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Fix bug regarding G_prime being zero

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Daniel Povey 2022-07-25 06:57:52 +08:00
parent 3acdf3b395
commit 854c2965a9
1 changed files with 1 additions and 1 deletions
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egs/librispeech/ASR/pruned_transducer_stateless7/optim.py
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@ -1091,7 +1091,7 @@ param_rms_smooth1: Smoothing proportion for parameter matrix, if assumed rank of
G_prime_min = group["cov_min"][3] G_prime_min = group["cov_min"][3]
# make sure G_prime has no zero eigs, and is unit mean. # make sure G_prime has no zero eigs, and is unit mean.
#G_prime = _soft_floor(G_prime, G_prime_min * G_prime_mean, depth=3) #G_prime = _soft_floor(G_prime, G_prime_min * G_prime_mean, depth=3)
G_prime += G_prime_min * G_prime_mean G_prime = G_prime + G_prime_min * G_prime_mean + 1.0e-20
G_prime /= _mean(G_prime, exclude_dims=[0], keepdim=True) G_prime /= _mean(G_prime, exclude_dims=[0], keepdim=True)
# it now has unit mean.. # it now has unit mean..
G_prime_max = group["cov_max"][3] G_prime_max = group["cov_max"][3]