[Piglit] [PATCH v6] cl: Add a test for the predefined macros
Jan Vesely
jan.vesely at rutgers.edu
Mon Oct 17 14:20:32 UTC 2016
On Sat, 2016-10-15 at 14:43 +0200, Niels Ole Salscheider wrote:
> v6: Fix OpenCL C version test if test is compiled against OpenCL 1.0
> v5: Use sscanf, fix CL_DEVICE_OPENCL_C_VERSION include guard, fix logic
> v4: Test against env->version instead of opencl_version and never
> report PIGLIT_SKIP for the values of IMAGE_SUPPORT and ENDIAN_LITTLE
> v3: Fix alignment and typos
> v2: Check the values of the defines and add more checks
>
> Signed-off-by: Niels Ole Salscheider <niels_ole at salscheider-online.de>
> Reviewed-by: Jan Vesely <jan.vesely at rutgers.edu>
> ---
> tests/cl.py | 1 +
> tests/cl/program/CMakeLists.cl.txt | 1 +
> tests/cl/program/predefined-macros.c | 463 +++++++++++++++++++++++++++++++++++
> 3 files changed, 465 insertions(+)
> create mode 100644 tests/cl/program/predefined-macros.c
>
> diff --git a/tests/cl.py b/tests/cl.py
> index 353ab05..73fba0d 100644
> --- a/tests/cl.py
> +++ b/tests/cl.py
> @@ -96,6 +96,7 @@ with profile.group_manager(PiglitCLTest, 'program') as g:
> g(['cl-program-max-work-item-sizes'],
> 'Run kernel with max work item sizes')
> g(['cl-program-bitcoin-phatk'], 'Bitcoin: phatk kernel')
> + g(['cl-program-predefined-macros'], 'Check predefined preprocessor macros')
>
> with profile.group_manager(PiglitCLTest, 'interop') as g:
> g(['cl-interop-egl_khr_cl_event2'], 'EGL_KHR_cl_event2')
> diff --git a/tests/cl/program/CMakeLists.cl.txt b/tests/cl/program/CMakeLists.cl.txt
> index 82dc675..c8d7307 100644
> --- a/tests/cl/program/CMakeLists.cl.txt
> +++ b/tests/cl/program/CMakeLists.cl.txt
> @@ -1,3 +1,4 @@
> piglit_cl_add_program_test (tester program-tester.c)
> piglit_cl_add_program_test (max-work-item-sizes max-work-item-sizes.c)
> piglit_cl_add_program_test (bitcoin-phatk bitcoin-phatk.c)
> +piglit_cl_add_program_test (predefined-macros predefined-macros.c)
> diff --git a/tests/cl/program/predefined-macros.c b/tests/cl/program/predefined-macros.c
> new file mode 100644
> index 0000000..f94812c
> --- /dev/null
> +++ b/tests/cl/program/predefined-macros.c
> @@ -0,0 +1,463 @@
> +/*
> + * Copyright © 2016 Niels Ole Salscheider <niels_ole at salscheider-online.de>
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the "Software"),
> + * to deal in the Software without restriction, including without limitation
> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the next
> + * paragraph) shall be included in all copies or substantial portions of the
> + * Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> + * DEALINGS IN THE SOFTWARE.
