for individuals have built or build own system(s) and/or have modified or modify prebuilt system(s) maximum cpu performance, , individuals earnestly interested in building or modifying own personal prebuilt system(s) maximum cpu performance, thread dedicated being one-stop-shop locating information helpful maximizing cpu performance. there other threads (and forums) expression of views advocate (or believe) doing neither best , there other threads (and forums) software, including os, installation [such http://www.insanelymac.com/forum/index.php?showtopic=185097 ] , tweaking [such http://www.insanelymac.com/forum/index.php?showtopic=233891&st=0 or http://www.insanelymac.com/forum/index.php?showtopic=196771 ], isn't 1 of threads. opening in mind, hope of experienced , successful @ maximizing cpu performance system build and/or modification contribute knowledge desire learn how enhance system's cpu's performance enlightened. hope of desire learn how enhance system cpu performance system build and/or modification questions answered , satisfactory.
using phrase "cpu related performance" intend thread include information regarding other modifications such as, not limited to, better cooling, faster storage, video card upgrades ocl/cuda assist, pci-e based cpu assist, , memory upgrades.
please revisit first post regularly continually compiling here resource summary building , modifying different systems. summary includes:
i. modifying intel mac pro :
1) mac pro 1,1 -
(a) cpu swap [for possible xeon 5100 cpu configurations see http://www.cpu-world.com/cpus/xeon/type-xeon 5100.html ; possible xeon 5300 cpu configurations see http://www.cpu-world.com/cpus/xeon/type-xeon 5300.html , standard/approved configurations see http://en.wikipedia.org/wiki/mac_pro ] and/or bsel/vid mod [ http://www.o0o.it/pro/ ];
(b) efi utility 2006 mp [ http://forum.netkas.org/index.php?action=dlattach;topic=1094.0;attach=888 ];
(c) zdnet utility [ http://www.zdnet.de/magazin/3919221...king-tool-enhances-performance-of-mac-pro.htm ] works best 800 mhz ram;
(d) smcfancontrol [ http://www.macupdate.com/app/mac/23049/smcfancontrol ];
(e) more powerful fans @ front , of base. caveat: may -> greater noise;
(f) combo of preceding work best;
(g) other helpful information such steps follow, perceived level of difficulty, , time complete, see following posts: ... .
2) mac pro 2,1 -
(a) same mac pro 1,1, except (depending on cpu) bsel/vid mod may not needed , efi utility 2006 mp isn't needed;
(b) other helpful information such steps follow, perceived level of difficulty, , time complete, see following posts: ... .
3) mac pro 3,1 -
(a) same mac pro 2,1, except 800 mhz ram comes stock, no bsel/vid mod needed, , cpu options differ [for possible xeon 5400 cpu configurations see http://www.cpu-world.com/cpus/xeon/type-xeon 5400.html , standard/approved configurations see http://en.wikipedia.org/wiki/mac_pro ];
(b) other helpful information such steps follow, perceived level of difficulty, , time complete, see following posts: ... .
4) mac pro 4,1 -
(a) cpu swap - long 3mm allen key needed job [for possible xeon 3500 1-cpu configurations see http://www.cpu-world.com/cpus/xeon/type-xeon 3500.html; possible xeon 5500 2-cpu configurations see http://www.cpu-world.com/cpus/xeon/type-xeon 5500.html , standard/approved configurations see http://en.wikipedia.org/wiki/mac_pro ], westmere 6-core options [for possible xeon 3600 1-cpu configurations see http://www.cpu-world.com/cpus/xeon/type-xeon 3600.html; possible xeon 5600 2-cpu configurations see http://www.cpu-world.com/cpus/xeon/type-xeon 5600.html , standard/approved configurations see http://en.wikipedia.org/wiki/mac_pro ] require efi utility 2009 mp [ http://forum.netkas.org/index.php/topic,852.0.html ]. lidless cpus impossible me find. standard covered xeons fit under heat sinks apple uses dual-processor 4,1s. swap requires 4 washers (bought mine home depot) , additional thermal padding. see, e.g., http://forums.macrumors.com/showthread.php?t=781908&page=1 .
