# Known Restrictions
* OpenCL support is limited to OpenCL 1.0 core specifications.
   * For a complete list of the supported OpenCL APIs, please refer to [Appendix B in Xilinx' UG1023 2018.3](https://www.xilinx.com/support/documentation/sw_manuals/xilinx2018_3/ug1023-sdaccel-user-guide.pdf)
* On device - only Global memory (i.e. external DRAM) is supported.
* Shared Virtual Memory (SVM) is not supported.