Improve the performance and suitable for NPU computing#9631
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leisuzz wants to merge 0 commit intohuggingface:mainfrom
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Improve the performance and suitable for NPU computing#9631leisuzz wants to merge 0 commit intohuggingface:mainfrom
leisuzz wants to merge 0 commit intohuggingface:mainfrom
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a-r-r-o-w
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Oct 10, 2024
| model_input = vae.encode(pixel_values).latent_dist.sample() | ||
| model_input = model_input * vae.config.scaling_factor | ||
| return {"model_input": model_input.cpu()} | ||
| return {"model_input": accelerator.gather(model_input)} |
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Sorry if my question is stupid, but why do we need to gather here? Doesn't this cause a sync between all ranks, as opposed to npu to cpu memory sync, making it slower overall?
| add_time_ids = list(original_size + crops_coords_top_left + target_size) | ||
| add_time_ids = torch.tensor([add_time_ids]) | ||
| add_time_ids = add_time_ids.to(accelerator.device, dtype=weight_dtype) | ||
| add_time_ids = torch.tensor([add_time_ids], device=accelerator.device, dtype=weight_dtype) |
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| hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim) | ||
| hidden_states = hidden_states.to(query.dtype) | ||
| hidden_states = hidden_states.transpose(1, 2).reshape(batch_size, -1, attn.heads * head_dim).to(query.dtype) |
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Why do we need this change? For improvements to the library, feel free to open a separate PR :)
Contributor
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cc @sayakpaul for training scripts and as original author for the sdxl script |
Member
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@leisuzz any reason for closing the PR? |
Contributor
Author
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@sayakpaul Sorry, some conflicts for the commit, I created two new PRs #9642 and #9640 |
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What does this PR do?
Improve the performance (FPS) while training, and suitable for NPU computing.
Selection for free memory for CUDA or NPU
Add FlashAttention for NPU in attention processor
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