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This commit is contained in:
choelzl
2022-04-07 18:46:57 +02:00
parent 88cb3426ad
commit 15e7120d6d
5316 changed files with 4563444 additions and 6 deletions
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63
cs440-acg/ext/tbb/examples/parallel_for/seismic/Makefile.windows Normal file
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# Copyright (c) 2005-2020 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Common Makefile that builds and runs example.
# Just specify your program basename
PROG=Seismic
ARGS=auto 0
PERF_RUN_ARGS=auto 10000 silent
LIGHT_ARGS=1:2 100
# Trying to find if icl.exe is set
CXX1 = $(TBB_CXX)-
CXX2 = $(CXX1:icl.exe-=icl.exe)
CXX = $(CXX2:-=cl.exe)
# Uncomment one of next lines to choose user interface type (console, gdiplus, direct draw)
#UI = con
UI = gdi
#UI = dd
# Machine architecture, auto-detected from TBB_TARGET_ARCH by default
# Use XARCH variable to change it. See index.html for more information
ARCH0 = $(TBB_TARGET_ARCH)-
ARCH1 = $(ARCH0:ia32-=x86)
ARCH2 = $(ARCH1:intel64-=AMD64)
XARCH = $(ARCH2:-=x86)
MAKEINC = ../../common/gui/Makefile.win
SOURCES = seismic_video.cpp universe.cpp main.cpp
all: release test
release: compiler_check
@$(MAKE) -f $(MAKEINC) UI=$(UI) CXX="$(CXX)" CXXFLAGS="$(CXXFLAGS)" LFLAGS="$(LDFLAGS) tbb.lib $(LIBS)" XARCH=$(XARCH) RCNAME=SeismicSimulation SOURCE="$(SOURCES)" EXE=$(PROG).exe build_one
debug: compiler_check
@$(MAKE) -f $(MAKEINC) UI=$(UI) DEBUG=_debug CXX="$(CXX)" CXXFLAGS="$(CXXFLAGS) /D TBB_USE_DEBUG" LFLAGS="$(LDFLAGS) tbb_debug.lib $(LIBS)" XARCH=$(XARCH) RCNAME=SeismicSimulation SOURCE="$(SOURCES)" EXE=$(PROG).exe build_one
clean:
@cmd.exe /C del $(PROG).exe *.obj *.?db *.manifest msvs\SeismicSimulation.res >nul 2>&1
test:
$(PROG) $(ARGS)
perf_build: compiler_check
@$(MAKE) -f $(MAKEINC) UI=con CXX="$(CXX)" CXXFLAGS="$(CXXFLAGS)" LFLAGS="$(LDFLAGS) tbb.lib $(LIBS)" XARCH=$(XARCH) RCNAME=SeismicSimulation SOURCE="$(SOURCES) " EXE=$(PROG).exe build_one
perf_run:
$(PROG) $(PERF_RUN_ARGS)
light_test:
$(PROG) $(LIGHT_ARGS)
compiler_check:
@echo compiler_test>compiler_test && @$(CXX) /E compiler_test >nul 2>&1 || echo "$(CXX) command not found. Check if CXX=$(CXX) is set properly"
@cmd.exe /C del compiler_test

134
cs440-acg/ext/tbb/examples/parallel_for/seismic/main.cpp Normal file
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/*
Copyright (c) 2005-2020 Intel Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#define VIDEO_WINMAIN_ARGS
#include <iostream>
#include "tbb/tick_count.h"
#include "tbb/global_control.h"
#include "../../common/utility/utility.h"
#include "../../common/utility/get_default_num_threads.h"
#include "seismic_video.h"
#include "universe.h"
Universe u;
struct RunOptions {
//! It is used for console mode for test with different number of threads and also has
//! meaning for GUI: threads.first - use separate event/updating loop thread (>0) or not (0).
