ocl: update program cache defaults

alalek · alalek · commit c3e409f9507f · 2016-12-22T04:52:43.000+03:00
diff --git a/modules/core/src/ocl.cpp b/modules/core/src/ocl.cpp
@@ -1267,7 +1267,7 @@ static size_t getProgramCountLimit()
     static size_t count = 0;
     if (!initialized)
     {
-        count = getConfigurationParameterForSize("OPENCV_OPENCL_PROGRAM_CACHE", 64);
+        count = getConfigurationParameterForSize("OPENCV_OPENCL_PROGRAM_CACHE", 0);
         initialized = true;
     }
     return count;
@@ -1412,6 +1412,14 @@ struct Context::Impl
                 size_t sz = phash.size();
                 if (limit > 0 && sz >= limit)
                 {
+                    static bool warningFlag = false;
+                    if (!warningFlag)
+                    {
+                        printf("\nWARNING: OpenCV-OpenCL:\n"
+                            "    In-memory cache for OpenCL programs is full, older programs will be unloaded.\n"
+                            "    You can change cache size via OPENCV_OPENCL_PROGRAM_CACHE environment variable\n\n");
+                        warningFlag = true;
+                    }
                     while (!cacheList.empty())
                     {
                         size_t c = phash.erase(cacheList.back());

Original file line number	Diff line number	Diff line change
`@@ -1267,7 +1267,7 @@ static size_t getProgramCountLimit()`
`1267`	`1267`	`static size_t count = 0;`
`1268`	`1268`	`if (!initialized)`
`1269`	`1269`	`{`
`1270`		`- count = getConfigurationParameterForSize("OPENCV_OPENCL_PROGRAM_CACHE", 64);`
	`1270`	`+ count = getConfigurationParameterForSize("OPENCV_OPENCL_PROGRAM_CACHE", 0);`
`1271`	`1271`	`initialized = true;`
`1272`	`1272`	`}`
`1273`	`1273`	`return count;`
`@@ -1412,6 +1412,14 @@ struct Context::Impl`
`1412`	`1412`	`size_t sz = phash.size();`
`1413`	`1413`	`if (limit > 0 && sz >= limit)`
`1414`	`1414`	`{`
	`1415`	`+ static bool warningFlag = false;`
	`1416`	`+ if (!warningFlag)`
	`1417`	`+ {`
	`1418`	`+ printf("\nWARNING: OpenCV-OpenCL:\n"`
	`1419`	`+ " In-memory cache for OpenCL programs is full, older programs will be unloaded.\n"`
	`1420`	`+ " You can change cache size via OPENCV_OPENCL_PROGRAM_CACHE environment variable\n\n");`
	`1421`	`+ warningFlag = true;`
	`1422`	`+ }`
`1415`	`1423`	`while (!cacheList.empty())`
`1416`	`1424`	`{`
`1417`	`1425`	`size_t c = phash.erase(cacheList.back());`