From 017b6b8744f0771e498656ec043e12d5cc6969a7 Mon Sep 17 00:00:00 2001
From: C43H66N12O12S2 <36072735+C43H66N12O12S2@users.noreply.github.com>
Date: Sat, 8 Oct 2022 17:27:21 +0300
Subject: [PATCH] check for ampere

---
 modules/sd_hijack.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/modules/sd_hijack.py b/modules/sd_hijack.py
index ed271976b..5e266d5e5 100644
--- a/modules/sd_hijack.py
+++ b/modules/sd_hijack.py
@@ -22,9 +22,10 @@ def apply_optimizations():
     undo_optimizations()
 
     ldm.modules.diffusionmodules.model.nonlinearity = silu
-    if cmd_opts.xformers and shared.xformers_available and not torch.version.hip:
-        ldm.modules.attention.CrossAttention.forward = sd_hijack_optimizations.xformers_attention_forward
-        ldm.modules.diffusionmodules.model.AttnBlock.forward = sd_hijack_optimizations.xformers_attnblock_forward
+    if cmd_opts.xformers and shared.xformers_available and torch.version.cuda:
+        if torch.cuda.get_device_capability(shared.device) == (8, 6):
+            ldm.modules.attention.CrossAttention.forward = sd_hijack_optimizations.xformers_attention_forward
+            ldm.modules.diffusionmodules.model.AttnBlock.forward = sd_hijack_optimizations.xformers_attnblock_forward
     elif cmd_opts.opt_split_attention_v1:
         ldm.modules.attention.CrossAttention.forward = sd_hijack_optimizations.split_cross_attention_forward_v1
     elif not cmd_opts.disable_opt_split_attention and (cmd_opts.opt_split_attention or torch.cuda.is_available()):