Question about running INT4 example

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Thanks for your excellent work! However, I got some problems running this example
1) Do I have to install TensorRT in order to run this example? If so, where can I find a guide to install it (e.g. what version of TensorRT should I use)?
2) Can I running this INT4 example on my RTX3090 GPU? or it has to be A2?
3) When I running this example, I got an error of
File "/home/hyf/anaconda3/lib/python3.9/site-packages/megengine/utils/comp_graph_tools.py", line 499, in run
self._func.execute()
RuntimeError: var sanity check failed: var: {id:516, layout:{512(2048),32(64),1(64),1(64),64(1) @ LOWBITS{4,8} QuantizedS4}, QuantizedS4, owner:fuse():dimshuffle(reshape[3158])[3160]@3161{ImmutableTensor}, name:fuse():dimshuffle(reshape[3158])[3160]@3161, slot:0, CompNode("gpu0:0" from "xpux:0"), s, 2, 2} (checksum: expect={checksum:0x2d819168, last_int:1412490702, last_float:3.03908e+12} got={checksum:0x9b352857, last_int:1412490702, last_float:3.03908e+12}); receiver: conv_bias(conv_bias[4275],fuse[3160]@3161,const{1,8,1,1,64}[3182])[4282]{ConvBiasForward}(864); you can set MGB_DEBUG_VAR_SANITY_CHECK_LOG=516 to get more details; pass=0
How can I fix this?

Looking forward to your reply!!

L’issue ne fournit aucun fichier du dépôt, aucun test ni aucun point d’entrée par lequel commencer ; commencez par localiser l’exemple INT4 et reproduire l’erreur signalée de MegEngine concernant les tenseurs quantifiés. Vérifiez les prérequis requis de TensorRT et du GPU, puis documentez une configuration compatible confirmée ainsi que la résolution de l’échec du sanity check.

Rédigé par le modèle d'indexation à partir du texte de l'issue.