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08-02-08, 12:14

punya gw masih 9550GT + Barton 2600+

itu CPU bond atau GPU bond? kalo mainin game crysis



   
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08-02-08, 12:15

itu mah PC BOUND brow



SPEC PC KU: 20x133mhz; 200x4mb ram; 8x133 pci vga

   
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08-02-08, 15:08

We are trying to understand:
1. CPU bound
2. GPU bound


CPU bound
Indikasi:
1. CPU sibuk
2. RAM sibuk
3. hingga GPU-pun tidak banyak berperan

Dalam hal ini kita sering mengenal istilah CPU bottlencek. Mana yang mana kita perlu mengganti CPU, "upgdrade ato di OC dung CPU-nya... kompor "

Solusi:
1. Ganti CPU atau overclock (untuk mendapat clock yg lebih tinggi)
2. Ganti RAM (untuk mendapat kapasitas lebih), atau overlclock untuk speed/timing yg lebih baik

Contoh kasus:

Yep .. saya ambil contoh kasus bench singkat 3DMark05 dengan menggunakan HD3870 dan CPU E6300 default. Wah .. kecil amat untuk kelas HD3870??
Ya, disitu jelas sekali CPU bottleneck, karena?? mari kita lanjutkan dengan meng-OC E6300 ke level 3GHz, ato bayangkanlah E6300nya berganti Core 2 Xtreme X6800 ... here we go

Kondisi CPU bound terbukti di sini, mana yang mana score akan melonjak drastis saat kita menggeber clock CPU, that's why para top scorer di Race 3DMark selalu memakai kombinasi CPU @ high clock, setingi-tingginya

Bagaimana keadaan CPU bound di real game? Anda bisa menjumpai di game2 dengan grafis resolusi rendah (max 1024 lah), tanpa AA, banyak task (misal strategi) etc. Selanjutnya, mari kita berpindah ke GPU bound...





GPU bound
Indikasi:
1. GPU sibuk sendirian
2. CPU tidak banyak berperan
3. RAM tidak banyak berperan (di kapasitas max aplikasi/game itu mensupport)
4. Umum terjadi saat main dengan high res, AA & AF

Solusi:
1. Turunkan resolusi, detail, matikan AA dan AF
2. Ganti ama GPU yang lebih bagus kinerjanya

Contoh kasus:
3DMark05 lagi (saya pakai contoh 3DMark05 karena selain cepet nge-benchnya, tidak juga menjadi ambigu karena tidak diperlukan CPU test untuk mengeluarkan score)

well ... seperti anda lihat, CPU default, namun bench di 1280x1024 8xAA dan AF

mari kita OC CPU

droooll

Bagaimana keadaan GPU bound di real game? Anda bisa menjumpai di game2 dengan grafis super cantik, main di High res, ato main dengan AA dan AF... Crysis itu contoh game super GPU bound, di 1280x1024 dengan High Detail preset, anda tidak akan mendapatkan kenaikan fps yang signifikan hanya dengan meng-OC CPU, dari 2.4Ghz ke 3.4Ghz dah .... Tapi jika Crysis di Medium 800x600, maka kenaikan fps dari OC CPU akan terasa. Silahkan dicoba. Kondisi GPU bound ini juga bisa dibantu dengan meng-OC GPU ... dikit juga sih naiknya



Summary
Beberapa test singkat bisa saya rangkum menjadi tabel seperti dibawah ini:

Advise untuk temen2, kalo merasa punya GPU kenceng tapi gak pedhe di CPU, bisa main game dengan AA dan AF. Toh selain mempercantik gambar juga ye ...



Thanks

b


*hanya sebuah contoh dengan menggunakan 3DMark05
*result di real world bergantung bagaimana system anda berjumpa dengan aplikasi A, B, C etc









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Last edited by becco; 08-02-08 at 15:13.
   
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08-02-08, 15:41

nice example

@becco
klo CPU Bound bisa terjadi di VGA benchmark tool, bisa g itu dibilang Bugs?



SPEC PC KU: 20x133mhz; 200x4mb ram; 8x133 pci vga

   
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08-02-08, 16:52

Quote:
Originally Posted by bekha13 View Post
@becco
klo CPU Bound bisa terjadi di VGA benchmark tool, bisa g itu dibilang Bugs?
enggak, karena perlu diketahui itu benhcmark tool dirilis kira2 4 tahun yang lalu (2004)
justru progarmer nya PINTER dan JAGO, karena masih bisa scaling di hardware2 jaman sekarang









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08-02-08, 17:17

^
hmm..
target kita ke 3DMarkStudio 2005 y.
ayo kita kaji lagi.
  1. program itu dirilis 4 tahun yg lalu (2004).
  2. aplikasi lama bisa scaling di hardware2 jaman sekarang.
  3. hardware jaman sekarang lebih bertenaga dari jaman dulu.
  4. dengan aplikasi lama masih bisa membuat CPU Bound.
Are you sure that's not bugs?



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09-02-08, 13:18

mantp, om beko.. topik pencerahan....
pantas skor 3dmrk05 di pc ane gak nembus2 10rb...defaultnya...
rupanya CPU nya bukan tipe c2d..., OK deh OM.......


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09-02-08, 14:40

leh masalah ini benernya dah lama bangetsss CPU bound, GPU bound... lol
mestinya ambil cara bijak dalam memilih malah lebih cermat n akurat..
sebagai gamer pembahasan skalabilitas GPU terhadap CPU lah yang mesti dicermati,
sebage gambaran pilih mana..
3870 X2 di Celeron prosesor ato ...
9550XT di quad core 6600 ...
dolo ada kasus bro becco pake x1950 di athlon 64 3000+ nya sudah bisa menjadi pencerahan semestinya,.. ga usah mesti gamblang kaya' TS jabarin...
ntar member2 disini malah memahaminya..
kalo digabung2in ma game tentu sudah lain lagi masalahnya...
GPU dengan kualitas High end jelas sudah isa menikmati FPS tinggi(nyaman) dengan dukungan RAM yang mumpuni.. execute prosie disini hanya sedikit berperan range 25-40 persen resources...


Radeon 9700 Pro

Last edited by elles; 09-02-08 at 14:53.
   
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