Benchmark: Randlskdjf - MeasureThat.net

Script Preparation code:

string = `{"m":"symbol_resolved","p":["cs_QKsRvaqOGKbx","sds_sym_1",{"session_holidays":"20000117,20000221,20000421,20000529,20000704,20000904,20001123,20001225,20010101,20010115,20010219,20010413,20010528,20010704,20010903,20011122,20011225,20020101,20020121,20020218,20020329,20020527,20020704,20020902,20021128,20021225,20030101,20030120,20030217,20030418,20030526,20030704,20030901,20031127,20031225,20040101,20040119,20040216,20040409,20040531,20040611,20040705,20040906,20041125,20041224,20050117,20050221,20050325,20050530,20050704,20050905,20051124,20051226,20060102,20060116,20060220,20060414,20060529,20060704,20060904,20061123,20061225,20070101,20070102,20070115,20070219,20070406,20070528,20070704,20070903,20071122,20071225,20080101,20080121,20080218,20080321,20080526,20080704,20080901,20081127,20081225,20090101,20090119,20090216,20090410,20090525,20090703,20090907,20091126,20091225,20100101,20100118,20100215,20100402,20100531,20100705,20100906,20101125,20101224,20110117,20110221,20110422,20110530,20110704,20110905,20111124,20111226,20120102,20120116,20120220,20120406,20120528,20120704,20120903,20121122,20121225,20130101,20130121,20130218,20130329,20130527,20130704,20130902,20131128,20131225,20140101,20140120,20140217,20140418,20140526,20140704,20140901,20141127,20141225,20150101,20150119,20150216,20150403,20150525,20150703,20150907,20151126,20151225,20160101,20160118,20160215,20160325,20160530,20160704,20160905,20161124,20161226,20170102,20170116,20170220,20170414,20170529,20170704,20170904,20171123,20171225,20180101,20180115,20180219,20180330,20180528,20180704,20180903,20181122,20181225,20190101,20190121,20190218,20190419,20190527,20190704,20190902,20191128,20191225,20200101,20200120,20200217,20200410,20200525,20200703,20200907,20201126,20201225,20210101,20210118,20210215,20210402,20210531,20210705,20210906,20211125,20211224,20220117,20220221,20220415,20220530,20220620,20220704,20220905,20221124,20221226,20230102,20230116,20230220,20230407,20230529,20230619,20230704,20230904,20231123,20231225","subsession_id":"regular","provider_id":"ice","currency_id":"USD","country":"US","pro_perm":"nasdaq","allowed_adjustment":"any","short_description":"Tesla, Inc.","variable_tick_size":"0.0001 1 0.01","sedol":"B616C79","nsin":"88160R101","isin":"US88160R1014","local_code":"TSLA","language":"en","local_description":"Tesla, Inc.","name":"TSLA","full_name":"BATS:TSLA","pro_name":"NASDAQ:TSLA","base_name":["NASDAQ:TSLA"],"description":"Tesla, Inc.","exchange":"Cboe BZX","pricescale":100,"pointvalue":1.0,"minmov":1,"session":"0930-1600","session_display":"0930-1600","subsessions":[{"description":"Regular Trading Hours","id":"regular","private":false,"session":"0930-1600","session-display":"0930-1600"},{"description":"Extended Trading Hours","id":"extended","private":false,"session":"0400-2000","session-display":"0400-2000"},{"description":"Premarket","id":"premarket","private":true,"session":"0400-0930","session-display":"0400-0930"},{"description":"Postmarket","id":"postmarket","private":true,"session":"1600-2000","session-display":"1600-2000"}],"type":"stock","typespecs":["common"],"resolutions":[],"has_intraday":true,"fractional":false,"listed_exchange":"NASDAQ","legs":["BATS:TSLA"],"is_tradable":true,"minmove2":0,"timezone":"America/New_York","aliases":["BATS_MIX:TSLA"],"alternatives":["BATS_DLY:TSLA"],"currency_code":"USD","is_replayable":true,"has_adjustment":true,"has_extended_hours":true,"bar_source":"trade","bar_transform":"none","bar_fillgaps":false,"visible_plots_set":"ohlcv"}],"t":1644345402,"t_ms":1644345402214}`;
regex = /"p":\["([^"]+)"/;

Tests:

String.split
let data = JSON.parse(string); console.log(data.p[0]);
Regex.match
let match = string.match(regex); if (match) { console.log(match[1]); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
String.split
Regex.match

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 23 days ago):

LLMs can make mistakes. Check important info.

Let's break down the provided JSON and explain what is being tested.

**Benchmark Definition**

The `Benchmark Definition` json provides metadata about the benchmark, including its name, description, and script preparation code. In this case:

* The script preparation code defines two test cases: one that uses a regular expression (`Regex.match`) to extract the first group from the `string` variable (containing the JSON representation of a stock symbol), and another that simply splits the `string` into an array using the `split` method.
* Both tests use a fixed input string, which appears to be a JSON representation of a stock symbol.

**Individual Test Cases**

The two individual test cases are:

1. **String.split**: This test case measures the performance of the `split` method on the input string. It's likely that this is a baseline or reference test.
2. **Regex.match**: This test case measures the performance of the regular expression (`regex`) used to extract the first group from the input string.

**Test Results**

The latest benchmark result shows two tests with their respective results:

* **Regex.match**: The test executed approximately 41076 times per second on a Chrome 98 browser on a Linux desktop, running at an execution rate of 97836.828125 seconds.
* **String.split**: The test executed approximately 97836 times per second on a Chrome 98 browser on a Linux desktop, running at an execution rate of 41076.72265625 seconds.

**Interpretation**

These results suggest that the regular expression (`Regex.match`) is slower than the `split` method for this specific use case. This could be due to various factors such as the complexity of the regular expression or differences in browser implementation.

Keep in mind that these results are specific to this benchmark and may not generalize across all scenarios.

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.80 Safari/537.36

Browser/OS: Chrome 98 on Linux

View result in a separate tab

Test name	Executions per second
String.split	41076.7 Ops/sec
Regex.match	97836.8 Ops/sec

Related benchmarks:

Randlskdjf (version: 0)

Comparing performance of: String.split vs Regex.match

Created: 2 years ago by: Guest

Jump to the latest result

String.split

Regex.match

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 23 days ago):