Balancing disk energy against reliability in video playback
Abstract Video files contain large amount of data, which can be stored cost-effectively on a hard disk drive, but this consumes a significant energy when it is spinning and ready to read data. The energy used by a disk can be reduced by prefetching video frames into buffer to allow the disk to spin...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Song, Minseok [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2013 |
|---|
| Schlagwörter: |
|---|
| Anmerkung: |
© Springer-Verlag Berlin Heidelberg 2013 |
|---|
| Übergeordnetes Werk: |
Enthalten in: Multimedia systems - Springer Berlin Heidelberg, 1993, 20(2013), 1 vom: 07. März, Seite 25-43 |
|---|---|
| Übergeordnetes Werk: |
volume:20 ; year:2013 ; number:1 ; day:07 ; month:03 ; pages:25-43 |
| Links: |
|---|
| DOI / URN: |
10.1007/s00530-013-0305-5 |
|---|
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OLC2071072081 |
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| 520 | |a Abstract Video files contain large amount of data, which can be stored cost-effectively on a hard disk drive, but this consumes a significant energy when it is spinning and ready to read data. The energy used by a disk can be reduced by prefetching video frames into buffer to allow the disk to spin down. But frequent spindowns compromise disk life, so it is desirable to limit the number of times that the disk spins down. We propose a method of data prefetching that fully utilizes the available buffer while providing continuous video playback. We analyze the effect of the amount of data comprising the frames in the buffer on disk power consumption and formulate algorithms that determine when the disk should enter standby mode and the optimal number of disk spindowns. We implemented our scheme in the Linux 2.6 MPlayer and find that a portable 1.8-inch disk uses between 10 and 37 % less energy than it does with the existing MPlayer. | ||
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| 700 | 1 | |a Lee, Yeongju |4 aut | |
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10.1007/s00530-013-0305-5 doi (DE-627)OLC2071072081 (DE-He213)s00530-013-0305-5-p DE-627 ger DE-627 rakwb eng 004 VZ 24,1 ssgn 54.00 bkl Song, Minseok verfasserin aut Balancing disk energy against reliability in video playback 2013 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Berlin Heidelberg 2013 Abstract Video files contain large amount of data, which can be stored cost-effectively on a hard disk drive, but this consumes a significant energy when it is spinning and ready to read data. The energy used by a disk can be reduced by prefetching video frames into buffer to allow the disk to spin down. But frequent spindowns compromise disk life, so it is desirable to limit the number of times that the disk spins down. We propose a method of data prefetching that fully utilizes the available buffer while providing continuous video playback. We analyze the effect of the amount of data comprising the frames in the buffer on disk power consumption and formulate algorithms that determine when the disk should enter standby mode and the optimal number of disk spindowns. We implemented our scheme in the Linux 2.6 MPlayer and find that a portable 1.8-inch disk uses between 10 and 37 % less energy than it does with the existing MPlayer. Video playback Disk energy Disk reliability Linux MPlayer Low-power software Ryu, Wanhyung aut Sim, Jeong Seop aut Lee, Yeongju aut Enthalten in Multimedia systems Springer Berlin Heidelberg, 1993 20(2013), 1 vom: 07. März, Seite 25-43 (DE-627)171214684 (DE-600)1166499-X (DE-576)03871857X 0942-4962 nnns volume:20 year:2013 number:1 day:07 month:03 pages:25-43 https://doi.org/10.1007/s00530-013-0305-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-MAT SSG-OLC-MKW SSG-OLC-BUB SSG-OPC-BBI GBV_ILN_70 GBV_ILN_152 GBV_ILN_185 GBV_ILN_2018 GBV_ILN_4012 GBV_ILN_4277 GBV_ILN_4318 54.00 VZ AR 20 2013 1 07 03 25-43 |
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10.1007/s00530-013-0305-5 doi (DE-627)OLC2071072081 (DE-He213)s00530-013-0305-5-p DE-627 ger DE-627 rakwb eng 004 VZ 24,1 ssgn 54.00 bkl Song, Minseok verfasserin aut Balancing disk energy against reliability in video playback 2013 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Berlin Heidelberg 2013 Abstract Video files contain large amount of data, which can be stored cost-effectively on a hard disk drive, but this consumes a significant energy when it is spinning and ready to read data. The energy used by a disk can be reduced by prefetching video frames into buffer to allow the disk to spin down. But frequent spindowns compromise disk life, so it is desirable to limit the number of times that the disk spins down. We propose a method of data prefetching