                 genome,
                 stats );
         }
+
+        log_visible(stderr, "  testing q-group index... done\n");
     }
 
     log_info(stderr, "q-gram test... done\n" );

    Timer timer;
    timer.start();

    // and search the genome q-grams in the index
    thrust::transform(
        d_qgrams.begin(),
        d_qgrams.begin() + n_queries,


    log_info(stderr, "  q-gram filter... started\n");

    //
    // search the sorted query q-grams with a q-gram filter
    //

    QGramFilter qgram_filter;

    timer.start();

    qgram_filter.enact(
        nvbio::plain_view( qgram_index ),
        n_queries,
