L M B E N C H 1 . 1 S U M M A R Y
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Processor, Processes - times in microseconds - smaller is better
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Host OS Mhz Null sig sig fork exec sh
call inst hndl Proc Proc Proc
--------- ------------- ---- ---- ---- ---- ---- ---- ----
6000-990 AIX 3.x 71 -1 -1 16 1.2K 8K 16K
powerpc AIX 4.x 134 -1 -1 12 2.9K 8K 50K
K210 HP-UX B.10.01 119 10 27 10 3.1K 11K 20K
R10K IRIX64 6.2-no 200 4 15 9 1.8K 8K 13K
P5-133 FreeBSD 2.2-C 132 4 13 6 2.0K 11K 19K
P6 Linux 1.3.37 200 4 7 3 0.4K 5K 14K
Alpha Linux 1.3.57 136 3 22 2 0.7K 1K 11K
8400 OSF1 V3.2 303 6 25 9 2.0K 6K 16K
alpha OSF1 V3.0 147 9 45 11 4.6K 13K 39K
ultraspar SunOS 5.5 167 6 59 5 3.7K 20K 37K
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
--------- ------------- ----- ------ ------ ------ ------ ------- -------
6000-990 AIX 3.x 13 15 17 32 65 31 68
powerpc AIX 4.x 16 78 119 90 311 131 468
K210 HP-UX B.10.01 17 15 31 42 257 78 290
R10K IRIX64 6.2-no 21 24 25 32 48 72 223
P5-133 FreeBSD 2.2-C 27 31 55 53 256 64 350
P6 Linux 1.3.37 6 12 32 14 325 50 327
Alpha Linux 1.3.57 10 39 137 45 187 47 270
8400 OSF1 V3.2 14 19 18 28 64 44 92
alpha OSF1 V3.0 53 61 96 70 260 112 463
ultraspar SunOS 5.5 14 51 30 90 185 96 204
*Local* Communication latencies in microseconds - smaller is better
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Host OS 2p/0K Pipe UDP RPC/ TCP RPC/ TCP
ctxsw UDP TCP conn
--------- ------------- ----- ----- ----- ----- ----- ----- ----
6000-990 AIX 3.x 13 91 254 531 332 649 339
powerpc AIX 4.x 16 65 206 536 299 698 0
K210 HP-UX B.10.01 17 78 152 543 146 606 238
R10K IRIX64 6.2-no 21 74 362 829 197 390 951
P5-133 FreeBSD 2.2-C 27 104 212 375 256 440 418
P6 Linux 1.3.37 6 26 93 180 216 346 263
Alpha Linux 1.3.57 10 32 179 320 390 567 0
8400 OSF1 V3.2 14 71 259 358 267 371 0
alpha OSF1 V3.0 53 179 489 834 485 788 0
ultraspar SunOS 5.5 14 62 197 267 162 346 852
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
--------- ------------- ------ ------ ------ ------ ------- ----- -----
6000-990 AIX 3.x 1333 1282 1282 1298 82 -1 5.4K
powerpc AIX 4.x 1265 1265 1265 1315 82 -1 5.9K
K210 HP-UX B.10.01 57 6 246 8 72 -1 0.0K
R10K IRIX64 6.2-no 374 389 353 387 55 -1 21.5K
P5-133 FreeBSD 2.2-C 2857 1123 4000 3225 133 -1 0.0K
P6 Linux 1.3.37 75 4 213 35 36 -1 0.0K
Alpha Linux 1.3.57 79 11 268 24 20 -1 0.0K
8400 OSF1 V3.2 425 418 990 628 199 -1 0.0K
alpha OSF1 V3.0 3846 1234 3846 4347 228 -1 27.3K
ultraspar SunOS 5.5 1818 833 2564 1851 212 -1 2.7K
*Local* Communication bandwidths in MB/s - bigger is better
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Host OS Pipe TCP File Mmap Bcopy Bcopy Mem Mem
reread reread (libc) (hand) read write
--------- ------------- ---- ---- ------ ------ ------ ------ ---- -----
6000-990 AIX 3.x 84 10 187 106 171 242 205 364
powerpc AIX 4.x 30 17 40 51 21 21 63 26
K210 HP-UX B.10.01 93 34 88 52 57 78 117 126
R10K IRIX64 6.2-no 85 53 75 92 44 59 101 84
P5-133 FreeBSD 2.2-C 23 13 30 53 42 39 73 83
P6 Linux 1.3.37 89 18 40 36 56 42 208 56
Alpha Linux 1.3.57 68 8 61 63 40 40 73 71
8400 OSF1 V3.2 46 11 67 78 80 85 120 123
alpha OSF1 V3.0 35 9 40 50 45 46 79 91
ultraspar SunOS 5.5 61 51 85 101 167 85 129 152
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
--------- ------------- --- ---- ---- -------- -------
6000-990 AIX 3.x 70 13 13 141 No L1 cache?
powerpc AIX 4.x 133 6 164 394
K210 HP-UX B.10.01 119 8 8 349 No L1 cache?
R10K IRIX64 6.2-no 200 5 55 1115
P5-133 FreeBSD 2.2-C 132 7 81 182
P6 Linux 1.3.37 200 10 53 179
Alpha Linux 1.3.57 136 3 83 357
8400 OSF1 V3.2 302 3 42 396
alpha OSF1 V3.0 147 12 67 291
ultraspar SunOS 5.5 166 6 42 270