Presentation | 2007-08-23 Homogenous Dual-Processor Core with Shared L1 Cache for Mobile Multimedia SoC Tetsu HOSOKI, Takao YAMAMOTO, Masayuki YAMASAKI, Keisuke KANEKO, Masaitsu NAKAJIMA, |
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Abstract(in Japanese) | (See Japanese page) |
Abstract(in English) | We propose a novel dual-processor core which adopts a shared L1 cache with active way scheme [1]. In this scheme, each way of cache is owned by specific thread or processor and replace operation is only happened to its own ways. By implementing 2 stages cache access with this scheme, this structure only requires dual port TAG, and no dual port DATA memory to realize simultaneous access from both processors. This architecture can guarantee no cache thrashing and no snoop overhead. And also by sharing cache memory and cache controller, power dissipation is 23% smaller in case of heavy load and area is 29% smaller than dual processor core with snoop cache. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | Homogeneous / Dual-processor / Snoop cache / Shared cache / Low power |
Paper # | SDM2007-142,ICD2007-70 |
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Committee | ICD |
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Conference Date | 2007/8/16(1days) |
Place (in Japanese) | (See Japanese page) |
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Topics (in Japanese) | (See Japanese page) |
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Paper Information | |
Registration To | Integrated Circuits and Devices (ICD) |
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Language | JPN |
Title (in Japanese) | (See Japanese page) |
Sub Title (in Japanese) | (See Japanese page) |
Title (in English) | Homogenous Dual-Processor Core with Shared L1 Cache for Mobile Multimedia SoC |
Sub Title (in English) | |
Keyword(1) | Homogeneous |
Keyword(2) | Dual-processor |
Keyword(3) | Snoop cache |
Keyword(4) | Shared cache |
Keyword(5) | Low power |
1st Author's Name | Tetsu HOSOKI |
1st Author's Affiliation | Strategic Semiconductor Development Center, Matsushita Electric Industrial Co.,Ltd.() |
2nd Author's Name | Takao YAMAMOTO |
2nd Author's Affiliation | Strategic Semiconductor Development Center, Matsushita Electric Industrial Co.,Ltd. |
3rd Author's Name | Masayuki YAMASAKI |
3rd Author's Affiliation | Strategic Semiconductor Development Center, Matsushita Electric Industrial Co.,Ltd. |
4th Author's Name | Keisuke KANEKO |
4th Author's Affiliation | Strategic Semiconductor Development Center, Matsushita Electric Industrial Co.,Ltd. |
5th Author's Name | Masaitsu NAKAJIMA |
5th Author's Affiliation | Strategic Semiconductor Development Center, Matsushita Electric Industrial Co.,Ltd. |
Date | 2007-08-23 |
Paper # | SDM2007-142,ICD2007-70 |
Volume (vol) | vol.107 |
Number (no) | 195 |
Page | pp.pp.- |
#Pages | 5 |
Date of Issue |