> + */
> +
> +#include "piglit-framework-cl-program.h"
> +
> +char *program_source =
> +"kernel void test(global int* file_defined, global int* line_defined, \n"
> +" global int* opencl_version_defined, global int* opencl_version, \n"
> +" global int* opencl_c_version_defined, global int* opencl_c_version, \n"
> +" global int* cl_version_defined, global int* cl_version, \n"
> +" global int* endian_little_defined, global int* endian_little, \n"
> +" global int* image_support_defined, global int* image_support) \n"
> +"{ \n"
> +"#ifdef __FILE__ \n"
> +" *file_defined = 1; \n"
> +"#else \n"
> +" *file_defined = 0; \n"
> +"#endif \n"
> +"\n"
> +"#ifdef __LINE__ \n"
> +" *line_defined = 1; \n"
> +"#else \n"
> +" *line_defined = 0; \n"
> +"#endif \n"
> +"\n"
> +"#ifdef __OPENCL_VERSION__ \n"
> +" *opencl_version_defined = 1; \n"
> +" *opencl_version = __OPENCL_VERSION__; \n"
> +"#else \n"
> +" *opencl_version_defined = 0; \n"
> +"#endif \n"
> +"\n"
> +"#ifdef __OPENCL_C_VERSION__ \n"
> +" *opencl_c_version_defined = 1; \n"
> +" *opencl_c_version = __OPENCL_C_VERSION__; \n"
> +"#else \n"
> +" *opencl_c_version_defined = 0; \n"
> +"#endif \n"
> +"\n"
> +"#ifdef CL_VERSION_1_0 \n"
> +" cl_version_defined[0] = 1; \n"
> +" cl_version[0] = CL_VERSION_1_0; \n"
> +"#else \n"
> +" cl_version_defined[0] = 0; \n"
> +"#endif \n"
> +"\n"
> +"#ifdef CL_VERSION_1_1 \n"
> +" cl_version_defined[1] = 1; \n"
> +" cl_version[1] = CL_VERSION_1_1; \n"
> +"#else \n"
> +" cl_version_defined[1] = 0; \n"
> +"#endif \n"
> +"\n"
> +"#ifdef CL_VERSION_1_2 \n"
> +" cl_version_defined[2] = 1; \n"
> +" cl_version[2] = CL_VERSION_1_2; \n"
> +"#else \n"
> +" cl_version_defined[2] = 0; \n"
> +"#endif \n"
> +"\n"
> +"#ifdef CL_VERSION_2_0 \n"
> +" cl_version_defined[3] = 1; \n"
> +" cl_version[3] = CL_VERSION_2_0; \n"
> +"#else \n"
> +" cl_version_defined[3] = 0; \n"
> +"#endif \n"
> +"\n"
> +"#ifdef __ENDIAN_LITTLE__ \n"
> +" *endian_little_defined = 1; \n"
> +" *endian_little = __ENDIAN_LITTLE__; \n"
> +"#else \n"
> +" *endian_little_defined = 0; \n"
> +"#endif \n"
> +"#ifdef __IMAGE_SUPPORT__ \n"
> +" *image_support_defined = 1; \n"
> +" *image_support = __IMAGE_SUPPORT__; \n"
> +"#else \n"
> +" *image_support_defined = 0; \n"
> +"#endif \n"
> +"}";
> +
> +PIGLIT_CL_PROGRAM_TEST_CONFIG_BEGIN
> +
> + config.name = "Preprocessor Macros";
> + config.clc_version_min = 10;
> + config.run_per_device = true;
> +
> + config.program_source = program_source;
> + config.kernel_name = "test";
> +
> +PIGLIT_CL_PROGRAM_TEST_CONFIG_END
> +
> +int
> +version_from_string(char* string, int *version)
> +{
> + int major, minor;
> + if (!string || sscanf(string, "%*s %d.%d %*s", &major, &minor) != 2) {
> + return 0;
> + }
> + *version = 100 * major + 10 * minor;
> + return 1;
> +}
> +
> +#define NUM_CL_VERSION 4
> +
> +enum piglit_result
> +piglit_cl_test(const int argc,
> + const char** argv,
> + const struct piglit_cl_program_test_config* config,
> + const struct piglit_cl_program_test_env* env)
> +{
> + enum piglit_result result = PIGLIT_SKIP;
> + enum piglit_result result_file_defined = PIGLIT_SKIP;
> + enum piglit_result result_line_defined = PIGLIT_SKIP;
> + enum piglit_result result_opencl_version_defined = PIGLIT_SKIP;
> + enum piglit_result result_opencl_version = PIGLIT_SKIP;
> + enum piglit_result result_opencl_c_version_defined = PIGLIT_SKIP;
> + enum piglit_result result_opencl_c_version = PIGLIT_SKIP;
