JP2018173956A - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP2018173956A JP2018173956A JP2018060426A JP2018060426A JP2018173956A JP 2018173956 A JP2018173956 A JP 2018173956A JP 2018060426 A JP2018060426 A JP 2018060426A JP 2018060426 A JP2018060426 A JP 2018060426A JP 2018173956 A JP2018173956 A JP 2018173956A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3215—Monitoring of peripheral devices
- G06F1/3225—Monitoring of peripheral devices of memory devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30003—Arrangements for executing specific machine instructions
- G06F9/30007—Arrangements for executing specific machine instructions to perform operations on data operands
- G06F9/3001—Arithmetic instructions
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3275—Power saving in memory, e.g. RAM, cache
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/3287—Power saving characterised by the action undertaken by switching off individual functional units in the computer system
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/3293—Power saving characterised by the action undertaken by switching to a less power-consuming processor, e.g. sub-CPU
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30098—Register arrangements
- G06F9/30101—Special purpose registers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/20—Processor architectures; Processor configuration, e.g. pipelining
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/60—Memory management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20024—Filtering details
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20112—Image segmentation details
- G06T2207/20164—Salient point detection; Corner detection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
Description
その他の実施形態の具体的な事項は、詳細な説明及び図面に含まれている。
二番目のアセンブリ命令MAPMUL_ReduceAcc16(IDA_Conv4(IR)、CDA_Conv4(CR、w16))は、入力データパターンのみを異ならせて同様の方法で演算される。このとき、入力は、前の5×5マトリクス演算で説明したように、4×4マトリクスから3×3マトリクスのデータを除いた残りのデータ(図22におけるD2領域からD1領域を除いた領域のイメージデータ)FUの各レーンに入力され、3×3の結果と一緒にaddツリーに乗ってOR116に該当結果を保存する。この結果は、サイズ4×4の畳み込み(convolultion)演算結果を意味する。
100 第1プロセッサ
105 メモリ階層
110 内部レジスタ、レジスタファイル
112 第1レジスタ、IR(Image Register)
114 第1レジスタ、CR(Coefficient Register)
116 第1レジスタ、OR(Output Register)
120 ロードストアユニット(load store unit、LSU)
130 データ配置レイヤ
140 マップレイヤ
150 リデュースレイヤ
160 ALU(Arithmetic Logic Unit)
160a、160b、・・・、160c、160d 第1〜第9ALUグループ
170 制御部
190 DA(Data Arrange)モジュール
192 IDA(Image DA)
194 CDA(Coefficient DA)
200 第2プロセッサ
212 第2レジスタ、SR(Scalar Register)
214 第2レジスタ、VR(Vector Register)
220 フェッチユニット
230 デコーダ
240a、240b、240c、240d スロット(slot)
242a、242b、242d スカラー機能ユニット(Scalar Functional Unit、SFU)
242c FCE(Flexible Convolution Engine、フレキシブル畳み込みエンジン)ユニット
244a、244b、244c ベクトル機能ユニット(Vector Functional unit、VFU)
244d 制御命令(ConTrol、CT)ユニット
246a、246b、246c、246d 移動ユニット(Move unit、MV)
300 コントローラ
400 メモリバス
Claims (15)
- 第1レジスタを含み、前記第1レジスタを用いてROI(Region On Interest)演算を行う第1プロセッサと、
第2レジスタを含み、前記第2レジスタを用いて算術演算を行う第2プロセッサと、を含み、
前記第1レジスタは前記第2プロセッサによって共有され、前記第2レジスタは前記第1プロセッサによって共有されることを特徴とする半導体装置。 - 前記第1プロセッサ及び前記第2プロセッサは同じISA(Instruction Set Architecture)を共有することを特徴とする請求項1に記載の半導体装置。
- 前記第1プロセッサと前記第2プロセッサは互いに独立した電源によって駆動されることを特徴とする請求項1に記載の半導体装置。
- 前記第1プロセッサ及び前記第2プロセッサのうち未使用のプロセッサに対する電源は遮断されることを特徴とする請求項3に記載の半導体装置。
- 前記第1プロセッサは、1次元フィルタ演算、2次元フィルタ演算、センサス変換(Census Transform)演算、最小/最大(Min/Max)フィルタ演算、SAD(Sum of Absolute Difference)演算、SSD(Sum of Squared Difference)演算、NMS(Non Maximum Suppression)演算、及びマトリクス乗算演算のうちの少なくとも一つを行い、
前記第2プロセッサは、予測(prediction)演算、ベクトルパーミュート(vector permute)演算、ベクトルビット操作(vector bit manipulation)演算、バタフライ(butterfly)演算、及び並べ替え(sorting)演算のうち少なくとも一つを行うことを特徴とする請求項1に記載の半導体装置。 - 第1レジスタを含み、前記第1レジスタを用いてROI(Region On Interest)演算を行う第1プロセッサと、
第2レジスタを含み、前記第2レジスタを用いて算術演算を行う第2プロセッサと、を含み、
前記第1プロセッサ及び前記第2プロセッサは同じISA(Instruction Set Architecture)を共有することを特徴とする半導体装置。 - 前記第1レジスタは前記第2プロセッサによって共有され、前記第2レジスタは前記第1プロセッサによって共有されることを特徴とする請求項6に記載の半導体装置。
- 前記第1レジスタはIR(Image Register)、CR(Coefficient Register)、及びOR(Output Register)のうちの少なくとも一つを含む、ことを特徴とする請求項1又は6に記載の半導体装置。
- 前記第2レジスタはSR(Scalar Register)及びVR(Vector Register)のうちの少なくとも一つを含むことを特徴とする請求項6に記載の半導体装置。
- 前記第1プロセッサは、処理するデータを再並列するデータ配置ユニット(data arrange unit)を含むことを特徴とする請求項6に記載の半導体装置。
- 前記第1プロセッサは、互いに並列に配置された複数のALU(Arithmetic Logic Unit)を含み、
前記複数のALUは、前記データ配置ユニットによって再配列された前記データを並列処理することを特徴とする請求項10に記載の半導体装置。 - 前記第2プロセッサは、VLIW(Very Long Instruction Word)に基づくインストラクションを処理することを特徴とする請求項1又は6に記載の半導体装置。
- 前記第2プロセッサは、
VLIWインストラクションを提供するフェッチユニットと、
前記VLIWインストラクションを複数のインストラクションにデコードするデコーダを含むことを特徴とする請求項12に記載の半導体装置。 - 前記第2プロセッサによって処理されるインストラクションは2つ以上のスロット(slot)を含むことを特徴とする請求項12に記載の半導体装置。
- 前記2つ以上のスロットのうちの少なくとも一つのスロットは前記第1プロセッサを用いて実行されることを特徴とする請求項14に記載の半導体装置。
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KR1020170042125A KR102235803B1 (ko) | 2017-03-31 | 2017-03-31 | 반도체 장치 |
KR10-2017-0042125 | 2017-03-31 |
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JP2018173956A true JP2018173956A (ja) | 2018-11-08 |
JP7154788B2 JP7154788B2 (ja) | 2022-10-18 |
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KR (1) | KR102235803B1 (ja) |
CN (1) | CN109447892B (ja) |
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