Bug 1952778 Comment 0 Edit History

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Original comment by
on 
Open attached testcase
Enter 2500000 and press generate

Nightly: 
OMT Baseline compilation: https://share.firefox.dev/41Q1rHk (9.1s)
MT Baseline compilation: https://share.firefox.dev/3FepUNQ (7.5s)

Chrome couldnt complete - it inhaled all my RAM

Slowness with OMT baseline compilation is currently expected, with ongoing work to improve it with techniques like Batching. But filing this bug as a simple (but artificial)  testcase.
Revision 1 by
on 
Open attached testcase
Enter some number and press generate

**2500000 **
- OMT Baseline compilation: https://share.firefox.dev/41Q1rHk (9.1s)
- MT Baseline compilation: https://share.firefox.dev/3FepUNQ (7.5s)
- Chrome couldnt complete - it inhaled all my RAM
**3500000**
- OMT: https://share.firefox.dev/4ibeSaE (13s)
- MT: https://share.firefox.dev/43Elo5c (10.5s)

What is the browser doing in this period in OMT case where no activity is shown and which probably contributes the most to the perf gap: https://share.firefox.dev/41Qt0jP ?

Slowness with OMT baseline compilation is currently expected, with ongoing work to improve it with techniques like Batching. But filing this bug as a simple (but artificial)  testcase.
Revision 2 by
on 
Open attached testcase
Enter some number and press generate

**2500000**
- OMT Baseline compilation: https://share.firefox.dev/41Q1rHk (9.1s)
- MT Baseline compilation: https://share.firefox.dev/3FepUNQ (7.5s)
- Chrome couldnt complete - it inhaled all my RAM
**3500000**
- OMT: https://share.firefox.dev/4ibeSaE (13s)
- MT: https://share.firefox.dev/43Elo5c (10.5s)

What is the browser doing in this period in OMT case where no activity is shown and which probably contributes the most to the perf gap: https://share.firefox.dev/41Qt0jP ?

Slowness with OMT baseline compilation is currently expected, with ongoing work to improve it with techniques like Batching. But filing this bug as a simple (but artificial)  testcase.
Revision 3 by
on 
Open attached testcase
Enter some number and press generate

**2500000**
- OMT Baseline compilation: https://share.firefox.dev/41Q1rHk (9.1s)
- MT Baseline compilation: https://share.firefox.dev/3FepUNQ (7.5s)
- Chrome couldnt complete - it inhaled all my RAM

**3500000**
- OMT: https://share.firefox.dev/4ibeSaE (13s)
- MT: https://share.firefox.dev/43Elo5c (10.5s)

What is the browser doing in this period in OMT case where no activity is shown and which probably contributes the most to the perf gap: https://share.firefox.dev/41Qt0jP ?

Slowness with OMT baseline compilation is currently expected, with ongoing work to improve it with techniques like Batching. But filing this bug as a simple (but artificial)  testcase.

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