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Issue metadata

Status: Duplicate
Merged: issue 99679
Owner:
Closed: Nov 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug

Blocking:
issue 662423



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Difference between fullcode and crankshaft_opt: Math.pow precision

Project Member Reported by machenb...@chromium.org, Nov 4 2016

Issue description

# Minimized program:
print(Math.pow(2, -0.5));


# Compared nocrankshaft with noturbo_opt

# Flags of nocrankshaft:
--abort_on_stack_overflow --expose-gc --allow-natives-syntax --invoke-weak-callbacks --omit-quit  --random-seed -1505150045 --nocrankshaft
# Flags of noturbo_opt:
--abort_on_stack_overflow --expose-gc --allow-natives-syntax --invoke-weak-callbacks --omit-quit  --random-seed -1505150045 --always-opt --turbo-filter=~

Difference:
- 0.7071067811865476
+ 0.7071067811865475

### Start of configuration nocrankshaft:
0.7071067811865476

### End of configuration nocrankshaft

### Start of configuration noturbo_opt:
0.7071067811865475

### End of configuration noturbo_opt

 

Comment 1 by danno@chromium.org, Nov 17 2016

Owner: bmeu...@chromium.org
Status: Assigned (was: Untriaged)
Mergedinto: 99679
Status: Duplicate (was: Assigned)
Labels: -Restrict-View-Google v8-foozzie-failure

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