that fully utilizes the available buffer while providing continuous video playback. We analyze the effect of the amount of data comprising the frames in the buffer on disk power consumption and formulate algorithms that determine when the disk should enter standby mode and the optimal number of disk spindowns. We implemented our scheme in the Linux 2.6 MPlayer and find that a portable 1.8-inch disk uses between 10 and 37 % less energy than it does with the existing MPlayer. Video playback Disk energy Disk reliability Linux MPlayer Low-power software Ryu, Wanhyung aut Sim, Jeong Seop aut Lee, Yeongju aut Enthalten in Multimedia systems Springer Berlin Heidelberg, 1993 20(2013), 1 vom: 07. März, Seite 25-43 (DE-627)171214684 (DE-600)1166499-X (DE-576)03871857X 0942-4962 nnns volume:20 year:2013 number:1 day:07 month:03 pages:25-43 https://doi.org/10.1007/s00530-013-0305-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-MAT SSG-OLC-MKW SSG-OLC-BUB SSG-OPC-BBI GBV_ILN_70 GBV_ILN_152 GBV_ILN_185 GBV_ILN_2018 GBV_ILN_4012 GBV_ILN_4277 GBV_ILN_4318 54.00 VZ AR 20 2013 1 07 03 25-43 |
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Song, Minseok |
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10.1007/s00530-013-0305-5 |
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004 |
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balancing disk energy against reliability in video playback |
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Balancing disk energy against reliability in video playback |
| abstract |
Abstract Video files contain large amount of data, which can be stored cost-effectively on a hard disk drive, but this consumes a significant energy when it is spinning and ready to read data. The energy used by a disk can be reduced by prefetching video frames into buffer to allow the disk to spin down. But frequent spindowns compromise disk life, so it is desirable to limit the number of times that the disk spins down. We propose a method of data prefetching that fully utilizes the available buffer while providing continuous video playback. We analyze the effect of the amount of data comprising the frames in the buffer on disk power consumption and formulate algorithms that determine when the disk should enter standby mode and the optimal number of disk spindowns. We implemented our scheme in the Linux 2.6 MPlayer and find that a portable 1.8-inch disk uses between 10 and 37 % less energy than it does with the existing MPlayer. © Springer-Verlag Berlin Heidelberg 2013 |
| abstractGer |
Abstract Video files contain large amount of data, which can be stored cost-effectively on a hard disk drive, but this consumes a significant energy when it is spinning and ready to read data. The energy used by a disk can be reduced by prefetching video frames into buffer to allow the disk to spin down. But frequent spindowns compromise disk life, so it is desirable to limit the number of times that the disk spins down. We propose a method of data prefetching that fully utilizes the available buffer while providing continuous video playback. We analyze the effect of the amount of data comprising the frames in the buffer on disk power consumption and formulate algorithms that determine when the disk should enter standby mode and the optimal number of disk spindowns. We implemented our scheme in the Linux 2.6 MPlayer and find that a portable 1.8-inch disk uses between 10 and 37 % less energy than it does with the existing MPlayer. © Springer-Verlag Berlin Heidelberg 2013 |
| abstract_unstemmed |
Abstract Video files contain large amount of data, which can be stored cost-effectively on a hard disk drive, but this consumes a significant energy when it is spinning and ready to read data. The energy used by a disk can be reduced by prefetching video frames into buffer to allow the disk to spin down. But frequent spindowns compromise disk life, so it is desirable to limit the number of times that the disk spins down. We propose a method of data prefetching that fully utilizes the available buffer while providing continuous video playback. We analyze the effect of the amount of data comprising the frames in the buffer on disk power consumption and formulate algorithms that determine when the disk should enter standby mode and the optimal number of disk spindowns. We implemented our scheme in the Linux 2.6 MPlayer and find that a portable 1.8-inch disk uses between 10 and 37 % less energy than it does with the existing MPlayer. © Springer-Verlag Berlin Heidelberg 2013 |
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Balancing disk energy against reliability in video playback |
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Ryu, Wanhyung Sim, Jeong Seop Lee, Yeongju |
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