private static Map.Entry<String, RankingExpressionFunction> findUncompiledFunction(Map<String, RankingExpressionFunction> functions,
                                                                                       Set<String> compiledFunctionNames) {
        for (Map.Entry<String, RankingExpressionFunction> entry : functions.entrySet()) {
            if ( ! compiledFunctionNames.contains(entry.getKey()))
                return entry;
        }
        return null;
    }
Returns a copy of this where the content is optimized for execution.
Compiled profiles should never be modified.
config-model/src/main/java/com/yahoo/schema/RankProfile.java