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SubjectRe: pgcl-2.5.64-[345]
On Mon, Mar 10, 2003 at 09:15:11PM -0800, William Lee Irwin III wrote:
> pgcl-2.5.64-3:
[..]
> pgcl-2.5.64-4:
[..]
> pgcl-2.5.64-5:
[..]

From a 32x/48GB NUMA-Q running pgcl:

AIM7 multitasking w/10000 tasks:
--------------------------------

slabinfo:
---------
pae_pmd 136400K 137728K 99.04%
size-8192 96192K 96672K 99.50%
pte_chain 29127K 29741K 97.94%
task_struct 18525K 18650K 99.33%
proc_inode_cache 15378K 15655K 98.23%
sighand_cache 15423K 15559K 99.13%
dentry_cache 12253K 12313K 99.52%
names_cache 5400K 11552K 46.75%
vm_area_struct 10655K 10732K 99.29%
buffer_head 8084K 8629K 93.67%
files_cache 5502K 5544K 99.24%
mm_struct 5158K 5192K 99.34%
size-1024 2563K 2666K 96.14%
ext2_inode_cache 2236K 2386K 93.70%
size-32768 2176K 2208K 98.55%
filp 1263K 1461K 86.43%
size-2048 1110K 1320K 84.09%
size-4096 700K 992K 70.56%
signal_cache 877K 901K 97.34%
fs_cache 861K 871K 98.80%
biovec-BIO_MAX_PAGES 768K 780K 98.46%
radix_tree_node 687K 749K 91.77%
size-64 673K 721K 93.41%


meminfo:
--------
MemTotal: 49205952 kB
MemFree: 40632224 kB
Buffers: 97024 kB
Cached: 538144 kB
SwapCached: 0 kB
Active: 6395360 kB
Inactive: 528576 kB
HighTotal: 48429056 kB
HighFree: 40409152 kB
LowTotal: 776896 kB
LowFree: 223072 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 141312 kB
Writeback: 26016 kB
Mapped: 6304768 kB
Slab: 399840 kB
Committed_AS: 6537460 kB
PageTables: 1071296 kB
ReverseMaps: 2883351
HugePages_Total: 0
HugePages_Free: 0
Hugepagesize: 2048 kB


64 simultaneous kernel compiles (-j4) on ramfs (not hardlinked):
----------------------------------------------------------------

slabtop:
--------
inode_cache 357972K 358029K 99.98%
dentry_cache 165646K 168839K 98.11%
radix_tree_node 18421K 18644K 98.80%
buffer_head 1512K 12752K 11.86%
size-8192 11352K 12000K 94.60%
pae_pmd 7644K 7968K 95.93%
pte_chain 993K 4516K 22.00%
names_cache 3220K 3552K 90.65%
proc_inode_cache 1982K 2362K 83.92%
task_struct 2038K 2327K 87.57%
filp 2110K 2300K 91.71%
mm_struct 1014K 2158K 47.02%
size-1024 1928K 2077K 92.83%
sighand_cache 1556K 1660K 93.75%
vm_area_struct 479K 1593K 30.06%
ext2_inode_cache 1302K 1350K 96.46%
size-2048 934K 1290K 72.40%
files_cache 1013K 1071K 94.61%
size-256 781K 781K 100.00%
biovec-BIO_MAX_PAGES 768K 780K 98.46%
size-64 310K 721K 43.10%
sigqueue 572K 587K 97.46%
size-512 502K 535K 93.84%

meminfo:
--------
MemTotal: 49205952 kB
MemFree: 14493312 kB
Buffers: 83936 kB
Cached: 33435808 kB
SwapCached: 0 kB
Active: 765408 kB
Inactive: 33147104 kB
HighTotal: 48429056 kB
HighFree: 14459264 kB
LowTotal: 776896 kB
LowFree: 34048 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 160 kB
Writeback: 0 kB
Mapped: 414688 kB
Slab: 627424 kB
Committed_AS: 114544 kB
PageTables: 26016 kB
ReverseMaps: 71447
HugePages_Total: 0
HugePages_Free: 0
Hugepagesize: 2048 kB

Now to clean things up so tinyboxen run smooth and tweak performance.
The antifragmentation bits are a wee bit of work, but no worries; this
part can be brought over largely directly from hugh's 2.4.x bits. The
real 2.5-specific challenges (highpte, rmap) are in different areas.


-- wli
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