diff --git a/source/engine/mecanisms.js b/source/engine/mecanisms.js
index 4feac591a..6becac48c 100644
--- a/source/engine/mecanisms.js
+++ b/source/engine/mecanisms.js
@@ -458,7 +458,7 @@ export let mecanismInversion = dottedName => (recurse, k, v) => {
 
 		let evaluatedNode = rewriteNode(node, nodeValue, null, collectMissing)
 		// rewrite the simulation cache with the definitive inversion values
-		
+
 		R.toPairs(inversion.inversionCache).map(([k,v])=>cache[k] = v)
 		return evaluatedNode
 	}
diff --git a/source/reducers.js b/source/reducers.js
index 504eaba0c..8d25baf33 100644
--- a/source/reducers.js
+++ b/source/reducers.js
@@ -64,8 +64,11 @@ export let reduceSteps = (tracker, flatRules, answerSource) => (
 
 	let
 		parsedRules = R.path(['analysis', 'parsedRules'], state),
+		date = Date.now(),
 		analysis = analyseMany(state.parsedRules, targetNames)(situationWithDefaults(state)),
+		yaya = console.log('Date.now(', Date.now() - date),
 		nextWithDefaults = getNextSteps(situationWithDefaults(state), analysis),
+		yaaya = console.log('Date.now2(', Date.now() - date),
 		assumptionsMade = !R.isEmpty(rulesDefaults),
 		done = nextWithDefaults.length == 0
 
@@ -83,6 +86,7 @@ export let reduceSteps = (tracker, flatRules, answerSource) => (
 			nextWithoutDefaults(state, analysis, targetNames, intermediateSituation)
 			: {currentQuestion: head(nextWithDefaults), nextSteps: nextWithDefaults, })
 	}
+	console.log('Date.now3(', Date.now() - date)
 
 	if (action.type == START_CONVERSATION) {
 		return {