Add a cautionary note in Program::GetIR and mention the fix in CHANGELOG

2 files changed, 5 insertions, 0 deletions

diff --git a/CHANGELOG b/CHANGELOG
index 9cedb779..9bdf6fa2 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -4,6 +4,7 @@ Development version (next version)
 - Added batched routines to pyclblast
 - Added CLBLAST_VERSION_MAJOR/MINOR/PATCH defines in headers to store version numbering
 - Various minor fixes and enhancements
+- Fixed a bug in the caching when using a context with multiple devices
 
 Version 1.5.1
 - Implemented single-kernel version of convolution as GEMM
diff --git a/src/clpp11.hpp b/src/clpp11.hpp
index 7465fd94..2a25606c 100644
--- a/src/clpp11.hpp
+++ b/src/clpp11.hpp
@@ -519,6 +519,10 @@ class Program {
 
     auto bytes       = size_t{0};
     auto binSizeIter = size_t{0};
+    // Loop over the program binary sizes to find a binary whose size is > 0.
+    // The current logic assumes that there ever is only one valid program binary
+    // in a given cl_program. This should be the case unless the cl_program
+    // is built for all or a subset of devices associated to a given cl_program
     for (; binSizeIter < binSizesInBytes.size(); ++binSizeIter) {
         if (binSizesInBytes[binSizeIter] > 0) {
             bytes = binSizesInBytes[binSizeIter];