perf: optimize `spark_cast_float64_to_utf8` (~40% faster) - #4918

Merged

andygrove merged 3 commits into

apache:mainfrom

andygrove:auto-opt/spark_cast_float64_to_utf8-datafusion-comet-20260714-045616

Jul 23, 2026

Commits on Jul 14, 2026

perf: optimize spark_cast_float64_to_utf8 in datafusion-comet-spark-expr
andygrove
committed

Commits on Jul 17, 2026

perf: match arrow-rs AVERAGE_STRING_LENGTH for float-to-utf8 buffer hint
andygrove
committed

Commits on Jul 23, 2026

Merge branch 'main' into auto-opt/spark_cast_float64_to_utf8-datafusion-comet-20260714-045616
andygrove
authored