![]() |
|
![]() |
![]() |
GigaBit Ethernet to the Desktop - Server1 Configuration
|
L M B E N C H 2 . 0 S U M M A R Y ------------------------------------ Basic system parameters ---------------------------------------------------- Host OS Description Mhz --------- ------------- ----------------------- ---- Server1 Linux 2.4.18- i686-pc-linux-gnu 2400 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 --------- ------------- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- Server1 Linux 2.4.18- 2400 0.53 0.81 3.67 5.05 25.5 0.84 2.81 159. 457. 2688 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 --------- ------------- ----- ------ ------ ------ ------ ------- ------- Server1 Linux 2.4.18- 1.330 2.4200 4.9300 2.8800 16.9 5.91500 37.3 *Local* Communication latencies in microseconds - smaller is better ------------------------------------------------------------------- Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP ctxsw UNIX UDP TCP conn --------- ------------- ----- ----- ---- ----- ----- ----- ----- ---- Server1 Linux 2.4.18- 1.330 12.1 19.5 24.3 28.3 27.6 38.5 52.6 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 --------- ------------- ------ ------ ------ ------ ------- ----- ----- Server1 Linux 2.4.18- 42.3 24.2 123.3 44.2 451.8 1.318 3.00000 *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 --------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- ----- Server1 Linux 2.4.18- 925. 1334 531. 1327.9 1583.4 484.1 498.5 1583 671.1 Memory latencies in nanoseconds - smaller is better (WARNING - may not be correct, check graphs) --------------------------------------------------- Host OS MHz L1 $ L2 $ Main mem Guesses --------- ------------- ---- ----- ------ -------- ------- Server1 Linux 2.4.18- 2400 0.835 7.7085 150.1
All results are in MB/S to the disk partition.
1 Drive 2 Drives
8KB Segments 2 Drives
16KB Segments 2 Drives
32KB Segments 2 Drives
64KB Segments I/O size Read Write Read Write Read Write Read Write Read Write 512 48.89 13.56 97.22 8.43 96.72 8.50 96.10 8.40 97.08 8.52 1024 48.85 13.77 96.76 83.64 97.05 83.98 96.04 88.86 97.45 84.12 2048 48.72 13.70 97.16 88.70 96.90 88.84 97.01 89.11 96.89 88.75 4096 48.96 49.17 96.47 88.60 96.78 88.62 97.25 88.95 97.68 88.95 8192 48.62 48.09 96.32 88.70 97.22 88.89 96.93 88.96 97.76 89.15 16384 48.66 49.24 97.05 88.80 96.84 88.75 97.18 89.11 97.57 88.98 32768 48.60 48.41 96.90 88.85 96.96 88.85 96.81 89.51 97.76 89.18 65536 48.65 48.56 96.39 88.68 96.12 88.67 97.17 89.09 97.23 89.07 131072 48.70 48.23 97.07 88.86 96.81 88.83 97.29 89.61 96.62 89.17 262144 48.83 48.90 97.31 88.97 96.32 88.81 97.12 89.00 97.94 89.30 524288 48.79 48.24 97.08 88.78 97.15 88.68 97.51 89.14 97.72 89.20 1048576 49.01 48.94 97.21 89.02 96.61 88.69 96.99 89.44 97.89 89.36 2097152 48.88 49.47 96.98 89.28 96.88 89.13 96.28 89.20 97.84 89.28
# ./stream_gcc # Function Rate (MB/s) RMS time Min time Max time
Copy: 1157.9078 0.0139 0.0138 0.0141
Scale: 1138.7895 0.0141 0.0141 0.0141
Add: 1407.4550 0.0171 0.0171 0.0171
Triad: 1406.2262 0.0171 0.0171 0.0171
If you have any comments or suggestions, please E-mail webmaster@accs.com