Thanks!
On 2021/08/31 16:20:37, David <[email protected]> wrote: > Hello, > > It may be that the apache.org mail server stripped the attachments. > > The short text version is: > > Run Time: ~1,500,000 ms runs > > main: ORC - 90,500 ms (5.9%) > 1.6: ORC - 121,100 ms (7.9%) > > The percentage is percent of the total CPU time, the rest of the CPU time > went to processing the other formats included in the benchmark framework > JSON, Parquet, AVRO, etc. > > Thanks. > > On Tue, Aug 31, 2021 at 12:10 PM Dongjoon Hyun <[email protected]> > wrote: > > > Thank you for sharing, but it seems that you missed to attach. > > I'm looking forward to seeing it. :) > > > > Dongjoon. > > > > On Tue, Aug 31, 2021 at 7:53 AM David <[email protected]> wrote: > > > > > Hello Gang, > > > > > > As you probably know, I've been working on a series of small performance > > > improvements in ORC-core and I just wanted to highlight the progress thus > > > far. > > > > > > Far from "exacting," but I ran the ORC benchmark test for generating > > > (writing) NYC taxi data. I compared the current main branch with the 1.6 > > > branch. The tests ran for roughly the same amount of time and I > > observed a > > > performance improvement of roughly 25% for this particular workload. > > > > > > I've attached the images. > > > > > > Normally, I would do this work as simply a hobby, in the same way that > > > many people enjoy the mental stimulation of Sudoku, but now that > > businesses > > > are paying per unit of compute, time is literally money. I hope this > > saves > > > you some time. And money. > > > > > > Thanks for all the reviews; you made this possible. > > > > > > More PRs to come. > > > > > > > > >
