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176 Commits

Author SHA1 Message Date
Daniel Povey
4c5d49c448 Some numerical improvements, and a fix to calculation of mean_eig in _apply_min_max_with_metric(), to average over blocks too. 2022-08-01 03:51:39 +08:00
Daniel Povey
e2cc09a8c6 Fix issue with max_eig formula; restore cov_min[1]=0.0025. 2022-07-31 18:29:44 +08:00
Daniel Povey
3590c2fc42 Set cov_min[1] to 0 to stop an invertibility problem 2022-07-31 18:06:01 +08:00
Daniel Povey
7231c610e8 Restore min_cov applied with G. 2022-07-31 02:22:07 -07:00
Daniel Povey
d84a2e22e3 Applying max to G with noinv method with metric. 2022-07-31 02:10:27 -07:00
Daniel Povey
2042c9862c Merge branch 'pradam_exp1m4_nophase1_noinv' into pradam_exp1m4_nophase1_rework_noinv 2022-07-31 01:32:36 -07:00
Daniel Povey
90fa8a63eb Use different approach for applying max eig, with matmul, no inverse. 2022-07-31 01:32:11 -07:00
Daniel Povey
ed1a147ef1 Implement no-inverse max-cov 2022-07-31 00:08:02 -07:00
Daniel Povey
0666789cb8 Small numerical improvements; config change of eps and G_diag changed 1.01 to 1.005; decrease an eps from 1e-10 to 1e-20 2022-07-30 21:48:54 -07:00
Daniel Povey
cb67540cdc this version not working great 2022-07-30 21:14:03 -07:00
Daniel Povey
790e8c4ba9 Changes that should not really affect the results, just cleanup. 2022-07-30 19:20:36 -07:00
Daniel Povey
5184ac570d Removing phase1, adding regular smoothing with the mean. 2022-07-30 19:15:51 -07:00
Daniel Povey
105d49d31b Big simplification to update rule 2022-07-30 00:21:12 -07:00
Daniel Povey
4d5323d6a3 Change cov_min to intermediate value, not seeing clear diffs from changing it 2022-07-30 09:06:23 +08:00
Daniel Povey
c0e652ea87 Fix code, was smoothing in wrong basis. 2022-07-30 09:01:11 +08:00
Daniel Povey
17bc002e6e Refactoring that does not affect results. 2022-07-30 07:45:29 +08:00
Daniel Povey
3110138ab5 Smooth grad_cov with eps; add a 4th stage of smoothing, this time on Z_inv. 2022-07-30 07:30:32 +08:00
Daniel Povey
3ad042444e More changes to reduce numerical roundoff for dims with zero grad and params. 2022-07-29 14:38:50 +08:00
Daniel Povey
3c1fddaf48 Rework computation to reduce numerical roundoff 2022-07-29 06:22:17 +08:00
Daniel Povey
0d038a6ea4 Remove debugging statement 2022-07-28 09:26:11 +08:00
Daniel Povey
8654a7385d Add denom_rel_eps, and set it to 1e-05 2022-07-28 09:10:20 +08:00
Daniel Povey
dc565f729b Take into account various outcomes from parameter tuning 2022-07-28 09:06:59 +08:00
Daniel Povey
fe595f8772 Improve debugging output. 2022-07-25 09:02:36 +08:00
Daniel Povey
854c2965a9 Fix bug regarding G_prime being zero 2022-07-25 06:57:52 +08:00
Daniel Povey
3acdf3b395 Reworking the computation of Z to be numerically better. 2022-07-25 06:37:26 +08:00
Daniel Povey
5513f7fee5 Initial version of fixing numerical issue, will continue though 2022-07-25 06:27:01 +08:00
Daniel Povey
06718052ec Refactoring, putting tunable values in constructor, a little cleanup 2022-07-25 04:31:42 +08:00
Daniel Povey
8efc512823 Remove some debugging code, found the mismatch 2022-07-24 11:52:10 +08:00
Daniel Povey
ba96439c76 Saving version I am trying to debug 2022-07-24 11:00:40 +08:00
Daniel Povey
962e95f119 Using a more flexible test. Moved to simpler update , tuned diffrently. 2022-07-24 09:20:53 +08:00
Daniel Povey
b8a9485011 Print git version for test output 2022-07-24 06:54:29 +08:00
Daniel Povey
48ac7e0bc3 Add max as well as min to G_prime 2022-07-24 06:50:05 +08:00
Daniel Povey
6290fcb535 Cleanup and refactoring 2022-07-24 05:48:38 +08:00
Daniel Povey
8a9bbb93bc Cosmetic fixes 2022-07-24 04:45:57 +08:00
Daniel Povey
966ac36cde Fixes to comments 2022-07-24 04:36:41 +08:00
Daniel Povey
33ffd17515 Some cleanup 2022-07-24 04:22:11 +08:00
Daniel Povey
ddceb7963b Interpolate between iterative estimate of scale, and original value. 2022-07-23 15:27:48 +08:00
Daniel Povey
2c4bdd0ad0 Add _update_param_scales_simple(), add documentation 2022-07-23 14:49:58 +08:00
Daniel Povey
9730352257 Redce smoothing constant slightly 2022-07-23 13:12:31 +08:00
Daniel Povey
e1873fc0bb Tune phase2 again, from 0.005,5.0 to 0.01,40. Epoch 140 is 0.21/0.149 2022-07-23 10:10:01 +08:00
Daniel Povey
0fc58bac56 More tuning, epoch-140 results are 0.23,0.11 2022-07-23 09:52:51 +08:00
Daniel Povey
34a2d331bf Smooth in opposite orientation to G 2022-07-23 09:38:16 +08:00
Daniel Povey
a972655a70 Tuning. 2022-07-23 09:15:49 +08:00
Daniel Povey
b47433b77a Fix bug in smooth_cov, for power==1.0 2022-07-23 09:06:03 +08:00
Daniel Povey
cc388675a9 Bug fix RE rankj 2022-07-23 08:24:59 +08:00
Daniel Povey
dee496145d this version performs way worse but has bugs fixed, can optimize from here. 2022-07-23 08:11:20 +08:00
Daniel Povey
dd10eb140f First version after refactorization and changing the math, where optim.py runs 2022-07-23 06:32:56 +08:00
Daniel Povey
4da4e69fba Draft of new way of smoothing param_rms, diagonalized by grad 2022-07-22 06:37:20 +08:00
Daniel Povey
a63afe348a Increase max_lr_factor from 3.0 to 4.0 2022-07-19 06:56:41 +08:00
Daniel Povey
79a2f09f62 Change how formula for max_lr_factor works, and increase factor from 2.5 to 3. 2022-07-19 06:54:49 +08:00