Coywolf Qi Hunt wrote:
What would the optimization be worth?
* A faster uncompressing of the kernel, since a total 1-time memcopy of the
whole kernel is been optimized away.
* I'm not sure about the size, the memory or disk footprint. If the 32k static
(!) memory array in compressed/misc.c, I don't know if it safes 32k running
memory, or 32k on-disk size. Since I don't know the indepth working of these
Neither for saving running memory (discarded), nor on-disk size
(window[WSIZE] resides in BSS).
I've actually implemented this for another application (where BSS was at
a premium.) It even has some nice benefits for code size if you do it
right.
It indeed would avoid a cache-to-memory copy, but that's not really a
huge deal, which is why noone has worried too much about it.
-hpa
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