On 1/28/2016 12:35 PM, Henri Sivonen wrote:
It's been a while since the previous SSE2 thread.
I have some questions:
* Does Firefox (for Windows and Linux) still run on non-SSE2 hardware?
* If it does, do the usage statistics justify it continuing to do so?
* Do Linux distros that ship Firefox by default run on non-SSE2 hardware?
* Do we already use SSE2 code paths unconditionally on x86_64? (I
gather SSE2 is a non-optional part of x86_64.)
* Does Chrome run on non-SSE2 hardware? What about Chromium?
In other words, can SSE2-enablement now be a compile-time thing or
does it still need to be a run-time thing?
Telemetry doesn't capture this data? One would think that it would be
important to know what the capabilities of your users CPU/GPU at least.
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~Omega X
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