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Test provided example #155

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Test provided example #155

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046e450
Modified jaxagent.py to run JAX on CPU
anilranamgr Sep 29, 2024
bb9e420
Moved configs.yaml and made model size changes in example.py
anilranamgr Sep 29, 2024
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0 dreamerv3/configs.yaml → configs.yaml
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28 changes: 13 additions & 15 deletions dreamerv3/jaxagent.py
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Original file line number Diff line number Diff line change
Expand Up @@ -41,8 +41,8 @@ def __init__(self, agent_cls, obs_space, act_space, config):
self.keys = [k for k in self.spaces if (
not k.startswith('_') and not k.startswith('log_') and k != 'reset')]

available = jax.devices(self.jaxcfg.platform)
embodied.print(f'JAX devices ({jax.local_device_count()}):', available)
available = jax.devices('cpu')
embodied.print(f'JAX devices (CPU):', available)
if self.jaxcfg.assert_num_devices > 0:
assert len(available) == self.jaxcfg.assert_num_devices, (
available, len(available), self.jaxcfg.assert_num_devices)
Expand Down Expand Up @@ -80,7 +80,7 @@ def __init__(self, agent_cls, obs_space, act_space, config):
self.should_sync = embodied.when.Every(self.jaxcfg.sync_every)
self.policy_params = jax.device_put(
{k: self.params[k].copy() for k in self.policy_keys},
self.policy_mirrored)
device=jax.devices('cpu')[0])

self._lower_train()
self._lower_report()
Expand Down Expand Up @@ -187,7 +187,7 @@ def train(self, data, carry):

if self.should_sync(self.updates) and not self.pending_sync:
self.pending_sync = jax.device_put(
{k: allo[k] for k in self.policy_keys}, self.policy_mirrored)
{k: allo[k] for k in self.policy_keys}, device=jax.devices('cpu')[0])
else:
jax.tree.map(lambda x: x.delete(), allo)

Expand Down Expand Up @@ -249,10 +249,10 @@ def load(self, state):
chex.assert_trees_all_equal_shapes(self.params, state)
jax.tree.map(lambda x: x.delete(), self.params)
jax.tree.map(lambda x: x.delete(), self.policy_params)
self.params = jax.device_put(state, self.train_mirrored)
self.params = jax.device_put(state, device=jax.devices('cpu')[0])
self.policy_params = jax.device_put(
{k: self.params[k].copy() for k in self.policy_keys},
self.policy_mirrored)
device=jax.devices('cpu')[0])

def _setup(self):
try:
Expand Down Expand Up @@ -283,7 +283,7 @@ def _setup(self):
xla_flags.append('--xla_dump_hlo_as_long_text')
if xla_flags:
os.environ['XLA_FLAGS'] = ' '.join(xla_flags)
jax.config.update('jax_platform_name', self.jaxcfg.platform)
jax.config.update('jax_platform_name', 'cpu')
jax.config.update('jax_disable_jit', not self.jaxcfg.jit)
if self.jaxcfg.transfer_guard:
jax.config.update('jax_transfer_guard', 'disallow')
Expand Down Expand Up @@ -379,19 +379,17 @@ def _take_outs(self, outs):

def _init_params(self, obs_space, act_space):
B, T = self.config.batch_size, self.config.batch_length
seed = jax.device_put(np.array([self.config.seed, 0], np.uint32))
data = jax.device_put(self._dummy_batch(self.spaces, (B, T)))
params = nj.init(self.agent.init_train, static_argnums=[1])(
{}, B, seed=seed)
_, carry = jax.jit(nj.pure(self.agent.init_train), static_argnums=[1])(
params, B, seed=seed)
seed = jax.device_put(np.array([self.config.seed, 0], np.uint32), device=jax.devices('cpu')[0]) # Ensure seed uses CPU
data = jax.device_put(self._dummy_batch(self.spaces, (B, T)), device=jax.devices('cpu')[0]) # Ensure data uses CPU
params = nj.init(self.agent.init_train, static_argnums=[1])({}, B, seed=seed)
_, carry = jax.jit(nj.pure(self.agent.init_train), static_argnums=[1])(params, B, seed=seed)
params = nj.init(self.agent.train)(params, data, carry, seed=seed)
return jax.device_put(params, self.train_mirrored)
return jax.device_put(params, device=jax.devices('cpu')[0]) # Ensure params uses CPU

def _next_seeds(self, sharding):
shape = [2 * x for x in sharding.mesh.devices.shape]
seeds = self.rng.integers(0, np.iinfo(np.uint32).max, shape, np.uint32)
return jax.device_put(seeds, sharding)
return jax.device_put(seeds, device=jax.devices('cpu')[0])

def _filter_data(self, data):
return {k: v for k, v in data.items() if k in self.keys}
Expand Down
2 changes: 1 addition & 1 deletion example.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ def main():

config = embodied.Config(dreamerv3.Agent.configs['defaults'])
config = config.update({
**dreamerv3.Agent.configs['size100m'],
**dreamerv3.Agent.configs['size12m'], #changed from 100m to 12m , select simple available model
'logdir': f'~/logdir/{embodied.timestamp()}-example',
'run.train_ratio': 32,
})
Expand Down