Re: [ck] Re: 2.6.20-ck1

[Ash Milsted <thatistosayiseenem@gawab.com>]

On Sun, 18 Feb 2007 13:38:59 +1100
Con Kolivas <kernel@kolivas.org> wrote:

> mdew . writes:
> 
> > On 2/16/07, Con Kolivas <kernel@kolivas.org> wrote:
> >> This patchset is designed to improve system responsiveness and interactivity.
> >> It is configurable to any workload but the default -ck patch is aimed at the
> >> desktop and -cks is available with more emphasis on serverspace.
> >>
> >> Apply to 2.6.20
> > 
> > any benchmarks for 2.6.20-ck vs 2.6.20?
> 
> Would some -ck user on the mailing list like to perform a set of interbench 
> benchmarks? They're pretty straight forward to do; see:
> 
> http://interbench.kolivas.org
> 
> --
> -ck
> 
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Hi, here's interbench as run on my Athlon XP 3200+, 512mb
RAM in single user mode (hardly any user processes). FS is ext3.

This is the vanilla kernel
----------------------------
Using 1093458 loops per ms, running every load for 30 seconds
Benchmarking kernel 2.6.20-beyondash at datestamp 200702181716

--- Benchmarking simulated cpu of Audio in the presence of simulated ---
Load	Latency +/- SD (ms)  Max Latency   % Desired CPU  % Deadlines Met
None	  0.002 +/- 0.00251    0.004		 100	        100
Video	  0.002 +/- 0.00268    0.005		 100	        100
X	   1.42 +/- 3.17          10		 100	        100
Burn	  0.002 +/- 0.00269    0.005		 100	        100
Write	  0.021 +/- 0.203       4.84		 100	        100
Read	  0.012 +/- 0.0148     0.073		 100	        100
Compile	  0.009 +/- 0.0119     0.119		 100	        100
Memload	  0.015 +/- 0.0343     0.494		 100	        100

--- Benchmarking simulated cpu of Video in the presence of simulated ---
Load	Latency +/- SD (ms)  Max Latency   % Desired CPU  % Deadlines Met
None	  0.002 +/- 0.00261    0.024		 100	        100
X	   2.94 +/- 8.24        66.7		99.2	         87
Burn	  0.002 +/- 0.00267     0.01		 100	        100
Write	  0.051 +/- 0.948       29.5		 100	       99.9
Read	  0.007 +/- 0.009      0.068		 100	        100
Compile	  0.007 +/- 0.0162     0.247		 100	        100
Memload	  0.011 +/- 0.0283     0.637		 100	        100

--- Benchmarking simulated cpu of X in the presence of simulated ---
Load	Latency +/- SD (ms)  Max Latency   % Desired CPU  % Deadlines Met
None	    9.7 +/- 19.1          51		45.1	       34.9
Video	   11.4 +/- 24.1          68		37.5	       29.8
Burn	  0.033 +/- 0.258          2		98.7	       97.7
Write	   3.61 +/- 12.5          57		56.9	       53.6
Read	   0.04 +/- 0.316          3		98.4	       97.4
Compile	    1.3 +/- 7.38          56		74.1	       71.4
Memload	   4.29 +/- 12            54		84.2	       75.1

--- Benchmarking simulated cpu of Gaming in the presence of simulated ---
Load	Latency +/- SD (ms)  Max Latency   % Desired CPU
None	  0.202 +/- 2.95        49.9		99.8
Video	   66.2 +/- 66.5        73.2		60.2
X	    336 +/- 623         3001		22.9
Burn	    349 +/- 376          401		22.3
Write	   33.2 +/- 73.3         566		75.1
Read	   6.68 +/- 7.97        53.3		93.7
Compile	    401 +/- 426          906		  20
Memload	   30.6 +/- 44.6         131		76.6


And this is with ck1-pre1
----------------------------
Using 1093458 loops per ms, running every load for 30 seconds
Benchmarking kernel 2.6.20-beyondash at datestamp 200702181739

