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Siddha, Suresh B 1e9f28fa1e [PATCH] sched: new sched domain for representing multi-core 
Add a new sched domain for representing multi-core with shared caches
between cores.  Consider a dual package system, each package containing two
cores and with last level cache shared between cores with in a package.  If
there are two runnable processes, with this appended patch those two
processes will be scheduled on different packages.

On such systems, with this patch we have observed 8% perf improvement with
specJBB(2 warehouse) benchmark and 35% improvement with CFP2000 rate(with 2
users).

This new domain will come into play only on multi-core systems with shared
caches.  On other systems, this sched domain will be removed by domain
degeneration code.  This new domain can be also used for implementing power
savings policy (see OLS 2005 CMP kernel scheduler paper for more details..
I will post another patch for power savings policy soon)

Most of the arch/* file changes are for cpu_coregroup_map() implementation.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27 08:44:43 -08:00
..
acpi [PATCH] s/;;/;/g 2006-03-24 07:33:24 -08:00
asm-alpha [PATCH] bitops: alpha: use generic bitops 2006-03-26 08:57:11 -08:00
asm-arm [PATCH] bitops: arm: use generic bitops 2006-03-26 08:57:12 -08:00
asm-arm26 [PATCH] bitops: arm26: use generic bitops 2006-03-26 08:57:12 -08:00
asm-cris [PATCH] bitops: cris: use generic bitops 2006-03-26 08:57:12 -08:00
asm-frv [PATCH] bitops: frv: use generic bitops 2006-03-26 08:57:12 -08:00
asm-generic [PATCH] bitops: update include/asm-generic/bitops.h 2006-03-26 08:57:15 -08:00
asm-h8300 [PATCH] bitops: h8300: use generic bitops 2006-03-26 08:57:12 -08:00
asm-i386 [PATCH] sched: new sched domain for representing multi-core 2006-03-27 08:44:43 -08:00
asm-ia64 [PATCH] bitops: ia64: use generic bitops 2006-03-26 08:57:12 -08:00
asm-m32r [PATCH] bitops: m32r: use generic bitops 2006-03-26 08:57:12 -08:00
asm-m68k [PATCH] m68k: fix undefined reference to generic_find_next_zero_le_bit 2006-03-26 08:57:13 -08:00
asm-m68knommu [PATCH] bitops: m68knommu: use generic bitops 2006-03-26 08:57:13 -08:00
asm-mips [PATCH] bitops: mips: use generic bitops 2006-03-26 08:57:13 -08:00
asm-parisc [PATCH] bitops: parisc: use generic bitops 2006-03-26 08:57:14 -08:00
asm-powerpc [PATCH] bitops: powerpc: use generic bitops 2006-03-26 08:57:14 -08:00
asm-ppc powerpc: Implement accurate task and CPU time accounting 2006-02-24 14:05:56 +11:00
asm-s390 [PATCH] bitops: s390: use generic bitops 2006-03-26 08:57:14 -08:00
asm-sh [PATCH] bitops: sh: make thread_info.flags an unsigned long 2006-03-26 08:57:15 -08:00
asm-sh64 [PATCH] bitops: sh64: use generic bitops 2006-03-26 08:57:14 -08:00
asm-sparc [PATCH] bitops: sparc: use generic bitops 2006-03-26 08:57:14 -08:00
asm-sparc64 [PATCH] bitops: sparc64: use generic bitops 2006-03-26 08:57:14 -08:00
asm-um [PATCH] uml: fix build warnings in __get_user 2006-03-27 08:44:37 -08:00
asm-v850 [PATCH] bitops: v850: use generic bitops 2006-03-26 08:57:14 -08:00
asm-x86_64 [PATCH] sched: new sched domain for representing multi-core 2006-03-27 08:44:43 -08:00
asm-xtensa [PATCH] bitops: xtensa: use generic bitops 2006-03-26 08:57:15 -08:00
keys [PATCH] Keys: Remove key duplication 2006-01-06 08:33:29 -08:00
linux [PATCH] sched: new sched domain for representing multi-core 2006-03-27 08:44:43 -08:00
math-emu
media V4L/DVB (3599): Implement new routing commands for wm8775 and cs53l32a. 2006-03-24 16:27:00 -03:00
mtd
net [IPV4]: Aggregate route entries with different TOS values 2006-03-25 01:38:55 -08:00
pcmcia [PATCH] pcmcia: Add macro to match PCMCIA cards by numeric ID and first vendor string 2006-03-01 11:11:26 +01:00
rdma IB/umad: Add support for large RMPP transfers 2006-03-20 10:08:23 -08:00
rxrpc
scsi [PATCH] Make libata not powerdown drivers on PM_EVENT_FREEZE. 2006-03-24 09:51:36 -05:00
sound [PATCH] sound: remove PC98-specific OPL3_HW_OPL3_PC98 2006-03-24 07:33:26 -08:00
video [PATCH] Remove MODULE_PARM 2006-03-25 08:22:52 -08:00