Benchmark: replaceAll vs regex replace pt4

Tests:

replace regex
"Lorem\x7Fipsum\x7Fdolor\x7Fsit\x7Famet,\x7Fconsectetur\x7Fadipiscing\x7Felit,\x7Fsed\x7Fdo\x7Feiusmod\x7Ftempor\x7Fincididunt\x7Fut\x7Flabore\x7Fet\x7Fdolore\x7Fmagna\x7Faliqua.\x7FUt\x7Fenim\x7Fad\x7Fminim\x7Fveniam,\x7Fquis\x7Fnostrud\x7Fexercitation\x7Fullamco\x7Flaboris\x7Fnisi\x7Fut\x7Faliquip\x7Fex\x7Fea\x7Fcommodo\x7Fconsequat.\x7FDuis\x7Faute\x7Firure\x7Fdolor\x7Fin\x7Freprehenderit\x7Fin\x7Fvoluptate\x7Fvelit\x7Fesse\x7Fcillum\x7Fdolore\x7Feu\x7Ffugiat\x7Fnulla\x7Fpariatur.\x7FExcepteur\x7Fsint\x7Foccaecat\x7Fcupidatat\x7Fnon\x7Fproident,\x7Fsunt\x7Fin\x7Fculpa\x7Fqui\x7Fofficia\x7Fdeserunt\x7Fmollit\x7Fanim\x7Fid\x7Fest\x7Flaborum.".replace(/\x7F/g, "+");
replace All
"Lorem\x7Fipsum\x7Fdolor\x7Fsit\x7Famet,\x7Fconsectetur\x7Fadipiscing\x7Felit,\x7Fsed\x7Fdo\x7Feiusmod\x7Ftempor\x7Fincididunt\x7Fut\x7Flabore\x7Fet\x7Fdolore\x7Fmagna\x7Faliqua.\x7FUt\x7Fenim\x7Fad\x7Fminim\x7Fveniam,\x7Fquis\x7Fnostrud\x7Fexercitation\x7Fullamco\x7Flaboris\x7Fnisi\x7Fut\x7Faliquip\x7Fex\x7Fea\x7Fcommodo\x7Fconsequat.\x7FDuis\x7Faute\x7Firure\x7Fdolor\x7Fin\x7Freprehenderit\x7Fin\x7Fvoluptate\x7Fvelit\x7Fesse\x7Fcillum\x7Fdolore\x7Feu\x7Ffugiat\x7Fnulla\x7Fpariatur.\x7FExcepteur\x7Fsint\x7Foccaecat\x7Fcupidatat\x7Fnon\x7Fproident,\x7Fsunt\x7Fin\x7Fculpa\x7Fqui\x7Fofficia\x7Fdeserunt\x7Fmollit\x7Fanim\x7Fid\x7Fest\x7Flaborum.".replaceAll("\x7F", "+");
split & join
"Lorem\x7Fipsum\x7Fdolor\x7Fsit\x7Famet,\x7Fconsectetur\x7Fadipiscing\x7Felit,\x7Fsed\x7Fdo\x7Feiusmod\x7Ftempor\x7Fincididunt\x7Fut\x7Flabore\x7Fet\x7Fdolore\x7Fmagna\x7Faliqua.\x7FUt\x7Fenim\x7Fad\x7Fminim\x7Fveniam,\x7Fquis\x7Fnostrud\x7Fexercitation\x7Fullamco\x7Flaboris\x7Fnisi\x7Fut\x7Faliquip\x7Fex\x7Fea\x7Fcommodo\x7Fconsequat.\x7FDuis\x7Faute\x7Firure\x7Fdolor\x7Fin\x7Freprehenderit\x7Fin\x7Fvoluptate\x7Fvelit\x7Fesse\x7Fcillum\x7Fdolore\x7Feu\x7Ffugiat\x7Fnulla\x7Fpariatur.\x7FExcepteur\x7Fsint\x7Foccaecat\x7Fcupidatat\x7Fnon\x7Fproident,\x7Fsunt\x7Fin\x7Fculpa\x7Fqui\x7Fofficia\x7Fdeserunt\x7Fmollit\x7Fanim\x7Fid\x7Fest\x7Flaborum.".split("\x7F").join("+");

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
replace regex
replace All
split & join

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one month ago):

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript benchmarks!

The provided JSON data represents a benchmarking framework, specifically MeasureThat.net, which allows users to create and run JavaScript microbenchmarks.

**Benchmark Definition**
The benchmark definition is a string that contains the code snippet to be executed. In this case, there are three different definitions:

1. `"Lorem\\x7Fipsum\\x7Fdolor\\x7Fsit\\x7Famet,...".replace(/\\x7F/g, "+");` (Test Name: "replace regex")
2. `"Lorem\\x7Fipsum\\x7Fdolor\\x7Fsit\\x7Famet,...".replaceAll("\\x7F", "+");` (Test Name: "replace All")
3. `"Lorem\\x7Fipsum\\x7Fdolor\\x7Fsit\\x7Famet,...".split("\\x7F").join("+");` (Test Name: "split & join")

**Benchmark Results**
The latest benchmark results are available, showing the performance of each test across different executions per second. The results are as follows:

1. "replace regex" - 503,038,784 executions/second
2. "split & join" - 762,074.75 executions/second
3. "replace All" - 528,156.375 executions/second

**Comparison**
The benchmark results suggest that the order of operations (i.e., replacement and splitting) has a significant impact on performance. The `replaceAll` method appears to be the fastest, followed by `split & join`, and then `replace regex`.

In general, the replacement method is faster because it uses a single operation, whereas the other two methods involve multiple steps: splitting the string into an array, joining the elements back together, and then performing the replacement.

Keep in mind that these results are specific to this benchmark test and may not be representative of all scenarios. Additionally, the performance differences between these methods can vary depending on factors such as the size and complexity of the input strings.

Latest run results:

Run details: (Test run date: 9 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.0 Safari/605.1.15

Browser/OS: Safari 17 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
replace regex	503038784.0 Ops/sec
replace All	528156.4 Ops/sec
split & join	762074.8 Ops/sec

Related benchmarks:

replaceAll vs regex replace pt4 (version: 0)

Comparing performance of: replace regex vs replace All vs split & join

Created: 9 months ago by: Guest

Jump to the latest result

replace regex

replace All

split & join

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one month ago):