On Sat, Dec 29, 2001 at 11:37:04PM +0000, Russell King - ARM Linux wrote:
> On Sat, Dec 29, 2001 at 02:24:04PM +0000, Nicholas Clark wrote:
> > Are both the a.out and ELF binaries your compiled against shared libc?
>
> Yep.
>
> > If so, does recompiling them with static linking change the performance
> > ratio?
>
> Recompiling them as static ELF reveals:
Try this set instead; sorry I goofed 8/
So yes, static ELF looks a lot better for execl, but the process creation
is still down (lower than dynamic ELF results which is puzzling).
BYTE UNIX Benchmarks (Version 3.11)
System -- flint
Start Benchmark Run: Sat Dec 29 23:46:54 GMT 2001
9 interactive users.
Arithmetic Test (type = double) 445.1 lps (10 secs, 6 samples)
Dhrystone 2 without register variables 311749.1 lps (10 secs, 6 samples)
Execl Throughput Test 378.2 lps (9 secs, 6 samples)
Pipe-based Context Switching Test 2502.6 lps (10 secs, 6 samples)
Shell scripts (1 concurrent) 385.2 lpm (24 secs, 3 samples)
Shell scripts (2 concurrent) 200.5 lpm (17 secs, 3 samples)
Shell scripts (4 concurrent) 101.6 lpm (23 secs, 3 samples)
Shell scripts (8 concurrent) 52.6 lpm (24 secs, 3 samples)
Process Creation Test 280.1 lps (10 secs, 6 samples)
INDEX VALUES
TEST BASELINE RESULT INDEX
Arithmetic Test (type = double) 2541.7 445.1 0.2
Dhrystone 2 without register variables 22366.3 311749.1 13.9
Execl Throughput Test 16.5 378.2 22.9
Pipe-based Context Switching Test 1318.5 2502.6 1.9
Shell scripts (8 concurrent) 4.0 52.6 13.2
=========
SUM of 5 items 52.1
AVERAGE 10.4
To follow up Phil's reply:
02000000-02001000 r-xp 00000000 09:07 528108 /mnt/src/byte-bench/pgms/spawn
02008000-02009000 rw-p 00000000 09:07 528108 /mnt/src/byte-bench/pgms/spawn
40000000-40016000 r-xp 00000000 09:01 320 /lib/ld-2.2.2.so
4001d000-4001e000 rw-p 00015000 09:01 320 /lib/ld-2.2.2.so
4001e000-4001f000 rwxp 00000000 00:00 0
40028000-40133000 r-xp 00000000 09:01 361 /lib/libc-2.2.2.so
40133000-40138000 ---p 0010b000 09:01 361 /lib/libc-2.2.2.so
40138000-40141000 rw-p 00108000 09:01 361 /lib/libc-2.2.2.so
40141000-40144000 rw-p 00000000 00:00 0
bfffe000-c0000000 rwxp fffff000 00:00 0
00008000-00010000 r-xp 00000000 00:0d 528109 /mnt/src/byte-bench/pgms/spawn
00010000-00018000 rwxp 00008000 00:0d 528109 /mnt/src/byte-bench/pgms/spawn
00bf8000-00c9f000 rwxp 00000000 03:03 3630 /lib/libc.so.4.6.27
00c9f000-00ccc000 rwxp 00000000 00:00 0
01799000-017a0000 rwxp 00019000 03:03 3694 /lib/ld.so.1.7.14
03fff000-04000000 rwxp 00000000 00:00 0
_______________________________________________
http://lists.arm.linux.org.uk/mailman/listinfo/linux-arm
Please visit the above address for information on this list.
