[Vm-dev] VM Maker: VMMaker.oscog-eem.1967.mcz
Tobias Pape
Das.Linux at gmx.de
Thu Oct 27 00:48:40 UTC 2016
Hi Eliot,
On 27.10.2016, at 02:28, commits at source.squeak.org wrote:
> + the least significant 32-bits we could use long32At: to access these, in the hope that the
> + 32-bit access will be quicker on 64-bits by virtue of fetching half the bits. But experiments
Do you want to explain why a half-word access should be faster than a full-word access on current
Hardware? What I heard is that modern cpu's _never_ fetch below word-size but only mask afterwards.
This would match you experiment results.
Best regards
-Tobias
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