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NVIDIA / cccl Public

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Add PDL to `cub::DeviceRadixSort`#9247

Draft

gonidelis wants to merge 15 commits into

NVIDIA:mainNVIDIA/cccl:mainfrom

gonidelis:pdl_radix_sortgonidelis/cccl:pdl_radix_sortCopy head branch name to clipboard

Conversation Commits15 (15)Checks Files changed

Draft

Add PDL to `cub::DeviceRadixSort`#9247
gonidelis wants to merge 15 commits into
NVIDIA:mainfrom
gonidelis:pdl_radix_sort

Commits

Commits on Jun 4, 2026

Experiment with fused radix histogram scan
gonidelis
committed
trying: PDL between lookback init and onesweep
gonidelis
committed
isolate kernel histogram + exclusive_sum fusion to evaluate perf
gonidelis
committed
try: only init kernel set perf gain/loss
gonidelis
committed
try: add safe-boundary PDL from exclusive sum to lookback init
gonidelis
committed
try: add edge PDL from histogram to exclusive sum and move pdl triggering further inside the init kernel onesweep pair
gonidelis
committed
try: isolate deeper onesweep PDL sync
gonidelis
committed
try: gate radix onesweep PDL by problem size
gonidelis
committed
try: move sync further deep
gonidelis
committed
try: Add PDL startup init for onesweep radix sort
gonidelis
committed
try: don't guard small input sizes, pdl all input sizes see if new changes give perf gain now
gonidelis
committed
try: Add PDL edge from radix histogram to exclusive sum
gonidelis
committed
try: unify init kernels
gonidelis
committed
Wire radix sort init kernels through C API
gonidelis
committed
pre-commit formatting
gonidelis
committed

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