Changes between Version 17 and Version 18 of KVM_vs_Xen

Timestamp:

Jul 14, 2010, 5:37:07 PM (14 years ago)

Author:

rock

Comment:

--

KVM_vs_Xen

@@ -6 +6 @@
 
 ----
-= 【Xen 和 KVM　雙方辯論會】 =
+= 【Xen 和 KVM 雙方辯論會】 =
  * Xen: 我效能很好勒
  * KVM: 我都不用 Patch Kernel 勒
-(VMware 表示：你們把我放在哪裡 ＼_/ )
+(VMware 表示：你們把我放在哪裡 ＠＠a )
 
 ----
@@ -41 +41 @@
 || '''VMmark'''       ||   ||  ||  ||
 || '''dbench'''       ||   ||  ||  ||
+
  * __'''Memory 效能比較：'''__
 ||               || '''Xen-PV'''  || '''Xen-HVN''' || '''KVM''' ||
 || 還沒想到        ||   ||  ||  ||
+
  * __'''Graphics 效能比較：'''__
 ||               || '''Xen-PV'''  || '''Xen-HVN''' || '''KVM''' ||
 || '''CUDA'''      ||   ||  ||  ||
+
  * __'''I/O (Disk) 效能比較：'''__
    * 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
    * 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)
    * [http://www.scribd.com/doc/14683287/Virtualized-Block-Device-IO-Performance Virtualized Block Device I/O Performance]
->> 樓上那位大大的 Disk I/O 測試總結：[[BR]](1) Xen is actually pretty damn good[[BR]] (2) KVM performance is sorry with full device emulation (expected)[[BR]] (3) KVM+VirtIO is better, but nowhere near Xen Paravirt
+> 樓上那位大大的 Disk I/O 測試總結：
+>>(1) Xen is actually pretty damn good[[BR]] (2) KVM performance is sorry with full device emulation (expected)[[BR]] (3) KVM+VirtIO is better, but nowhere near Xen Paravirt
 
 ||                     || '''Xen-PV'''  || '''Xen-HVN''' || '''KVM''' ||
 || '''bonnie++'''       ||   ||  ||  ||
 || '''dbench''' ||   ||  ||  ||     
+
  * __'''I/O (Network) 效能比較：'''__
+   * [http://www.linux-kvm.com/content/kvm-developers-achieve-native-network-io-performance KVM developers achieve native network IO performance]
+> 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
+
 ||               || '''Xen-PV'''  || '''Xen-HVN''' || '''KVM''' ||
 ||  '''tbench'''     ||   ||  ||  ||
+
 
 ----