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brkirch 2023-01-06 16:42:47 -05:00
parent 848605fb65
commit c18add68ef
3 changed files with 30 additions and 2 deletions
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1
modules/sd_hijack_optimizations.py
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@ -216,6 +216,7 @@ def split_cross_attention_forward_invokeAI(self, x, context=None, mask=None):
# Based on Birch-san's modified implementation of sub-quadratic attention from https://github.com/Birch-san/diffusers/pull/1
# The sub_quad_attention_forward function is under the MIT License listed under Memory Efficient Attention in the Licenses section of the web UI interface
def sub_quad_attention_forward(self, x, context=None, mask=None):
assert mask is None, "attention-mask not currently implemented for SubQuadraticCrossAttnProcessor."

2
modules/sub_quadratic_attention.py
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@ -1,7 +1,7 @@
# original source:
# https://github.com/AminRezaei0x443/memory-efficient-attention/blob/1bc0d9e6ac5f82ea43a375135c4e1d3896ee1694/memory_efficient_attention/attention_torch.py
# license:
# unspecified
# MIT License (see Memory Efficient Attention under the Licenses section in the web UI interface for the full license)
# credit:
# Amin Rezaei (original author)
# Alex Birch (optimized algorithm for 3D tensors, at the expense of removing bias, masking and callbacks)