> + enum piglit_result result_cl_version_defined[NUM_CL_VERSION];
> + enum piglit_result result_cl_version[NUM_CL_VERSION];
> + enum piglit_result result_endian_little_defined = PIGLIT_SKIP;
> + enum piglit_result result_endian_little = PIGLIT_SKIP;
> + enum piglit_result result_image_support_defined = PIGLIT_SKIP;
> + enum piglit_result result_image_support = PIGLIT_SKIP;
> +
> + size_t work_size = 1;
> +
> + cl_int file_defined;
> + cl_mem file_defined_mem = NULL;
> + cl_int line_defined;
> + cl_mem line_defined_mem = NULL;
> + cl_int opencl_version_defined;
> + cl_mem opencl_version_defined_mem = NULL;
> + cl_int opencl_version;
> + cl_mem opencl_version_mem = NULL;
> + cl_int opencl_c_version_defined;
> + cl_mem opencl_c_version_defined_mem = NULL;
> + cl_int opencl_c_version;
> + cl_mem opencl_c_version_mem = NULL;
> + cl_int cl_version_defined[NUM_CL_VERSION];
> + cl_mem cl_version_defined_mem = NULL;
> + cl_int cl_version[NUM_CL_VERSION];
> + cl_mem cl_version_mem = NULL;
> + cl_int endian_little_defined;
> + cl_mem endian_little_defined_mem = NULL;
> + cl_int endian_little;
> + cl_mem endian_little_mem = NULL;
> + cl_int image_support_defined;
> + cl_mem image_support_defined_mem = NULL;
> + cl_int image_support;
> + cl_mem image_support_mem = NULL;
> +
> + char* opencl_version_str_host = NULL;
> + char* opencl_c_version_str_host = NULL;
> + cl_bool* endian_little_host = NULL;
> + cl_bool* image_support_host = NULL;
> +
> + int i;
> + for (i = 0; i < NUM_CL_VERSION; ++i) {
> + result_cl_version_defined[i] = PIGLIT_SKIP;
> + result_cl_version[i] = PIGLIT_SKIP;
> + }
> +
> + opencl_version_str_host = piglit_cl_get_device_info(env->device_id,
> + CL_DEVICE_VERSION);
> +#ifdef CL_VERSION_1_1
> + opencl_c_version_str_host = piglit_cl_get_device_info(env->device_id,
> + CL_DEVICE_OPENCL_C_VERSION);
> +#endif
> + endian_little_host = piglit_cl_get_device_info(env->device_id,
> + CL_DEVICE_ENDIAN_LITTLE);
> + image_support_host = piglit_cl_get_device_info(env->device_id,
> + CL_DEVICE_IMAGE_SUPPORT);
> +
> + /* create buffers for the results */
> + file_defined_mem = piglit_cl_create_buffer(env->context,
> + CL_MEM_WRITE_ONLY,
> + sizeof(cl_int));
> + line_defined_mem = piglit_cl_create_buffer(env->context,
> + CL_MEM_WRITE_ONLY,
> + sizeof(cl_int));
> + opencl_version_defined_mem = piglit_cl_create_buffer(env->context,
> + CL_MEM_WRITE_ONLY,
> + sizeof(cl_int));
> + opencl_version_mem = piglit_cl_create_buffer(env->context,
> + CL_MEM_WRITE_ONLY,
> + sizeof(cl_int));
> + opencl_c_version_defined_mem = piglit_cl_create_buffer(env->context,
> + CL_MEM_WRITE_ONLY,
> + sizeof(cl_int));
> + opencl_c_version_mem = piglit_cl_create_buffer(env->context,
> + CL_MEM_WRITE_ONLY,
> + sizeof(cl_int));
> + cl_version_defined_mem = piglit_cl_create_buffer(env->context,
> + CL_MEM_WRITE_ONLY,
> + NUM_CL_VERSION * sizeof(cl_int));
> + cl_version_mem = piglit_cl_create_buffer(env->context,
> + CL_MEM_WRITE_ONLY,
> + NUM_CL_VERSION * sizeof(cl_int));
> + endian_little_defined_mem = piglit_cl_create_buffer(env->context,
> + CL_MEM_WRITE_ONLY,
> + sizeof(cl_int));
> + endian_little_mem = piglit_cl_create_buffer(env->context,
> + CL_MEM_WRITE_ONLY,
> + sizeof(cl_int));
> + image_support_defined_mem = piglit_cl_create_buffer(env->context,
> + CL_MEM_WRITE_ONLY,
> + sizeof(cl_int));
> + image_support_mem = piglit_cl_create_buffer(env->context,
