MI250 QKV fused and all linear layers sym, FP8 attention, guidance scale 8, calib steps 10

.gitattributes

@@ -35,3 +35,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
 brevitas/quant_param.json filter=lfs diff=lfs merge=lfs -text
 all_sym_8_calib10/quant_params.json filter=lfs diff=lfs merge=lfs -text
+all_linear_sym_8_calib10/quant_params.json filter=lfs diff=lfs merge=lfs -text

all_linear_sym_8_calib10/quant_params.json

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