2934460 - Binary loads slower than IQ 15.4 -- SAP IQ

Binary loads are taking longer in SAP IQ 16.1 release as compared to IQ 15.4 release.
IQ 16.1 host has more RAM as well more cores than IQ 15.4 host.
There are no indexes on target load table.

Load Timing on legacy IQ 15.4 Server:  ( -iqmc 50000 -iqtc 30000 )
     Sybase IQ/15.4.0.3027/130221/P/ESD 3/Sun_x64/OS 5.10/64bit/2013-02-21 19:58:48

     TableName  Index RowCount LoadTime(Sec) Legecy TableSize(MB)
     Orders_1      No    8084287         132                1093

Load Timing on IQ 16.1 Server: ( -iqmc 184320 -iqtc 184320 -iqlm 184320 )
     SAP IQ/16.1.030.1437/12655/P/sp03.06/Linux/Linux64 - x86_64 - 3.10.0-327/64bit/2019-07-03 03:18:26

     TableName Index RowCount LoadTime(Sec) GEN3 TableSize(MB)
      Orders_1    No      8084287          185                 848

IQ 16.1 SP03+

binary load performace, , KBA , BC-SYB-IQ , Sybase IQ , Bug Filed