> + CL_MEM_WRITE_ONLY,
> + sizeof(cl_int));
> +
> + /* set kernel args and run the kernel */
> + piglit_cl_set_kernel_buffer_arg(env->kernel, 0, &file_defined_mem);
> + piglit_cl_set_kernel_buffer_arg(env->kernel, 1, &line_defined_mem);
> + piglit_cl_set_kernel_buffer_arg(env->kernel, 2,
> + &opencl_version_defined_mem);
> + piglit_cl_set_kernel_buffer_arg(env->kernel, 3, &opencl_version_mem);
> + piglit_cl_set_kernel_buffer_arg(env->kernel, 4,
> + &opencl_c_version_defined_mem);
> + piglit_cl_set_kernel_buffer_arg(env->kernel, 5, &opencl_c_version_mem);
> + piglit_cl_set_kernel_buffer_arg(env->kernel, 6,
> + &cl_version_defined_mem);
> + piglit_cl_set_kernel_buffer_arg(env->kernel, 7, &cl_version_mem);
> + piglit_cl_set_kernel_buffer_arg(env->kernel, 8,
> + &endian_little_defined_mem);
> + piglit_cl_set_kernel_buffer_arg(env->kernel, 9, &endian_little_mem);
> + piglit_cl_set_kernel_buffer_arg(env->kernel, 10,
> + &image_support_defined_mem);
> + piglit_cl_set_kernel_buffer_arg(env->kernel, 11, &image_support_mem);
> + piglit_cl_execute_ND_range_kernel(env->context->command_queues[0],
> + env->kernel,
> + 1,
> + NULL,
> + &work_size,
> + &work_size);
> +
> + /* read the buffers */
> + piglit_cl_read_buffer(env->context->command_queues[0], file_defined_mem,
> + 0, sizeof(cl_int), &file_defined);
> + piglit_cl_read_buffer(env->context->command_queues[0], line_defined_mem,
> + 0, sizeof(cl_int), &line_defined);
> + piglit_cl_read_buffer(env->context->command_queues[0],
> + opencl_version_defined_mem, 0, sizeof(cl_int),
> + &opencl_version_defined);
> + piglit_cl_read_buffer(env->context->command_queues[0],
> + opencl_version_mem, 0, sizeof(cl_int),
> + &opencl_version);
> + piglit_cl_read_buffer(env->context->command_queues[0],
> + opencl_c_version_defined_mem, 0, sizeof(cl_int),
> + &opencl_c_version_defined);
> + piglit_cl_read_buffer(env->context->command_queues[0],
> + opencl_c_version_mem, 0, sizeof(cl_int),
> + &opencl_c_version);
> + piglit_cl_read_buffer(env->context->command_queues[0],
> + cl_version_defined_mem, 0,
> + NUM_CL_VERSION * sizeof(cl_int),
> + cl_version_defined);
> + piglit_cl_read_buffer(env->context->command_queues[0],
> + cl_version_mem, 0,
> + NUM_CL_VERSION * sizeof(cl_int),
> + cl_version);
> + piglit_cl_read_buffer(env->context->command_queues[0],
> + endian_little_defined_mem, 0, sizeof(cl_int),
> + &endian_little_defined);
> + piglit_cl_read_buffer(env->context->command_queues[0],
> + endian_little_mem, 0, sizeof(cl_int),
> + &endian_little);
> + piglit_cl_read_buffer(env->context->command_queues[0],
> + image_support_defined_mem, 0, sizeof(cl_int),
> + &image_support_defined);
> + piglit_cl_read_buffer(env->context->command_queues[0],
> + image_support_mem, 0, sizeof(cl_int),
> + &image_support);
> +
> + /* check the values */
> + result_file_defined = (file_defined == 1) ? PIGLIT_PASS : PIGLIT_FAIL;
> + result_line_defined = (line_defined == 1) ? PIGLIT_PASS : PIGLIT_FAIL;
> +
> + if (!opencl_version_defined) {
> + result_opencl_version_defined = PIGLIT_FAIL;
> + } else {
> + int opencl_version_host;
> + result_opencl_version_defined = PIGLIT_PASS;
> + if (!version_from_string(opencl_version_str_host,
> + &opencl_version_host)) {
> + printf("Could not determine host OpenCL version.\n");
> + piglit_merge_result(&result, PIGLIT_FAIL);
> + } else {
> + result_opencl_version = (opencl_version == opencl_version_host) ?
