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GigaBit Ethernet to the Desktop - Client1 Configuration
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L M B E N C H 2 . 0 S U M M A R Y ------------------------------------ Basic system parameters ---------------------------------------------------- Host OS Description Mhz --------- ------------- ----------------------- ---- Client1 Linux 2.4.18- i686-pc-linux-gnu 2530 Processor, Processes - times in microseconds - smaller is better ---------------------------------------------------------------- Host OS Mhz null null open selct sig sig fork exec sh call I/O stat clos TCP inst hndl proc proc proc --------- ------------- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- Client1 Linux 2.4.18- 2530 0.63 0.71 1.94 2.68 6.008 0.96 2.58 99.6 322. 2021 Context switching - times in microseconds - smaller is better ------------------------------------------------------------- Host OS 2p/0K 2p/16K 2p/64K 8p/16K 8p/64K 16p/16K 16p/64K ctxsw ctxsw ctxsw ctxsw ctxsw ctxsw ctxsw --------- ------------- ----- ------ ------ ------ ------ ------- ------- Client1 Linux 2.4.18- 0.805 1.6750 4.0475 1.8850 21.6 3.92750 29.7 *Local* Communication latencies in microseconds - smaller is better ------------------------------------------------------------------- Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP ctxsw UNIX UDP TCP conn --------- ------------- ----- ----- ---- ----- ----- ----- ----- ---- Client1 Linux 2.4.18- 0.805 4.985 6.78 9.220 17.2 10.5 21.5 30.6 File & VM system latencies in microseconds - smaller is better -------------------------------------------------------------- Host OS 0K File 10K File Mmap Prot Page Create Delete Create Delete Latency Fault Fault --------- ------------- ------ ------ ------ ------ ------- ----- ----- Client1 Linux 2.4.18- 28.9 5.8465 56.7 12.8 298.3 1.150 2.00000 *Local* Communication bandwidths in MB/s - bigger is better ----------------------------------------------------------- Host OS Pipe AF TCP File Mmap Bcopy Bcopy Mem Mem UNIX reread reread (libc) (hand) read write --------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- ----- Client1 Linux 2.4.18- 1579 2374 748. 1909.0 2045.6 990.0 985.6 2045 1410. Memory latencies in nanoseconds - smaller is better (WARNING - may not be correct, check graphs) --------------------------------------------------- Host OS Mhz L1 $ L2 $ Main mem Guesses --------- ------------- ---- ----- ------ -------- ------- Client1 Linux 2.4.18- 2530 0.788 7.2340 116.9
All results are in MB/S to the disk partition.
I/O size Read speed Write speed 512 49.19 11.20 1024 49.15 12.17 2048 49.18 12.00 4096 49.19 51.57 8192 49.19 51.61 16384 49.19 51.37 32768 49.18 51.39 65536 49.18 51.44 131072 49.18 51.51 262144 49.18 51.63 524288 49.19 51.63 1048576 49.19 51.66 2097152 49.18 51.31
# ./stream_gcc # Function Rate (MB/s) RMS time Min time Max time Copy: 2050.5031 0.0078 0.0078 0.0080 Scale: 2061.8429 0.0078 0.0078 0.0078 Add: 2331.0052 0.0103 0.0103 0.0103 Triad: 2315.6958 0.0104 0.0104 0.0104
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