\u610f\u56f3\u305b\u305a\u3057\u3066\u6700\u521d\u306e\u3092\u30b5\u30dc\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3042\u3046\u3042\u3046\u3002
\n\u65e5\u7acb\u306e\u52d5\u7684\u518d\u69cb\u6210\u306a\u30c7\u30d0\u30a4\u30b9\u306b\u95a2\u3059\u308b\u30bb\u30c3\u30b7\u30e7\u30f3\u3002<\/p>\n
\u6f14\u7b97\u30bb\u30eb\u30a2\u30ec\u30a4(ALU\u30bb\u30eb\u3001MLT(\u4e57\u7b97\/MAC)\u30bb\u30eb\u3001\u57fa\u672c\u7684\u306b16bit) \u306f\u30af\u30ed\u30b9\u30d0\u3092\u4ecb\u3057\u3066Load\/Store \u30bb\u30eb\u30fb\u30ed\u30fc\u30ab\u30eb\u30e1\u30e2\u30ea\u306b\u63a5\u7d9a\u3002\u30b3\u30f3\u30d5\u30a3\u30ae\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30de\u30cd\u30fc\u30b8\u30e3\u3092\u5916\u90e8(\u3068\u3044\u3063\u3066\u3082\u30c1\u30c3\u30d7\u5185\u90e8)\u306b\u6301\u3061\u3001\u30bb\u30eb\u306e\u985e\u4f3c\u6027\u3092\u5229\u7528\u3057\u3066\u69cb\u6210\u60c5\u5831\u3092\u5727\u7e2e\u3059\u308b\u3053\u3068\u3067\u69cb\u6210\u60c5\u5831\u306e\u30b5\u30a4\u30ba\u3092 1\/5 \u304f\u3089\u3044\u307e\u3067\u843d\u3068\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u5727\u7e2e\u3057\u306a\u3044\u3068\u69cb\u6210\u60c5\u5831\u306e\u8ee2\u9001\u304c\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3002\u69cb\u6210\u60c5\u5831\u306f\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u30ed\u30fc\u30c9\u53ef\u80fd\u3002<\/p>\n
IPFlex \u4f50\u85e4\u3055\u3093: \u69cb\u6210\u60c5\u5831\u306e\u30b5\u30a4\u30ba\u306f\u3069\u308c\u304f\u3089\u3044\uff1f\u516c\u8868\u3067\u304d\u308c\u3070\u6559\u3048\u3066\u304f\u3060\u3055\u3044
\n\u2192ALU, MLT \u30bb\u30eb\u306e\u69cb\u6210\u60c5\u5831\u306f 96bit \u3068\u304b\u3002\u4e88\u7a3f\u306b\u3067\u3066\u3044\u307e\u3059
\n\u4e45\u6211\u5148\u751f\uff20\u718a\u672c\u5927: 16\u30a8\u30f3\u30c8\u30ea\u304f\u3089\u3044\u304c\u9762\u7a4d\u52b9\u7387\u7684\u306a\u843d\u3068\u3057\u3069\u3053\u308d\u306a\u306e\u304b\u3001\u5897\u3084\u3059\u3068\u3069\u3046\u306a\u308b\u304b
\n\u2192\u968e\u5c64\u5316\u3059\u308b\u3053\u3068\u3067\u305d\u308c\u304f\u3089\u3044\u3067\u3082\u6027\u80fd\u304c\u51fa\u305b\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3001\u3068<\/p>\n
AAC 128kbps, 2ch, 44.1kHz \u306e\u30a8\u30f3\u30b3\u30fc\u30c9\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30bf\u4e0a\u3067\u5b9f\u884c\u3002\u30b7\u30df\u30e5\u30ec\u30fc\u30bf\u306e\u6f14\u7b97\u306e\u3068\u3053\u308d\u306f cycle level accurate\u3001\u5236\u5fa1\u7cfb\u306f functional level.
\n102MHz \u3067 8 \u500d\u901fAAC\u30a8\u30f3\u30b3\u30fc\u30c9\u3092\u5b9f\u73fe\u3002FIR \u3068\u304b DCT \u3067\u3001\u7d44\u307f\u8fbc\u307f\u5411\u3051 single MAC DSP \u306e 10 \u500d\u304f\u3089\u3044?
