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Commit 490e07d

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clean up timing code
1 parent 90c688c commit 490e07d

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‎notebooks/time_h3_apis.ipynb‎

Lines changed: 43 additions & 92 deletions
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@@ -8,6 +8,7 @@
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"# API Speed Comparison\n",
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"\n",
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"We time a simple toy computational task across the various APIs.\n",
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"\n",
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"We also compare the option of doing most of the computation in one of the faster APIs (using the `int` representation of H3 indexes),\n",
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"and then converting the results to the more familiar format of Python `str` objects."
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]
@@ -21,9 +22,7 @@
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"source": [
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"import h3\n",
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"import h3.api.numpy_int\n",
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"from time import sleep\n",
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"\n",
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"sleep_seconds = 20\n",
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"\n",
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"def compute(h3_lib, N=100):\n",
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" h = h3_lib.geo_to_h3(0, 0, 9)\n",
@@ -48,17 +47,19 @@
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"source": [
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"# Compute with each API\n",
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"\n",
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"**Benchmarking note**: We put a `sleep()` before each timing to help stablize the results (at least on my laptop)."
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"**Benchmarking note**: `%%timeit sleep()` executes `sleep` before each **run** of the code to be timed in the remaining body of the cell; this helps to stabilize timing results (at least on my laptop)."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"id": "1889e459-0482-44f8-a4a9-a363f6a64231",
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"id": "e636e193-22ff-440f-a5b8-4c073c8f8a57",
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"metadata": {},
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"outputs": [],
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"source": [
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"sleep(sleep_seconds)"
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"def sleep():\n",
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" import time\n",
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" time.sleep(2)"
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]
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},
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{
@@ -71,99 +72,73 @@
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"54.2 ms ± 643 μs per loop (mean ± std. dev. of 7 runs, 10 loops each)\n"
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"58.4 ms ± 876 μs per loop (mean ± std. dev. of 7 runs, 10 loops each)\n"
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]
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}
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],
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"source": [
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"%%timeit\n",
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"%%timeit sleep()\n",
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"\n",
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"compute(h3.api.basic_str)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"id": "e4b4f37e-9c23-408a-84e0-ee8a4e92d793",
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"metadata": {},
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"outputs": [],
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"source": [
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"sleep(sleep_seconds)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 5,
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"id": "6d80bca9-c0f5-4aaa-8488-f7bd174c7ee3",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"31.1 ms ± 372 μs per loop (mean ± std. dev. of 7 runs, 10 loops each)\n"
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"34.9 ms ± 910 μs per loop (mean ± std. dev. of 7 runs, 10 loops each)\n"
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]
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}
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],
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"source": [
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"%%timeit\n",
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"%%timeit sleep()\n",
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"\n",
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"compute(h3.api.basic_int)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 6,
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"id": "766baaec-a40f-4a5c-8d9f-3c48c2835697",
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"metadata": {},
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"outputs": [],
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"source": [
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"sleep(sleep_seconds)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 7,
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"execution_count": 5,
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"id": "f2713e84-c4fb-4a60-b913-c1fb7ea7fd4b",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"6.69 ms ± 75.5 μs per loop (mean ± std. dev. of 7 runs, 100 loops each)\n"
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"6.96 ms ± 20.7 μs per loop (mean ± std. dev. of 7 runs, 100 loops each)\n"
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]
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}
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],
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"source": [
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"%%timeit\n",
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"%%timeit sleep()\n",
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"\n",
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"compute(h3.api.numpy_int)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 8,
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"id": "fa9186bb-1ffe-48be-99c3-f08f9aae2ce2",
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"metadata": {},
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"outputs": [],
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"source": [
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"sleep(sleep_seconds)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 9,
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"execution_count": 6,
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"id": "e9931ac6-eeba-4168-92e1-f8f330b1ca42",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"6.67 ms ± 72.8 μs per loop (mean ± std. dev. of 7 runs, 100 loops each)\n"
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"7 ms ± 122 μs per loop (mean ± std. dev. of 7 runs, 100 loops each)\n"
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]
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}
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],
