Subject: Re: [quicwg/base-drafts] Duplication can use different indexing (#1128)

From: afrind <[email-masked]>
Date: Fri, 09 Mar 2018 11:51:30 -0800

In my simulation, duplication is a very rare instruction.  With a 4k table, my 250 request HAR issued 4 Duplicate instructions.  With an 8kb table, it never happened. 

If we forgo splitting the instruction space, but only change the control instructions so that Duplicate is reuses Indexed (and keep Table Size Update the same), and we subtract 62, then we could duplicate 63 entries in a single byte, and I don't think there's a big advantage for reversing the index.

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