//! threads.second - initialization value for scheduler
utility::thread_number_range threads;
int numberOfFrames;
bool silent;
bool parallel;
RunOptions(utility::thread_number_range threads_ , int number_of_frames_ , bool silent_ , bool parallel_ )
: threads(threads_),numberOfFrames(number_of_frames_), silent(silent_), parallel(parallel_)
{
}
};
RunOptions ParseCommandLine(int argc, char *argv[]){
// zero number of threads means to run serial version
utility::thread_number_range threads(utility::get_default_num_threads,0,utility::get_default_num_threads());
int numberOfFrames = 0;
bool silent = false;
bool serial = false;
utility::parse_cli_arguments(argc,argv,
utility::cli_argument_pack()
//"-h" option for displaying help is present implicitly
.positional_arg(threads,"n-of-threads",utility::thread_number_range_desc)
.positional_arg(numberOfFrames,"n-of-frames","number of frames the example processes internally (0 means unlimited)")
.arg(silent,"silent","no output except elapsed time")
.arg(serial,"serial","in GUI mode start with serial version of algorithm")
);
return RunOptions(threads,numberOfFrames,silent,!serial);
}
int main(int argc, char *argv[])
{
try{
tbb::tick_count mainStartTime = tbb::tick_count::now();
RunOptions options = ParseCommandLine(argc,argv);
SeismicVideo video(u,options.numberOfFrames,options.threads.last,options.parallel);
// video layer init
if(video.init_window(u.UniverseWidth, u.UniverseHeight)) {
video.calc_fps = true;
video.threaded = options.threads.first > 0;
// video is ok, init Universe
u.InitializeUniverse(video);
// main loop
video.main_loop();
}
else if(video.init_console()) {
// do console mode
if (options.numberOfFrames == 0) {
options.numberOfFrames = 1000;
std::cout << "Substituting 1000 for unlimited frames because not running interactively\n";
}
for(int p = options.threads.first; p <= options.threads.last; p = options.threads.step(p)) {
tbb::tick_count xwayParallelismStartTime = tbb::tick_count::now();
u.InitializeUniverse(video);
int numberOfFrames = options.numberOfFrames;
#if __TBB_MIC_OFFLOAD
drawing_memory dmem = video.get_drawing_memory();
char *pMem = dmem.get_address();
size_t memSize = dmem.get_size();
#pragma offload target(mic) in(u, numberOfFrames, p, dmem), out(pMem:length(memSize))
{
// It is necessary to update the pointer on mic
// since the address spaces on host and on target are different
dmem.set_address(pMem);
u.SetDrawingMemory(dmem);
#endif // __TBB_MIC_OFFLOAD
if (p==0) {
//run a serial version
for( int i=0; i<numberOfFrames; ++i ) {
u.SerialUpdateUniverse();
}
} else {
tbb::global_control c(tbb::global_control::max_allowed_parallelism, p);
for( int i=0; i<numberOfFrames; ++i ) {
u.ParallelUpdateUniverse();
}
}
#if __TBB_MIC_OFFLOAD
}
#endif // __TBB_MIC_OFFLOAD
if (!options.silent){
double fps = options.numberOfFrames/((tbb::tick_count::now()-xwayParallelismStartTime).seconds());
std::cout<<fps<<" frame per sec with ";
if (p==0){
std::cout<<"serial code\n";
}else{
std::cout<<p<<" way parallelism\n";
}
}
}
}
video.terminate();
utility::report_elapsed_time((tbb::tick_count::now() - mainStartTime).seconds());
return 0;
}catch(std::exception& e){
std::cerr<<"error occurred. error text is :\"" <<e.what()<<"\"\n";
return 1;
}
}

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cs440-acg/ext/tbb/examples/parallel_for/seismic/msvs/SeismicSimulation.rc Normal file
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// Microsoft Visual C++ generated resource script.
//
#include "resource.h"
#define APSTUDIO_READONLY_SYMBOLS
/////////////////////////////////////////////////////////////////////////////
//
// Generated from the TEXTINCLUDE 2 resource.
//
#define APSTUDIO_HIDDEN_SYMBOLS
#include "windows.h"
#undef APSTUDIO_HIDDEN_SYMBOLS
/////////////////////////////////////////////////////////////////////////////
#undef APSTUDIO_READONLY_SYMBOLS
/////////////////////////////////////////////////////////////////////////////
// English (U.S.) resources
#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
#ifdef _WIN32
LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
#pragma code_page(1252)
#endif //_WIN32
/////////////////////////////////////////////////////////////////////////////
//
// Icon
//
// Icon with lowest ID value placed first to ensure application icon
// remains consistent on all systems.
