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allocate iteration structures lazily (pt. 2)#15011

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stefanpenner merged 1 commit intomasterfrom
alloc-lazy
Mar 14, 2017
Merged

allocate iteration structures lazily (pt. 2)#15011
stefanpenner merged 1 commit intomasterfrom
alloc-lazy

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@stefanpenner stefanpenner commented Mar 14, 2017

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@stefanpenner stefanpenner requested a review from krisselden March 14, 2017 07:34
@stefanpenner stefanpenner merged commit 05ea1a5 into master Mar 14, 2017
@stefanpenner stefanpenner deleted the alloc-lazy branch March 14, 2017 08:02
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stefanpenner commented Apr 4, 2017 •
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running first test, please wait...
  newer (empty) ........... 58,974,514.36 op/s <--- on multiple runs new and newer appear to be neck & neck
  new (empty) ............. 59,456,605.66 op/s
  old (empty) ............. 14,503,708.66 op/s

  newer (notEmpty) ......... 2,358,686.27 op/s
  new (notEmpty) ........... 2,607,808.42 op/s
  old (notEmpty) ........... 2,547,490.09 op/s

  newer (notEmpty miss) ... 12,846,094.84 op/s <--- this one is improved here
  new (notEmpty miss) ...... 7,415,061.28 op/s
  old (notEmpty miss) ...... 6,886,484.49 op/s

This improves the notEmpty but miss scenario by nearly 2x.

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