libvirt
KVM testing on Debian 10 via the Phoronix Test Suite.


QEMU HDD: 

	Processor: Intel Core (2 Cores), Motherboard: QEMU Standard PC (Q35 + ICH9 2009) (?-20190727_073836-buildvm-ppc64le-16.ppc.fedoraproject.org-3.fc31 BIOS), Chipset: Intel 82G33/G31/P35/P31 + ICH9, Memory: 1 x 2048 MB RAM QEMU, Disk: 9GB QEMU HDD + 43GB QEMU HDD, Graphics: Red Hat QXL paravirtual graphic card, Network: Red Hat Virtio device

	OS: Debian 10, Kernel: 4.19.0-8-amd64 (x86_64), Compiler: GCC 8.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM

QEMU HDD no iothreads: 

	Processor: Intel Xeon E5-2650 v4 (2 Cores), Motherboard: QEMU Standard PC (Q35 + ICH9 2009) (?-20190727_073836-buildvm-ppc64le-16.ppc.fedoraproject.org-3.fc31 BIOS), Chipset: Intel 82G33/G31/P35/P31 + ICH9, Memory: 1 x 2048 MB RAM QEMU, Disk: 9GB QEMU HDD + 43GB QEMU HDD, Graphics: Red Hat QXL paravirtual graphic card, Network: Red Hat Virtio device

	OS: Debian 10, Kernel: 4.19.0-8-amd64 (x86_64), Compiler: GCC 8.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM


SQLite 3.30.1
Timed SQLite Insertions
Seconds < Lower Is Better
QEMU HDD .............. 9.772 |================================================
QEMU HDD no iothreads . 8.027 |=======================================


Flexible IO Tester 3.18
Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory
MB/s > Higher Is Better
QEMU HDD .............. 5534 |=================================================
QEMU HDD no iothreads . 5537 |=================================================


Flexible IO Tester 3.18
Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory
IOPS > Higher Is Better
QEMU HDD .............. 2763 |=================================================
QEMU HDD no iothreads . 2765 |=================================================


Flexible IO Tester 3.18
Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
QEMU HDD .............. 310 |=======================================
QEMU HDD no iothreads . 398 |==================================================


Flexible IO Tester 3.18
Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
QEMU HDD .............. 79293  |=====================================
QEMU HDD no iothreads . 101667 |===============================================


Flexible IO Tester 3.18
Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory
MB/s > Higher Is Better
QEMU HDD .............. 4639 |=================================================
QEMU HDD no iothreads . 4554 |================================================


Flexible IO Tester 3.18
Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory
IOPS > Higher Is Better
QEMU HDD .............. 2316 |=================================================
QEMU HDD no iothreads . 2273 |================================================


Flexible IO Tester 3.18
Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
QEMU HDD .............. 312 |==============================================
QEMU HDD no iothreads . 342 |==================================================


Flexible IO Tester 3.18
Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
QEMU HDD .............. 80033 |============================================
QEMU HDD no iothreads . 87667 |================================================


Flexible IO Tester 3.18
Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory
MB/s > Higher Is Better
QEMU HDD .............. 5544 |=================================================
QEMU HDD no iothreads . 5512 |=================================================


Flexible IO Tester 3.18
Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory
IOPS > Higher Is Better
QEMU HDD .............. 2768 |=================================================
QEMU HDD no iothreads . 2753 |=================================================


Flexible IO Tester 3.18
Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
QEMU HDD .............. 338 |=========================================
QEMU HDD no iothreads . 411 |==================================================


Flexible IO Tester 3.18
Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
QEMU HDD .............. 86633  |=======================================
QEMU HDD no iothreads . 105000 |===============================================


Flexible IO Tester 3.18
Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory
MB/s > Higher Is Better
QEMU HDD .............. 4540 |=================================================
QEMU HDD no iothreads . 4564 |=================================================


Flexible IO Tester 3.18
Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory
IOPS > Higher Is Better
QEMU HDD .............. 2266 |=================================================
QEMU HDD no iothreads . 2278 |=================================================


Flexible IO Tester 3.18
Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
QEMU HDD .............. 308 |==============================================
QEMU HDD no iothreads . 338 |==================================================


Flexible IO Tester 3.18
Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
QEMU HDD .............. 78900 |============================================
QEMU HDD no iothreads . 86433 |================================================


FS-Mark 3.3
Test: 1000 Files, 1MB Size
Files/s > Higher Is Better
QEMU HDD .............. 336.2 |================================================
QEMU HDD no iothreads . 333.3 |================================================


FS-Mark 3.3
Test: 5000 Files, 1MB Size, 4 Threads
Files/s > Higher Is Better
QEMU HDD .............. 672.6 |================================================
QEMU HDD no iothreads . 619.9 |============================================


FS-Mark 3.3
Test: 4000 Files, 32 Sub Dirs, 1MB Size
Files/s > Higher Is Better
QEMU HDD .............. 357.9 |================================================
QEMU HDD no iothreads . 360.0 |================================================


FS-Mark 3.3
Test: 1000 Files, 1MB Size, No Sync/FSync
Files/s > Higher Is Better
QEMU HDD .............. 1094.8 |===============================================
QEMU HDD no iothreads . 1066.6 |==============================================


Dbench 4.0
12 Clients
MB/s > Higher Is Better
QEMU HDD .............. 965.76 |===============================================
QEMU HDD no iothreads . 939.93 |==============================================


Dbench 4.0
1 Clients
MB/s > Higher Is Better
QEMU HDD .............. 134.18 |====================
QEMU HDD no iothreads . 322.95 |===============================================


Compile Bench 0.6
Test: Compile
MB/s > Higher Is Better
QEMU HDD .............. 909.25 |===============================================
QEMU HDD no iothreads . 891.10 |==============================================


Compile Bench 0.6
Test: Initial Create
MB/s > Higher Is Better
QEMU HDD .............. 264.87 |===============================================
QEMU HDD no iothreads . 245.50 |============================================


Compile Bench 0.6
Test: Read Compiled Tree
MB/s > Higher Is Better
QEMU HDD .............. 784.94 |===============================================
QEMU HDD no iothreads . 733.44 |============================================


PostMark 1.51
Disk Transaction Performance
TPS > Higher Is Better
QEMU HDD .............. 3178 |=================================================
QEMU HDD no iothreads . 3099 |================================================