\nconfiguration \u3092 preload \u3059\u308b\u3053\u3068\u3067\u30014.8M cycle \u304f\u3089\u3044\u304b\u304b\u308b\u306e\u304c 32k cycle \u306b\u3002\u3055\u3089\u306b\u5727\u7e2e\u3059\u308b\u3053\u3068\u3067\u30012k \u56de\u304f\u3089\u3044\u5165\u308c\u66ff\u3048\u306a\u304d\u3083\u3044\u3051\u306a\u3044\u306e\u30921\u56de\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u305f\u3002
\n\u4eca\u5f8c\u306f\u958b\u767a\u74b0\u5883\u3082\u6574\u5099\u3057\u3066\u3044\u304f\u4e88\u5b9a\u3002<\/p>\n
NEC \u306e\u68b6\u539f\u3055\u3093: ALU\u3068MUL\u306e\u30d6\u30ed\u30c3\u30af\u304c 3:1 \u3067\u5165\u3063\u3066\u307e\u3059\u304c\u3001\u3069\u3093\u306a\u611f\u3058\u3067\u6c7a\u3081\u305f\u304b\u3068\u3044\u3046\u306e\u3068\u3001\u4eca\u56de\u306e\u5b9f\u88c5\u3067\u306e\u30ea\u30bd\u30fc\u30b9\u6d88\u8cbb\u72b6\u6cc1\u3092\u6559\u3048\u3066\u304f\u3060\u3055\u3044\u3002
\n\u2192 ALU-MUL-ALU-ALU \u304c8\u5217\u3042\u308b\u69cb\u6210\u306f\u3001ALUx4 7\u5217 + MULx4 1\u5217\u3088\u308a\u3060\u3044\u3076\u4f7f\u7528\u52b9\u7387\u304c\u4e0a\u304c\u308b\u611f\u3058\u3067\u3057\u305f\u3002
\n\u65e9\u7a32\u7530\u306e\u6728\u6751\u5148\u751f: C\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30b3\u30fc\u30c9\u304b\u3089\u30de\u30c3\u30d4\u30f3\u30b0\u3092\u3055\u308c\u305f\u3088\u3046\u3067\u3059\u304c\u3001loop unrolling \u3068\u304b\u3001\u305d\u3046\u3044\u3046tuning\u306f\u3069\u3093\u306a\u611f\u3058\u3067\u3084\u308a\u307e\u3057\u305f\u304b\uff1f
\n\u2192 FFT \u306f\u30d0\u30bf\u30d5\u30e9\u30a4\u307e\u3067\u5e83\u3052\u3066\u304b\u3089 mapping. \u305d\u306e\u4ed6\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f 2\u30013\u91cd\u304f\u3089\u3044\u306e\u30eb\u30fc\u30d7\u3092\u307e\u3093\u306a\u304b\u307e\u3067\u3042\u3051\u3066\u3001\u3042\u3068\u306f\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u306e\u9806\u756a\u3092\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3057\u305f\u308a\u3068\u304b
\n\u30b3\u30f3\u30d1\u30a4\u30e9\u3092\u4f5c\u308b\u4e0a\u3067\u5f93\u6765\u578b\u306e\u30d7\u30ed\u30bb\u30c3\u30b5\u3068\u9055\u3046\u3068\u3053\u308d\u306f\uff1f
\n\u2192 interconnection \u306e\u5236\u7d04\u306e\u3042\u308b 2 \u6b21\u5143\u306e\u30a2\u30ec\u30a4\u306b\u3001\u547d\u4ee4\u5217\u3092\u6d41\u3057\u8fbc\u3080\u3068 3 \u6b21\u5143\u306b\u306a\u308b\u308f\u3051\u3067\u3001\u305d\u306e\u3078\u3093\u304c\u96e3\u3057\u3044\u304b\u3082
\n\u672b\u5409\u5148\u751f: VLIW \u306e\u4e00\u7a2e\u307f\u305f\u3044\u306a\u3082\u306e\u3067\u3059\u3088\u306d\u3002\u63a5\u7d9a\u304c\u9650\u3089\u308c\u3066\u3044\u308b\u3046\u3048\u306b\u3057\u304b\u3082 non-uniform \u3067\u3059\u3057\u3001\u5927\u5909\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3072\u3068\u3064\u306b\u3069\u308c\u304f\u3089\u3044\u304b\u304b\u308a\u307e\u3057\u305f\uff1f
