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add AdamW optimizer (#716)

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* add AdamW optimizer

* one liner Adam optimizer
This commit is contained in:
Cyril Roumégous
2023-03-19 20:51:06 +01:00
committed by GitHub
parent 1012b68f7e
commit b629fd4cd8
2 changed files with 13 additions and 5 deletions
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8
test/test_optim.py
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@@ -2,7 +2,7 @@ import numpy as np
import torch
import unittest
from tinygrad.tensor import Tensor
from tinygrad.nn.optim import Adam, SGD, RMSprop
from tinygrad.nn.optim import Adam, SGD, RMSprop, AdamW
np.random.seed(1337)
x_init = np.random.randn(1,4).astype(np.float32)
@@ -41,6 +41,7 @@ class TestOptim(unittest.TestCase):
def _test_sgd(self, steps, opts, atol, rtol): self._test_optim(SGD, torch.optim.SGD, steps, opts, atol, rtol)
def _test_rmsprop(self, steps, opts, atol, rtol): self._test_optim(RMSprop, torch.optim.RMSprop, steps, opts, atol, rtol)
def _test_adam(self, steps, opts, atol, rtol): self._test_optim(Adam, torch.optim.Adam, steps, opts, atol, rtol)
def _test_adamw(self, steps, opts, atol, rtol): self._test_optim(AdamW, torch.optim.AdamW, steps, opts, atol, rtol)
def test_sgd(self): self._test_sgd(1, {'lr': 0.001}, 1e-6, 0)
def test_sgd_high_lr(self): self._test_sgd(1, {'lr': 10}, 1e-6, 1e-5)
@@ -58,12 +59,17 @@ class TestOptim(unittest.TestCase):
def test_rmsprop_high_lr(self): self._test_rmsprop(1, {'lr': 10, 'alpha': 0.99}, 1e-5, 1e-5)
def test_adam(self): self._test_adam(1, {'lr': 0.001}, 1e-5, 0)
def test_adam_high_lr(self): self._test_adam(1, {'lr': 10}, 1e-5, 1e-5)
def test_adamw(self): self._test_adamw(1, {'lr': 0.001}, 1e-5, 0)
def test_adamw_high_lr(self): self._test_adamw(1, {'lr': 10}, 1e-5, 1e-5)
def test_multistep_rmsprop(self): self._test_rmsprop(10, {'lr': 0.001}, 1e-5, 0)
def test_multistep_rmsprop_high_lr(self): self._test_rmsprop(10, {'lr': 10}, 1e-5, 3e-4)
def test_multistep_adam(self): self._test_adam(10, {'lr': 0.001}, 1e-5, 0)
def test_multistep_adam_high_lr(self): self._test_adam(10, {'lr': 10}, 1e-5, 3e-4)
def test_multistep_adamw(self): self._test_adamw(10, {'lr': 0.001}, 1e-5, 0)
def test_multistep_adamw_high_lr(self): self._test_adamw(10, {'lr': 10}, 1e-5, 3e-4)
if __name__ == '__main__':
unittest.main()