# HG changeset patch # User Yuhi TOMARI # Date 1424163545 -32400 # Node ID 0690afa10eb714074d178032e10cc88a82f71eff # Parent b85ecebe6fc3c6141a1f605b930a49c1ad897fa5 add diff -r b85ecebe6fc3 -r 0690afa10eb7 paper/graffle/Scheduler.graffle --- a/paper/graffle/Scheduler.graffle Tue Feb 17 14:14:22 2015 +0900 +++ b/paper/graffle/Scheduler.graffle Tue Feb 17 17:59:05 2015 +0900 @@ -17,6 +17,13 @@ {{0, 0}, {559, 783}} Class SolidGraphic + FontInfo + + Font + Helvetica + Size + 21 + ID 2 Style @@ -46,12 +53,85 @@ Creator yuhi DisplayScale - 1 0/72 in = 1 0/72 in + 1 0/72 in = 1.0000 in GraphDocumentVersion 8 GraphicsList + Bounds + {{111, 331.5}, {48, 22}} + Class + ShapedGraphic + FitText + YES + Flow + Resize + ID + 110 + Shape + Rectangle + Style + + fill + + Draws + NO + + shadow + + Draws + NO + + stroke + + Draws + NO + + + Text + + Pad + 0 + Text + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 +\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} +{\colortbl;\red255\green255\blue255;} +\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc + +\f0\fs36 \cf0 Stage} + VerticalPad + 0 + + Wrap + NO + + + Class + LineGraphic + ID + 109 + Points + + {168, 342} + {504, 342} + + Style + + stroke + + HeadArrow + FilledArrow + Legacy + + TailArrow + 0 + Width + 2 + + + + Class LineGraphic Head @@ -272,7 +352,7 @@ Pad 0 Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -320,7 +400,7 @@ Pad 0 Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -368,7 +448,7 @@ Pad 0 Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -416,7 +496,7 @@ Pad 0 Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -464,7 +544,7 @@ Pad 0 Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -512,7 +592,7 @@ Pad 0 Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -532,7 +612,7 @@ Points {199, 117} - {198.5, 351} + {198.5, 317} Style @@ -557,7 +637,7 @@ Points {305, 117} - {304.5, 351} + {304.5, 316} Style @@ -605,7 +685,7 @@ Text Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -644,7 +724,7 @@ Text Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -683,7 +763,7 @@ Text Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -722,7 +802,7 @@ Text Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -761,7 +841,7 @@ Text Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -800,7 +880,7 @@ Text Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -839,7 +919,7 @@ Text Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -878,7 +958,7 @@ Text Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -917,7 +997,7 @@ Text Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -933,7 +1013,7 @@ Points {411, 117} - {410.5, 351} + {410.5, 315} Style @@ -986,7 +1066,7 @@ Pad 0 Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -1035,7 +1115,7 @@ Text Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -1113,7 +1193,7 @@ Pad 0 Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -1161,7 +1241,7 @@ Text Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -1200,7 +1280,7 @@ Text Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -1239,7 +1319,7 @@ Text Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -1278,7 +1358,7 @@ Text Text - {\rtf1\ansi\ansicpg1252\cocoartf1343\cocoasubrtf160 + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 \cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc @@ -1338,7 +1418,7 @@ MasterSheets ModificationDate - 2015-01-13 00:54:00 +0000 + 2015-02-17 07:47:11 +0000 Modifier yuhi NotesVisible @@ -1419,7 +1499,7 @@ Frame - {{955, 228}, {856, 937}} + {{232, 196}, {856, 937}} ListView OutlineWidth diff -r b85ecebe6fc3 -r 0690afa10eb7 slide/blank.html --- a/slide/blank.html Tue Feb 17 14:14:22 2015 +0900 +++ b/slide/blank.html Tue Feb 17 17:59:05 2015 +0900 @@ -157,7 +157,7 @@
-

Cerium での Task の例

+

Cerium における Task の生成

Cerium TaskManager では処理の単位を Task としてプログラムを記述していく。 @@ -194,8 +194,199 @@

-

- +

Cerium における Task の記述

+

Device 側で実行される Task の記述を示す。

+ 
+static int
+run(SchedTask ∗s) {
+    float ∗i_data1 = (float∗)s−>get_input(0); // get input
+    float ∗i_data2 = (float∗)s−>get_input(1); // get output
+    float ∗o_data  = (float∗)s−>get_output(0); // get parameter
+    long length    = (long)s−>get_param(0);
+
+    // calculate
+    for (int i=0; i<length; i++) {
+        o_data[i] = i_data1[i] ∗ i_data2[i];
+    }
+    return 0; 
+}
+
+

Host 側では Task を生成する際に様々なパラメタを設定しており、 + Task にはそれを取得する API が用意されている。

+ + + + + + + + + + + + + + +
APIcontent
get_input入力データのアドレスを取得
get_output出力先データのアドレスを取得
get_paramパラメータを取得
+
+ +
+

TaskManager の構成

+
+ +
+
    +
  • TaskManagerと各Threadsの間には Syncronized な Mail Queueがある。 +
  • 依存関係の解決された Task は TaskManager から Mail Queue に送られる。 +
  • Task に設定された CPUType に対応した Threads が Mail Queue から Task を取得し、並列実行していく。 +
+
+ +
+