> + PIGLIT_PASS : PIGLIT_FAIL;
> + }
> + }
> +
> + if (env->version >= 11) {
> + result_cl_version_defined[0] = cl_version_defined[0] ?
> + PIGLIT_PASS : PIGLIT_FAIL;
> + result_cl_version_defined[1] = cl_version_defined[1] ?
> + PIGLIT_PASS : PIGLIT_FAIL;
> + }
> + if (env->version >= 12) {
> + result_cl_version_defined[2] = cl_version_defined[2] ?
> + PIGLIT_PASS : PIGLIT_FAIL;
> + }
> + if (env->version >= 20) {
> + result_cl_version_defined[3] = cl_version_defined[3] ?
> + PIGLIT_PASS : PIGLIT_FAIL;
> + }
> +
> + if (env->version >= 12) {
> + if (!opencl_c_version_defined) {
> + result_opencl_c_version_defined = PIGLIT_FAIL;
> + } else {
> +#ifdef CL_VERSION_1_1
> + int opencl_c_version_host;
> +#endif
> + result_opencl_c_version_defined = PIGLIT_PASS;
I think it'd be better to let this be the default PIGLIT_SKIP. I can
fix that locally before pushing if you concur.
thanks for your patience,
Jan
> +#ifdef CL_VERSION_1_1
> + if (!version_from_string(opencl_c_version_str_host,
> + &opencl_c_version_host)) {
> + printf("Could not determine host OpenCL C version.\n");
> + piglit_merge_result(&result, PIGLIT_FAIL);
> + } else {
> + result_opencl_c_version = (opencl_c_version == opencl_c_version_host) ?
> + PIGLIT_PASS : PIGLIT_FAIL;
> + }
> +#endif
> + }
> + }
> +
> + if (cl_version_defined[0]) {
> + result_cl_version[0] = (cl_version[0] == 100) ?
> + PIGLIT_PASS : PIGLIT_FAIL;
> + }
> + if (cl_version_defined[1]) {
> + result_cl_version[1] = (cl_version[1] == 110) ?
> + PIGLIT_PASS : PIGLIT_FAIL;
> + }
> + if (cl_version_defined[2]) {
> + result_cl_version[2] = (cl_version[2] == 120) ?
> + PIGLIT_PASS : PIGLIT_FAIL;
> + }
> + if (cl_version_defined[3]) {
> + result_cl_version[3] = (cl_version[3] == 200) ?
> + PIGLIT_PASS : PIGLIT_FAIL;
> + }
> +
> + result_endian_little_defined = (*endian_little_host == endian_little_defined) ?
> + PIGLIT_PASS : PIGLIT_FAIL;
> + if (endian_little_defined) {
> + result_endian_little = (endian_little == 1) ?
> + PIGLIT_PASS : PIGLIT_FAIL;
> + } else if (!*endian_little_host) {
> + result_endian_little = PIGLIT_PASS;
> + }
> +
> + result_image_support_defined = (*image_support_host == image_support_defined) ?
> + PIGLIT_PASS : PIGLIT_FAIL;
> + if (image_support_defined) {
> + result_image_support = (image_support == 1) ?
