Re: [HACKERS] EncodeDateTime performance

2008-09-18 Thread Heikki Linnakangas
George McCollister wrote: oprofile is showing that memset (via dopr) is using about 60% of the CPU. I traced back further and noticed most of the usage was coming from EncodeDateTime. I'm not quite sure why oprofile is showing that memset is hogging so much CPU. Regardless, I found way to eli

[HACKERS] EncodeDateTime performance

2008-09-15 Thread George McCollister
I'm trying to optimize postgres performance on a headless solid state hardware platform (no fans or disks). I have the database stored on a USB 2.0 flash drive (hdparm benchmarks reads at 10 MB/s). Performance is limited by the 533Mhz CPU. Hardware: IXP425 XScale (big endian) 533Mhz 64MB RAM USB 2