(b) smcfancontrol [ http://www.macupdate.com/app/mac/23049/smcfancontrol ]; and/or
(c) more powerful fans. caveat: may -> greater noise;
(d) consider getting ddr3 1333 mhz memory if use westmeres via efi utility;
(e) combo of preceding work best;
(f) other helpful information such steps follow, perceived level of difficulty, , time complete, see following posts: #3 -wonderspark (bonus- pci card/storage upgrade info); ... .
5) mac pro 5,1 -
(a) same mac pro 4,1, except no efi utility needed , westmere cpus [for possible xeon 3600 1-cpu configurations see http://www.cpu-world.com/cpus/xeon/t...on 3600.html; possible xeon 5600 2-cpu configurations see http://www.cpu-world.com/cpus/xeon/t...on 5600.html , standard/approved configurations see http://en.wikipedia.org/wiki/mac_pro ] should considered. mac pro 5,1 comes ddr3 1333 mhz memory;
(b) other helpful information such steps follow, perceived level of difficulty, , time complete, see following posts: #7-jasonvp; ... .
6) mac pro 6,1
(a) cpu swap;
(b) memory swap/upgrade;
(c) storage swap/upgrade;
(d) other helpful information such steps follow, perceived level of difficulty, , time complete, see following posts: ... .
ii. building own system:
please keep in mind must willing continuously learn , yourself; pay forward newcomers.
1) single cpu system -
(a) gigabyte motherboards recommended combination of price/performance/flexibility. consider x79 sandy bridge (socket 2011) motherboard , xeon 1650 [3.2 -> 3.8 ghz] - has error correction support - $583 best price/performance if can use 6 cores or xeon 1620 [3.6 -> 3.9 ghz] - has error correction support - $294 best price/performance if need 4 cores http://en.wikipedia.org/wiki/sandy_bridge. best performance if going over- or under- clocking system, memory @ least one, , preferably two, steps higher recommended motherboard manufacturer. means, e.g., if manufacturer recommends ddr3 1333 mhz memory, ddr3 1600, or preferably ddr3 1800/1866 memory, because you'll need headroom whether overclock or underclock, unless rely solely on increasing cpu multiplier on unlocked cpu. tweaked i7 3960x [ http://browser.primatelabs.com/geekbench2/562206 ] , 3930k [ http://browser.primatelabs.com/geekbench2/590733 ] single processor systems beginning displace older 2p+ systems on pages 3 , 4 of top geekbench 2 scores, yielding geekbench 2 scores in 27,000 - 30,000 range; thus, surpassing benchmarks of top of line 2p 2010/2012 mac pros, 5690x processor swap. keeping system's v-core within spec vid, best achieve 3930k geekbench 2 score of 27605 in windows 7 [ http://browser.primatelabs.com/geekbench2/850697 ]. moreover, performance delta between 2 proc self-builds , 1 proc self-builds appears narrowing; thus, glow of 2 proc self-build systems appears fading, view of widening cost delta of 2 proc self-build systems on 1 proc self-build systems.
asrocks have gotten reviews , literature says (and of reviews have mentioned claim) has feature whereby can lock down things intel has lately tied bclk can over- , under-clock sandy bridge cpus westmere cpus (they call it: " untied overclocking technology"). here's how 1 of manuals describes it:
2.26 untied overclocking technology
motherboard supports untied overclocking technology, means during
overclocking, bclk enjoys better margin due fixed pcie buses. before you
enable untied overclocking function, please enter “overclock mode” option of uefi
setup set selection [auto] [manual]. therefore, bclk untied during
overclocking, pcie buses in fixed mode bclk can operate under
more stable overclocking environment.
before buying asrock motherboard, suggest confirm whether asrock's literature accurate. should call or email them.
(b) cases/cooling - prefer antec twelve hundred. see 2(b), below.
(c) other helpful information such steps follow, perceived level of difficulty, , time complete, see following posts: ... .
