I pointed out that [ref-hw](https://treeherder.mozilla.org/perfherder/graphs?highlightAlerts=1&highlightChangelogData=0&highlightCommonAlerts=0&replicates=0&series=mozilla-central,5273567,1,13&timerange=7776000) sp3 scores looks more stable compared to [non ref hw](https://treeherder.mozilla.org/perfherder/graphs?highlightAlerts=1&highlightChangelogData=0&highlightCommonAlerts=0&replicates=0&series=mozilla-central,5276830,1,13&timerange=7776000) Mark has pointed out software configuration should be same between the two, and only hardware is different. and regarding the change in behaviour observed in July as pointed out by Bug 2010120, there doesn't seem to be anything interested in that time period. Just a GW upgrade. After recent changes get deployed Mark will look into checking that on an older version
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I pointed out that [ref-hw](https://treeherder.mozilla.org/perfherder/graphs?highlightAlerts=1&highlightChangelogData=0&highlightCommonAlerts=0&replicates=0&series=mozilla-central,5273567,1,13&timerange=7776000) sp3 scores looks more stable compared to [non ref hw](https://treeherder.mozilla.org/perfherder/graphs?highlightAlerts=1&highlightChangelogData=0&highlightCommonAlerts=0&replicates=0&series=mozilla-central,5276830,1,13&timerange=7776000) Mark has pointed out software configuration should be same between the two, and only hardware is different. So for the moment nothing obvious here... and regarding the change in behaviour observed in July as pointed out by Bug 2010120, there doesn't seem to be anything interested in that time period. Just a GW upgrade. After recent changes get deployed Mark will look into checking that on an older version