Open PPS attachment 118766 [details] from Bug 87204 and save as ODP. It's rather slow now, 50 seconds for me. Also used to be slow up 4.0, so no regression. Tested in Windows 7 both with 32-bit and 64-bit LO. From 4.1 to 5.1 there was crash but it was fixed probably with bug 102688.
Confirmed in Version: 5.4.0.0.alpha0+ Build ID: 597a2f5d5bd37443262b0775b8439bc3502aef1b CPU threads: 4; OS: Linux 4.8; UI render: default; VCL: gtk2; Locale: es-ES (ca_ES.UTF-8); Calc: group time real 2m29.178s user 1m59.132s sys 0m0.936s
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Created attachment 141887 [details] debug WinDBG from dump with procdump - LO 6.1+ Repro with 6.1+. Procdump shows dump.
Created attachment 150880 [details] Perf flamegraph Arch Linux 64-bit Version: 6.3.0.0.alpha0+ Build ID: 1fee3f1da6291bfbcd75455512726215d41b3e83 CPU threads: 8; OS: Linux 5.0; UI render: default; VCL: gtk3; Locale: fi-FI (fi_FI.UTF-8); UI-Language: en-US Calc: threaded Built on 18 April 2019
Noel Grandin committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/+/349919440b1454eda2de783a0c3e6bd3bae4542b%5E%21 tdf#107592 Impress PPS save to ODP slow It will be available in 6.3.0. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.
Actually, there were 2 dumps, on fileopen and on filesave. fileopen: STACK_COMMAND: ~0s; .ecxr ; kb FOLLOWUP_IP: mergedlo!SfxBroadcaster::AddListener+1 5b442721 8bec mov ebp,esp filesave STACK_COMMAND: ~0s; .ecxr ; kb FOLLOWUP_IP: mergedlo+1ff8026 5c5c8026 83c418 add esp,18h With fix, I don't see dumps anymore and loading time decreased from 40 to 10 seconds in my case. Or from 20 to 5 in other case. Thanks Noel.
(In reply to Xisco Faulí from comment #1) > Confirmed in > > Version: 5.4.0.0.alpha0+ > Build ID: 597a2f5d5bd37443262b0775b8439bc3502aef1b > CPU threads: 4; OS: Linux 4.8; UI render: default; VCL: gtk2; > Locale: es-ES (ca_ES.UTF-8); Calc: group > > time > > real 2m29.178s > user 1m59.132s > sys 0m0.936s it takes real 0m54,430s user 0m52,958s sys 0m1,955s in Version: 6.3.0.0.alpha1+ Build ID: a3e649c3384d19a5ad540c3d65d5f79b66fd9090 CPU threads: 4; OS: Linux 4.15; UI render: default; VCL: gtk3; Locale: ca-ES (ca_ES.UTF-8); UI-Language: en-US Calc: threaded Nice improvement...