-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 8/30/2012 12:25 PM, Josef Bacik wrote: > Once you cross some hardware dependant threshold (usually past 32k) > you start incurring high memmove() overhead in most workloads. > Like all benchmarking its good to test your workload and see what > works best, but 16k should generally be the best option. Thanks, > > Josef
Why are memmove()s neccesary, can they be avoided, and why do they incur more overhead with 32k+ sizes? -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (MingW32) Comment: Using GnuPG with Mozilla - http://www.enigmail.net/ iQEcBAEBAgAGBQJQdwjZAAoJEJrBOlT6nu75rkYH/RYXBbAJfIG2KmmmFA8kSIiL EEvdA9KRnVH08h2lnB26xNdCPbf59M7GrH2hZK48gM9x4OQPzKXf8eCTYTy4mFKy mqTPFsgcPveTFtgoRXkuhZvUXMpFV4M8I7MLZRCcxk5KWTwA/slcunQxG7BMz/V4 tBxE8ya2Hxej2VJe4AbLR6PJbvCGsFXNlxBpUy9Qh7q0TmDeGzsoaZ1We1itNjQZ wWjTerka2qe9dyP8EOUp/uZqGUQXu1TUKbTLygsfMb11/vGMkoUkZtTa0f9lQosw 10UlA8TyqAkLX3gpQzsJVCwiRuNWQBbQqvdYq3dCQOgzBbvOdvD6TtmeS1saO4o= =qV0c -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
