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kaigai

HN member
Joined
Sun, Sep 18, 2016, 12:27 PM UTC
HN karma
25
Public activity
9 items

About kaigai

Developer of PG-Strom, PostgreSQL and related stuff. Blog: http://kaigai.hatenablog.com/

Recent public activity

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  4. comment
    Comment #14486814

    Yes, Tesla or Quadro are required. In addition, Tesla P40/P100 are recommended due to size of i/o mappable region.

  5. comment
    Comment #14486802

    Early version of PG-Strom didn't plan SSD2GPU Direct SQL Execution, however, some users concerns didn't concern about CPU performance only but I/O also. So, I began to implement th…

  6. comment
    Comment #12528158

    RAM-to-GPU is always faster than SSD-to-GPU. It is a solution to help a situation when data size does not fit RAM size (or when user has less budget to purchase enough RAM. In fact…

  7. comment
    Comment #12528138

    My headache is painful. It might be called "SSD-to-GPU P2P DMA".

  8. comment
    Comment #12525029

    Its kernel module provides some special APIs. The userspase application (PostgreSQL) is enhanced to use them. From the point of user view, SQL still has been the interface to acces…

  9. comment
    Comment #12525015

    NVME-SSD performs as DMAC in this case. All GPU doing is mapping its own device memory on the PCI BAR area.