> + PIGLIT_PASS : PIGLIT_FAIL;
> + } else if (!*image_support_host) {
> + result_image_support = PIGLIT_PASS;
> + }
> +
> + /* report the results */
> + piglit_report_subtest_result(result_file_defined,
> + "__FILE__ must be defined");
> + piglit_merge_result(&result, result_file_defined);
> + piglit_report_subtest_result(result_line_defined,
> + "__LINE__ must be defined");
> + piglit_merge_result(&result, result_line_defined);
> + piglit_report_subtest_result(result_opencl_version_defined,
> + "__OPENCL_VERSION__ must be defined");
> + piglit_merge_result(&result, result_opencl_version_defined);
> + piglit_report_subtest_result(result_opencl_version,
> + "__OPENCL_VERSION__ must be consistent with host");
> + piglit_merge_result(&result, result_opencl_version);
> + piglit_report_subtest_result(result_opencl_c_version_defined,
> + "__OPENCL_C_VERSION__ must be defined for OpenCL 1.2 and later");
> + piglit_merge_result(&result, result_opencl_c_version_defined);
> + piglit_report_subtest_result(result_opencl_c_version,
> + "__OPENCL_C_VERSION__ must be consistent with host (if defined)");
> + piglit_merge_result(&result, result_opencl_c_version);
> + piglit_report_subtest_result(result_cl_version_defined[0],
> + "CL_VERSION_1_0 must be defined for OpenCL 1.1 and later");
> + piglit_merge_result(&result, result_cl_version_defined[0]);
> + piglit_report_subtest_result(result_cl_version_defined[1],
> + "CL_VERSION_1_1 must be defined for OpenCL 1.1 and later");
> + piglit_merge_result(&result, result_cl_version_defined[1]);
> + piglit_report_subtest_result(result_cl_version_defined[2],
> + "CL_VERSION_1_2 must be defined for OpenCL 1.2 and later");
> + piglit_merge_result(&result, result_cl_version_defined[2]);
> + piglit_report_subtest_result(result_cl_version_defined[3],
> + "CL_VERSION_2_0 must be defined for OpenCL 2.0 and later");
> + piglit_merge_result(&result, result_cl_version_defined[3]);
> + piglit_report_subtest_result(result_cl_version[0],
> + "CL_VERSION_1_0 must be 100 if defined");
> + piglit_merge_result(&result, result_cl_version[0]);
> + piglit_report_subtest_result(result_cl_version[1],
> + "CL_VERSION_1_1 must be 110 if defined");
> + piglit_merge_result(&result, result_cl_version[1]);
> + piglit_report_subtest_result(result_cl_version[2],
> + "CL_VERSION_1_2 must be 120 if defined");
> + piglit_merge_result(&result, result_cl_version[2]);
> + piglit_report_subtest_result(result_cl_version[3],
> + "CL_VERSION_2_0 must be 200 if defined");
> + piglit_merge_result(&result, result_cl_version[3]);
> + piglit_report_subtest_result(result_endian_little_defined,
> + "__ENDIAN_LITTLE__ must be consistent with host");
> + piglit_merge_result(&result, result_endian_little_defined);
> + piglit_report_subtest_result(result_endian_little,
> + "__ENDIAN_LITTLE__ must be 1 if defined");
> + piglit_merge_result(&result, result_endian_little);
> + piglit_report_subtest_result(result_image_support_defined,
> + "__IMAGE_SUPPORT__ must be consistent with host");
> + piglit_merge_result(&result, result_image_support_defined);
> + piglit_report_subtest_result(result_image_support,
> + "__IMAGE_SUPPORT__ must be 1 if defined");
> + piglit_merge_result(&result, result_image_support);
> +
> + /* free cl resources */
> + clReleaseMemObject(file_defined_mem);
> + clReleaseMemObject(line_defined_mem);
> + clReleaseMemObject(opencl_version_defined_mem);
> + clReleaseMemObject(opencl_version_mem);
> + clReleaseMemObject(opencl_c_version_defined_mem);
> + clReleaseMemObject(opencl_c_version_mem);
> + clReleaseMemObject(cl_version_defined_mem);
> + clReleaseMemObject(cl_version_mem);
> + clReleaseMemObject(endian_little_defined_mem);
> + clReleaseMemObject(endian_little_mem);
> + clReleaseMemObject(image_support_defined_mem);
> + clReleaseMemObject(image_support_mem);
> +
> + /* free host resources */
> + free(opencl_version_str_host);
> + free(opencl_c_version_str_host);
> + free(endian_little_host);
> + free(image_support_host);
> +
> + return result;
> +}
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