[Compiler Toolkit] Add option for full inductor. #2150
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lgtm with comments.
yiming0416
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Being able to compile fw/bw graphs using compile_fx_inner will help with establishing perf rooflines. <!-- ps-id: 5d590700-6d1f-44fe-8f70-4d2ea39106f4 -->
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aot_eager for llama3: full inductor: |
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Being able to compile fw/bw graphs using compile_fx_inner could help with establishing perf rooflines.
Full inductor compilation is achieved using
compile_fx_inner, however, it requires the graph to have been decomposed using Inductor's default decomposition table. We apply this decomposition as a pass on the joint graph. We need to be careful to suitably unwrap the primals/tangents before running this decomposition.Manual testing:
NGPU=4
CONFIG_FILE=./torchtitan/models/llama3/train_configs/debug_model.toml
TRAIN_FILE=torchtitan.experiments.compiler_toolkit.train
./run_train.sh
--model.name $MODEL_NAME
--parallelism.data_parallel_shard_degree=2
--parallelism.tensor_parallel_degree=2
--job.custom_config_module=torchtitan.experiments.compiler_toolkit.job_config
--compile.joint_passes inductor_decomposition
--compile.passes full_inductor_compilation