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ext2patched
2001 Aug 20
2
tytso's readdir speedup patch - adoptable?
...st node! Theodore stores a
refference to the node which was accessed recently, so the next lookup
begins there and only one iteration is needed in best case. My own
test with "time ls -l" in a directory with 50000 files:
real 0m5.507s
user 0m1.880s
sys 0m0.940s
root@zombie:/tmp/ext2patched>
real 0m4.341s
user 0m1.890s
sys 0m1.010s
root@zombie:/tmp/reiser>
real 1m54.355s
user 0m2.060s
sys 1m50.370s
root@zombie:/tmp/ext3>
I don't remember the result of ext2 before patching, it was about 1.45s
IIRC. You see, ext3 is the looser and needs about 10000...