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[FEA] Performance improvements for csv-writer

PerformancePerformance related issuePerformance related issue

cuIOcuIO issuecuIO issue

feature requestNew feature or requestNew feature or request

libcudfAffects libcudf (C++/CUDA) code.Affects libcudf (C++/CUDA) code.

Status: Open.

#2678 In rapidsai/cudf;

· davidwendt opened on Aug 23, 2019

 ·  

CSV continuous improvement

Refactor distinct using static_map insert_or_apply

0 - BlockedCannot progress due to external reasonsCannot progress due to external reasons

PerformancePerformance related issuePerformance related issue

improvementImprovement / enhancement to an existing functionImprovement / enhancement to an existing function

libcudfAffects libcudf (C++/CUDA) code.Affects libcudf (C++/CUDA) code.

non-breakingNon-breaking changeNon-breaking change

Status: Open (in progress).

rapidsai/cudfnumber 16484

#16484 In rapidsai/cudf;

· srinivasyadav18 opened on Aug 2, 2024

[FEA] Use libcudf Dictionary type for CategoricalColumn in Python

PerformancePerformance related issuePerformance related issue

PythonAffects Python cuDF API.Affects Python cuDF API.

feature requestNew feature or requestNew feature or request

Status: Open.

#8573 In rapidsai/cudf;

· beckernick opened on Jun 21, 2021

[FEA] Migrate to Thrust nosync stream policy for performance.

PerformancePerformance related issuePerformance related issue

feature requestNew feature or requestNew feature or request

libcudfAffects libcudf (C++/CUDA) code.Affects libcudf (C++/CUDA) code.

Status: Open.

#12086 In rapidsai/cudf;

· bdice opened on Nov 7, 2022

Occupancy improvement for distinct hash join with specialized dispatch

3 - Ready for ReviewReady for review by teamReady for review by team

PerformancePerformance related issuePerformance related issue

breakingBreaking changeBreaking change

improvementImprovement / enhancement to an existing functionImprovement / enhancement to an existing function

libcudfAffects libcudf (C++/CUDA) code.Affects libcudf (C++/CUDA) code.

Status: Open (in progress).

rapidsai/cudfnumber 17290

#17290 In rapidsai/cudf;

· tgujar opened on Nov 9, 2024

Use hashing for sort groupby for large key columns

2 - In ProgressCurrently a work in progressCurrently a work in progress

PerformancePerformance related issuePerformance related issue

breakingBreaking changeBreaking change

improvementImprovement / enhancement to an existing functionImprovement / enhancement to an existing function

libcudfAffects libcudf (C++/CUDA) code.Affects libcudf (C++/CUDA) code.

proposalChange current process or codeChange current process or code

Status: Draft (not ready).

rapidsai/cudfnumber 13036

#13036 In rapidsai/cudf;

· karthikeyann opened on Mar 30, 2023

[PERF] CSV reader data type detection is slow

PerformancePerformance related issuePerformance related issue

cuIOcuIO issuecuIO issue

libcudfAffects libcudf (C++/CUDA) code.Affects libcudf (C++/CUDA) code.

Status: Open.

#5080 In rapidsai/cudf;

· OlivierNV opened on May 2, 2020

 ·  

CSV continuous improvement

[FEA] Explore performance impact of enabling relocatable device code in libcudf

PerformancePerformance related issuePerformance related issue

feature requestNew feature or requestNew feature or request

libcudfAffects libcudf (C++/CUDA) code.Affects libcudf (C++/CUDA) code.

Status: Open.

#1437 In rapidsai/cudf;

· jrhemstad opened on Apr 16, 2019

[FEA] Java ColumnVector should support async copyToHost

JavaAffects Java cuDF API.Affects Java cuDF API.

PerformancePerformance related issuePerformance related issue

SparkFunctionality that helps Spark RAPIDSFunctionality that helps Spark RAPIDS

feature requestNew feature or requestNew feature or request

Status: Open.

#6630 In rapidsai/cudf;

· jlowe opened on Oct 30, 2020

[FEA] Update cudf::sort to use new CUB merge sort

PerformancePerformance related issuePerformance related issue

feature requestNew feature or requestNew feature or request

libcudfAffects libcudf (C++/CUDA) code.Affects libcudf (C++/CUDA) code.

Status: Open.

#8634 In rapidsai/cudf;

· jrhemstad opened on Jun 30, 2021

[FEA] Filter join probe table rows that contain nulls when nulls are not equal

0 - BacklogIn queue waiting for assignmentIn queue waiting for assignment

PerformancePerformance related issuePerformance related issue

feature requestNew feature or requestNew feature or request

libcudfAffects libcudf (C++/CUDA) code.Affects libcudf (C++/CUDA) code.

Status: Open.

#9151 In rapidsai/cudf;

· jrhemstad opened on Aug 31, 2021

 ·  

Refactor using cuco containers

[BUG] AST join slows down significantly with a small left table

PerformancePerformance related issuePerformance related issue

SparkFunctionality that helps Spark RAPIDSFunctionality that helps Spark RAPIDS

bugSomething isn't workingSomething isn't working

libcudfAffects libcudf (C++/CUDA) code.Affects libcudf (C++/CUDA) code.

Status: Open.

#9461 In rapidsai/cudf;

· abellina opened on Oct 18, 2021

 ·  

Expression evaluation