suggestion reqd Perf tuning

this my onconfig file. I am using Informix Dynamic Server Version 7.31.UD6W4, HP-UX 11.11 , no of cpus- 2, REPORT SERVER (used for creating report purposes). Memory 1387036K(1260472k) real, 1847708K (1682688k), virtual 4262876k free pages, Just want see some imporovement in cpu perf. shall i set AFF_NPROCS = 1 , ROOTNAME prd_my_rootdbs # Root dbspace name ROOTPATH /dev/infdevprd_my/prd_my_rootdbs.1 # Path for device containing root dbspace ROOTOFFSET 0 # Offset of root dbspace into device (Kbytes) ROOTSIZE 512000 # Size of root dbspace (Kbytes) # Disk Mirroring Configuration Parameters MIRROR 0 # Mirroring flag (Yes = 1, No = 0) MIRRORPATH # Path for device containing mirroredroot MIRROROFFSET 0 # Offset into mirrored device (Kbytes) # Physical Log Configuration PHYSDBS prd_my_plogdbs1 # Location (dbspace) of physical log PHYSFILE 200000 # Physical log file size (Kbytes) # Logical Log Configuration LOGFILES 40 # Number of logical log files LOGSIZE 50000 # Logical log size (Kbytes) # Diagnostics MPATH /usr/informix__prd_my/logs/prd_my_srv.log # System message log file path CONSOLE /dev/console # System console message path ALARMPROGRAM /usr/informix_prd_my/etc/no_log.sh # Alarm program path SYSALARMPROGRAM /usr/informix__prd_my/etc/evidence.sh # System Alarm program path TBLSPACE_STATS 1 # System Archive Tape Device TAPEDEV /dev/null # Tape device path TAPEBLK 512 # Tape block size (Kbytes) TAPESIZE 80000000 # Maximum amount of data to put on tape (Kbytes) # Log Archive Tape Device LTAPEDEV /dev/null # Log tape device path LTAPEBLK 512 # Log tape block size (Kbytes) LTAPESIZE 8000000 # Max amount of data to put on log tape (Kbytes) # Optical STAGEBLOB # Informix Dynamic Server/Optical staging area # System Configuration SERVERNUM 3 # Unique id corresponding to a DynamicServer in stance DBSERVERNAME prd_my_srv # Name of default database server DBSERVERALIASES # List of alternate dbservernames NETTYPE soctcp,2,150,NET # Configure poll thread(s) for nettype DEADLOCK_TIMEOUT 60 # Max time to wait of lock indistributed env. RESIDENT 1 # Forced residency flag (Yes = 1, No = 0) MULTIPROCESSOR 1 # 0 for single-processor, 1 formulti-processor NUMCPUVPS 2 # Number of user (cpu) vps SINGLE_CPU_VP 0 # If non-zero, limit number of cpu vpsto one NOAGE 1 # Process aging AFF_SPROC 0 # Affinity start processor AFF_NPROCS 0 # Affinity number of processors # Shared Memory Parameters LOCKS 500000 # Maximum number of locks BUFFERS 100000 # Maximum number of shared buffers NUMAIOVPS 30 # Number of IO vps PHYSBUFF 512 # Physical log buffer size (Kbytes) LOGBUFF 512 # Logical log buffer size (Kbytes) LOGSMAX 100 # Maximum number of logical log files CLEANERS 20 # Number of buffer cleaner processes SHMBASE 0x0 # Shared memory base address SHMVIRTSIZE 256000 # initial virtual shared memory segment size SHMADD 128000 # Size of new shared memory segments (Kbytes) SHMTOTAL 0 # Total shared memory (Kbytes). 0=>unlimited CKPTINTVL 1200 # Check point interval (in sec) LRUS 127 # Number of LRU queues LRU_MAX_DIRTY 5 # LRU percent dirty begin cleaninglimit LRU_MIN_DIRTY 2 # LRU percent dirty end cleaning limit LTXHWM 50 # Long transaction high water markpercentage LTXEHWM 60 # Long transaction high water mark (exclusive) TXTIMEOUT 0x12c # Transaction timeout (in sec) STACKSIZE 32 # Stack size (Kbytes) # System Page Size # BUFFSIZE - Dynamic Server no longer supports this configuration parameter. # To determine the page size used by Dynamic Server on your platform # see the last line of output from the command, 'onstat -b'. # Recovery Variables # Number of parallel worker threads during fast recovery or an offline restore. # ON_RECVRY_THREADS: # Number of parallel worker threads during an online restore. OFF_RECVRY_THREADS 10 # Default number of offline workerthreads ON_RECVRY_THREADS 1 # Default number of online workerthreads # Data Replication Variables # DRAUTO: 0 manual, 1 retain type, 2 reverse type DRAUTO 0 # DR automatic switchover DRINTERVAL 30 # DR max time between DR buffer flushes (in sec) DRTIMEOUT 30 # DR network timeout (in sec) DRLOSTFOUND /usr/informix__prd_my/etc/dr.lostfound # DR lost+found file path # CDR Variables CDR_LOGBUFFERS 2048 # size of log reading buffer pool (Kbytes) CDR_EVALTHREADS 1,2 # evaluator threads (per-cpu-vp,additional) CDR_DSLOCKWAIT 5 # DS lockwait timeout (seconds) CDR_QUEUEMEM 4096 # Maximum amount of memory for any CDR queue (Kb ytes) CDR_LOGDELTA 30 # % of log space allowed in queue memory CDR_NUMCONNECT 16 # Expected connections per server CDR_NIFRETRY 300 # Connection retry (seconds) CDR_NIFCOMPRESS 0 # Link level compression (-1 never, 0 none, 9 ma x) # Backup/Restore variables BAR_ACT_LOG /usr/informix_prd_my/logs/bar_act.log # ON-Bar Log file - not in /tmp please BAR_DEBUG_LOG /usr/informix__prd_my/logs/bar_dbug.log # ON-Bar Debug Log - not in /tmp please BAR_MAX_BACKUP 0 BAR_RETRY 1 BAR_NB_XPORT_COUNT 10 BAR_XFER_BUF_SIZE 31 # Informix Storage Manager variables ISM_DATA_POOL ISMData # If the data pool name is changed, be sure to # update $INFORMIXDIR/bin/onbar. Change to # ism_catalog -create_bootstrap -pool <new name> ISM_LOG_POOL ISMLogs # Read Ahead Variables RA_PAGES # Number of pages to attempt to readahead RA_THRESH