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docs/src/notebooks/sol_matrix_matrix.ipynb

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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "d6d12733",
+   "metadata": {},
+   "source": [
+    "# Solution to Matrix Multiplication Exercises\n",
+    "\n",
+    "## Implementation of Algorithm 3"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "be73e87a",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "function matmul_dist_3!(C,A,B)\n",
+    "    m = size(C,1)\n",
+    "    n = size(C,2)\n",
+    "    l = size(A,2)\n",
+    "    @assert size(A,1) == m\n",
+    "    @assert size(B,2) == n\n",
+    "    @assert size(B,1) == l\n",
+    "    @assert mod(m,nworkers()) == 0\n",
+    "    # Implement here\n",
+    "    nrows_w = div(m,nworkers())\n",
+    "    @sync for (i,w) in enumerate(workers())\n",
+    "        rows_w = (1:nrows_w) .+ (i-1)*nrows_w\n",
+    "        Aw = A[rows_w,:]\n",
+    "        ftr = @spawnat w begin\n",
+    "            Cw = similar(Aw,nrows_w,n)\n",
+    "            matmul_seq!(Cw,Aw,B)\n",
+    "            Cw\n",
+    "        end\n",
+    "        @async C[rows_w,:] = fetch(ftr)\n",
+    "    end\n",
+    "    C\n",
+    "end"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Julia 1.9.1",
+   "language": "julia",
+   "name": "julia-1.9"
+  },
+  "language_info": {
+   "file_extension": ".jl",
+   "mimetype": "application/julia",
+   "name": "julia",
+   "version": "1.9.1"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}