--- Benchmarking simulated cpu of Audio in the presence of simulated ---
Load	Latency +/- SD (ms)  Max Latency   % Desired CPU  % Deadlines Met
None	  0.002 +/- 0.00243    0.004		 100	        100
Video	  0.002 +/- 0.00268    0.004		 100	        100
X	  0.227 +/- 1.06           7		 100	        100
Burn	  0.002 +/- 0.00271    0.005		 100	        100
Write	   0.02 +/- 0.0995      1.48		 100	        100
Read	  0.011 +/- 0.0131      0.07		 100	        100
Compile	   0.01 +/- 0.0252     0.411		 100	        100
Memload	  0.021 +/- 0.0989      1.61		 100	        100

--- Benchmarking simulated cpu of Video in the presence of simulated ---
Load	Latency +/- SD (ms)  Max Latency   % Desired CPU  % Deadlines Met
None	  0.002 +/- 0.00303    0.062		 100	        100
X	  0.395 +/- 2.2         33.7		99.9	       99.1
Burn	  0.002 +/- 0.00275    0.004		 100	        100
Write	  0.018 +/- 0.109          3		 100	        100
Read	  0.007 +/- 0.00927    0.139		 100	        100
Compile	  0.007 +/- 0.0372       1.1		 100	        100
Memload	  0.015 +/- 0.0773      1.63		 100	        100

--- Benchmarking simulated cpu of X in the presence of simulated ---
Load	Latency +/- SD (ms)  Max Latency   % Desired CPU  % Deadlines Met
None	  0.006 +/- 0.0817         1		 100	       99.3
Video	   14.3 +/- 26.8          68		35.7	       26.2
Burn	  0.166 +/- 1.66          21		98.7	         97
Write	  0.766 +/- 4.36          35		94.3	       91.3
Read	  0.106 +/- 1.25          21		98.7	       97.3
Compile	  0.776 +/- 4.35          48		92.6	       89.2
Memload	    1.5 +/- 6.83          44		96.4	       91.7

--- Benchmarking simulated cpu of Gaming in the presence of simulated ---
Load	Latency +/- SD (ms)  Max Latency   % Desired CPU
None	  0.166 +/- 2.88        49.9		99.8
Video	   66.2 +/- 66.6          80		60.2
X	    101 +/- 202         1221		49.8
Burn	    385 +/- 466          561		20.6
Write	   30.6 +/- 54.1         175		76.6
Read	    6.6 +/- 7.35        15.7		93.8
Compile	    419 +/- 510          750		19.3
Memload	   16.7 +/- 27.7         180		85.7

Both kernels were compiled with the same config, which is attached.
Voluntary preemption is enabled. Here's lspci

00:00.0 Host bridge: VIA Technologies, Inc. VT8377 [KT400/KT600 AGP] Host Bridge (rev 80)
00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI Bridge
00:0a.0 Network controller: RaLink RT2500 802.11g Cardbus/mini-PCI (rev 01)
00:0b.0 Multimedia audio controller: Creative Labs SB Audigy (rev 04)
00:0b.1 Input device controller: Creative Labs SB Audigy Game Port (rev 04)
00:0b.2 FireWire (IEEE 1394): Creative Labs SB Audigy FireWire Port (rev 04)
00:0f.0 RAID bus controller: VIA Technologies, Inc. VIA VT6420 SATA RAID Controller (rev 80)
00:0f.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86)
00:11.0 ISA bridge: VIA Technologies, Inc. VT8237 ISA bridge [KT600/K8T800/K8T890 South]
00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 78)
01:00.0 VGA compatible controller: nVidia Corporation NV11 [GeForce2 MX/MX 400] (rev a1)
(nvidia module was not loaded during the benchmark runs)

Hope that's helpful,

Ash

Attachment: config
Description: Binary data