\n\u2192 \u3075\u305f\u308a\u304f\u3089\u3044\u3067\u534a\u5e74\u3068\u304b\u3002\u30c4\u30fc\u30eb\u307b\u3057\u3044\u3067\u3059\u3002
\n\u4f50\u85e4\u3055\u3093\uff20\u65e5\u7acb: non-uniform \u306a\u3068\u3053\u308d\u306b DFG \u3092\u30de\u30c3\u30d7\u3059\u308b\u306e\u304c\u5927\u5909\u3002C \u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u3046\u307e\u304f\u30de\u30c3\u30d7\u3059\u308b\u306e\u3082\u3084\u3063\u3071\u308a\u5927\u5909\u3002\u305d\u306e 2 \u70b9\u304f\u3089\u3044\u3068\u3001configuration \/ data \u306e\u30ed\u30fc\u30c9\u3092\u6f14\u7b97\u3092\u6b62\u3081\u308b\u3053\u3068\u306a\u304f\u884c\u3048\u308b\u3088\u3046\u306b\u3059\u308b\u3068\u3053\u308d\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u304c\u96e3\u3057\u3044\u304b\u306a\u3002\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u3063\u3066\u5727\u7e2e\u5236\u5fa1\u3092\u3059\u308b\u3068\u3053\u308d\u3082\u3001\u9759\u7684\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u773a\u3081\u3089\u308c\u306a\u3044\u3088\u3046\u306a\u5834\u5408\u306b\u306f\u3001\u307e\u305f\u5927\u5909\u3067\u3059\u3002
\nIPFlex \u306e\u829d\u3055\u3093: Loop unrolling \u3067 carry dependency \u3068\u304b\u304c\u3042\u308b\u3068\u3084\u3070\u3044\u3068\u601d\u3046\u3093\u3067\u3059\u304c\u3001\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3068\u304b\u306e\u6a5f\u69cb\u306f\u3042\u308b\u3093\u3067\u3057\u3087\u3046\u304b\uff1f
\n\u2192 DSP \u95a2\u4fc2\u3067\u306f\u4f9d\u5b58\u95a2\u4fc2\u304c\u8907\u96d1\u3060\u3063\u305f\u308a\u3059\u308b\u306e\u3067\u3001HPC \u306a\u5834\u5408\u3068\u9055\u3063\u3066\u30b3\u30f3\u30d1\u30a4\u30e9\u7684\u306b\u306f\u96e3\u3057\u3044\u304b\u306a\u3002\u5c0f\u3055\u306a\u30eb\u30fc\u30d7\u3067\u4f9d\u5b58\u95a2\u4fc2\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u30c1\u30c3\u30d7\u306e\u4e0a\u3067\u306a\u3093\u3068\u304b\u3067\u304d\u308b\u304c\u3001\u5927\u304d\u3044\u5834\u5408\u306b\u306f\u4e00\u5ea6\u30ed\u30fc\u30ab\u30eb\u30e1\u30e2\u30ea\u306b\u5410\u304d\u51fa\u3057\u3066\u304b\u3089\u51e6\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u65e5\u7acb\u306e\u4f50\u85e4\u3055\u3093\u3002\u6570\u5b66\u306e\u3054\u51fa\u8eab\u306a\u306e\u3067\u3059\u306d\uff08\u304b\u3063\u3053\u3044\u3044\uff01\uff09\u3002
\nALU-MUL-ALU-ALU\u306a\u69cb\u6210\u3060\u304c\u3001\u53f3\u304b\u3089\u3082\u5de6\u304b\u3089\u3082\u30c7\u30fc\u30bf\u304c\u6d41\u305b\u305f\u308a\u3059\u308b\u306e\u3067\u3001MUL-ALU-ALU-ALU \u3068\u304b\u3001MUL \u304c3\u3064\u30814\u3064\u3081\u306b\u3042\u308b\u3088\u3046\u306a\u69cb\u6210\u3092\u53d6\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3002
\n\u57fa\u65702\u306e Cooley-Tukey \u578b\u3092\u30014×4 cell \u306b\u5165\u308c\u3066\u3001FE-GA \u306b\u3075\u305f\u3064\u8f09\u305b\u308b\u3002