2) dual cpu system -
(a) evga sr-2 motherboards nehalem , westmere cpus still best dual cpu builds. evga srx sandy bridge e5s, been discontinued. asus has sandy bridge e5 dual cpu challengers, not recommend them - original , replacements i've had poorly manufactured , not dependable. gigabyte has 2p e5 board - gigabyte ga-7pesh1 dual socket lga2011 motherboard, briefly reviewed @ http://www.ocaholic.ch/xoops/html/modules/smartsection/item.php?itemid=714&page=0 , part of gigabyte's lineup of single , dual processor sandy bridge e5 single , dual processor motherboards: http://b2b.gigabyte.com/products/list.aspx?cg=11&p=189&v=16&ck=101 .
gigabyte introduced line of bare bone dual processor rack servers based on intel xeon sandy bridge e5 family: http://www.gigabyte.us/press-center/news-page.aspx?nid=1138. see http://download.gigabyte.us/filelist/ebrochure/gigabyte_2h12_server_catalog_b.pdf gigabytes' brochure.
2 proc sandy bridge e5 mobo shootout:
supermicro x9dai http://browser.primatelabs.com/geekbench2/599576
intel s2600co http://browser.primatelabs.com/geekbench2/658811
hp z820 workstation (often it's tyan motherboard) http://browser.primatelabs.com/geekbench2/654366
asustek z9pe ws-d8 http://browser.primatelabs.com/geekbench2/580661
best performance if going over- or under- clocking system (only option on evga sr-2), memory @ least one, , preferably two, steps higher recommended motherboard manufacturer. means, e.g., if manufacturer recommends ddr3 1333 mhz memory, @ least ddr3 1600, or preferably ddr3 1800/1866 memory, because you'll need headroom whether overclock or underclock, unless rely solely on increasing cpu multiplier on unlocked cpu;
(b) case/cooling - there mountain mod cases [ http://www.mountainmods.com/computer-cases-c-21.html ] , lian li cases [e.g., http://www.newegg.com/product/product.aspx?item=n82e16811112312 ] roomy , functional. however, since sleek styling, front grill and i'm more interested in cooling, use modified antec twelve hundreds [ http://www.newegg.com/product/produc...82e16811129100 ] because, cooling - desired styling, nothing beats these metal cases price. have 3 - 120mm front panel ("fp") fans. i've reversed flow of top 1 exhaust , swapped positioning dvd drives, little more on later. there's 120mm fan on side additional cooling gpu. there's 200mm fan on top (we know heat rises). there's grill on rear card slots exhaust pcie card heat. important me 2 120 mm fan accommodations on rear. i've set them 2 air intakes dual fan radiator cooling, i.e., ->fan->radiator->fan----->reversed fp fan->) 2 corsair 80s [ http://www.newegg.com/product/produc...82e16835181016 ] cooling 2 cpus.
(c) sr-2 recommended bios settings:
i) under frequency/voltage control overclocking change following to:
pcie frequency setting - 102-103;
ii) under voltage configuration clock tweaking change following to:
bootup , eventual vcore "auto;"
bootup vtt's 3.50 3.75, depending on stability needs;
eventual vtt's 3.75 1.4, depending on stability needs;
ioh 3.75 1.4, depending on stability needs. leave other parameters @ default, except disable vdroop.
iii) under signal tweaks change following to:
pcie signals 1 , 2 should "auto", of rest should set @ maximum negative value;
iv) under cpu configuration change following to:
max cpuid value limit should disabled; else should enabled, including not limited to, intel® speedstep(™) tech, turbomode tech, , c-state tech.
v) under memory configuration change following to:
try auto/default states until system stable.
vi) advanced settings:sata configuration:configure sata#1 [ahci]
vii) power management features:acpi configuration:general acpi configuration: suspend mode: [s3(str)]
viii) power management features:acpi configuration:chipset acpi configuration: high precision event timer: [enabled]
(d) other helpful information such steps follow, perceived level of difficulty, , time complete, see following posts: ... .
