Mercurial > hg > Members > kono > Cerium

annotate example/renew_task/spe/SpeProfile.cc @ 354:81b25e5d5379

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
add example/get_segment and change spe/DrawSpan.cpp
author koba
date Wed, 15 Jul 2009 17:39:51 +0900
parents 4f5c64e713c7
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
192
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
1 /**
354
81b25e5d5379 add example/get_segment and change spe/DrawSpan.cpp
koba
parents: 192
diff changeset
2 * SPU Decrementerを用いた処理時間計測
192
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
3 */
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
4
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
5 #include "SpeProfile.h"
354
81b25e5d5379 add example/get_segment and change spe/DrawSpan.cpp
koba
parents: 192
diff changeset
6 /* DMA転送に関する関数を使用するために必要なインクルードファイル */
192
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
7 #include <spu_intrinsics.h>
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
8 #include <stdio.h>
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
9
354
81b25e5d5379 add example/get_segment and change spe/DrawSpan.cpp
koba
parents: 192
diff changeset
10 /* SPU Decrementerの初期値 */
192
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
11 #define SPU_DECREMENTER_INITIAL_VALUE 0x7FFFFFFFU
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
12
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
13 SpeProfile::SpeProfile(void): profile(0) {}
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
14
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
15 void SpeProfile::ProfStart(void)
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
16 {
354
81b25e5d5379 add example/get_segment and change spe/DrawSpan.cpp
koba
parents: 192
diff changeset
17 /* SPU Decrementerに初期値を設定 */
192
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
18 spu_writech(SPU_WrDec, SPU_DECREMENTER_INITIAL_VALUE);
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
19
354
81b25e5d5379 add example/get_segment and change spe/DrawSpan.cpp
koba
parents: 192
diff changeset
20 /* 計測開始時間をSPU Decrementerから読み取る */
192
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
21 profile = spu_readch(SPU_RdDec);
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
22 }
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
23
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
24 void SpeProfile::ProfStop(void)
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
25 {
354
81b25e5d5379 add example/get_segment and change spe/DrawSpan.cpp
koba
parents: 192
diff changeset
26 /* 計測終了時間をSPU Decrementerから読み取り, 計測開始時間との差を計算 */
192
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
27 profile -= spu_readch(SPU_RdDec);
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
28 }
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
29
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
30 void SpeProfile::ProfPrint(void)
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
31 {
354
81b25e5d5379 add example/get_segment and change spe/DrawSpan.cpp
koba
parents: 192
diff changeset
32 /* 処理時間を出力 */
192
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
33 printf("SPE time by SPU Decrementer: %f\n",
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
34 profile / 79800000.0f * 1000.0f);
4f5c64e713c7 add example/renew_task
gongo@localhost.localdomain
parents:
diff changeset
35 }