详细评测（开博尔Q9）极限测试，惊爆你眼球！

小黄人 · 2014-9-17 13:12:27

『4K输出测试』

▼如下图，视频输出，支持设置4K/30hz逐行输出，达到HDMI1.4的极限：

▼4K影片测试截图1：影片列表

▼4K影片测试截图2：

▼4K影片测试截图3：

▼4K影片测试截图4：

▼4K影片测试截图5：

▼4K影片测试截图6：

▼4K影片测试截图7（局部）：

『4K硬解能力测试』

▲使用Q9播放4K视频，同时监看其CPU占用情况。一共有4个进程占用CPU资源：
cifs_mem_clear：24%
/system/bin/mediaserver：5%
/applications/bin/tvos：4%
/system/bin/surfaceflinger：1%

其中：
1、cifs_mem_clear应该是Linux内核文件系统的相关功能函数，具体可能与内存回收有关，它占用了24%的CPU资源，说明文件读写开销比较大，尚有优化的余地。
2、mediaserver是android上负责多媒体播放和编解码的守护进程，从它的5%CPU占用可以看出，Q9确实是对4K视频进行了硬件解码。
3、tvos应该是Q9的launcher，在全屏播放影片时，launcher占用4%的CPU资源，可以接受。
4、surfaceflinger是android的一个服务，负责管理应用端的surface（一块屏幕缓冲区），将所有的surface复合。他是介于图形库和应用之间的一层。每个应用在它自己的surface完成各种图形操作后，请求surfaceflinger显示到屏幕，surfaceflinger就会将所有的surface叠加起来。总之，屏显占用了1%的CPU资源。

『H.265硬解能力测试』

▲使用Q9播放H.265视频，同时监看其CPU占用情况。一共有4个进程占用CPU资源：
cifs_mem_clear：24%
/system/bin/mediaserver：4%
/applications/bin/tvos：4%
/system/bin/surfaceflinger：1%

这个占用情况，与之前的4K硬解测试基本相同，唯一的区别是mediaserver的CPU占用减少了1%。这也证明了Q9的H.265硬解能力。

『CPU测试』

▼MSO9180D1R（4核ARM A9 CPU、4核Mali-450 GPU）主频是1.4GHz：

▼系统信息：安卓4.3，已root

▼安兔兔跑分17925：

『闪存』

▼16G三星标准eMMC闪存（KLMAG2WEMB-B031），理论顺序读取速度很快（170MB/S），理论顺序写入速度一般（11MB/S）：

『内存吞吐量测试』

Q9配备了2GB内存。Dragon使用以下命令来测试其内存吞吐量：
adb shell time dd if=/dev/zero of=/dev/null bs=41943040 count=200
▼结果如下：

Q9的CPU和内存相互配合，在7.4秒内完成了8000MB数据的内存读写操作，其内存吞吐量为：1.0563GB/S

『千兆网络测试』

首先提一个需要改进的地方：目前有线网络无法手动设置IP。
Dragon使用以下命令来测试千兆网络效率：
TCP:
iperf -s -i 1 -w 1M
iperf -c IP -i 1 -w 1M -t 10
UDP:
iperf -u -s
iperf -u -c IP -b 900M -i 1 -w 1M

▼千兆网络稳定性测试（300秒Benchmark）：总体来说，Q9的千兆网络稳定性还算可以接受，在300秒测试中，出现了一次下探到5MB+，少数时候处于7.5MB~15MB间，绝大部分时间处于15MB~31MB间。300秒内的平均速度为21.8MB/S，约为175Mbps。

