test.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 16,
   "id": "b0374368-eb08-4ceb-8c8e-c8f409aa7213",
   "metadata": {},
   "outputs": [],
   "source": [
    "import torch\n",
    "from transformers import  AutoModel"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "94c38ffa-afbf-4056-a0f0-9015a3e18fc9",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "application/vnd.jupyter.widget-view+json": {
       "model_id": "4a33d7f3c8534fdb9f59d733343101b9",
       "version_major": 2,
       "version_minor": 0
      },
      "text/plain": [
       "Loading checkpoint shards:   0%|          | 0/2 [00:00<?, ?it/s]"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "hf_model = AutoModel.from_pretrained(\"joelb/Mixtral-8x7B-1l\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "id": "090a1f47-a067-4c0d-ba1a-a50db075957c",
   "metadata": {},
   "outputs": [],
   "source": [
    "w = hf_model.layers[0].block_sparse_moe.experts[0].w3.weight\n",
    "w2 = w.T.contiguous().T\n",
    "i = torch.randn(3, 4096)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "id": "32aad9b4-9b9b-4f96-9222-450e0c3789f6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "tensor(False)"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "torch.all(i @ w.T == i @ w2.T)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "id": "ddabe036-b8e6-486e-8fd9-ca2d6eabf195",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "((4096, 1), (1, 14336))"
      ]
     },
     "execution_count": 19,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "w.stride(), w2.stride()"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3 (ipykernel)",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.11.9"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 5
}