Changes between Version 19 and Version 20 of KVM_vs_Xen
- Timestamp:
- Jul 14, 2010, 5:57:33 PM (14 years ago)
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KVM_vs_Xen
v19 v20 21 21 22 22 ---- 23 = 【效能比較】 = 24 == [測試系統環境] == 23 = 【測試環境】 = 25 24 * __'''硬體規格：'''__ 26 25 || '''CPU''' || Intel® Core™2 Quad Processor Q6600 (8M Cache, 2.40 GHz, 1066 MHz FSB) [[BR]]支援 Intel VT-x || … … 35 34 || '''KVM''' || 72 || 36 35 37 [[BR]] 38 = = [測試案例] ==39 * __'''CPU 效能比較：'''__ 36 ---- 37 = 【測試案例】 = 38 == [1. CPU 效能比較] == 40 39 || || '''Xen-PV''' || '''Xen-HVN''' || '''KVM''' || 41 40 || '''VMmark''' || || || || 42 41 || '''dbench''' || || || || 43 42 44 * __'''Memory 效能比較：'''__ 43 [[BR]] 44 == [2. Memory 效能比較] == 45 45 || || '''Xen-PV''' || '''Xen-HVN''' || '''KVM''' || 46 46 || 還沒想到 || || || || 47 47 48 * __'''Graphics 效能比較：'''__ 48 [[BR]] 49 == [3. Graphics 效能比較] == 50 * [http://trac.nchc.org.tw/grid/attachment/wiki/KVM_vs_Xen/Direct%20Access%20to%20Graphics%20Card%20Leveraging%20VT-d%20Technical%20Report.pdf Direct Access to Graphics Card Leveraging VT-d Technical Report] 49 51 || || '''Xen-PV''' || '''Xen-HVN''' || '''KVM''' || 50 52 || '''CUDA''' || || || || 51 53 52 * __'''I/O (Disk) 效能比較：'''__ 54 [[BR]] 55 == [4. I/O (Disk) 效能比較] == 53 56 * 註：Xen 可選擇 file、[http://wiki.xensource.com/xenwiki/blktap tap:aio] 和 xen4.0 最新 [http://wiki.xensource.com/xenwiki/blktap2 tap:tapdisk:aio] 來設定 Guest disk 54 57 * 註：KVM 可使用 [http://www.linux-kvm.org/page/Virtio virtio] 來增加 I/O 效能 (KVＭ >= 60, kernel >=2.6.25) … … 61 64 || '''dbench''' || || || || 62 65 63 * __'''I/O (Network) 效能比較：'''__ 66 [[BR]] 67 == [5. I/O (Network) 效能比較] == 64 68 * [http://www.linux-kvm.com/content/kvm-developers-achieve-native-network-io-performance KVM developers achieve native network IO performance] 65 69 * 此位大大的測試，使用 KVM PCI-passthrough 配合 Intel VT-d 可達到 Host 相同的網路效能 66 70 * [http://vmstudy.blogspot.com/2010/04/network-performance-test-xenkvm-vt-d.html Network Performance Test Xen/Kvm (VT-d and Para-virt drivers)] 67 71 * 此位大大的測試看來，同樣使用 Para-virt + VT-d 的話 Xen 還是勝出 68 69 72 || || '''Xen-PV''' || '''Xen-HVN''' || '''KVM''' || 70 73 || '''tbench''' || || || ||
