[r2.2:Cherrypick] Eliminate tf.where call in updating running mean and average for batch norm in Keras. This unlocks the improvements promised by fusing updates into the CPU and GPU kernels. #37373
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…h norm in Keras. This unlocks the improvements promised by fusing updates into the CPU and GPU kernels. Results for ResNet50 /w batch size 32 in eager mode on GTX 1080: Before: 85 images/s (fp32), 81 images/s (fp16) After: 101 images/s (fp32), 99 images/s (fp16) PiperOrigin-RevId: 298927568 Change-Id: I2941bff5d19c7fdccad78bbb9c5df2fdcd2fc36a
geetachavan1
requested review from
alextp and
mihaimaruseac
and removed request for
alextp and
mihaimaruseac
mihaimaruseac
approved these changes
Mar 5, 2020
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Results for ResNet50 /w batch size 32 in eager mode on GTX 1080:
Before: 85 images/s (fp32), 81 images/s (fp16)
After: 101 images/s (fp32), 99 images/s (fp16)
PiperOrigin-RevId: 298927568
Change-Id: I2941bff5d19c7fdccad78bbb9c5df2fdcd2fc36a