Bug 1591725 Comment 25 Edit History

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Original comment by
on 
This is how a very tight `-import-instr-limit` impacts binary size:
```
Optimization      AArch  Size, MB (geckoview_example.apk)
-Oz                 32     44.0
-O2,instr-limit=1   32     49.2      
-O2,instr-limit=3   32     49.5
-O2,instr-limit=5   32     50.2
-O2,instr-limit=10  32     50.9
-O2                 32     53.7
-O3                 32     54.9

-Oz                 64     50.2
-O2,instr-limit=1   64     55.5                
-O2,instr-limit=3   64     55.7
-O2,instr-limit=5   64     56.2
-O2,instr-limit=10  64     57.0
-O2                 64     60.9
-O3                 64     62.6
```
So far the speedometer results for all of these combinations are within noise of the plain `-O2` build. 
I'll run more pageload tests on the weekend when the device farm is in less demand.
Revision 1 by
on 
This is how a very tight `-import-instr-limit` impacts binary size:
```
Optimization      AArch  Size, MB (geckoview_example.apk)
-Oz                 32     44.0
-O2,instr-limit=1   32     49.2      
-O2,instr-limit=3   32     49.5
-O2,instr-limit=5   32     50.2
-O2,instr-limit=10  32     50.9
-O2                 32     53.7
-O3                 32     54.9

-Oz                 64     50.7
-O2,instr-limit=1   64     55.5                
-O2,instr-limit=3   64     55.7
-O2,instr-limit=5   64     56.2
-O2,instr-limit=10  64     57.0
-O2                 64     60.9
-O3                 64     62.6
```
So far the speedometer results for all of these combinations are within noise of the plain `-O2` build. 
I'll run more pageload tests on the weekend when the device farm is in less demand.

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