Karna@lemmy.ml to Linux@lemmy.ml · 22 days agoUbuntu 25.04 "Plucky Puffin" Development Opens - Defaulting To -O3 Optimizationswww.phoronix.comexternal-linkmessage-square7fedilinkarrow-up125arrow-down11
arrow-up124arrow-down1external-linkUbuntu 25.04 "Plucky Puffin" Development Opens - Defaulting To -O3 Optimizationswww.phoronix.comKarna@lemmy.ml to Linux@lemmy.ml · 22 days agomessage-square7fedilink
minus-squareGolfNovemberUniform@lemmy.mllinkfedilinkarrow-up1arrow-down2·22 days agoNot like Ubuntu works very well on old hardware but hopefully O2 support will still be there. Many people need it.
minus-squareozymandias117@lemmy.worldlinkfedilinkEnglisharrow-up4·22 days ago-O2 vs -O3 adds -fgcse-after-reload -fipa-cp-clone -floop-interchange -floop-unroll-and-jam -fpeel-loops -fpredictive-commoning -fsplit-loops -fsplit-paths -ftree-loop-distribution -ftree-partial-pre -funswitch-loops -fvect-cost-model=dynamic -fversion-loops-for-strides I don’t think any of these optimizations require more modern hardware?
Not like Ubuntu works very well on old hardware but hopefully O2 support will still be there. Many people need it.
-O2 vs -O3 adds
-fgcse-after-reload -fipa-cp-clone -floop-interchange -floop-unroll-and-jam -fpeel-loops -fpredictive-commoning -fsplit-loops -fsplit-paths -ftree-loop-distribution -ftree-partial-pre -funswitch-loops -fvect-cost-model=dynamic -fversion-loops-for-stridesI don’t think any of these optimizations require more modern hardware?