On Monday, 31 January 2022 at 08:54:16 UTC, Patrick Schluter
wrote:
-O3 often chooses longer code and unrollsmore agressively
inducing higher miss rates in the instruction caches.
-O2 can beat -O3 in some cases when code size is important.
One of the historical reasons for favoring -O2
On Monday, 31 January 2022 at 08:54:16 UTC, Patrick Schluter
wrote:
-O3 often chooses longer code and unrollsmore agressively
inducing higher miss rates in the instruction caches.
-O2 can beat -O3 in some cases when code size is important.
That is generally true. My point is that GCC and
On Tuesday, 25 January 2022 at 22:41:35 UTC, Elronnd wrote:
On Tuesday, 25 January 2022 at 22:33:37 UTC, H. S. Teoh wrote:
interesting because idivl is known to be one of the slower
instructions, but gdc nevertheless considered it not
worthwhile to replace it, whereas ldc seems obsessed about
