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[Doc] Document losses in README.md
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ghstack-source-id: 3a37a28c40e65b76ae50a1cd819474a58b94ae28
Pull Request resolved: #2408
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vmoens committed Sep 17, 2024
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## Examples, tutorials and demos

A series of [examples](https://github.com/pytorch/rl/blob/main/examples/) are provided with an illustrative purpose:
- [DQN](https://github.com/pytorch/rl/blob/main/sota-implementations/dqn)
- [DDPG](https://github.com/pytorch/rl/blob/main/sota-implementations/ddpg/ddpg.py)
- [IQL](https://github.com/pytorch/rl/blob/main/sota-implementations/iql/iql_offline.py)
- [CQL](https://github.com/pytorch/rl/blob/main/sota-implementations/cql/cql_offline.py)
- [TD3](https://github.com/pytorch/rl/blob/main/sota-implementations/td3/td3.py)
- [TD3+BC](https://github.com/pytorch/rl/blob/main/sota-implementations/td3+bc/td3+bc.py)
- [A2C](https://github.com/pytorch/rl/blob/main/examples/a2c_old/a2c.py)
- [PPO](https://github.com/pytorch/rl/blob/main/sota-implementations/ppo/ppo.py)
- [SAC](https://github.com/pytorch/rl/blob/main/sota-implementations/sac/sac.py)
- [REDQ](https://github.com/pytorch/rl/blob/main/sota-implementations/redq/redq.py)
- [Dreamer](https://github.com/pytorch/rl/blob/main/sota-implementations/dreamer/dreamer.py)
- [Decision Transformers](https://github.com/pytorch/rl/blob/main/sota-implementations/decision_transformer)
- [RLHF](https://github.com/pytorch/rl/blob/main/examples/rlhf)