IDI_SEISMICSIMULATION ICON "SeismicSimulation.ico"
IDI_SMALL ICON "small.ico"
/////////////////////////////////////////////////////////////////////////////
//
// Menu
//
IDC_SEISMICSIMULATION MENU
BEGIN
POPUP "&File"
BEGIN
MENUITEM "&Parallel", ID_FILE_PARALLEL
MENUITEM "&Serial", ID_FILE_SERIAL
MENUITEM SEPARATOR
MENUITEM "&Enable GUI", ID_FILE_ENABLEGUI
MENUITEM "&Disable GUI", ID_FILE_DISABLEGUI
MENUITEM SEPARATOR
MENUITEM "E&xit", IDM_EXIT
END
POPUP "&Help"
BEGIN
MENUITEM "&About ...", IDM_ABOUT
END
END
/////////////////////////////////////////////////////////////////////////////
//
// Accelerator
//
IDC_SEISMICSIMULATION ACCELERATORS
BEGIN
VK_OEM_2, IDM_ABOUT, VIRTKEY, ALT, NOINVERT
"P", ID_FILE_PARALLEL, VIRTKEY, ALT, NOINVERT
"S", ID_FILE_SERIAL, VIRTKEY, ALT, NOINVERT
"D", ID_FILE_DISABLEGUI, VIRTKEY, ALT, NOINVERT
"E", ID_FILE_ENABLEGUI, VIRTKEY, ALT, NOINVERT
END
/////////////////////////////////////////////////////////////////////////////
//
// Dialog
//
IDD_ABOUTBOX DIALOG 22, 17, 230, 75
STYLE DS_SETFONT | DS_MODALFRAME | WS_CAPTION | WS_SYSMENU
CAPTION "About"
FONT 8, "System"
BEGIN
ICON IDI_SEISMICSIMULATION,IDC_MYICON,14,9,16,16
LTEXT "SeismicSimulation Version 1.1",IDC_STATIC,49,10,119,8,SS_NOPREFIX
LTEXT "Copyright (C) 2005-2008",IDC_STATIC,49,20,119,8
DEFPUSHBUTTON "OK",IDOK,195,6,30,11,WS_GROUP
END
#ifdef APSTUDIO_INVOKED
/////////////////////////////////////////////////////////////////////////////
//
// TEXTINCLUDE
//
1 TEXTINCLUDE
BEGIN
"resource.h\0"
END
2 TEXTINCLUDE
BEGIN
"#define APSTUDIO_HIDDEN_SYMBOLS\r\n"
"#include ""windows.h""\r\n"
"#undef APSTUDIO_HIDDEN_SYMBOLS\r\n"
"\0"
END
3 TEXTINCLUDE
BEGIN
"\r\n"
"\0"
END
#endif // APSTUDIO_INVOKED
/////////////////////////////////////////////////////////////////////////////
//
// String Table
//
STRINGTABLE
BEGIN
IDS_APP_TITLE "SeismicSimulation"
IDC_SEISMICSIMULATION "SEISMICSIMULATION"
END
#endif // English (U.S.) resources
/////////////////////////////////////////////////////////////////////////////
#ifndef APSTUDIO_INVOKED
/////////////////////////////////////////////////////////////////////////////
//
// Generated from the TEXTINCLUDE 3 resource.
//
/////////////////////////////////////////////////////////////////////////////
#endif // not APSTUDIO_INVOKED

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cs440-acg/ext/tbb/examples/parallel_for/seismic/msvs/resource.h Normal file
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/*
Copyright (c) 2005-2020 Intel Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
//{{NO_DEPENDENCIES}}
// Microsoft Visual C++ generated include file.
