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| author | Gil Pitney <gil.pitney@linaro.org> | 2015-07-22 22:23:47 +0000 |
|---|---|---|
| committer | Gil Pitney <gil.pitney@linaro.org> | 2015-07-22 22:23:47 +0000 |
| commit | ec33599fdc863027998ff60ec23a0666f204ae45 (patch) | |
| tree | 24faf042b1c5fd1b56a2b2f8988d3f649dfa3929 | |
| parent | 791ca3d2e8745e1abe2c2c66db41a20ec51bd6ea (diff) | |
Ensure CL_DEVICE_MAX_MEM_ALLOC_SIZE info function returns 1/4 of global mem
Per the v1.2 spec, minimum size for maximum memory allocatable must be 1/4
the size of CL_DEVICE_GLOBAL_MEM_SIZE.
This enables the Khronos test
% test_api min_max_mem_alloc_size
to PASS.
Signed-off-by: Gil Pitney <gil.pitney@linaro.org>
| -rw-r--r-- | src/core/cpu/device.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/core/cpu/device.cpp b/src/core/cpu/device.cpp index d8f4ed3..3d16100 100644 --- a/src/core/cpu/device.cpp +++ b/src/core/cpu/device.cpp @@ -599,9 +599,16 @@ cl_int CPUDevice::info(cl_device_info param_name, break; case CL_DEVICE_MAX_MEM_ALLOC_SIZE: + { + // Minimum size must be 1/4 the size of CL_DEVICE_GLOBAL_MEM_SIZE: + unsigned long global_size_bytes = parse_file_line_value("/proc/meminfo", + "MemTotal:", 512*1024) * 1024; + SIMPLE_ASSIGN(cl_ulong, global_size_bytes >> 2); + } + break; + case CL_DEVICE_MAX_CONSTANT_BUFFER_SIZE: // TODO: 1 Gio seems to be enough for software acceleration - #if defined(__arm__) SIMPLE_ASSIGN(cl_ulong, HALF_GIGABYTE); #else |