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(fwd) Benchmarks - revs 1.3.50 & 51
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From: [email protected] (Carlo Emilio Prelz)
Newsgroups: apana.lists.os.linux.kernel
Subject: Benchmarks - revs 1.3.50 & 51
Date: Thu, 28 Dec 1995 08:05:17 +0100 (MET)
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Hi. Here follow the benchmark comparisons w.r.t. revisions 50 & 51. I
decided to wait before posting rev 50 before because the file read &
write results again bounced up with it, and I spent some (very little)
time trying to see if I could have done anything to cause that. With
no results, as usual. Now I also have results for the "greased
weasel", and I decided to send out my numbers for what they're
worth. Not much has changed with the latest release...
I repeat my query: if anybody has suggestions about these huge jumps in
disk performance, please let me know. I am ALWAYS running the benchmark
test after a reboot. I login as root, start the process in background and
log out, and then generally go to sleep. The machine is NOT online, and
is not doing anything important at night. I have not changed anything in
the kernel config in the latest 3 revisions. I have a plain old ISA
disk controller, and two generally fullish disks, but again, the
situation did not change notably between 1.3.49 and 1.3.50.
And, I now have to admit that I find it faster, for example, to load a
huge C file into emacs, and have it do the syntax coloring. I noticed it
this morning.
No problems in patching & compiling.
--8<----8<----8<----8<----8<----8<----8<----8<----8<----8<----8<----8<----8<--
From:
* Linux pimpinel.fluido.org 1.3.49 #77 Fri Dec 22 21:05:57 MET 1995 i486
* Fri Dec 22 21:41:03 MET 1995
To:
* Linux pimpinel.fluido.org 1.3.50 #78 Mon Dec 25 11:18:00 MET 1995 i486
* Mon Dec 25 12:11:11 MET 1995
*******
Results
*******
File Write (30 seconds) || 1000.0 -> 9460.0 +846.00%
File Write (10 seconds) || 1200.0 -> 8070.0 +572.50%
File Copy (30 seconds) || 968.0 -> 2636.0 +172.31%
File Copy (10 seconds) || 1024.0 -> 2645.0 +158.30%
Execl Throughput Test || 67.9 -> 85.3 +25.63%
C Compiler Test || 48.7 -> 51.9 +6.57%
Pipe-based Context Switching Test || 9863.0 -> 10493.0 +6.39%
Process Creation Test || 347.7 -> 368.9 +6.10%
Shell scripts (1 concurrent) || 96.4 -> 101.9 +5.71%
Shell scripts (4 concurrent) || 25.5 -> 26.5 +3.92%
Shell scripts (2 concurrent) || 50.8 -> 52.6 +3.54%
System Call Overhead Test || 29945.4 -> 30523.5 +1.93%
Dhrystone 2 using register variables || 49658.9 -> 49910.8 +0.51%
Arithmetic Test (type = int) || 8365.0 -> 8377.5 +0.15%
Arithmetic Test (type = double) || 5063.6 -> 5071.1 +0.15%
Recursion Test--Tower of Hanoi || 726.1 -> 727.1 +0.14%
Arithmetic Test (type = arithoh) || 127103.2 -> 127265.6 +0.13%
Arithmetic Test (type = short) || 7508.8 -> 7515.5 +0.09%
Arithmetic Test (type = register) || 8367.3 -> 8372.8 +0.07%
Arithmetic Test (type = float) || 5066.8 -> 5069.3 +0.05%
Arithmetic Test (type = long) || 8371.8 -> 8372.1 +0.00%
Shell scripts (8 concurrent) || 13.0 -> 13.0 +0.00%
Pipe Throughput Test || 17850.0 -> 17726.9 -0.69%
Dhrystone 2 without register variables || 51001.9 -> 49772.1 -2.41%
File Read (30 seconds) || 4613.0 -> 4404.0 -4.53%
File Read (10 seconds) || 4648.0 -> 4390.0 -5.55%
Dc: sqrt(2) to 99 decimal places || 11886.7 -> 10822.2 -8.96%
--8<----8<----8<----8<----8<----8<----8<----8<----8<----8<----8<----8<----8<--
From:
* Linux pimpinel.fluido.org 1.3.50 #78 Mon Dec 25 11:18:00 MET 1995 i486