// Used by SeismicSimulation.rc
//
#define IDC_MYICON 2
#define IDD_SEISMICSIMULATION_DIALOG 102
#define IDS_APP_TITLE 103
#define IDD_ABOUTBOX 103
#define IDM_ABOUT 104
#define IDM_EXIT 105
#define IDI_SEISMICSIMULATION 107
#define IDI_SMALL 108
#define IDC_SEISMICSIMULATION 109
#define IDR_MAINFRAME 128
#define ID_FILE_PARALLEL 32771
#define ID_FILE_SERIAL 32772
#define IDM_PARALLEL 32773
#define ID_FILE_ENABLEGUI 32774
#define ID_FILE_DISABLEGUI 32775
#define IDC_STATIC -1
// Next default values for new objects
//
#ifdef APSTUDIO_INVOKED
#ifndef APSTUDIO_READONLY_SYMBOLS
#define _APS_NO_MFC 1
#define _APS_NEXT_RESOURCE_VALUE 129
#define _APS_NEXT_COMMAND_VALUE 32782
#define _APS_NEXT_CONTROL_VALUE 1000
#define _APS_NEXT_SYMED_VALUE 110
#endif
#endif

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471
cs440-acg/ext/tbb/examples/parallel_for/seismic/readme.html Normal file
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background: #b7ffb7;
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font-family: Arial, Helvetica, sans-serif;
font-size: 16px;
width: 800px;
margin: 0 auto;
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/* Div for banner */
float:left;
margin: 0px;
margin-bottom: 10px;
width: 100%;
background-color: #0071C5;
z-index: 0;
}
#banner .logo {
/* Apply to logo in banner. Add as class to image tag. */
float: left;
margin-right: 20px;
margin-left: 20px;
margin-top: 15px;
padding-bottom: 5px;
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h1 {
text-align: center;
font-size: 36px;
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h1.title {
/* Add as class to H1 in banner */
font-family: "Intel Clear", Verdana, Arial, sans-serif;
font-weight:normal;
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pre {
font-family: "Consolas", Monaco, monospace;
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#footer {
font-size: small;
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code {
font-family: "Consolas", Monaco, monospace;
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.code-block
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padding-left:20px;
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.changes {
margin: 1em 0;
}
.changes input:active {
position: relative;
top: 1px;
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.changes input:hover:after {
padding-left: 16px;
font-size: 10px;
content: 'More';
}
.changes input:checked:hover:after {
content: 'Less';
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.changes input + .show-hide {
display: none;
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.changes input:checked + .show-hide {
display: block;
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ul {
margin: 0;
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ul li {
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.disc {
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/* ------------------------------------------------- */
/* Table styles */
table{
margin-bottom:5pt;
border-collapse:collapse;
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<title>Intel&reg; Threading Building Blocks. Seismic sample</title>
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XtcBxq3pvL6p6mFftlFUE+i8JPxRCRGoawVbcVepGcF4V4eTGPNPHv+7NjUGAhzmQOl20fyhphlg
T4CxLcQw9WC9Gxb3P4Q37NY4CHJXCuhSW3JnwEXs0qNgSHqVbw210ZP2XwK0A65/6C6NgziaAU5X
wCIUHB4H86227gKH1+JtL3gd1N5sCdACbgZo5rtgnQKx+hLs/ixsdjBXBd2TtyKNhUOp1/dprgMQ
rx9x16fcn1KbttrIyf9OkICWw1KApvY2YyXbpSBobKf7OGXApFtI+5d3Qq1BDoL6V87GcDVc9Ivq
E4D+bjTQbc1i9demreDu8Ch0ffG6hdnmDMrvFbsSsAXczIGk3fwb4VYe+pwBB9Angkd83ADtqgkq
AjetdTTV1icDlfl+Qi3AP4elHEjaDXscHgFjPdNt4ID6S9B9sNLiKoelmuFuJbCpDJi+hvqz2qFw
iIfWc2AQusxPgvq484vH2eUgtpYHH0Hteeqb75ZwMQ+j+cDg9PlwFDwd6o9sr0KtbWI/tSPgp32M
76H+s6mNX3030df5neGq1OtbZDUbOIlFoFaha0L9j0qfCHeAerDqVtODU8+hNThZfR1fHHbpG6kx
9Or1LzUmVVz+HJXDAAAAAElFTkSuQmCC">
<h1 class="title">Intel&reg; Threading Building Blocks.<br>Seismic sample</h1>
</div>
<p>
Parallel seismic wave simulation that demonstrates use of parallel_for and affinity_partitioner.
<br><br>
The example can be built in the offload version to run on Intel&reg; Many Integrated Core (Intel&reg; MIC) Architecture based coprocessor (see <a href="../../index.html">build instructions</a>).
