https://community.intel.com/t5/OpenCL-for-CPU/Complex-matrix-multiplication-OpenCL/m-p/1272753#M6890 <P>Hello!</P> <P>Do you already have a version of the matrix multiplication kernel that works on real (non-complex) numbers?&nbsp; If not, this is a good place to get started:</P> <P><A href="https://software.intel.com/content/www/us/en/develop/articles/sgemm-for-intel-processor-graphics.html" target="_blank">https://software.intel.com/content/www/us/en/develop/articles/sgemm-for-intel-processor-graphics.html</A></P> <P>Once you have a matrix multiplication kernel that works on real numbers, to convert to a kernel that works on complex numbers you'll need to change the inner-most loop to perform a complex multiplication and add rather than a real (non-complex) mulitplication and add.&nbsp; The multiplication part can be a bit tricky, but the add is pretty straightforward.</P> <P>If you get this working can you post your code?&nbsp; My google search found several others asking similar questions, but I didn't find a working example... yet!</P> Mon, 12 Apr 2021 06:11:37 GMT Ben_A_Intel 2021-04-12T06:11:37Z https://community.intel.com/t5/OpenCL-for-CPU/Complex-matrix-multiplication-OpenCL/m-p/1271549#M6888 <P><SPAN>i’m a new programmer on opencl, i’ve to perform a multiplication of 2 complex matrix but i don’t know how to deal with complex matrix on opencl. please any help?</SPAN><BR /><SPAN>I already tried matrix multiplication with normal numbers.</SPAN></P> Wed, 07 Apr 2021 10:07:14 GMT https://community.intel.com/t5/OpenCL-for-CPU/Complex-matrix-multiplication-OpenCL/m-p/1271549#M6888 c7890 2021-04-07T10:07:14Z https://community.intel.com/t5/OpenCL-for-CPU/Complex-matrix-multiplication-OpenCL/m-p/1272753#M6890 <P>Hello!</P> <P>Do you already have a version of the matrix multiplication kernel that works on real (non-complex) numbers?&nbsp; If not, this is a good place to get started:</P> <P><A href="https://software.intel.com/content/www/us/en/develop/articles/sgemm-for-intel-processor-graphics.html" target="_blank">https://software.intel.com/content/www/us/en/develop/articles/sgemm-for-intel-processor-graphics.html</A></P> <P>Once you have a matrix multiplication kernel that works on real numbers, to convert to a kernel that works on complex numbers you'll need to change the inner-most loop to perform a complex multiplication and add rather than a real (non-complex) mulitplication and add.&nbsp; The multiplication part can be a bit tricky, but the add is pretty straightforward.</P> <P>If you get this working can you post your code?&nbsp; My google search found several others asking similar questions, but I didn't find a working example... yet!</P> Mon, 12 Apr 2021 06:11:37 GMT https://community.intel.com/t5/OpenCL-for-CPU/Complex-matrix-multiplication-OpenCL/m-p/1272753#M6890 Ben_A_Intel 2021-04-12T06:11:37Z