マルチコア CPU 上での並列実行

+
+ +
+

+ Cerium は Cell 上で動作するフレームワークであったが MacOSX、Linux 上での並列実行に対応させた。 +

+

+ マルチコア CPU 上での並列実行は、Synchronized Queue とパイプラインによって実現されている。 + TaskManager で依存関係を解決された Task は Scheduler に送信され、 + Scheduler が持っているパイプラインの機構に沿って並列に実行する。 +

+
+ +
+

マルチコア CPU におけるパイプラインの実装

+ + + + + +
+ 
void
+Scheduler::run(SchedTaskBase* task1) {
+    SchedTaskBase* task2 = new SchedNop();
+    SchedTaskBase* task3 = new SchedNop();
+
+    // main loop
+    do {
+
+        task1->read();
+        task2->exec();
+        task3->write();
+
+        delete task3;
+
+        task3 = task2;
+        task2 = task1;
+        task1 = task1->next(this, 0);
+
+    } while (task1);
+
+    delete task3;
+    delete task2;
+}
+ 		+

+ Cerium の Task は SchedTask と呼ばれるデータ構造で表現されている。 + SchedTask は read/exec/write のメソッドを持っており、 + パイプラインの各ステージで段階的に実行される。 +

+

+ 引数として TaskList を受け取り、List 内の Task をパイプライン実行する。 + task3 が write を担当しており、write が終わった Task は終了となる。 +

+

+ 終了した task は delete して良い。 + task3=task2、task2=task1 と SchedTask をずらして行き、TaskList から 次の Task を読み込む。 +

+
+
+ +
+

DMA の prefetch を用いた改良

+
+ +
+

マルチコア CPU におけるデータ並列

+
+ +
+

GPGPU への対応

+
+ +
+

GPGPU におけるパイプラインの実装

+
+ +
+

GPGPU におけるデータ並列

+
+ +
+

Cerium の I/O(mmap による読み込み)

+
+ +
+

BlockedRead による I/O の並列化

+
+ +
+

I/O 専用のThread

+
+ +
+

実験に利用する例題-Sort-

+
+ +
+

実験に利用する例題-WordCount-

+
+ +
+

実験に利用する例題-FFT-

+
+ +
+

実験環境

+
+ +
+

マルチコア CPU による並列実行のベンチマーク

+
+ +
+

DMA の prefecth に関するベンチマーク

+
+ +
+

GPGPU のベンチマーク

+
+ +
+

データ並列実行のベンチマーク

+
+ +
+

GPGPU のベンチマーク

+
+ +
+

FFT による GPGPU のベンチマーク

+
+ +
+

BlockedRead による並列 I/O のベンチマーク

+
+ +
+

まとめ

+
+ +
+

今後の課題

diff -r b85ecebe6fc3 -r 0690afa10eb7 slide/graffle/createTask.graffle --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/slide/graffle/createTask.graffle Tue Feb 17 17:59:05 2015 +0900 @@ -0,0 +1,2259 @@ + + + + + ActiveLayerIndex + 0 + ApplicationVersion + + com.omnigroup.OmniGraffle + 139.18.0.187838 + + AutoAdjust + + BackgroundGraphic + + Bounds + {{0, 0}, {1118, 783}} + Class + SolidGraphic + ID + 2 + Style + + shadow + + Draws + NO + + stroke + + Draws + NO + + + + BaseZoom + 0 + CanvasOrigin + {0, 0} + ColumnAlign + 1 + ColumnSpacing + 36 + CreationDate + 2013-02-18 07:20:36 +0000 + Creator + yuhi + DisplayScale + 1 0/72 in = 1.0000 in + GraphDocumentVersion + 8 + GraphicsList + + + Class + LineGraphic + FontInfo + + Font + Helvetica + Size + 12 + + Head + + ID + 79 + Info + 1 + + ID + 93 + Layer + 1 + Points + + {459.92422575353123, 261.33964538574219} + {358.34361267089844, 198.58396171645475} + + Style + + stroke + + HeadArrow + 0 + Legacy + + TailArrow + 0 + + + Tail + + ID + 86 + Info + 2 + + + + Class + LineGraphic + FontInfo + + Font + Helvetica + Size + 12 + + Head + + ID + 89 + + ID + 90 + Layer + 1 + Points + + {459.92422581124805, 411.64685998759961} + {459.94646411471763, 440.14028438086791} + + Style + + stroke + + HeadArrow + 0 + Legacy + + TailArrow + 0 + + + Tail + + ID + 87 + Info + 1 + + + + Bounds + {{426.90343432956138, 440.14028438086791}, {66.0860595703125, 42.153620024593849}} + Class + ShapedGraphic + FontInfo + + Font + Helvetica + Size + 12 + + ID + 89 + Layer + 1 + Magnets + + {0, 1} + {0, -1} + {1, 0} + {-1, 0} + {1, 1} + {1, -1} + {-1, 1} + {-1, -1} + + Shape + Rectangle + Style + + shadow + + Draws + NO + + + Text + + Text + {\rtf1\ansi\ansicpg1252\cocoartf1344\cocoasubrtf720 +\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;} +{\colortbl;\red255\green255\blue255;} +\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc + +\f0\fs48 \cf0 Gpu} + + + + Class + LineGraphic + 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