\n\u30bb\u30eb\u5229\u7528\u7387 90.5% \u3067\u30b5\u30a4\u30af\u30eb\u6570\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306f 3.5%\u3002<\/p>\n
\u30c8\u30e8\u30bfIT\u306e\u65b9: FFT\u3092\u52b9\u7387\u3088\u304f\u3059\u308b\u305f\u3081\u306b\u30af\u30ed\u30b9\u30d0\u3092\u5c0e\u5165\u3057\u305f\u308a\u3057\u3066\u3044\u308b\u3088\u3046\u306a\u306e\u3060\u304c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8f09\u305b\u3066\u307f\u3066\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3057\u305f\u306e\u306f\u3069\u3093\u306a\u70b9\uff1f
\n\u2192 \u30af\u30ed\u30b9\u30d0\u306f\u6700\u521d\u304b\u3089\u8f09\u305b\u3088\u3046\u304b\u3001\u3068\u3044\u3046\u611f\u3058\u3060\u3063\u305f\u306e\u3060\u3051\u308c\u3069\u3001MUL \u3092\u3069\u306e\u5217\u306b\u7f6e\u304f\u304b\u3092\u308f\u308a\u3068\u81ea\u7531\u306b\u3068\u308c\u308b\u3088\u3046\u306a\u6a5f\u69cb (FFT \u3067\u306f\u6700\u521d\u306e\u884c\u306b\u7f6e\u304d\u305f\u304b\u3063\u305f) \u3068\u304b\u3092\u5165\u308c\u3066\u3082\u3089\u3063\u305f\u3002\u3042\u3068\u3001\u30e1\u30e2\u30ea\u304b\u3089 ALU \u306b\u8ee2\u9001\u3059\u308b\u3068\u304d\u306e\u9045\u5ef6\u3092\u81ea\u7531\u306b\u3068\u308c\u308b\u4ed5\u639b\u3051\u3068\u304b\u3002
\n1k point \u3068\u304b 2k point \u306e\u5834\u5408\u3001\u57fa\u6570\u30924\u3068\u304b8\u306b\u3059\u308b\u3068\u601d\u3046\u306e\u3060\u304c\u3001\u57fa\u6570\u304c\u4e0a\u304c\u3063\u305f\u5834\u5408\u306b\u540c\u3058\u3088\u3046\u306a\u5b9f\u88c5\u3067\u5bfe\u5fdc\u3067\u304d\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f
\n\u2192 \u307e\u3042\u3001\u540c\u3058\u30d0\u30bf\u30d5\u30e9\u30a4\u306a\u306e\u3067\u3001\u306a\u3093\u3068\u304b\u306a\u308b\u3093\u3067\u306a\u3044\u304b\u3068\u3002\u9014\u4e2d\u3067\u5206\u5272\u3059\u308b\u5fc5\u8981\u306f\u3042\u308b\u3051\u308c\u3069\u3002
\n\u98ef\u7530\u5148\u751f\uff20\u718a\u672c\u5927: 4×8 \u3068\u3044\u3046\u30b5\u30a4\u30ba\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u3063\u3066\u307f\u3066\u6700\u9069\u3060\u3068\u308f\u304b\u3063\u305f\u306e\u304b\u3001\u5927\u304d\u304f\u3057\u305f\u308a\u5c0f\u3055\u304f\u3059\u308b\u5fc5\u8981\u306f\u3069\u3046\u306a\u306e\u304b\u3002
\n\u2192 \u30b3\u30a2\u3092\u8907\u6570\u63a5\u7d9a\u3059\u308b\u3053\u3068\u306b\u3088\u308b\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306f\u3042\u308b\u306e\u3067\u5927\u4e08\u592b\u3060\u3068\u601d\u3046\u3002\u305f\u3060\u3001\u3044\u307e\u306e\u3068\u3053\u308d\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u306a\u5c0f\u3055\u3044\u3082\u306e\u3057\u304b\u3084\u3063\u3066\u3044\u306a\u3044\u306e\u3067\u3001WLAN \u306e\u3088\u3046\u306a\u306e\u3092\u3084\u308b\u3068\u96e3\u3057\u3044\u304b\u3082\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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