Represents the start of a parallel chunked flow. Upon execution, it splits the input data into equally sized chunks and executes the body (terminated by the Parallel Chunk End) in parallel, each processing one chunk. The chunk count can be customized in the configuration dialog.
Options
Popular Predecessors
List Files5 %Row Filter (deprecated)4 %- Parallel Chunk End2 %
- Java Snippet2 %
- String Replacer2 %
CSV Reader2 %- Duplicate Row Filter2 %
- GroupBy2 %
Table Row to Variable2 %Column Appender2 %- String Manipulation1 %
Concatenate (Optional in)1 %- Column Splitter1 %
- Chunk Loop Start1 %
- Joiner1 %
- Domain Calculator< 1 %
- RDKit From Molecule< 1 %
Excel Reader (XLS)< 1 %- IF Switch< 1 %
- Unzip Files (legacy)< 1 %
Table Column to Variable< 1 %Table Reader< 1 %Number To String< 1 %- Reference Row Filter< 1 %
- Empty Table Switch< 1 %
CSV Writer< 1 %- Cross Joiner< 1 %
- Create Date&Time Range< 1 %
- Table Reader< 1 %
- Path to String< 1 %
- Delete Files (legacy)< 1 %
Cell Splitter< 1 %Row Splitter (deprecated)< 1 %- Shuffle< 1 %
- Rule-based Row Filter< 1 %
- Rule Engine< 1 %
- Empty Table Creator< 1 %
- Inject Variables (Data)< 1 %
- Row Filter (Labs)< 1 %
- Column Expressions< 1 %
- Date&Time-based Row Filter< 1 %
- File Reader< 1 %
- MolConverter< 1 %
Loop End< 1 %- Sorter< 1 %
- Table Transposer< 1 %
- Parallel Chunk Start< 1 %
- DB Query Reader< 1 %
- String to Date&Time< 1 %
- File Reader (Complex Format)< 1 %
Table Row To Variable Loop Start< 1 %- Group Loop Start< 1 %
- Concatenate< 1 %
- Column Filter< 1 %
- Ungroup< 1 %
- Molecule Type Cast< 1 %
- Java Snippet (simple)< 1 %
- Table to JSON< 1 %
- DB SQL Executor< 1 %
- Math Formula (Variable)< 1 %
- Variable to Table Column< 1 %
- CSV Reader< 1 %
- Column Aggregator< 1 %
- List Files/Folders< 1 %
- Python Script (legacy)< 1 %
- Table Column to Variable< 1 %
- Benchmark Start< 1 %
- Port to URI< 1 %
- Wait...< 1 %
- Table Creator< 1 %
Joiner< 1 %- Partitioning< 1 %
- Missing Value< 1 %
Column Rename< 1 %- RowID< 1 %
- Row Sampling< 1 %
- Rule-based Row Splitter< 1 %
Merge Variables< 1 %- Data Generator< 1 %
- SDF Reader< 1 %
Excel Reader (XLS)< 1 %- Don't Save Start< 1 %
- RDKit Canon SMILES< 1 %
- Molecule Properties< 1 %
- Nominal Value Row Filter< 1 %
- Counter Generation< 1 %
Excel Reader (XLS)< 1 %Column Filter Configuration< 1 %Python Script (1⇒1)< 1 %- Disturber Node< 1 %
- RDKit Descriptor Calculation< 1 %
- Table Row to Variable< 1 %
- CSV Writer< 1 %
- Loop End< 1 %
- Variable Loop End< 1 %
- Excel Reader< 1 %
- String to Path< 1 %
- Chunk Loop Run-for-time Loop Start< 1 %
- Column Renamer< 1 %
- CASE Switch Start< 1 %
- Column Rename (Regex)< 1 %
- Perl Scripting< 1 %
- SDF Inserter< 1 %
- Parallel Chunk End (multi port)< 1 %
- Molecule to CDK< 1 %
Counting Loop Start< 1 %- Top k Row Filter< 1 %
- Create Temp Dir (legacy)< 1 %
- Variable to Table Row< 1 %
- Table Row to Variable Loop Start< 1 %
- Table Validator< 1 %
- DB Connection Closer< 1 %
- Read Excel Sheet Names< 1 %
- Path to URI< 1 %
Parameterized Database Query< 1 %- Constant Value Column< 1 %
- Reference Column Filter< 1 %
- Set Operator< 1 %
- String Manipulation (Variable)< 1 %
- Java Snippet Row Filter< 1 %
- Bag Of Words Creator< 1 %
Variable Loop End< 1 %- DB Reader< 1 %
- Integer Configuration< 1 %
- Date&Time Shift< 1 %
- RDKit To Molecule< 1 %
- Run Garbage Collector< 1 %
Variable Condition Loop End< 1 %- Files/Folders Meta Info< 1 %
- Triple File Reader< 1 %
Read MDB< 1 %- Split Collection Column< 1 %
- List Remote Files (legacy)< 1 %
- ARFF Reader< 1 %
String To Number< 1 %Double To Int< 1 %- Cache< 1 %
- Model to Cell< 1 %
PMML Predictor< 1 %- Java IF (Table)< 1 %
- ImageJ Macro< 1 %
Python Script (1⇒1)< 1 %Python Script (2⇒1)< 1 %- Python Edit Variable (legacy)< 1 %
