abhi9u@lemmy.world to Technology@lemmy.worldEnglish · 4 days agoPython Performance: Why 'if not list' is 2x Faster Than Using len()blog.codingconfessions.comexternal-linkmessage-square150fedilinkarrow-up1219arrow-down123
arrow-up1196arrow-down1external-linkPython Performance: Why 'if not list' is 2x Faster Than Using len()blog.codingconfessions.comabhi9u@lemmy.world to Technology@lemmy.worldEnglish · 4 days agomessage-square150fedilink
minus-squareuis@lemm.eelinkfedilinkEnglisharrow-up16·4 days agoThere are decades of articles on c++ optimizations, that say “use empty() instead of size()”, which is same as here.
minus-squaredreugeworst@lemmy.mllinkfedilinkEnglisharrow-up5·3 days agoexcept for c++ it was just to avoid a single function call, not extra indirection. also on modern compilers size() will get inlined and ultimate instructions generated by the compiler will likely be the same
There are decades of articles on c++ optimizations, that say “use empty() instead of size()”, which is same as here.
except for c++ it was just to avoid a single function call, not extra indirection. also on modern compilers size() will get inlined and ultimate instructions generated by the compiler will likely be the same