mirror of https://github.com/hpcaitech/ColossalAI
86 lines
2.5 KiB
Python
86 lines
2.5 KiB
Python
import time
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import torch
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import torch.fx
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from chunk_codegen import ChunkCodeGen
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from colossalai.fx import ColoTracer
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from colossalai.fx.graph_module import ColoGraphModule
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from colossalai.fx.passes.meta_info_prop import MetaInfoProp
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from colossalai.fx.profiler import MetaTensor
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from evoformer.evoformer import evoformer_base
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def _benchmark_evoformer(model: torch.nn.Module, node, pair, title):
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torch.cuda.reset_peak_memory_stats()
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now_mem = torch.cuda.memory_allocated() / 1024**2
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loop = 16
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with torch.no_grad():
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for _ in range(loop // 4):
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model(node, pair)
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torch.cuda.synchronize()
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time1 = time.time()
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for _ in range(loop):
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model(node, pair)
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torch.cuda.synchronize()
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time2 = time.time()
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new_max_mem = torch.cuda.max_memory_allocated() / 1024**2
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print(
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"%s: time %.4fs, mem %dMB"
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% (title, (time2 - time1) / loop, new_max_mem - now_mem)
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)
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def _build_autochunk(model, max_memory, node, pair):
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# trace the module and replace codegen
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graph = ColoTracer().trace(
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model,
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meta_args={
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"node": node.to(torch.device("meta")),
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"pair": pair.to(torch.device("meta")),
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},
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)
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gm_prop = torch.fx.symbolic_trace(model) # must use symbolic_trace
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interp = MetaInfoProp(gm_prop)
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interp.propagate(
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MetaTensor(node, fake_device="cuda:0"), MetaTensor(pair, fake_device="cuda:0")
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)
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# now run it twice to get meta info in graph module, not necessary
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gm = torch.fx.GraphModule(model, graph)
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interp = MetaInfoProp(gm)
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interp.propagate(
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MetaTensor(node, fake_device="cuda:0"), MetaTensor(pair, fake_device="cuda:0")
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)
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# set code_gen
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codegen = ChunkCodeGen(gm_prop, max_memory)
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graph.set_codegen(codegen)
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gm = ColoGraphModule(model, graph)
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gm.recompile()
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# print
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code = graph.python_code("self").src
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print(code)
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return gm
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def benchmark_evoformer():
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# init data and model
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msa_len = 300
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pair_len = 800
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node = torch.randn(1, msa_len, pair_len, 256).cuda()
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pair = torch.randn(1, pair_len, pair_len, 128).cuda()
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model = evoformer_base().cuda()
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# build autochunk model
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max_memory = 3000 # MB
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autochunk = _build_autochunk(model, max_memory, node, pair)
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# benchmark
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_benchmark_evoformer(model, node, pair, "openfold")
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_benchmark_evoformer(autochunk, node, pair, "autochunk")
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if __name__ == "__main__":
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benchmark_evoformer()
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