Polaris的VP9硬解...效果? - 3C

By Olive
at 2016-12-09T18:44
at 2016-12-09T18:44
Table of Contents
更新:
Bluesky FRC作者的開發日誌有相關記載了
http://bluesky23.blog.shinobi.jp/entry/20161209
作者也表示目前依然是真相不明
(到底是Google個別對應到AMD的產品,或是AMD的VP9真的有對應DXVA或其他API)
===
在Crimson ReLive 16.12.1驅動釋出後就很期待VP9硬解功能
而更新後當然馬上做了幾個CPU使用率的快速測試
測試影片:(4K 30FPS)
https://www.youtube.com/watch?v=iNJdPyoqt8U
測試平台:(驅動是Crimson ReLive 16.12.1,懶得改圖惹)
http://i.imgur.com/DZffdno.png
瀏覽器:Google Chrome 55.0.2883.75(64-bit)
a.開啟硬體加速
b.使用H264ify將影片改為H.264後再進行測試
c.關閉硬體加速(用CPU去軟解)後再進行VP9 vs H.264
測試結果:
開硬體加速+VP9
http://i.imgur.com/opHrMMu.png
關硬體加速+VP9
http://i.imgur.com/esTDrtT.png
開硬體加速+H.264
http://i.imgur.com/suGL6Bq.png
關硬體加速+H.264
http://i.imgur.com/xVM3Fr1.png
結論:
可以看到開硬體加速去跑VP9確實是有效果,然而H.264的表現尚遠優於VP9硬解
而H.264硬解也確實相當有效
至於VP9在GCN全系列是如何達成的在anandtech的報導中也有提到
http://tinyurl.com/j3awb8k
簡單來說這版ReLive驅動理論上讓GCN架構的卡都能跑VP9(混合硬解)
但卻是用GPU的shader下去跑(OpenCL?),並非GPU裡面有相關的VP9硬解單元
因此造成混合硬解的情況
http://i.imgur.com/HYkoC68.png
這也大概是為什麼DXVA Checker裡面沒有VP9的原因(用追蹤功能也抓不到任何跡象)
如果要看更猛的VP9 4K 60FPS影片那CPU的壓力就更大了
https://www.youtube.com/watch?v=UceRgEyfSsc
而且時常有頓一下的情況,並非完美流暢撥放
如果用Win 7的話在Chrome網址列輸入Chrome://GPU
裡面這項反而會顯示"Software only, hardware acceleration unavailable"
http://i.imgur.com/ZuMI5nC.png
https://www.chiphell.com/thread-1680345-1-1.html
這一篇也可以簡單看看
因此目前測出來的結果就是:
在這版驅動下Polaris的VP9硬解是混合硬解,並非GPU內建的純硬體加速
雖然還是有H264ify可用,但還是很希望能有VP9純硬解呀
而且現況也只能在Google Chrome上面實現,FireFox和其它瀏覽器都無法使用
http://i.imgur.com/2CGtQCy.png
看到這張圖又QQ一次惹...
--
