reading emails in reverse, apologies, may be similar to what I just sent. Is it easy enough to try the request animation frame approach? may help rule out an error in web worker code or approach if you emulate his flow to start, then start optimizing back to web worker if it solves to avoid whatever may have caused the delta. Just a thought
On 09/05/2021 10:13 AM Stephen Illingworth <stephen.illingwo...@gmail.com> wrote:
Thanks for that, it was interesting reading. The problem he was describing in the Doom case seems to be have been caused by the WASM program taking up all the CPU time, meaning the browser itself is unresponsive. I've solved that by using a Web Worker. From what I understand requestAnimationFrame() is a different solution to the same problem. Somebody correct me if I'm wrong.
What is interesting though is the profile differences between his Doom port and my 2600 emulator. The top image is from the Doom port:
![]()
And this is from Web2600, over a similar time period:
![]()
We can see a lot more gaps in the second case than the first, which would account for the performance drop I think.
Does this bring me closer to a solution?
On Sunday, 5 September 2021 at 13:28:44
I had read an article that may be useful (format was different so may not be the same) --> https://github.com/diekmann/wasm-fizzbuzz (goes from basic WASM to Doom)
The key thing in the Doom port that I recall was needed was to change the perspective of the owning thread (now the browser) so needed to ensure it was never blocked/ responded quickly. When you read through you may find your answer or something that gives you an idea to start searching through in your code.
Hope it helps, David--
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Sincerely,
David Suarez
Gallup Strengths Finder: Achiever * Strategic * Relator * Ideation * Learner
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