Merge pull request #25 from gjbex/development

Updates to slides

Author: gjbex

scientific_python.pptx

@@ -107,8 +107,8 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "CPU times: user 11.2 s, sys: 173 ms, total: 11.3 s\n",
-      "Wall time: 11.5 s\n"
+      "CPU times: user 11.7 s, sys: 323 ms, total: 12 s\n",
+      "Wall time: 12.2 s\n"
      ]
     }
    ],
@@ -142,7 +142,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "2.09 s ± 21.4 ms per loop (mean ± std. dev. of 7 runs, 1 loop each)\n"
+      "2.14 s ± 13.7 ms per loop (mean ± std. dev. of 7 runs, 1 loop each)\n"
      ]
     }
    ],
@@ -195,7 +195,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "6.14 s ± 98.6 ms per loop (mean ± std. dev. of 7 runs, 1 loop each)\n"
+      "6.22 s ± 89.4 ms per loop (mean ± std. dev. of 7 runs, 1 loop each)\n"
      ]
     }
    ],
@@ -248,7 +248,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "12.2 s ± 439 ms per loop (mean ± std. dev. of 7 runs, 1 loop each)\n"
+      "12.1 s ± 289 ms per loop (mean ± std. dev. of 7 runs, 1 loop each)\n"
      ]
     }
    ],
@@ -347,15 +347,23 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "CPU times: user 0 ns, sys: 36.6 ms, total: 36.6 ms\n",
-      "Wall time: 36.4 ms\n"
+      "CPU times: user 8.4 ms, sys: 110 ms, total: 118 ms\n",
+      "Wall time: 119 ms\n"
      ]
     }
    ],
    "source": [
     "%time np.save(bin_file_name, data)"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "3742048e-11ec-4ea0-80c6-acce043c3ffc",
+   "metadata": {},
+   "source": [
+    "### `np.load`"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 14,
@@ -366,7 +374,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "17.6 ms ± 922 μs per loop (mean ± std. dev. of 7 runs, 100 loops each)\n"
+      "19.3 ms ± 2.65 ms per loop (mean ± std. dev. of 7 runs, 10 loops each)\n"
      ]
     }
    ],
@@ -401,6 +409,59 @@
     "print(loaded_data.shape, loaded_data.dtype)"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "98a9f5f1-fb81-4c18-9631-e82df696e033",
+   "metadata": {},
+   "source": [
+    "### `np.fromfile`"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 16,
+   "id": "5eec68f1-6fcd-4ea6-9cfa-e8b838dc4735",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "16.7 ms ± 1.3 ms per loop (mean ± std. dev. of 7 runs, 100 loops each)\n"
+     ]
+    }
+   ],
+   "source": [
+    "%timeit np.fromfile(bin_file_name)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "3e43e113-295c-4e68-880c-a789ff0b7d6b",
+   "metadata": {},
+   "source": [
+    "Verifying the loaded data is always wise."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 17,
+   "id": "fb5267ba-6e37-45c7-b2e5-b64476c5c564",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "(10000016,) float64\n"
+     ]
+    }
+   ],
+   "source": [
+    "loaded_data = np.fromfile(bin_file_name)\n",
+    "print(loaded_data.shape, loaded_data.dtype)"
+   ]
+  },
   {
    "cell_type": "markdown",
    "id": "13c58d18-7eac-4146-9e35-042db70db30e",
@@ -419,7 +480,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": 18,
    "id": "d1ce08c0-f7f6-4f4c-9b8f-058b19ebb20b",
    "metadata": {},
    "outputs": [],
@@ -445,7 +506,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 19,
    "id": "50999bbc-a99c-4c6b-bdc8-275c4a35670e",
    "metadata": {},
    "outputs": [],
@@ -455,16 +516,16 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 20,
    "id": "fa7576a2-d24b-4225-92ed-ceff98f58dbe",
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "CPU times: user 5.57 ms, sys: 29.4 ms, total: 35 ms\n",
-      "Wall time: 34.4 ms\n"
+      "CPU times: user 24 ms, sys: 69.1 ms, total: 93.1 ms\n",
+      "Wall time: 94.4 ms\n"
      ]
     }
    ],
@@ -477,15 +538,15 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": 21,
    "id": "ef30122b-d2a6-4ece-a56e-5f8979bd1ee2",
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "32 ms ± 3.04 ms per loop (mean ± std. dev. of 7 runs, 10 loops each)\n"
+      "26.9 ms ± 308 μs per loop (mean ± std. dev. of 7 runs, 10 loops each)\n"
      ]
     }
    ],
@@ -514,7 +575,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 20,
+   "execution_count": 22,
    "id": "78a90431-3976-4bb0-811f-40a49307ea0a",
    "metadata": {},
    "outputs": [
@@ -551,7 +612,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 23,
    "id": "5d6b4dce-7937-4f9f-a4c9-8d74c8d117e1",
    "metadata": {},
    "outputs": [],