Patents by Inventor Kajatheepan Kanagaratnam

Kajatheepan Kanagaratnam has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Fast query processing in columnar databases with GPUs
    Patent number: 10331669
    Abstract: According to one exemplary embodiment, a method for processing a query associated with a database is provided. The method may include receiving the query. The method may include estimating a number of groups. The method may include copying a plurality of data from the database to graphics processing unit (GPU) memory. The method may include creating a hash table in GPU memory. The method may include determining if a group associated with the database is present in the hash table. The method may include adding the group to the hash table based on determining that the group is not present in the hash table. The method may include aggregating a value associated with the group in the hash table based on determining that the group is present in the hash table. The method may include determining a plurality of results. The method may then include retrieving the plurality of results.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: June 25, 2019
    Assignee: International Business Machines Corporation
    Inventors: Sunil J. Kamath, Kajatheepan Kanagaratnam, John D. Keenleyside, Seyed Sina Meraji
  • Fast query processing in columnar databases with GPUs
    Patent number: 9971808
    Abstract: According to one exemplary embodiment, a method for processing a query associated with a database is provided. The method may include receiving the query. The method may include estimating a number of groups. The method may include copying a plurality of data from the database to graphics processing unit (GPU) memory. The method may include creating a hash table in GPU memory. The method may include determining if a group associated with the database is present in the hash table. The method may include adding the group to the hash table based on determining that the group is not present in the hash table. The method may include aggregating a value associated with the group in the hash table based on determining that the group is present in the hash table. The method may include determining a plurality of results. The method may then include retrieving the plurality of results.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: May 15, 2018
    Assignee: International Business Machines Corporation
    Inventors: Sunil J. Kamath, Kajatheepan Kanagaratnam, John D. Keenleyside, Seyed Sina Meraji
  • FAST QUERY PROCESSING IN COLUMNAR DATABASES WITH GPUS
    Publication number: 20160378754
    Abstract: According to one exemplary embodiment, a method for processing a query associated with a database is provided. The method may include receiving the query. The method may include estimating a number of groups. The method may include copying a plurality of data from the database to graphics processing unit (GPU) memory. The method may include creating a hash table in GPU memory. The method may include determining if a group associated with the database is present in the hash table. The method may include adding the group to the hash table based on determining that the group is not present in the hash table. The method may include aggregating a value associated with the group in the hash table based on determining that the group is present in the hash table. The method may include determining a plurality of results. The method may then include retrieving the plurality of results.
    Type: Application
    Filed: June 28, 2016
    Publication date: December 29, 2016
    Inventors: Sunil J. Kamath, Kajatheepan Kanagaratnam, John D. Keenleyside, Seyed Sina Meraji
  • FAST QUERY PROCESSING IN COLUMNAR DATABASES WITH GPUS
    Publication number: 20160378751
    Abstract: According to one exemplary embodiment, a method for processing a query associated with a database is provided. The method may include receiving the query. The method may include estimating a number of groups. The method may include copying a plurality of data from the database to graphics processing unit (GPU) memory. The method may include creating a hash table in GPU memory. The method may include determining if a group associated with the database is present in the hash table. The method may include adding the group to the hash table based on determining that the group is not present in the hash table. The method may include aggregating a value associated with the group in the hash table based on determining that the group is present in the hash table. The method may include determining a plurality of results. The method may then include retrieving the plurality of results.
    Type: Application
    Filed: June 24, 2015
    Publication date: December 29, 2016
    Inventors: Sunil J. Kamath, Kajatheepan Kanagaratnam, John D. Keenleyside, Seyed Sina Meraji