krinkle, 10 months ago

SpiderMonkey Newsletter (Firefox 116-117) by @SpiderMonkey:

https://spidermonkey.dev/blog/2023/08/07/newsletter-firefox-116-117.html

"""
We added a fast path for JSON.stringify.
[..]
We’ve disabled Spectre mitigations in Fission content processes (Nightly-only for now).
"""

Interesting to see the initial generation of Spectre mitigations slowly come down, regaining some perf losses.

Also awesome progress on Speedometer 2, now on par with Chrome! https://mozilla.social/@stevetex/110696689018983577

#webperf #spidermonkey #mozilla #firefox #gecko #spectre