姐姐 姐姐 我們好像變成簽名檔了
雷姆,雷姆 好像真的是這麼一回事呢
--
Bluesky FRC作者的開發日誌有相關記載了
http://bluesky23.blog.shinobi.jp/entry/20161209
作者也表示目前依然是真相不明
(到底是Google個別對應到AMD的產品,或是AMD的VP9真的有對應DXVA或其他API)
===
在Crimson ReLive 16.12.1驅動釋出後就很期待VP9硬解功能
而更新後當然馬上做了幾個CPU使用率的快速測試
測試影片:(4K 30FPS)
https://www.youtube.com/watch?v=iNJdPyoqt8U
測試平台:(驅動是Crimson ReLive 16.12.1,懶得改圖惹)
http://i.imgur.com/DZffdno.png
瀏覽器:Google Chrome 55.0.2883.75(64-bit)
a.開啟硬體加速
b.使用H264ify將影片改為H.264後再進行測試
c.關閉硬體加速(用CPU去軟解)後再進行VP9 vs H.264
測試結果:
開硬體加速+VP9
http://i.imgur.com/opHrMMu.png
關硬體加速+VP9
http://i.imgur.com/esTDrtT.png
開硬體加速+H.264
http://i.imgur.com/suGL6Bq.png
關硬體加速+H.264
http://i.imgur.com/xVM3Fr1.png
結論:
可以看到開硬體加速去跑VP9確實是有效果,然而H.264的表現尚遠優於VP9硬解
而H.264硬解也確實相當有效
至於VP9在GCN全系列是如何達成的在anandtech的報導中也有提到
http://tinyurl.com/j3awb8k
簡單來說這版ReLive驅動理論上讓GCN架構的卡都能跑VP9(混合硬解)
但卻是用GPU的shader下去跑(OpenCL?),並非GPU裡面有相關的VP9硬解單元
因此造成混合硬解的情況
http://i.imgur.com/HYkoC68.png
這也大概是為什麼DXVA Checker裡面沒有VP9的原因(用追蹤功能也抓不到任何跡象)
如果要看更猛的VP9 4K 60FPS影片那CPU的壓力就更大了
https://www.youtube.com/watch?v=UceRgEyfSsc
而且時常有頓一下的情況,並非完美流暢撥放
如果用Win 7的話在Chrome網址列輸入Chrome://GPU
裡面這項反而會顯示"Software only, hardware acceleration unavailable"
http://i.imgur.com/ZuMI5nC.png
https://www.chiphell.com/thread-1680345-1-1.html
這一篇也可以簡單看看
因此目前測出來的結果就是:
在這版驅動下Polaris的VP9硬解是混合硬解,並非GPU內建的純硬體加速
雖然還是有H264ify可用,但還是很希望能有VP9純硬解呀
而且現況也只能在Google Chrome上面實現,FireFox和其它瀏覽器都無法使用
http://i.imgur.com/2CGtQCy.png
看到這張圖又QQ一次惹...
--
姐姐 姐姐 我們好像變成簽名檔了
雷姆,雷姆 好像真的是這麼一回事呢
--
Tags:
3C
All Comments