<br><br>
<b>Note:</b> Currently, the offload version does not support GUI and can only be used with console mode.
</p>
<div class="changes">
<div class="h3-alike">System Requirements</div>
<input type="checkbox">
<div class="show-hide">
<p>
For the most up to date system requirements, see the <a href="http://software.intel.com/en-us/articles/intel-threading-building-blocks-release-notes">release notes.</a>
</p>
</div>
</div>
<div class="changes">
<div class="h3-alike">Files</div>
<input type="checkbox" checked="checked">
<div class="show-hide">
<dl>
<dt><a href="main.cpp">main.cpp</a>
<dd>Main program which parses command line options and runs the algorithm with different numbers of threads.
<dt><a href="universe.h">universe.h</a>
<dd>Wave propagation methods interface.
<dt><a href="universe.cpp">universe.cpp</a>
<dd>Wave propagation methods implementation.
<dt><a href="seismic_video.h">seismic_video.h</a>
<dd>GUI mode support interface.
<dt><a href="seismic_video.cpp">seismic_video.cpp</a>
<dd>GUI mode support implementation.
<dt><a href="Makefile">Makefile</a>
<dd>Makefile for building the example.
</dl>
</div>
</div>
<div class="changes">
<div class="h3-alike">Directories</div>
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<div class="show-hide">
<dl>
<dt><a href="msvs/">msvs</a>
<dd>Contains Microsoft* Visual Studio* workspace for building and running the example (Windows* systems only).
<dt><a href="xcode/">xcode</a>
<dd>Contains Xcode* IDE workspace for building and running the example (macOS* systems only).
</dl>
<p>For information about the minimum supported version of IDE, see <a href="http://software.intel.com/en-us/articles/intel-threading-building-blocks-release-notes">release notes.</a></p>
</div>
</div>
<div class="changes">
<div class="h3-alike">Build instructions</div>
<input type="checkbox" checked="checked">
<div class="show-hide">
<p>General build directions can be found <a href="../../index.html">here</a>.</p>
<p>The following additional options are supported:</p>
<dl>
<dt><tt>make [(general targets: {release, debug} [test])] UI={con, gdi, d2d, x, mac}</tt>
<dd>Build and run as usual, but build with the specified GUI driver: console, GDI+*,
Direct2D*, X11, or OpenGL*
(see the description of the <a href="../../common/index.html">common GUI code</a>
for more information on available graphics support).<br>
For Linux* and macOS* systems, the best available driver is detected automatically by the Makefile.<br>
For Windows* systems, UI=gdi is the default GUI driver; compiling with UI=d2d may offer superior
performance, but can only be used if the Microsoft* DirectX* SDK is installed on your system
and if overlay is supported by your graphics card.<br>
Use UI=con to build without the GUI for use in making performance measurements
<i>(strongly recommended when measuring performance or scalability; see note below)</i>.
<dt><tt>make [(above options or targets)] XARCH=x64</tt>
<dd>Build and run as above, but also specify XARCH=x64
(or XARCH=AMD64 for older compilers) when building the example on Windows* as a 64-bit binary.
<dt><tt>make [(above options or targets)] DDLIB_DIR=&lt;<i>specify path to Direct Draw* SDK here</i>&gt;</tt>
<dd>If you experience ddraw.lib linking problems, specify the correct library directory via this option.
<dt><tt>make [(above options or targets)] CXXFLAGS=-DX_FULLSYNC</tt>
<dd>Build and run as above, but enable full X11 synchronization if you experience "tearing" of motion on slower video systems.
</dl>
</div>
</div>
<div class="changes">
<div class="h3-alike">Usage</div>
<input type="checkbox" checked="checked">
<div class="show-hide">
<dl>
<dt><tt>seismic <i>-h</i></tt>
<dd>Prints the help for command line options
<dt><tt>seismic [<i>n-of-threads</i>=value] [<i>n-of-frames</i>=value] [<i>silent</i>] [<i>serial</i>]</tt>
<dt><tt>seismic [<i>n-of-threads</i> [<i>n-of-frames</i>]] [<i>silent</i>] [<i>serial</i>]</tt>
<dd><i>n-of-threads</i> is the number of threads to use; a range of the form low[:high], where low and optional high are non-negative integers or 'auto' for a platform-specific default number.<br>
<i>n-of-frames</i> is a number of frames the example processes internally.<br>
<i>silent</i> - no output except elapsed time.<br>
<i>serial</i> - in GUI mode start with serial version of algorithm.<br>
<dt>To run a short version of this example, e.g., for use with Intel&reg; Parallel Inspector::
<dd>Build a <i>debug</i> version of the example
(see the <a href="../../index.html">build instructions</a>).
