Christian Wirth comments

Results 122 comments of


                                            Christian Wirth

Building an Android library out of a JVM project using GraalJS

Ok, if it can polyfill `Unsafe` and other JDK9+ feature (Method handles, etc.) then it might be an option to go that route.

Perf of warmed-up ClojureScript unit tests slow on Graal.JS relative to Nashorn

Hi Mike, thanks; I've also modified the test and can confirm we are ~5-6x slower than Node/v8 even with sufficient warmup. We will look into improving our score on this....

Perf of warmed-up ClojureScript unit tests slow on Graal.JS relative to Nashorn

Hi Mike, short status update: We've identified and fixed several minor, yet relevant performance issues on that benchmark. They are in tip of this repo (a few more are planned...

Perf of warmed-up ClojureScript unit tests slow on Graal.JS relative to Nashorn

@mfikes I've done some further benchmarks and figured we have quite a performance difference between the JVM and our own SubstrateVM. When you run with the `js` command, the code...

Perf of warmed-up ClojureScript unit tests slow on Graal.JS relative to Nashorn

Hi @mfikes thanks for the update, we'll investigate. Best, Christian

AST error recovery strategy is missing (aka error-tolerant parser)

Hi Kondal, thanks for your request. That sounds like an interesting feature. The crucial part is probably the recovery strategy itself, but we might be able to reuse the ideas...

Poor performance of simple set of chars regexes relatively to Node 20.1

Hi @a701440 thanks for the report, we are looking into this already. General remark: In your first example, the poor performance might also come from the substring (we are slower...

Poor performance of simple set of chars regexes relatively to Node 20.1

Tracked internally as https://ol-jira.us.oracle.com/browse/GR-23798

Reporting on https://test262.report/

Hi @jfparadis, yes, I've talked to Leo Balter already. We currently have an engineer preparing everything for this. Should not be too hard, main engineering effort might be to provide...

Reporting on https://test262.report/

Hi @devsnek thanks for working on this. We also have a student (Serhii) on this job right now. How much further to you plan to go? Can we somehow split...