By Yedda
at 2016-12-14T17:28
at 2016-12-14T17:28

By Daniel
at 2016-12-18T12:21
at 2016-12-18T12:21

By Poppy
at 2016-12-22T05:02
at 2016-12-22T05:02

By Mason
at 2016-12-22T09:53
at 2016-12-22T09:53

By Skylar Davis
at 2016-12-23T12:30
at 2016-12-23T12:30

By Michael
at 2016-12-25T03:12
at 2016-12-25T03:12

By Frederica
at 2016-12-25T06:48
at 2016-12-25T06:48

By Charlie
at 2016-12-29T13:31
at 2016-12-29T13:31

By Brianna
at 2016-12-30T19:01
at 2016-12-30T19:01

By Dinah
at 2017-01-03T20:08
at 2017-01-03T20:08

By Mia
at 2017-01-08T02:11
at 2017-01-08T02:11

By Rae
at 2017-01-12T08:48
at 2017-01-12T08:48

By Valerie
at 2017-01-14T18:46
at 2017-01-14T18:46

By Ida
at 2017-01-19T11:22
at 2017-01-19T11:22

By Daph Bay
at 2017-01-23T06:50
at 2017-01-23T06:50

By Sarah
at 2017-01-25T11:54
at 2017-01-25T11:54

By Noah
at 2017-01-28T17:21
at 2017-01-28T17:21

By Noah
at 2017-01-31T12:32
at 2017-01-31T12:32

By Regina
at 2017-02-01T11:47
at 2017-02-01T11:47

By Skylar DavisLinda
at 2017-02-03T17:46
at 2017-02-03T17:46

By Ida
at 2017-02-07T17:38
at 2017-02-07T17:38

By Yuri
at 2017-02-07T19:54
at 2017-02-07T19:54

By Ophelia
at 2017-02-09T16:31
at 2017-02-09T16:31

By Hedy
at 2017-02-14T06:15
at 2017-02-14T06:15

By Hedy
at 2017-02-18T07:05
at 2017-02-18T07:05

By Agatha
at 2017-02-22T04:01
at 2017-02-22T04:01

By Rosalind
at 2017-02-25T09:59
at 2017-02-25T09:59

By Edward Lewis
at 2017-03-02T07:55
at 2017-03-02T07:55

By Jack
at 2017-03-04T01:20
at 2017-03-04T01:20

By Edward Lewis
at 2017-03-07T17:18
at 2017-03-07T17:18

By Sierra Rose
at 2017-03-07T23:46
at 2017-03-07T23:46

By Heather
at 2017-03-09T06:23
at 2017-03-09T06:23

By Valerie
at 2017-03-13T13:55
at 2017-03-13T13:55

By William
at 2017-03-17T06:54
at 2017-03-17T06:54

By Jacob
at 2017-03-18T00:01
at 2017-03-18T00:01

By Doris
at 2017-03-19T11:32
at 2017-03-19T11:32

By Jake
at 2017-03-21T00:49
at 2017-03-21T00:49

By Linda
at 2017-03-24T05:58
at 2017-03-24T05:58

By Bethany
at 2017-03-26T15:29
at 2017-03-26T15:29

By Olga
at 2017-03-29T21:11
at 2017-03-29T21:11

By Hamiltion
at 2017-03-30T23:23
at 2017-03-30T23:23

By Noah
at 2017-04-03T16:30
at 2017-04-03T16:30

By Heather
at 2017-04-06T16:48
at 2017-04-06T16:48

By Tom
at 2017-04-07T14:54
at 2017-04-07T14:54

By Erin
at 2017-04-11T18:41
at 2017-04-11T18:41

By Skylar DavisLinda
at 2017-04-14T05:31
at 2017-04-14T05:31

By Lily
at 2017-04-18T16:31
at 2017-04-18T16:31

By Dinah
at 2017-04-21T06:10
at 2017-04-21T06:10

By Eden
at 2017-04-21T15:25
at 2017-04-21T15:25

By Ivy
at 2017-04-21T23:29
at 2017-04-21T23:29

By Eartha
at 2017-04-26T13:59
at 2017-04-26T13:59

By Bethany
at 2017-05-01T10:05
at 2017-05-01T10:05

By Skylar DavisLinda
at 2017-05-05T09:13
at 2017-05-05T09:13

By Leila
at 2017-05-08T03:05
at 2017-05-08T03:05

By Jacob
at 2017-05-12T11:34
at 2017-05-12T11:34

By Sandy
at 2017-05-16T01:55
at 2017-05-16T01:55

By Kristin
at 2017-05-20T00:13
at 2017-05-20T00:13

By Gary
at 2017-05-24T05:31
at 2017-05-24T05:31

By Andrew
at 2017-05-24T16:15
at 2017-05-24T16:15

By Dora
at 2017-05-28T09:05