- XPath< 1 %
- CDK to Molecule< 1 %
- RDKit Interactive Table< 1 %
- RDKit Optimize Geometry< 1 %
- RDKit To InChI< 1 %
- RDKit Substructure Filter< 1 %
- Benchmark Start (Memory Monitoring)< 1 %
- Try (Data Ports)< 1 %
- Double to Integer< 1 %
- DB Insert< 1 %
Excel Writer (XLS)< 1 %- Strings to Document< 1 %
- Integer Input (legacy)< 1 %
- Container Input (Table)< 1 %
- JSON to Table< 1 %
- String to Date/Time (legacy)< 1 %
- MolImporter< 1 %
- String Manipulation (Multi Column)< 1 %
- Merge Variables< 1 %
Read PDB< 1 %- String to URI< 1 %
Database Connection Table Reader< 1 %Database Reader< 1 %Database Writer< 1 %File Reader< 1 %Scorer< 1 %- Column Combiner< 1 %
- Equal Size Sampling< 1 %
- Reference Row Splitter< 1 %
- Normalizer< 1 %
- String Splitter (Regex)< 1 %
- Number Rounder< 1 %
- Unpivot< 1 %
CASE Switch Data (Start)< 1 %- Extract Table Dimension< 1 %
- Extract Table Spec< 1 %
- Math Formula< 1 %
- JPython Function (Legacy)< 1 %
- Container Input (JSON)< 1 %
- Labeling Filter< 1 %
Python Edit Variable< 1 %- R to Table< 1 %
- Time to String (legacy)< 1 %
- Twitter Followers Search< 1 %
- RDKit From InChI< 1 %
- RDKit Fingerprint< 1 %
- Isomer Enumerator< 1 %
- Run Heavy Garbage Collector< 1 %
- Random Numbers Generator< 1 %
- URL Encode< 1 %
- Create Collection Column< 1 %
- File Meta Info (legacy)< 1 %
- URL to File Path< 1 %
Table Column to Variable< 1 %Table Row to Variable< 1 %Variable to Table Row< 1 %Database SQL Executor< 1 %Database Looping< 1 %Line Reader< 1 %Table Writer< 1 %- Java Edit Variable< 1 %
Generic Loop Start< 1 %Recursive Loop Start< 1 %- Hierarchical Cluster Assigner (local)< 1 %
Numeric Scorer< 1 %- Auto-Binner< 1 %
- String to Number< 1 %
- Column Name Extractor< 1 %
- Column Renamer (Dictionary)< 1 %
- Lag Column< 1 %
- Column Resorter< 1 %
- HiLite Row Splitter< 1 %
- Numeric Row Splitter< 1 %
- Value Counter< 1 %
CASE Switch Data (End)< 1 %- Timer Info< 1 %
- DB Writer< 1 %
- Model Loop Start< 1 %
- OpenBabel< 1 %
- External Tool< 1 %
- JPython Script 1:1 (Legacy)< 1 %
- PDF Parser< 1 %
- String Configuration< 1 %
- Single Selection Configuration< 1 %
- Tagged Document Viewer< 1 %
- Integer Widget< 1 %
- String to JSON< 1 %
- Connected Component Analysis< 1 %
- Don't Save End< 1 %
- Network to Row< 1 %
- Parameter Optimization Loop End< 1 %
- GET Request< 1 %
- Find Git Commits< 1 %
- HTML Node to Text< 1 %
- URI to String< 1 %
- Catch Errors (Generic Ports)< 1 %
- Variable Creator< 1 %
- Feature Selection Loop Start (1:1)< 1 %
- Column List Loop Start< 1 %
- Recursive Loop Start< 1 %
- Add Empty Rows< 1 %
- Cell Splitter< 1 %
- Number to String< 1 %
- Column Merger< 1 %
- Table Validator (Reference)< 1 %
- Row Splitter (Labs)< 1 %
- DB Table Creator< 1 %
- Create Folder< 1 %
- Date&Time to String< 1 %
- Modify Time< 1 %
- RDKit Chemical Transformation< 1 %
RDKit Functional Group Filter< 1 %Regex Extractor< 1 %
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Workflows
01_Guided_Analytics_for_ML_AutomationKNIME Hub- 01_Guided_Analytics_for_ML_AutomationKNIME Hub
- 01_Guided_Analytics_for_ML_AutomationKNIME Hub
- 01_Guided_Analytics_for_ML_AutomationKNIME Hub
- 01_Guided_Analytics_for_ML_AutomationKNIME Hub
- Show all 131 workflows
Links
- multiport support for Parallel Chunk Loopsby lars20070 on 2018-06-29forum.knime.com/p/44558
- Parallel execution in Knimeby armingrudd on 2019-09-25forum.knime.com/p/70960
- How does KNIME process multi files?by stelfrich on 2018-11-07forum.knime.com/p/49647
- Help to Optimize Workflow for Processing Multiple URLsby qqilihq on 2023-11-13forum.knime.com/p/241526
- Processing hundreds of millions of recordsby izaychik63 on 2019-02-27forum.knime.com/p/55291
- Show all 7 links
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