https://bugs.documentfoundation.org/show_bug.cgi?id=152657
Bug ID: 152657
Summary: Extreme slow graphical performance and laggy behavior
with LO Calc 7.4.3.2 on Linux Mint 20.3
Product: LibreOffice
Version: 7.4.3.2 release
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Calc
Assignee: [email protected]
Reporter: [email protected]
Description:
Due to a plethora of critical bugs in 6.3 I upgraded to 7.4.3.2 from TDF
packages on Mint 20.3. Calc's performance is extremely sub-optimal and I
experience heavy lagging and slowlyness while navigating my spreadsheet. A
good example is if I hit the down arrow on my KB to send the cursor down and
maintain the key pressed for 10 sec, Calc will continue scrolling down in the
sheet for a solid 30 sec after I release the down arrow key indicating extreme
system overload and bad responsiveness. CPU is also maxed out.
Starting LO with "SAL_USE_VCLPLUGIN=gen libreoffice7.4" resolves these issues
and performance is pretty much as per previous releases.
I tried disabling antialias, hardware acceleration, OpenCL, multi-threading,
etc to no avail.
Steps to Reproduce:
1. Launch Calc
2. Open ODS file
3. Experience extreme performance issues
Actual Results:
See description.
Expected Results:
Native performance
Reproducible: Always
User Profile Reset: Yes
Additional Info:
System: Kernel: 5.4.0-135-generic x86_64 bits: 64 compiler: gcc v: 9.4.0
Desktop: Xfce 4.16.0
tk: Gtk 3.24.20 wm: xfwm4 dm: LightDM Distro: Linux Mint 20.3 Una
base: Ubuntu 20.04 focal
Machine: Type: Desktop Mobo: ASUSTeK model: M5A97 v: Rev 1.xx serial:
<filter>
BIOS: American Megatrends v: 1605 date: 10/25/2012
CPU: Topology: Quad Core model: AMD Phenom II X4 965 bits: 64 type: MCP
arch: K10 rev: 3
L2 cache: 2048 KiB
flags: lm nx pae sse sse2 sse3 sse4a svm bogomips: 27290
Speed: 3400 MHz min/max: 800/3400 MHz Core speeds (MHz): 1: 3400 2:
3400 3: 3400
4: 3400
Graphics: Device-1: NVIDIA GP108 [GeForce GT 1030] vendor: ASUSTeK driver:
nvidia v: 470.161.03
bus ID: 01:00.0 chip ID: 10de:1d01
Display: x11 server: X.Org 1.20.13 driver: nvidia
resolution: 1920x1080~60Hz, 3440x1440~60Hz
OpenGL: renderer: NVIDIA GeForce GT 1030/PCIe/SSE2 v: 4.6.0 NVIDIA
470.161.03
direct render: Yes
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