pmerge --pretend --verbose
[ebuild N ] media-libs/opus-1.6.1::gentoo USE="-custom-modes -debug -deep-plc -doc -dred -hardened -osce -static-libs -test" CPU_FLAGS_X86="sse" 10.0 MiB
[ebuild N ] media-video/ffmpeg-chromium-154:154::gentoo USE="gpl threads -cpudetection -debug -nvenc -vaapi -vdpau -vulkan" CPU_FLAGS_X86="aes avx avx2 fma3 mmx mmxext sse sse2 sse3 sse4_1 sse4_2 ssse3 -3dnow -3dnowext -fma4 -xop" 11.1 MiB
Total: 2 packages (2 new), Size of downloads: 21.1 MiB
* Running sanity checks...
* resolver plan required 11 ops (0.01 seconds)
- Wall time
- 0.449 s vs. 0.065 s for portage-ng