V-3.0 Single Priority Array O(1) CPU Scheduler Evaluation

Version 3 of the various single priority array scheduler patches for 
2.6.7, 2.6.8-rc2 and 2.6.8-rc2-mm1 kernels are now available for 
download and evaluation:

1. Standard O(1) scheduler with active/expired arrays replaced by a 
single array and an O(1) promotion mechanism plus scheduling statistics:

2.6.7 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.7-sp[...]>
2.6.8-rc2 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.8-rc[...]>
2.6.8-rc2-mm1 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.8-rc[...]>

2. Basic O(1) scheduler with active/expired arrays replaced by a single 
array and an O(1) promotion mechanism plus scheduling statistics with 
all interactive bonus etc. removed:

2.6.7 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.7-sp[...]>
2.6.8-rc2 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.8-rc[...]>
2.6.8-rc2-mm1 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.8-rc[...]>

3. Priority based O(1) scheduler with active/expired arrays replaced by 
a single array and an O(1) promotion mechanism plus scheduling 
statistics with new interactive bonus mechanism and throughput bonus 
mechanism:

2.6.7 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.7-sp[...]>
2.6.8-rc2 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.8-rc[...]>
2.6.8-rc2-mm1 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.8-rc[...]>

4. Runtime selectable choice between a priority based or entitlement 
based O(1) scheduler with active/expired arrays replaced by a single 
array and an O(1) promotion mechanism plus scheduling statistics with 
new interactive bonus mechanism and throughput bonus mechanism:

2.6.7 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.7-sp[...]>
2.6.8-rc2 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.8-rc[...]>
2.6.8-rc2-mm1 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.8-rc[...]>

5. Slightly modified version of Con Kolivas's staircase O(1) scheduler 
with active/expired arrays replaced by a single array and an O(1) 
promotion mechanism:

2.6.7 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.7-sp[...]>
2.6.8-rc2 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.8-rc[...]>
2.6.8-rc2-mm1 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.8-rc[...]>

6. Runtime selection between staircase, priority based and entitlement 
based O(1) schedulers:

2.6.7 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.7-sp[...]>
2.6.8-rc2 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.8-rc[...]>
2.6.8-rc2-mm1 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.8-rc[...]>

7. Standard O(1) scheduler with scheduling statistics added:

2.6.7 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.7-st[...]>
2.6.8-rc2 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.8-rc[...]>
2.6.8-rc2-mm1 
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.8-rc[...]>

Peter
-- 
Peter Williams                                   pwil3058@bigpond.net.au

"Learning, n. The kind of ignorance distinguishing the studious."
  -- Ambrose Bierce

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