▼附上稳定性测试数据：

iperf -c 192.168.99.229 -P 1 -i 1 -p 5001 -w 1.0M -N -f M -t 300
------------------------------------------------------------
Client connecting to 192.168.99.229, TCP port 5001
TCP window size: 1.00 MByte
------------------------------------------------------------
[ 3] local 192.168.99.200 port 10830 connected with 192.168.99.229 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0- 1.0 sec 19.9 MBytes 19.9 MBytes/sec
[ 3] 1.0- 2.0 sec 19.0 MBytes 19.0 MBytes/sec
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[ 3] 260.0-261.0 sec 22.1 MBytes 22.1 MBytes/sec
[ 3] 261.0-262.0 sec 27.9 MBytes 27.9 MBytes/sec
[ 3] 262.0-263.0 sec 21.8 MBytes 21.8 MBytes/sec
[ 3] 263.0-264.0 sec 20.1 MBytes 20.1 MBytes/sec
[ 3] 264.0-265.0 sec 24.6 MBytes 24.6 MBytes/sec
[ 3] 265.0-266.0 sec 15.1 MBytes 15.1 MBytes/sec
[ 3] 266.0-267.0 sec 28.2 MBytes 28.2 MBytes/sec
[ 3] 267.0-268.0 sec 18.5 MBytes 18.5 MBytes/sec
[ 3] 268.0-269.0 sec 9.38 MBytes 9.38 MBytes/sec
[ 3] 269.0-270.0 sec 27.9 MBytes 27.9 MBytes/sec
[ 3] 270.0-271.0 sec 28.4 MBytes 28.4 MBytes/sec
[ 3] 271.0-272.0 sec 12.2 MBytes 12.2 MBytes/sec
[ 3] 272.0-273.0 sec 17.1 MBytes 17.1 MBytes/sec
[ 3] 273.0-274.0 sec 22.4 MBytes 22.4 MBytes/sec
[ 3] 274.0-275.0 sec 28.2 MBytes 28.2 MBytes/sec
[ 3] 275.0-276.0 sec 19.4 MBytes 19.4 MBytes/sec
[ 3] 276.0-277.0 sec 11.5 MBytes 11.5 MBytes/sec
[ 3] 277.0-278.0 sec 25.8 MBytes 25.8 MBytes/sec
[ 3] 278.0-279.0 sec 23.5 MBytes 23.5 MBytes/sec
[ 3] 279.0-280.0 sec 27.5 MBytes 27.5 MBytes/sec
[ 3] 280.0-281.0 sec 29.2 MBytes 29.2 MBytes/sec
[ 3] 281.0-282.0 sec 21.2 MBytes 21.2 MBytes/sec
[ 3] 282.0-283.0 sec 18.9 MBytes 18.9 MBytes/sec
[ 3] 283.0-284.0 sec 20.1 MBytes 20.1 MBytes/sec
[ 3] 284.0-285.0 sec 28.9 MBytes 28.9 MBytes/sec
[ 3] 285.0-286.0 sec 14.0 MBytes 14.0 MBytes/sec
[ 3] 286.0-287.0 sec 10.6 MBytes 10.6 MBytes/sec
[ 3] 287.0-288.0 sec 26.6 MBytes 26.6 MBytes/sec
[ 3] 288.0-289.0 sec 11.8 MBytes 11.8 MBytes/sec
[ 3] 289.0-290.0 sec 19.4 MBytes 19.4 MBytes/sec
[ 3] 290.0-291.0 sec 18.1 MBytes 18.1 MBytes/sec
[ 3] 291.0-292.0 sec 25.2 MBytes 25.2 MBytes/sec
[ 3] 292.0-293.0 sec 21.2 MBytes 21.2 MBytes/sec
[ 3] 293.0-294.0 sec 23.5 MBytes 23.5 MBytes/sec
[ 3] 294.0-295.0 sec 15.5 MBytes 15.5 MBytes/sec
[ 3] 295.0-296.0 sec 18.0 MBytes 18.0 MBytes/sec
[ 3] 296.0-297.0 sec 28.6 MBytes 28.6 MBytes/sec
[ 3] 297.0-298.0 sec 26.9 MBytes 26.9 MBytes/sec
[ 3] 298.0-299.0 sec 10.4 MBytes 10.4 MBytes/sec
[ 3] 299.0-300.0 sec 15.1 MBytes 15.1 MBytes/sec
[ 3] 0.0-300.0 sec 6552 MBytes 21.8 MBytes/sec
Done.

[color=rgb(51, 102, 153) !important]复制代码

▼Q9作为服务器，TCP协议下的千兆网络速率为201Mbps。

▼Q9作为客户机，TCP协议下的千兆网络速率为235Mbps。

▼Q9作为客户机，UDP协议下的千兆网络速率为347Mbps。

『USB3.0测试』

报一个BUG：插USB3.0的U盘，自动重启!

Dragon使用以下命令来测试USB3.0接口极速：
（of=/dev/null不产生写，可以用来测试纯读速度）
adb shell time dd if=/mnt/usb/sda1/test.bin of=/dev/null
（if=/dev/zero不产生读，可以用来测试纯写速度）
adb shell time dd if=/dev/zero of=/mnt/usb/sda1/test1.bin bs=1048576 count=1024

▼首先采用一块USB3.0的2.5寸移动硬盘，下图是其极速（电脑测试）：