ahmed/OpenCL-CTS
1
0
Fork 0
mirror of https://github.com/KhronosGroup/OpenCL-CTS.git synced 2026-03-19 06:09:01 +00:00
Code Issues Packages Projects Releases Wiki Activity

Limit buffers sizes to leave some memory for the platform (#1172)

Browse Source 
Some conformance tests use directly the size returned by the runtime
for max memory size to allocate buffers.
This doesn't leave enough memory for the system to run the tests.
This commit is contained in:
arm-wk
2024-08-06 17:32:08 +01:00
committed by GitHub
parent 995e46590e
commit f47354680f
10 changed files with 186 additions and 170 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
test_common/harness/deviceInfo.cpp
View File

@@ -132,3 +132,42 @@ size_t get_max_param_size(cl_device_id device)
}
return ret;
}
static cl_ulong get_device_info_max_size(cl_device_id device,
cl_device_info info,
unsigned int divisor)
{
cl_ulong max_size;
if (divisor == 0)
{
throw std::runtime_error("Allocation divisor should not be 0\n");
}
if (clGetDeviceInfo(device, info, sizeof(max_size), &max_size, NULL)
!= CL_SUCCESS)
{
throw std::runtime_error("clGetDeviceInfo failed\n");
}
return max_size / divisor;
}
cl_ulong get_device_info_max_mem_alloc_size(cl_device_id device,
unsigned int divisor)
{
return get_device_info_max_size(device, CL_DEVICE_MAX_MEM_ALLOC_SIZE,
divisor);
}
cl_ulong get_device_info_global_mem_size(cl_device_id device,
unsigned int divisor)
{
return get_device_info_max_size(device, CL_DEVICE_GLOBAL_MEM_SIZE, divisor);
}
cl_ulong get_device_info_max_constant_buffer_size(cl_device_id device,
unsigned int divisor)
{
return get_device_info_max_size(device, CL_DEVICE_MAX_CONSTANT_BUFFER_SIZE,
divisor);
}

12
test_common/harness/deviceInfo.h
View File

@@ -48,4 +48,16 @@ std::string get_device_name(cl_device_id device);
// Returns the maximum size in bytes for Kernel Parameters
size_t get_max_param_size(cl_device_id device);
/* We need to use a portion of available alloc size,
* divide it to leave some memory for the platform. */
#define MAX_DEVICE_MEMORY_SIZE_DIVISOR (2)
/* Get max allocation size. */
cl_ulong get_device_info_max_mem_alloc_size(cl_device_id device,
unsigned int divisor = 1);
cl_ulong get_device_info_global_mem_size(cl_device_id device,
unsigned int divisor = 1);
cl_ulong get_device_info_max_constant_buffer_size(cl_device_id device,
unsigned int divisor = 1);
#endif // _deviceInfo_h