3) 4+ cpu system - intel , amd chips - supermicro (and asus) motherboards. supermicro has board 4 full length pci-e 2.0 slots , 4 g34 sockets , 16 ram slots can handle 64 gb of unbuffered memory (and 256gb registered ecc) [ http://www.supermicro.com/a_images/products/aplus/mb/h8qgl-6f_spec.jpg ]. asus has introduced quad processor servers. rs920-e7/rs8 server [ http://www.asus.com/server_workstation/servers/rs920e7rs8/ ] , rs926-e7/rs8 server [ http://www.asus.com/server_workstation/servers/rs926e7rs8/ ]. both support intel 4600 series 4-way xeon® romley-ep 4s , equipped 32 dimm slots, onboard vga , 6+1 expansion slots. can contain 8 hot-swap hard drives , 1+1 redundant power supplies , retail between $2,500 $3,000 w/o hds, ram , cpus. supermicro has 2 quad processer (xeon sandy bridge 4600s) motherboards: mbd-x9qri-f+ -b: http://www.supermicro.com/products/motherboard/xeon/c600/x9qri-f_.cfm , mbd-x9qr7-tf+ -b: http://www.supermicro.com/products/motherboard/xeon/c600/x9qr7-tf_.cfm . before 3d fluff ceased updating cinebench scores site, opteron 6174 system 48 cores , threads, running @ 2.2 ghz on win xp 64 bit, reported highest reported cinebench 11.5 score of 27.2 [ http://www.cbscores.com/index.php?sort=rend&order=desc ]. latest g34 processors have 16 cores each , run @ 3.1 ghz each (not 2.2 ghz); have higher cinebench 11.5 scores opteron 6174 systems. quad cpu sandy bridge 4600 systems better performers.
(a) these systems don't support cpu tweaking much;
(b) other helpful information such steps follow, perceived level of difficulty, , time complete, see following posts: ... .
iii. fav resources::
(1) 270-ws-w555 dsdt native power management modifications
http://www.insanelymac.com/forum/index.php?showtopic=233891
(2) dsdt — , how it?
http://www.insanelymac.com/forum/index.php?showtopic=278170
(3) dsdt editor , patcher
http://www.insanelymac.com/forum/index.php?showtopic=223205
(4) dsdt forum
http://www.insanelymac.com/forum/index.php?showforum=228
(5) decompiled original apple dsdts
http://www.insanelymac.com/forum/index.php?showtopic=152566
(6) nvidia 670 etc
http://www.tonymacx86.com/mountain-...upgrade-ga-p55a-ud4-ga-z77x-up5-th-print.html
(7) chameleon wizard - utility chameleon
http://www.insanelymac.com/forum/index.php?showtopic=257464
(8) all-in-one guide vanilla os x mountain lion + chameleon + dsdt beginners
http://www.insanelymac.com/forum/index.php?showtopic=280756
(9) latest : chameleon 2.1svn official pkg installer & binaries
http://www.insanelymac.com/forum/index.php?showtopic=231075
(10) system info, app hardware , kexts info
http://www.insanelymac.com/forum/index.php?showtopic=219584
(11) fakesmc – absolutely essential – tricks os x thinking it’s real mac
http://www.projectosx.com/forum/index.php?showtopic=1643
(12) nullcpupowermanagement – required prevent kernel panics, may not needed once appleintelcpupowermanagement patched after install.
http://www.osx86.net/view/16-nullcpupowermanagement_32--64-bit.html
(13) kext utility v2.5.1
http://cvad-mac.narod2.ru/kext_utility/
iv. cool performance innovations:
1) eic solutions has interesting solution. these [ http://www.eicsolutions.com/blog/pre...protector-1043 ] pre-packaged air conditioned enclosures, if priced right, might spell end water cooling , case envy, , lead occurrence of higher , more frequent turbo boosting, better on clocking performance if that, , prolonged system life.
v. credits:
summary based on information gathered various sources , resources regarding maximizing cpu performance, including posts in thread , forum.
vi. suggestions:
has built or builds his/her own system(s) and/or has modified or modify his/her own prebuilt system(s) maximum cpu performance, please describe (or provide url references to) did in sufficient detail replication may new endeavor? might helpful new endeavor answers questions such following: how evaluate level of difficulty involved , why? gotchas , other caveats, , how recommend countering or contending them? costs involved? what's estimate of time take start completion? how measure success or maximization of cpu performance achieved? performance gain worth cost, time, effort , downsides?
interested in thread, what's new in cpu/cpu-gpu assisted performance , might mean maximizing cpu or cpu-like performance?
great thank info!
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