Make benchmark for Util.isDistinct and Util.firstDuplicate less random.
Make benchmark for Util.isDistinct and Util.firstDuplicate less random.

sudheeshkatkam/incubator-calcite,looker-open-source/calcite,sreev/incubator-calcite,YrAuYong/incubator-calcite,minji-kim/calcite,yeongwei/incubator-calcite,mapr/incubator-calcite,glimpseio/incubator-calcite,glimpseio/incubator-calcite,yeongwei/incubator-calcite,joshelser/incubator-calcite,dindin5258/calcite,vlsi/calcite,vlsi/calcite,looker-open-source/calcite,jinfengni/optiq,julianhyde/calcite,apache/calcite,yeongwei/incubator-calcite,sudheeshkatkam/incubator-calcite,sreev/incubator-calcite,looker-open-source/calcite,joshelser/calcite-avatica,sreev/incubator-calcite,vlsi/incubator-calcite,YrAuYong/incubator-calcite,datametica/calcite,b-slim/calcite,arina-ielchiieva/calcite,julianhyde/calcite,hsuanyi/incubator-calcite,yeongwei/incubator-calcite,dindin5258/calcite,julianhyde/calcite,mapr/incubator-calcite,hsuanyi/incubator-calcite,amansinha100/incubator-calcite,joshelser/incubator-calcite,looker-open-source/calcite,looker-open-source/calcite-avatica,jinfengni/incubator-optiq,xhoong/incubator-calcite,b-slim/calcite,sudheeshkatkam/incubator-calcite,joshelser/incubator-calcite,looker-open-source/calcite,adeshr/incubator-calcite,minji-kim/calcite,apache/calcite,devth/calcite,datametica/calcite,amansinha100/incubator-calcite,adeshr/incubator-calcite,apache/calcite-avatica,jcamachor/calcite,YrAuYong/incubator-calcite,datametica/calcite,apache/calcite,adeshr/incubator-calcite,hsuanyi/optiq,dindin5258/calcite,looker-open-source/calcite-avatica,dindin5258/calcite,looker-open-source/calcite-avatica,apache/calcite,dindin5258/calcite,wanglan/calcite,jinfengni/optiq,looker-open-source/calcite-avatica,xhoong/incubator-calcite,mprudhom/incubator-optiq,vlsi/calcite,googleinterns/calcite,vlsi/calcite,amoghmargoor/incubator-calcite,b-slim/calcite,xhoong/incubator-calcite,googleinterns/calcite,mprudhom/incubator-optiq,julianhyde/optiq,minji-kim/calcite,arina-ielchiieva/calcite,amoghmargoor/incubator-calcite,devth/calcite,jcamachor/calcite,datametica/calcite,adeshr/incubator-calcite,YrAuYong/incubator-calcite,b-slim/calcite,joshelser/incubator-calcite,joshelser/calcite-avatica,apache/calcite-avatica,apache/calcite,minji-kim/calcite,arina-ielchiieva/calcite,jcamachor/calcite,datametica/calcite,looker-open-source/calcite,glimpseio/incubator-calcite,arina-ielchiieva/calcite,hsuanyi/optiq,apache/calcite-avatica,minji-kim/calcite,jcamachor/calcite,googleinterns/calcite,googleinterns/calcite,dindin5258/calcite,datametica/calcite,wanglan/calcite,vlsi/calcite,hsuanyi/incubator-calcite,xhoong/incubator-calcite,vlsi/incubator-calcite,jcamachor/calcite,googleinterns/calcite,julianhyde/calcite,amoghmargoor/incubator-calcite,jinfengni/incubator-optiq,apache/calcite,julianhyde/optiq,mehant/incubator-calcite,googleinterns/calcite,b-slim/calcite,mehant/incubator-calcite,vlsi/calcite,hsuanyi/incubator-calcite,wanglan/calcite,sudheeshkatkam/incubator-calcite,julianhyde/calcite,joshelser/calcite-avatica,apache/calcite-avatica,arina-ielchiieva/calcite,looker-open-source/calcite-avatica,wanglan/calcite,amoghmargoor/incubator-calcite,sreev/incubator-calcite,glimpseio/incubator-calcite,apache/calcite-avatica,julianhyde/calcite,jcamachor/calcite