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"source": [
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"%%timeit\n",
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"%%timeit sleep()\n",
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"\n",
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"compute(h3.api.memview_int)"
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]
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},
@@ -177,88 +152,61 @@
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},
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{
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"cell_type": "code",
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"execution_count": 10,
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"id": "ea7e8528-d84d-4e23-af12-9daab077aea7",
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"metadata": {},
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"outputs": [],
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"source": [
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"sleep(sleep_seconds)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 11,
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"execution_count": 7,
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"id": "51c02c9f-0a03-4e84-943d-09969949b83d",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"34 ms ± 421 μs per loop (mean ± std. dev. of 7 runs, 10 loops each)\n"
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"35.1 ms ± 360 μs per loop (mean ± std. dev. of 7 runs, 10 loops each)\n"
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]
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}
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],
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"source": [
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"%%timeit\n",
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"%%timeit sleep()\n",
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"\n",
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"compute_and_convert(h3.api.basic_int)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 12,
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"id": "d56ba926-9c5e-49d2-9fb6-b897070cc474",
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"metadata": {},
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"outputs": [],
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"source": [
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"sleep(sleep_seconds)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 13,
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"execution_count": 8,
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"id": "b11e3d6d-58d3-418f-9798-2a80dc16b133",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"7.85 ms ± 99.1 μs per loop (mean ± std. dev. of 7 runs, 100 loops each)\n"
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"7.61 ms ± 47 μs per loop (mean ± std. dev. of 7 runs, 100 loops each)\n"
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]
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}
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],
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"source": [
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"%%timeit\n",
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"%%timeit sleep()\n",
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"\n",
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"compute_and_convert(h3.api.memview_int)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 14,
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"id": "eab6f2d9-f52a-44e7-9079-19d1754c5a20",
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"metadata": {},
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"outputs": [],
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"source": [
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"sleep(sleep_seconds)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 15,
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"execution_count": 9,
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"id": "5cf6e8a8-583d-4309-8ed2-5b4c31c8765a",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"7.83 ms ± 101 μs per loop (mean ± std. dev. of 7 runs, 100 loops each)\n"
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"7.69 ms ± 172 μs per loop (mean ± std. dev. of 7 runs, 100 loops each)\n"
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]
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}
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],
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"source": [
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"%%timeit\n",
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"%%timeit sleep()\n",
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"\n",
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"compute_and_convert(h3.api.numpy_int)"
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]
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},
@@ -269,39 +217,42 @@
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"source": [
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"# Speedup\n",
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"\n",
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"We typically see about a 6--8x speedup, comparing the `h3.api.basic_str` interface against computing with the `h3.api.numpy_int` and then converting the results back to `str`."
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"We typically see about a 6--8x speedup in the case of comparing:\n",
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"\n",
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"- computing with the `h3.api.basic_str` interface against\n",
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"- computing with the `h3.api.numpy_int`, and then converting the results back to `str`."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 16,
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"execution_count": 11,
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"id": "188da0e8-efd8-43f5-9f45-b821e085b8a7",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"6.922094508301405"
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"7.594278283485045"
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]
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},
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"execution_count": 16,
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"execution_count": 11,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"# REMEMBER! update the numbers from the `%%timeit`s above!\n",
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"### REMEMBER! Update the numbers from the `%%timeit`s above!\n",
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"\n",
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"c_str = 54.2\n",
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"cnc_numpy = 7.83\n",
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"c_str = 58.4\n",
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"cnc_numpy = 7.69\n",
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"\n",
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"c_str/cnc_numpy"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "233d4a44-f8e6-42d2-b54d-b6001c776102",
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"id": "326bea04-304f-4b03-81f2-2fc77420e429",
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"metadata": {},
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"outputs": [],
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"source": []

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