Here's the Peacekeeper results for Safari 9 running on a 27" Late 2012 iMac with 8GB RAM:
5180
HTML5 Capabilities 5/7
Detailed version information: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11) AppleWebKit/601.1.35 (KHTML, like Gecko) Version/9.0 Safari/601.1.35
Suite
Result
Rendering
77.92
renderGrid01
121.12 fps
renderGrid02
119.89 fps
renderGrid03
21.61 fps
renderPhysics
117.49 fps
HTML5 Capabilities
5/7
webglSphere
Yes (59.34 fps)
videoPosterSupport
Yes
videoCodecH264
Yes
videoCodecTheora
N/A
videoCodecWebM
N/A
workerContrast01
Yes (13404.33 ops)
workerContrast02
Yes (31692.40 ops)
gamingSpitfire
Yes (50.21 fps)
HTML5 Canvas
62.78
experimentalRipple01
86.93 fps
experimentalRipple02
45.34 fps
Data
73578.42
arrayCombined
15349.00 ops
arrayWeighted
352712.50 ops
DOM operations
46700.88
domGetElements
3838039.00 ops
domDynamicCreationCreateElement
42591.50 ops
domDynamicCreationInnerHTML
37542.50 ops
domJQueryAttributeFilters
28949.50 ops
domJQueryBasicFilters
3356.00 ops
domJQueryBasics
22424.50 ops
domJQueryContentFilters
6048.00 ops
domJQueryHierarchy
41223.50 ops
domQueryselector
316977.00 ops
Text parsing
221931.71
stringChat
91902.50 ops
stringDetectBrowser
586805.50 ops
stringFilter
68669.50 ops
stringValidateForm
832659.00 ops
stringWeighted
174600.00 ops