intel pentium chip has 2 cache D and I
i disabled the hardware cache and executes
%time ls -l -r /bin
1st time real = 0m0.12s
user=0m0.10s
sys=0m0.00s
2nd time
0m0.11
0m0.10
0m0.0
3rd same
when enabled
1st
0m0.11s
0m0.10s
0m0.0s
2nd
0m0.11s
0m0.00s
0m0.10s
3rd
0m0.12s
0m0.10s
0m0.00s
and process when ENABLED
%time cp -r /usr/src/linux-2.4 /tmp
1st time
1m32.147
0m0.290s
0m20.050s
2nd
1m27.384
0m0.190s
0m20.880s
and when DISABLED
1st
1m29.351s
0m0.340s
0m19.750s
2nd
01m26.872
0m0.280s
0m20.050s
2nd time
plz can anybody explains this confusing statistics
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