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Don't crash when displaying XLA metrics if they happen to be negative.

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PiperOrigin-RevId: 158407664
This commit is contained in:
Justin Lebar 2017-06-08 10:03:19 -07:00 committed by TensorFlower Gardener
parent 1d68f729b9
commit 7fb52cd54c
1 changed files with 8 additions and 1 deletions
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9
tensorflow/compiler/xla/metric_table_report.cc
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@ -220,7 +220,14 @@ void MetricTableReport::AppendTableRow(const string& text, const double metric,
const int64 max_metric_string_size =
MetricString(expected_metric_sum_).size();
string metric_string = MetricString(metric);
string padding(max_metric_string_size - metric_string.size() + 1, ' ');
// Don't try to make a gigantic string and crash if expected_metric_sum_ is
// wrong somehow.
int64 padding_len = 1;
if (max_metric_string_size >= metric_string.size()) {
padding_len += max_metric_string_size - metric_string.size();
}
string padding(padding_len, ' ');
AppendLine(padding, metric_string, " (", MetricPercent(metric), " Σ",
MetricPercent(running_metric_sum), ") ", text);
}