Update MEMSET_LOOP_LIMIT to 1024 because it is the best value for most platforms.
Update MEMSET_LOOP_LIMIT to 1024 because it is the best value for most
platforms.

adam8157/gpdb,adam8157/gpdb,ahachete/gpdb,xinzweb/gpdb,postmind-net/postgres-xl,janebeckman/gpdb,jmcatamney/gpdb,janebeckman/gpdb,tangp3/gpdb,jmcatamney/gpdb,edespino/gpdb,lintzc/gpdb,Postgres-XL/Postgres-XL,jmcatamney/gpdb,ahachete/gpdb,arcivanov/postgres-xl,ashwinstar/gpdb,atris/gpdb,ashwinstar/gpdb,cjcjameson/gpdb,xuegang/gpdb,Quikling/gpdb,foyzur/gpdb,cjcjameson/gpdb,snaga/postgres-xl,pavanvd/postgres-xl,0x0FFF/gpdb,Chibin/gpdb,Postgres-XL/Postgres-XL,zeroae/postgres-xl,zeroae/postgres-xl,ovr/postgres-xl,ahachete/gpdb,techdragon/Postgres-XL,janebeckman/gpdb,randomtask1155/gpdb,Chibin/gpdb,rubikloud/gpdb,ovr/postgres-xl,0x0FFF/gpdb,Chibin/gpdb,xinzweb/gpdb,edespino/gpdb,lintzc/gpdb,edespino/gpdb,lpetrov-pivotal/gpdb,royc1/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,CraigHarris/gpdb,zaksoup/gpdb,xuegang/gpdb,snaga/postgres-xl,yuanzhao/gpdb,yazun/postgres-xl,greenplum-db/gpdb,cjcjameson/gpdb,kaknikhil/gpdb,pavanvd/postgres-xl,rvs/gpdb,xinzweb/gpdb,xinzweb/gpdb,arcivanov/postgres-xl,royc1/gpdb,lintzc/gpdb,randomtask1155/gpdb,Chibin/gpdb,yuanzhao/gpdb,kaknikhil/gpdb,ashwinstar/gpdb,chrishajas/gpdb,edespino/gpdb,lintzc/gpdb,yuanzhao/gpdb,zaksoup/gpdb,cjcjameson/gpdb,rubikloud/gpdb,greenplum-db/gpdb,0x0FFF/gpdb,chrishajas/gpdb,Quikling/gpdb,greenplum-db/gpdb,Quikling/gpdb,tpostgres-projects/tPostgres,ashwinstar/gpdb,50wu/gpdb,0x0FFF/gpdb,ashwinstar/gpdb,kmjungersen/PostgresXL,pavanvd/postgres-xl,kaknikhil/gpdb,ahachete/gpdb,foyzur/gpdb,postmind-net/postgres-xl,kmjungersen/PostgresXL,Postgres-XL/Postgres-XL,rvs/gpdb,randomtask1155/gpdb,yazun/postgres-xl,foyzur/gpdb,xuegang/gpdb,edespino/gpdb,rvs/gpdb,zeroae/postgres-xl,Chibin/gpdb,xuegang/gpdb,adam8157/gpdb,tangp3/gpdb,rubikloud/gpdb,xuegang/gpdb,oberstet/postgres-xl,CraigHarris/gpdb,CraigHarris/gpdb,ovr/postgres-xl,kaknikhil/gpdb,yuanzhao/gpdb,xinzweb/gpdb,foyzur/gpdb,kaknikhil/gpdb,oberstet/postgres-xl,atris/gpdb,chrishajas/gpdb,ashwinstar/gpdb,xinzweb/gpdb,royc1/gpdb,rubikloud/gpdb,zaksoup/gpdb,cjcjameson/gpdb,janebeckman/gpdb,jmcatamney/gpdb,chrishajas/gpdb,janebeckman/gpdb,lisakowen/gpdb,adam8157/gpdb,rubikloud/gpdb,atris/gpdb,cjcjameson/gpdb,tangp3/gpdb,royc1/gpdb,Chibin/gpdb,0x0FFF/gpdb,jmcatamney/gpdb,lintzc/gpdb,postmind-net/postgres-xl,foyzur/gpdb,zaksoup/gpdb,lisakowen/gpdb,randomtask1155/gpdb,kaknikhil/gpdb,atris/gpdb,tangp3/gpdb,jmcatamney/gpdb,zeroae/postgres-xl,zaksoup/gpdb,lintzc/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,Quikling/gpdb,cjcjameson/gpdb,CraigHarris/gpdb,xuegang/gpdb,techdragon/Postgres-XL,kmjungersen/PostgresXL,edespino/gpdb,kaknikhil/gpdb,foyzur/gpdb,CraigHarris/gpdb,xuegang/gpdb,tpostgres-projects/tPostgres,rvs/gpdb,zaksoup/gpdb,greenplum-db/gpdb,Chibin/gpdb,chrishajas/gpdb,50wu/gpdb,snaga/postgres-xl,edespino/gpdb,rubikloud/gpdb,tangp3/gpdb,snaga/postgres-xl,zeroae/postgres-xl,50wu/gpdb,royc1/gpdb,tangp3/gpdb,oberstet/postgres-xl,lpetrov-pivotal/gpdb,ovr/postgres-xl,0x0FFF/gpdb,arcivanov/postgres-xl,50wu/gpdb,royc1/gpdb,Quikling/gpdb,cjcjameson/gpdb,lisakowen/gpdb,atris/gpdb,oberstet/postgres-xl,lpetrov-pivotal/gpdb,0x0FFF/gpdb,kaknikhil/gpdb,arcivanov/postgres-xl,janebeckman/gpdb,yuanzhao/gpdb,postmind-net/postgres-xl,50wu/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,janebeckman/gpdb,Chibin/gpdb,kaknikhil/gpdb,chrishajas/gpdb,kaknikhil/gpdb,lisakowen/gpdb,ashwinstar/gpdb,cjcjameson/gpdb,adam8157/gpdb,rvs/gpdb,tangp3/gpdb,pavanvd/postgres-xl,rvs/gpdb,greenplum-db/gpdb,tangp3/gpdb,xuegang/gpdb,rubikloud/gpdb,atris/gpdb,Chibin/gpdb,Quikling/gpdb,royc1/gpdb,kmjungersen/PostgresXL,atris/gpdb,adam8157/gpdb,lintzc/gpdb,50wu/gpdb,techdragon/Postgres-XL,Chibin/gpdb,lisakowen/gpdb,CraigHarris/gpdb,greenplum-db/gpdb,jmcatamney/gpdb,lpetrov-pivotal/gpdb,lpetrov-pivotal/gpdb,arcivanov/postgres-xl,ovr/postgres-xl,50wu/gpdb,lisakowen/gpdb,yuanzhao/gpdb,randomtask1155/gpdb,Quikling/gpdb,postmind-net/postgres-xl,zaksoup/gpdb,randomtask1155/gpdb,janebeckman/gpdb,techdragon/Postgres-XL,xinzweb/gpdb,janebeckman/gpdb,adam8157/gpdb,lintzc/gpdb,ahachete/gpdb,yuanzhao/gpdb,lpetrov-pivotal/gpdb,randomtask1155/gpdb,Postgres-XL/Postgres-XL,ahachete/gpdb,lpetrov-pivotal/gpdb,yazun/postgres-xl,snaga/postgres-xl,yazun/postgres-xl,edespino/gpdb,50wu/gpdb,edespino/gpdb,adam8157/gpdb,atris/gpdb,ahachete/gpdb,lintzc/gpdb,ahachete/gpdb,cjcjameson/gpdb,janebeckman/gpdb,0x0FFF/gpdb,xuegang/gpdb,foyzur/gpdb,CraigHarris/gpdb,rvs/gpdb,arcivanov/postgres-xl,pavanvd/postgres-xl,Quikling/gpdb,rvs/gpdb,tpostgres-projects/tPostgres,yazun/postgres-xl,tpostgres-projects/tPostgres,chrishajas/gpdb,techdragon/Postgres-XL,Postgres-XL/Postgres-XL,lisakowen/gpdb,foyzur/gpdb,kmjungersen/PostgresXL,royc1/gpdb,Quikling/gpdb,Quikling/gpdb,rvs/gpdb,chrishajas/gpdb,lisakowen/gpdb,zaksoup/gpdb,CraigHarris/gpdb,oberstet/postgres-xl,yuanzhao/gpdb,CraigHarris/gpdb,tpostgres-projects/tPostgres,randomtask1155/gpdb,edespino/gpdb,rubikloud/gpdb,xinzweb/gpdb,rvs/gpdb,lpetrov-pivotal/gpdb