diff --git a/NOTES b/NOTES
index 8a76512..43cdd6b 100644
--- a/NOTES
+++ b/NOTES
@@ -351,3 +351,30 @@ begin:
           }
       }
 
+
+
+-----------------
+
+    public void setPurpose(String purpose) {
+        purpose_ = purpose;
+    }
+
+    public void logTimers(String what) {
+        LOG.info(String.format("UOW(%s) %s %s (total: %.3fµs db: %.3fµs or %2.2f%% of total time)",
+                hashCode(), purpose_, what,
+                elapsedTime_.elapsed(TimeUnit.MICROSECONDS) / 1000.0,
+                databaseTime_.elapsed(TimeUnit.MICROSECONDS) / 1000.0,
+                (elapsedTime_.elapsed(TimeUnit.MICROSECONDS) / databaseTime_.elapsed(TimeUnit.MICROSECONDS)) * 100.0));
+    }
+
+--- postCommitFunction
+        elapsedTime_.stop();
+        if (purpose_ != null) {
+            logTimers("committed");
+        }
+
+--- abort
+            elapsedTime_.stop();
+            if (purpose_ != null) {
+                logTimers("aborted");
+            }
diff --git a/src/main/java/net/helenus/core/AbstractUnitOfWork.java b/src/main/java/net/helenus/core/AbstractUnitOfWork.java
index 1bc6683..bea74ca 100644
--- a/src/main/java/net/helenus/core/AbstractUnitOfWork.java
+++ b/src/main/java/net/helenus/core/AbstractUnitOfWork.java
@@ -18,6 +18,7 @@ package net.helenus.core;
 import java.util.*;
 
 import com.diffplug.common.base.Errors;
+import com.google.common.cache.Cache;
 import com.google.common.collect.HashBasedTable;
 import com.google.common.collect.Table;
 import com.google.common.collect.TreeTraverser;
@@ -33,6 +34,10 @@ public abstract class AbstractUnitOfWork<E extends Exception> implements UnitOfW
 	private boolean aborted = false;
 	private boolean committed = false;
 
+    private String purpose_;
+    private Stopwatch elapsedTime_;
+    public Stopwatch databaseTime_;
+
 	// Cache:
 	private final Table<String, String, Object> cache = HashBasedTable.create();
 
@@ -86,7 +91,11 @@ public abstract class AbstractUnitOfWork<E extends Exception> implements UnitOfW
 			// Be sure to check all enclosing UnitOfWork caches as well, we may be nested.
 			if (parent != null) {
 				return parent.cacheLookup(facets);
-			}
+			} else {
+			    Cache<String, Object> cache = session.getSessionCache();
+
+			    cache.getIfPresent(key)
+            }
 		}
 		return result;
 	}
@@ -141,9 +150,10 @@ public abstract class AbstractUnitOfWork<E extends Exception> implements UnitOfW
 			// Merge UOW cache into parent's cache.
 			if (parent != null) {
 				parent.mergeCache(cache);
-			} // else {
-				// TODO... merge into session cache objects marked cacheable
-				// }
+			} else {
+                Cache<String, Object> cache = session.getSessionCache();
+                cache.put
+            }
 
 			// Apply all post-commit functions for
 			if (parent == null) {