LMbench - 2.4.19 vs 2.5.67
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Paolo
cd results && make summary percent 2>/dev/null | more make[1]: Entering directory `/usr/src/LMbench/results'
L M B E N C H 2 . 0 S U M M A R Y
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Basic system parameters
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Host OS Description Mhz
--------- ------------- ----------------------- ----
frodo Linux 2.5.67 i686-pc-linux-gnu 789 frodo Linux 2.5.67 i686-pc-linux-gnu 789 frodo Linux 2.5.67 i686-pc-linux-gnu 789 frodo Linux 2.4.19 i686-pc-linux-gnu 789 frodo Linux 2.4.19 i686-pc-linux-gnu 789 frodo Linux 2.4.19 i686-pc-linux-gnu 789
Processor, Processes - times in microseconds - smaller is better
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Host OS Mhz null null open selct sig sig fork exec sh
call I/O stat clos TCP inst hndl proc proc proc
--------- ------------- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ----
frodo Linux 2.5.67 789 0.39 0.61 3.97 5.39 18.1 1.17 3.36 159. 1298 4969 frodo Linux 2.5.67 789 0.39 0.61 3.99 5.40 17.5 1.17 3.43 152. 1397 5351 frodo Linux 2.5.67 789 0.39 0.62 3.97 5.49 20.6 1.19 3.36 154. 1413 5354 frodo Linux 2.4.19 789 0.41 0.55 3.51 4.41 17.1 1.04 3.45 106. 956. 4446 frodo Linux 2.4.19 789 0.38 0.55 3.52 4.38 17.1 1.02 3.45 104. 969. 4475 frodo Linux 2.4.19 789 0.38 0.55 3.55 4.44 18.8 1.02 3.45 105. 1016 4480
Context switching - times in microseconds - smaller is better
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Host OS 2p/0K 2p/16K 2p/64K 8p/16K 8p/64K 16p/16K 16p/64K
ctxsw ctxsw ctxsw ctxsw ctxsw ctxsw ctxsw
--------- ------------- ----- ------ ------ ------ ------ ------- -------
frodo Linux 2.5.67 1.040 4.5200 17.0 11.8 313.7 53.0 314.4 frodo Linux 2.5.67 1.150 4.7000 15.6 6.5100 314.0 54.8 314.0 frodo Linux 2.5.67 1.080 4.6000 15.1 7.2000 314.0 59.0 314.2 frodo Linux 2.4.19 0.880 4.2500 14.0 7.5300 309.9 55.6 309.9 frodo Linux 2.4.19 1.000 4.4100 14.1 7.6500 309.7 44.1 310.0 frodo Linux 2.4.19 0.870 4.4300 14.2 5.7500 310.5 50.5 310.9
*Local* Communication latencies in microseconds - smaller is better
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Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP
ctxsw UNIX UDP TCP conn
--------- ------------- ----- ----- ---- ----- ----- ----- ----- ----
frodo Linux 2.5.67 1.040 6.059 8.67 17.8 38.5 25.2 48.3 87.8 frodo Linux 2.5.67 1.150 6.120 9.08 17.9 38.5 25.6 48.3 88.0 frodo Linux 2.5.67 1.080 6.159 8.98 17.9 38.5 25.6 48.6 87.5 frodo Linux 2.4.19 0.880 4.443 8.14 15.1 35.5 22.6 47.4 77.9 frodo Linux 2.4.19 1.000 4.585 8.29 15.3 35.5 22.7 48.7 78.3 frodo Linux 2.4.19 0.870 4.833 8.56 15.3 35.8 22.5 48.6 77.4
File & VM system latencies in microseconds - smaller is better
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Host OS 0K File 10K File Mmap Prot Page
Create Delete Create Delete Latency Fault Fault
--------- ------------- ------ ------ ------ ------ ------- ----- -----
frodo Linux 2.5.67 64.3 89.0 254.8 126.1 713.0 0.593 3.00000
frodo Linux 2.5.67 64.3 89.1 256.3 126.2 741.0 0.565 3.00000
frodo Linux 2.5.67 64.4 89.2 255.6 126.3 734.0 0.616 3.00000
frodo Linux 2.4.19 58.3 87.0 238.1 119.2 413.0 0.746 2.00000
frodo Linux 2.4.19 58.3 86.9 238.2 119.3 418.0 0.741 2.00000
frodo Linux 2.4.19 58.3 87.0 301.9 120.0 439.0 0.741 2.00000*Local* Communication bandwidths in MB/s - bigger is better
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Host OS Pipe AF TCP File Mmap Bcopy Bcopy Mem Mem
UNIX reread reread (libc) (hand) read write
--------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- -----
frodo Linux 2.5.67 486. 545. 54.1 185.4 202.5 143.5 100.4 202. 185.5 frodo Linux 2.5.67 536. 629. 57.7 184.8 202.5 143.7 100.4 202. 185.5 frodo Linux 2.5.67 505. 528. 56.1 184.8 202.4 145.7 100.4 202. 188.3 frodo Linux 2.4.19 774. 329. 180. 186.6 203.7 146.0 101.6 203. 187.2 frodo Linux 2.4.19 787. 399. 198. 187.2 203.7 145.9 101.6 203. 187.4 frodo Linux 2.4.19 797. 647. 211. 187.1 203.7 148.3 101.6 203. 189.8
Memory latencies in nanoseconds - smaller is better
(WARNING - may not be correct, check graphs)
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Host OS Mhz L1 $ L2 $ Main mem Guesses --------- ------------- ---- ----- ------ -------- ------- frodo Linux 2.5.67 789 3.797 8.9030 160.1 frodo Linux 2.5.67 789 3.798 8.8770 160.1 frodo Linux 2.5.67 789 3.805 8.8770 160.1 frodo Linux 2.4.19 789 3.767 8.7990 158.9 frodo Linux 2.4.19 789 3.767 8.7900 158.9 frodo Linux 2.4.19 789 3.767 8.7910 158.9
make[1]: Leaving directory `/usr/src/LMbench/results'
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