Changeset 10776

Timestamp:

Dec 15, 2006, 7:35:27 PM (19 years ago)

Author:

magnier

Message:

notes on throughput

File:

• trunk/psModules/src/imcombine/pmReadoutCombine.c (modified) (2 diffs)

trunk/psModules/src/imcombine/pmReadoutCombine.c

@@ -363 +363 @@
             }
 
+            // XXXXX this step probably is very expensive : convert errors to variance everywhere?
             if (params->weights) {
                 errors = (psVector*)psUnaryOp(errors, weights, "sqrt");
@@ -373 +374 @@
                 float stdev = psStatsGetValue(stats, combineStdev);
                 outputWeight[yOut][xOut] = PS_SQR(stdev); // Variance
+                // XXXX this is not the correct formal error.
+                // also, the weighted mean is not obviously the correct thing here
             }
         }