bin_path, *test_name;
+        struct arguments_path args = {NULL, NULL};
+
+        argp_parse (&argp_path, argc, argv, 0, 0, &args);
+        bin_path = args.path;
+        test_name = args.name;
+
+        bsg_pr_test_info("Running the CUDA DRAM Load Store test.\n\n");
+
+        srand(time); 
+
+
+        /**********************************************************************/
+        /* Define path to binary.                                             */
+        /* Initialize device, load binary and unfreeze tiles.                 */
+        /**********************************************************************/
+        hb_mc_device_t device;
+        rc = hb_mc_device_init(&device, test_name, 0);
+        if (rc != HB_MC_SUCCESS) { 
+                bsg_pr_err("failed to initialize device.\n");
+                return rc;
+        }
+
+        rc = hb_mc_device_program_init(&device, bin_path, ALLOC_NAME, 0);
+        if (rc != HB_MC_SUCCESS) { 
+                bsg_pr_err("failed to initialize program.\n");
+                return rc;
+        }
+
+        hb_mc_dimension_t tg_dim = device.mesh->dim;
+        hb_mc_dimension_t grid_dim = { .x = 1, .y = 1}; 
+
+        int cuda_argv[] = {0};
+
+        /*********************************************************************
+        * Enquque grid of tile groups, pass in grid and tile group dimensions,
+        * kernel name, number and list of input arguments
+        ***********************************************************************/
+        rc = hb_mc_kernel_enqueue (&device, grid_dim, tg_dim, "kernel_dram_latency",
+                                   1, cuda_argv);
+        if (rc != HB_MC_SUCCESS) { 
+                bsg_pr_err("failed to initialize grid.\n");
+                return rc;
+        }
+
+
+        /*************************************************************************
+        * Launch and execute all tile groups on device and wait for all to finish. 
+        **************************************************************************/
+        rc = hb_mc_device_tile_groups_execute(&device);
+        if (rc != HB_MC_SUCCESS) { 
+                bsg_pr_err("failed to execute tile groups.\n");
+                return rc;
+        }
+
+
+        /**********************************************************************/
+        /* Freeze the tiles and memory manager cleanup.                       */
+        /**********************************************************************/
+        rc = hb_mc_device_finish(&device); 
+        if (rc != HB_MC_SUCCESS) { 
+                bsg_pr_err("failed to de-initialize device.\n");
+                return rc;
+        }
+
+
+        return HB_MC_SUCCESS;
+}
+
+#ifdef VCS
+int vcs_main(int argc, char ** argv) {
+#else
+int main(int argc, char ** argv) {
+#endif
+        bsg_pr_test_info("test_dram_load_store Regression Test \n");
+        int rc = kernel_dram_load_store(argc, argv);
+        bsg_pr_test_pass_fail(rc == HB_MC_SUCCESS);
+        return rc;
+}
+
+

examples/cuda/test_dram_latency.h

@@ -0,0 +1,42 @@
+// Copyright (c) 2019, University of Washington All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+// 
+// Redistributions of source code must retain the above copyright notice, this list
+// of conditions and the following disclaimer.
+// 
+// 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.
+// 
+// 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.
+
+#ifndef TEST_DRAM_LOAD_STORE_H
+#define TEST_DRAM_LOAD_STORE_H
+
+
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+#include <string.h>
+#include <time.h>
+#include <stdlib.h>
+
+#include "cuda_tests.h"
+
+
+#endif