I would guess that you have a hyperactive clipboarrd manager that repeatedly asks Gnumeric for the current selection in all the possible formats that Gnumeric offers.
Try running with GNM_DEBUG=clipboard set. If you see a flood of messages, that is the cause. M. On Sun, Nov 8, 2015 at 2:04 PM, Wiebe Cazemier <wi...@halfgaar.net> wrote: > Hello, > > I'm having issues with Gnumeric (v1.12.9) being unusably slow on my Athon X2 > 2 GHz dual core, Linux Mint 17.1. > > It starts out OK, but as I'm editing the spreadsheet, I have to wait 0.5 to 1 > seconds for every click, paste, tab switch, etc. Also switching to the > application is slow by the same amount. It gets worse the longer I work on > the spreadsheet. However, it seems to correct itself when I go to the > preferences and click close again (but I do want to confirm this better, > though). > > Attached are some valgrind/callgrind analyses. First I ran 'callgrind_command > -z', edited a column and did 'callgrind_command --dump'. I did the same after > having used the spreadsheet for a while. Screenshots of the analysis using > KCachegrind are also attached. > > It's hard to say anything conclusive from this, but it stands out that > gobject::g_type_check_instance_is_a is called a whole lot more (from 680,000 > to 2,100,000). What also stands out to me is that mutex locking and > unlocking, a slow process in and off itself, has increased 5-fold. (I also > wonder what needs to be locked 166,000 times to begin with...) > > At first I thought my laptop with Intel i7 (also having Linux Mint 17.1) > didn't have this, but it's just too fast to be immediatly noticable, it > seems. Valgrind shows the same results. > > I was hoping for some insight. > > Regards, > > Wiebe Cazemier > > > Gnumeric 1.12.9 > > > System: Host: melk Kernel: 3.13.0-37-generic x86_64 (64 bit) Desktop: KDE > 4.14.2 Distro: Linux Mint 17.1 Rebecca > Machine: Mobo: Gigabyte model: GA-K8N-SLi version: x.x Bios: Award version: > F2 date: 05/11/2006 > CPU: Dual core AMD Athlon 64 X2 3800+ (-MCP-) cache: 1024 KB flags: (lm > nx sse sse2 sse3) > Clock Speeds: 1: 2000.00 MHz 2: 2000.00 MHz > Graphics: Card: NVIDIA G96 [GeForce 9500 GT] > X.Org: 1.15.1 drivers: nvidia (unloaded: fbdev,vesa,nouveau) > Resolution: 1280x1024@60.0hz, 1920x1200@60.0hz > GLX Renderer: GeForce 9500 GT/PCIe/SSE2 GLX Version: 3.3.0 NVIDIA > 340.93 > Audio: Card-1: C-Media CMI8788 [Oxygen HD Audio] driver: snd_virtuoso > Sound: ALSA ver: k3.13.0-37-generic > Card-2: Logitech Webcam C270 driver: USB Audio > Network: Card-1: NVIDIA CK804 Ethernet Controller driver: forcedeth > IF: eth0 state: up speed: 1000 Mbps duplex: full mac: <filter> > Card-2: Atmel AVR ISP mkII > IF: N/A state: N/A speed: N/A duplex: N/A mac: N/A > Drives: HDD Total Size: 3000.6GB (-) 1: id: /dev/sda model: WDC_WD15EARS > size: 1500.3GB > 2: id: /dev/sdb model: WDC_WD15EARS size: 1500.3GB > Partition: ID: / size: 59G used: 8.6G (16%) fs: ext4 ID: /home size: 1.3T > used: 296G (24%) fs: ext4 > ID: swap-1 size: 8.59GB used: 0.00GB (0%) fs: swap > RAID: Device-1: /dev/md1 - active raid: 1 components: 2/2 - sdb3 sda3 > Device-2: /dev/md2 - active raid: 1 components: 2/2 - sdb4 sda4 > Device-3: /dev/md0 - active raid: 1 components: 2/2 - sdb2 sda2 > Sensors: System Temperatures: cpu: 38.0C mobo: N/A gpu: 41C > Fan Speeds (in rpm): cpu: N/A > Info: Processes: 192 Uptime: 5:50 Memory: 1817.6/3261.9MB Client: Shell > inxi: 1.8.4 > > _______________________________________________ > gnumeric-list mailing list > gnumeric-list@gnome.org > https://mail.gnome.org/mailman/listinfo/gnumeric-list > _______________________________________________ gnumeric-list mailing list gnumeric-list@gnome.org https://mail.gnome.org/mailman/listinfo/gnumeric-list
