## AMD3990x With tables=10 master drowley@amd3990x:~$ ./pgdump_bench.sh pg_dump for 2 columns real 0m0.106s pg_dump for 4 columns real 0m0.075s pg_dump for 8 columns real 0m0.077s pg_dump for 16 columns real 0m0.083s pg_dump for 31 columns real 0m0.100s pg_dump for 32 columns real 0m0.099s pg_dump for 64 columns real 0m0.130s pg_dump for 128 columns real 0m0.208s pg_dump for 256 columns real 0m0.587s pg_dump for 512 columns real 0m3.227s pg_dump for 1024 columns real 0m23.053s patched drowley@amd3990x:~$ ./pgdump_bench.sh pg_dump for 2 columns real 0m0.109s pg_dump for 4 columns real 0m0.054s pg_dump for 8 columns real 0m0.057s pg_dump for 16 columns real 0m0.068s pg_dump for 31 columns real 0m0.080s pg_dump for 32 columns real 0m0.083s pg_dump for 64 columns real 0m0.105s pg_dump for 128 columns real 0m0.153s pg_dump for 256 columns real 0m0.272s pg_dump for 512 columns real 0m0.558s pg_dump for 1024 columns real 0m1.573s ## AMD3990x With tables=100 master drowley@amd3990x:~$ ./pgdump_bench.sh pg_dump for 2 columns real 0m0.150s pg_dump for 4 columns real 0m0.079s pg_dump for 8 columns real 0m0.095s pg_dump for 16 columns real 0m0.112s pg_dump for 31 columns real 0m0.134s pg_dump for 32 columns real 0m0.136s pg_dump for 64 columns real 0m0.278s pg_dump for 128 columns real 0m0.817s pg_dump for 256 columns real 0m3.998s pg_dump for 512 columns real 0m27.443s pg_dump for 1024 columns real 3m29.857s patched drowley@amd3990x:~$ ./pgdump_bench.sh pg_dump for 2 columns real 0m0.106s pg_dump for 4 columns real 0m0.075s pg_dump for 8 columns real 0m0.077s pg_dump for 16 columns real 0m0.083s pg_dump for 31 columns real 0m0.100s pg_dump for 32 columns real 0m0.099s pg_dump for 64 columns real 0m0.130s pg_dump for 128 columns real 0m0.208s pg_dump for 256 columns real 0m0.587s pg_dump for 512 columns real 0m3.227s pg_dump for 1024 columns real 0m23.053s