* Mon Dec 25 12:11:11 MET 1995
To:
* Linux pimpinel.fluido.org 1.3.51 #79 Wed Dec 27 19:16:06 MET 1995 i486
* Wed Dec 27 22:41:23 MET 1995
*******
Results
*******
File Read (30 seconds) || 4404.0 -> 4548.0 +3.27%
File Read (10 seconds) || 4390.0 -> 4516.0 +2.87%
Dc: sqrt(2) to 99 decimal places || 10822.2 -> 11034.2 +1.96%
Process Creation Test || 368.9 -> 375.0 +1.65%
File Copy (10 seconds) || 2645.0 -> 2683.0 +1.44%
File Copy (30 seconds) || 2636.0 -> 2669.0 +1.25%
Shell scripts (4 concurrent) || 26.5 -> 26.8 +1.13%
C Compiler Test || 51.9 -> 52.4 +0.96%
Dhrystone 2 without register variables || 49772.1 -> 49808.7 +0.07%
Arithmetic Test (type = long) || 8372.1 -> 8376.6 +0.05%
Arithmetic Test (type = register) || 8372.8 -> 8376.1 +0.04%
Arithmetic Test (type = float) || 5069.3 -> 5069.9 +0.01%
Arithmetic Test (type = short) || 7515.5 -> 7515.7 +0.00%
Shell scripts (8 concurrent) || 13.0 -> 13.0 +0.00%
Arithmetic Test (type = double) || 5071.1 -> 5067.4 -0.07%
Arithmetic Test (type = arithoh) || 127265.6 -> 127172.0 -0.07%
Dhrystone 2 using register variables || 49910.8 -> 49870.6 -0.08%
Arithmetic Test (type = int) || 8377.5 -> 8370.4 -0.08%
Recursion Test--Tower of Hanoi || 727.1 -> 724.3 -0.39%
Shell scripts (2 concurrent) || 52.6 -> 52.3 -0.57%
Shell scripts (1 concurrent) || 101.9 -> 101.2 -0.69%
File Write (30 seconds) || 9460.0 -> 9356.0 -1.10%
Pipe Throughput Test || 17726.9 -> 17227.1 -2.82%
Pipe-based Context Switching Test || 10493.0 -> 10194.8 -2.84%
System Call Overhead Test || 30523.5 -> 29476.8 -3.43%
Execl Throughput Test || 85.3 -> 81.5 -4.45%
File Write (10 seconds) || 8070.0 -> 7680.0 -4.83%
--8<----8<----8<----8<----8<----8<----8<----8<----8<----8<----8<----8<----8<--
From:
* Linux pimpinel.fluido.org 1.2.10 #59 Tue Jun 13 09:46:17 MET DST 1995 i486
* Tue Jun 27 10:18:13 MET DST 1995
To:
* Linux pimpinel.fluido.org 1.3.51 #79 Wed Dec 27 19:16:06 MET 1995 i486
* Wed Dec 27 22:41:23 MET 1995
*******
Results
*******
Process Creation Test || 119.9 -> 375.0 +212.76%
Pipe-based Context Switching Test || 3446.9 -> 10194.8 +195.77%
Dc: sqrt(2) to 99 decimal places || 5906.2 -> 11034.2 +86.82%
Execl Throughput Test || 51.6 -> 81.5 +57.95%
Shell scripts (8 concurrent) || 10.0 -> 13.0 +30.00%
Shell scripts (1 concurrent) || 78.3 -> 101.2 +29.25%
Shell scripts (4 concurrent) || 21.0 -> 26.8 +27.62%
Shell scripts (2 concurrent) || 41.0 -> 52.3 +27.56%
C Compiler Test || 42.2 -> 52.4 +24.17%
Dhrystone 2 without register variables || 46284.2 -> 49808.7 +7.61%
File Write (30 seconds) || 8911.0 -> 9356.0 +4.99%
Recursion Test--Tower of Hanoi || 709.2 -> 724.3 +2.13%
System Call Overhead Test || 29238.2 -> 29476.8 +0.82%
Arithmetic Test (type = float) || 5055.6 -> 5069.9 +0.28%
Arithmetic Test (type = long) || 8353.5 -> 8376.6 +0.28%
Arithmetic Test (type = register) || 8353.2 -> 8376.1 +0.27%
Arithmetic Test (type = short) || 7496.0 -> 7515.7 +0.26%
Arithmetic Test (type = double) || 5056.8 -> 5067.4 +0.21%
Arithmetic Test (type = int) || 8353.4 -> 8370.4 +0.20%
Arithmetic Test (type = arithoh) || 126914.4 -> 127172.0 +0.20%
Dhrystone 2 using register variables || 49802.4 -> 49870.6 +0.14%
File Write (10 seconds) || 8100.0 -> 7680.0 -5.19%
Pipe Throughput Test || 18512.0 -> 17227.1 -6.94%
--8<----8<----8<----8<----8<----8<----8<----8<----8<----8<----8<----8<----8<--
Enjoy!
Carlo
--
* ...Ma appena fuori tutto e' gomma,
* K * Carlo E. Prelz - [email protected] tutto e' cicca impiastricciata...
* (Marco Zappa-Niente cicca nella scuola)
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