<table>
<tr>
<td><strong>Algorithm</strong>
</td>
<td><strong>Compile Support**</strong>
</td>
<td><strong>Tensordict-free API</strong>
</td>
<td><strong>Modular Losses</strong>
</td>
<td><strong>Continuous and Discrete</strong>
</td>
</tr>
<tr>
<td><a href="https://github.com/pytorch/rl/blob/main/sota-implementations/dqn">DQN</a>
</td>
<td> 1.9x
</td>
<td> +
</td>
<td> NA
</td>
<td> + (through <a href="https://pytorch.org/rl/stable/reference/generated/torchrl.envs.transforms.ActionDiscretizer.html?highlight=actiondiscretizer">ActionDiscretizer</a> transform)
</td>
</tr>
<tr>
<td><a href="https://github.com/pytorch/rl/blob/main/sota-implementations/ddpg/ddpg.py">DDPG</a>
</td>
<td> 1.87x
</td>
<td> +
</td>
<td> +
</td>
<td> - (continuous only)
</td>
</tr>
<tr>
<td><a href="https://github.com/pytorch/rl/blob/main/sota-implementations/iql/">IQL</a>
</td>
<td> 3.22x
</td>
<td> +
</td>
<td> +
</td>
<td> +
</td>
</tr>
<tr>
<td><a href="https://github.com/pytorch/rl/blob/main/sota-implementations/cql/cql_offline.py">CQL</a>
</td>
<td> 2.68x
</td>
<td> +
</td>
<td> +
</td>
<td> +
</td>
</tr>
<tr>
<td><a href="https://github.com/pytorch/rl/blob/main/sota-implementations/td3/td3.py">TD3</a>
</td>
<td> 2.27x
</td>
<td> +
</td>
<td> +
</td>
<td> - (continuous only)
</td>
</tr>
<tr>
<td>
<a href="https://github.com/pytorch/rl/blob/main/sota-implementations/td3_bc/td3_bc.py">TD3+BC</a>
</td>
<td> untested
</td>
<td> +
</td>
<td> +
</td>
<td> - (continuous only)
</td>
</tr>
<tr>
<td>
<a href="https://github.com/pytorch/rl/blob/main/examples/a2c/">A2C</a>
</td>
<td> 2.67x
</td>
<td> +
</td>
<td> -
</td>
<td> +
</td>
</tr>
<tr>
<td>
<a href="https://github.com/pytorch/rl/blob/main/sota-implementations/ppo/">PPO</a>
</td>
<td> 2.42x
</td>
<td> +
</td>
<td> -
</td>
<td> +
</td>
</tr>
<tr>
<td><a href="https://github.com/pytorch/rl/blob/main/sota-implementations/sac/sac.py">SAC</a>
</td>
<td> 2.62x
</td>
<td> +
</td>
<td> -
</td>
<td> +
</td>
</tr>
<tr>
<td><a href="https://github.com/pytorch/rl/blob/main/sota-implementations/redq/redq.py">REDQ</a>
</td>
<td> 2.28x
</td>
<td> +
</td>
<td> -
</td>
<td> - (continuous only)
</td>
</tr>
<tr>
<td><a href="https://github.com/pytorch/rl/blob/main/sota-implementations/dreamer/dreamer.py">Dreamer v1</a>
</td>
<td> untested
</td>
<td> +
</td>
<td> + (<a href="https://pytorch.org/rl/stable/reference/objectives.html#dreamer">different classes</a>)
</td>
<td> - (continuous only)
</td>
</tr>
<tr>
<td><a href="https://github.com/pytorch/rl/blob/main/sota-implementations/decision_transformer">Decision Transformers</a>
</td>
<td> untested
</td>
<td> +
</td>
<td> NA
</td>
<td> - (continuous only)
</td>
</tr>
<tr>
<td><a href="https://github.com/pytorch/rl/blob/main/sota-implementations/crossq">CrossQ</a>
</td>
<td> untested
</td>
<td> +
</td>
<td> +
</td>
<td> - (continuous only)
</td>
</tr>
<tr>
<td><a href="https://github.com/pytorch/rl/blob/main/sota-implementations/gail">Gail</a>
</td>
<td> untested
</td>
<td> +
</td>
<td> NA
</td>
<td> +
</td>
</tr>
<tr>
<td><a href="https://github.com/pytorch/rl/blob/main/sota-implementations/impala">Impala</a>
</td>
<td> untested
</td>
<td> +
</td>
<td> -
</td>
<td> +
</td>
</tr>
<tr>
<td><a href="https://github.com/pytorch/rl/blob/main/sota-implementations/multiagent/iql.py">IQL (MARL)</a>
</td>
<td> untested
</td>
<td> +
</td>
<td> +
</td>
<td> +
</td>
</tr>
<tr>
<td><a href="https://github.com/pytorch/rl/blob/main/sota-implementations/multiagent/maddpg_iddpg.py">DDPG (MARL)</a>
</td>
<td> untested
</td>
<td> +
</td>
<td> +
</td>
<td> - (continuous only)
</td>
</tr>
<tr>
<td><a href="https://github.com/pytorch/rl/blob/main/sota-implementations/multiagent/mappo_ippo.py">PPO (MARL)</a>
</td>
<td> untested
</td>
<td> +
</td>
<td> -
</td>
<td> +
</td>
</tr>
<tr>
<td><a href="https://github.com/pytorch/rl/blob/main/sota-implementations/multiagent/qmix_vdn.py">QMIX-VDN (MARL)</a>
</td>
<td> untested
</td>
<td> +
</td>
<td> NA
</td>
<td> +
</td>
</tr>
<tr>
<td><a href="https://github.com/pytorch/rl/blob/main/sota-implementations/multiagent/sac.py">SAC (MARL)</a>
</td>
<td> untested
</td>
<td> +
</td>
<td> -
</td>
<td> +
</td>
</tr>
<tr>
<td><a href="https://github.com/pytorch/rl/blob/main/examples/rlhf">RLHF</a>
</td>
<td> NA
</td>
<td> +
</td>
<td> NA
</td>
<td> NA
</td>
</tr>
</table>

** The number indicates expected speed-up compared to eager mode when executed on CPU. Numbers may vary depending on
architecture and device.

and many more to come!

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