diff options
Diffstat (limited to 'intern/cycles/device/opencl/opencl_split.cpp')
| -rw-r--r-- | intern/cycles/device/opencl/opencl_split.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/intern/cycles/device/opencl/opencl_split.cpp b/intern/cycles/device/opencl/opencl_split.cpp index ae623d22f07..2125f3d126f 100644 --- a/intern/cycles/device/opencl/opencl_split.cpp +++ b/intern/cycles/device/opencl/opencl_split.cpp @@ -430,7 +430,10 @@ public: << string_human_readable_number(max_buffer_size) << " bytes. (" << string_human_readable_size(max_buffer_size) << ")."; - size_t num_elements = max_elements_for_max_buffer_size(kg, data, max_buffer_size / 2); + /* Limit to 2gb, as we shouldn't need more than that and some devices may support much more. */ + max_buffer_size = min(max_buffer_size / 2, (cl_ulong)2l*1024*1024*1024); + + size_t num_elements = max_elements_for_max_buffer_size(kg, data, max_buffer_size); int2 global_size = make_int2(max(round_down((int)sqrt(num_elements), 64), 64), (int)sqrt(num_elements)); VLOG(1) << "Global size: " << global_size << "."; return global_size; |