title: batchedgemm source code?
body: <p>I have a special sort of problem.</p>
  
  <p>I have some research code that I have developed on my macbook using CUDA 4.1, especially using <code>batchedgemm</code>. I now have to run it on a cluster of gpu's that I have loaned from another institution. </p>
  
  <p>My problem is that the Cluster only has CUDA 4.0 installed, and they are reluctant to upgrade fast. </p>
  
  <p>Does anyone know if I can get the source for batchedgemm somewhere and compile it to work under 4.0?</p>
  
  <p>I've writen my own kernel for doing batched multiplications, but it performes an order of about 10 slower than the library one - I would like to stand on the shoulders of great men instead of on their toes.</p>