lidavidm commented on pull request #10376:
URL: https://github.com/apache/arrow/pull/10376#issuecomment-847978195
Running on EC2 with more iterations, it seems there's a small benefit, with
some variance (from EC2?) throwing it off.
Conbench for `pre_buffer=True`:
```
"stats": {
"batch_id": "3104564f6b8244fb814465fbbf6a19cb",
"data": [
"14.430056",
"16.669666",
"38.752780",
"15.887550",
"12.784942",
"13.485059",
"12.358206",
"12.877868",
"11.940915",
"12.250891"
],
"iqr": "3.058287",
"iterations": 10,
"max": "38.752780",
"mean": "16.143793",
"median": "13.181464",
"min": "11.940915",
"q1": "12.464890",
"q3": "15.523177",
"run_id": "3104564f6b8244fb814465fbbf6a19cb",
"stdev": "8.100836",
"time_unit": "s",
"times": [],
"timestamp": "2021-05-25T15:32:39.462551+00:00",
"unit": "s"
},
```
Conbench for `pre_buffer=False`:
```
"stats": {
"batch_id": "e09c0ea9372145ca81aab93f30c08940",
"data": [
"15.748755",
"15.441451",
"15.636802",
"15.699552",
"15.200788",
"14.816090",
"14.998590",
"14.502809",
"15.451343",
"15.484191"
],
"iqr": "0.549510",
"iterations": 10,
"max": "15.748755",
"mean": "15.298037",
"median": "15.446397",
"min": "14.502809",
"q1": "15.049140",
"q3": "15.598650",
"run_id": "e09c0ea9372145ca81aab93f30c08940",
"stdev": "0.411182",
"time_unit": "s",
"times": [],
"timestamp": "2021-05-25T15:36:19.423906+00:00",
"unit": "s"
},
```
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