Problem: Inaccurate Sum in the Grid

The sum of the several summands in the grid view may not equal the overall time shown for the parent of the items.

Cause

The values in the data columns are rounded. For items that are sums of several other items, such as a function with several stacks, the rounded sums may differ slightly from the sum of rounded summands.

For example:

Module / Function

Time (exact)

Time (rounded)

foo.dll

0.2468

0.247

    foo()

0.1234

0.123

    bar()

0.1234

0.123

The rounded values in the grid do not sum up exactly as (0.123 + 0.123) != 0.247.

For more complete information about compiler optimizations, see our Optimization Notice.
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