at 2017-05-28T09:05

By Kama
at 2017-06-01T15:58
at 2017-06-01T15:58

By Daniel
at 2017-06-02T09:59
at 2017-06-02T09:59

By Agatha
at 2017-06-03T18:55
at 2017-06-03T18:55

By Edwina
at 2017-06-04T09:25
at 2017-06-04T09:25

By Oscar
at 2017-06-05T09:29
at 2017-06-05T09:29

By Daph Bay
at 2017-06-10T02:04
at 2017-06-10T02:04

By Thomas
at 2017-06-13T13:52
at 2017-06-13T13:52

By Ida
at 2017-06-17T05:30
at 2017-06-17T05:30

By Necoo
at 2017-06-21T12:02
at 2017-06-21T12:02

By Todd Johnson
at 2017-06-25T20:13
at 2017-06-25T20:13

By Yedda
at 2017-06-28T00:54
at 2017-06-28T00:54

By Ethan
at 2017-07-02T14:57
at 2017-07-02T14:57

By Connor
at 2017-07-07T02:20
at 2017-07-07T02:20

By Barb Cronin
at 2017-07-09T18:45
at 2017-07-09T18:45

By Jack
at 2017-07-14T16:23
at 2017-07-14T16:23

By Franklin
at 2017-07-18T17:41
at 2017-07-18T17:41

By Rachel
at 2017-07-19T13:26
at 2017-07-19T13:26

By Hazel
at 2017-07-21T03:37
at 2017-07-21T03:37

By Hedy
at 2017-07-24T17:43
at 2017-07-24T17:43

By Xanthe
at 2017-07-28T09:02
at 2017-07-28T09:02

By Damian
at 2017-07-28T14:44
at 2017-07-28T14:44

By Edward Lewis
at 2017-07-29T23:28
at 2017-07-29T23:28

By Linda
at 2017-08-03T08:20
at 2017-08-03T08:20

By Una
at 2017-08-03T23:41
at 2017-08-03T23:41

By Anonymous
at 2017-08-04T19:06
at 2017-08-04T19:06

By Jake
at 2017-08-07T14:58
at 2017-08-07T14:58

By Blanche
at 2017-08-10T10:17
at 2017-08-10T10:17

By Michael
at 2017-08-11T01:28
at 2017-08-11T01:28

By Necoo
at 2017-08-13T18:05
at 2017-08-13T18:05

By Adele
at 2017-08-15T22:14
at 2017-08-15T22:14

By David
at 2017-08-17T12:15
at 2017-08-17T12:15

By Delia
at 2017-08-17T19:45
at 2017-08-17T19:45

By Doris
at 2017-08-18T07:03
at 2017-08-18T07:03

By Dinah
at 2017-08-19T15:52
at 2017-08-19T15:52

By Todd Johnson
at 2017-08-24T12:26
at 2017-08-24T12:26

By Hamiltion
at 2017-08-25T09:43
at 2017-08-25T09:43

By Elma
at 2017-08-26T17:28
at 2017-08-26T17:28

By Leila
at 2017-08-27T08:01
at 2017-08-27T08:01

By Kelly
at 2017-09-01T03:32
at 2017-09-01T03:32

By Zanna
at 2017-09-05T09:15
at 2017-09-05T09:15

By Isla
at 2017-09-07T21:24
at 2017-09-07T21:24

By Liam
at 2017-09-09T18:10
at 2017-09-09T18:10

By Rae
at 2017-09-10T22:53
at 2017-09-10T22:53

By Thomas
at 2017-09-15T00:08
at 2017-09-15T00:08

By Hedy
at 2017-09-19T23:14
at 2017-09-19T23:14

By Enid
at 2017-09-22T12:25
at 2017-09-22T12:25

By Bennie
at 2017-09-27T11:32
at 2017-09-27T11:32

By Kristin
at 2017-09-27T12:58
at 2017-09-27T12:58

By Kumar
at 2017-10-02T06:11
at 2017-10-02T06:11

By Erin
at 2017-10-07T00:10
at 2017-10-07T00:10

By Rebecca
at 2017-10-07T18:52
at 2017-10-07T18:52

By Ida
at 2017-10-11T17:19
at 2017-10-11T17:19

By Ophelia
at 2017-10-15T06:19
at 2017-10-15T06:19
Related Posts
45K繪圖遊戲機

By Andrew
at 2016-12-09T18:03
at 2016-12-09T18:03
三星發表首款量子點曲面液晶螢幕 CFG70

By Cara
at 2016-12-09T16:45
at 2016-12-09T16:45
老電腦更換

By Rachel
at 2016-12-09T15:46
at 2016-12-09T15:46
電蝦長期置底閒聊區

By Kelly
at 2016-12-09T15:38
at 2016-12-09T15:38
有3.5硬碟外接盒推薦的嗎

By Brianna
at 2016-12-09T15:25
at 2016-12-09T15:25