<br>Run it with the desired number of threads and smaller number of frames, e.g., <tt>seismic 4 5</tt>.
</dl>
</div>
</div>
<div class="changes">
<div class="h3-alike">Hot keys</div>
<input type="checkbox" checked="checked">
<div class="show-hide">
<p>
The following hot keys can be used in interactive execution mode when the example is compiled with the graphical
user interface:
</p>
<dl>
<dt>&lt;left mouse button&gt;
<dd>Starts new seismic wave in place specified by mouse cursor.
<dt>&lt;space&gt;
<dd>Toggles between parallel and serial execution modes.
<dt>&lt;p&gt;
<dd>Enables parallel execution mode.
<dt>&lt;s&gt;
<dd>Enables serial execution mode.
<dt>&lt;e&gt;
<dd>Enables screen updates.
<dt>&lt;d&gt;
<dd>Disables screen updates <i>(strongly recommended when measuring performance or scalability; see note below)</i>.
<dt>&lt;esc&gt;
<dd>Stops execution.
</dl>
</div>
</div>
<div class="changes">
<div class="h3-alike">Notes</div>
<input type="checkbox" checked="checked">
<div class="show-hide">
<ul>
<li>While running with the GUI display turned on should yield reasonable performance in most cases, <i>running with the GUI
display turned off is strongly recommended</i> in order to demonstrate the full performance and scalability of the example.
</ul>
</div>
</div>
<br>
<a href="../index.html">Up to parent directory</a>
<hr>
<div class="changes">
<div class="h3-alike">Legal Information</div>
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<p>
Intel and the Intel logo are trademarks of Intel Corporation in the U.S. and/or other countries.
<br>* Other names and brands may be claimed as the property of others.
<br>&copy; 2020, Intel Corporation
</p>
</div>
</div>
</body>
</html>

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/*
Copyright (c) 2005-2020 Intel Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include "seismic_video.h"
#include "universe.h"
#include "tbb/global_control.h"
const char * const SeismicVideo::titles[2] = {"Seismic Simulation: Serial", "Seismic Simulation: Parallel"};
void SeismicVideo::on_mouse(int x, int y, int key) {
if(key == 1){
u_.TryPutNewPulseSource(x,y);
}
}
void SeismicVideo::on_key(int key) {
key &= 0xff;
if(char(key) == ' ') initIsParallel = !initIsParallel;
else if(char(key) == 'p') initIsParallel = true;
else if(char(key) == 's') initIsParallel = false;
else if(char(key) == 'e') updating = true;
else if(char(key) == 'd') updating = false;
else if(key == 27) running = false;
title = titles[initIsParallel?1:0];
}
void SeismicVideo::on_process() {
tbb::global_control c(tbb::global_control::max_allowed_parallelism, threadsHigh);
for( int frames = 0; numberOfFrames_==0 || frames<numberOfFrames_; ++frames ) {
if( initIsParallel )
u_.ParallelUpdateUniverse();
else
u_.SerialUpdateUniverse();
if( !next_frame() ) break;
}
}
#ifdef _WINDOWS
#include "msvs/resource.h"
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
SeismicVideo * gVideo = NULL;
#endif
SeismicVideo::SeismicVideo( Universe &u, int number_of_frames, int threads_high, bool init_is_parallel)
:numberOfFrames_(number_of_frames),initIsParallel(init_is_parallel),u_(u),threadsHigh(threads_high)
{
title = titles[initIsParallel?1:0];
#ifdef _WINDOWS
gVideo = this;
LoadStringA(video::win_hInstance, IDC_SEISMICSIMULATION, szWindowClass, MAX_LOADSTRING);
memset(&wcex, 0, sizeof(wcex));
wcex.lpfnWndProc = (WNDPROC)WndProc;
wcex.hIcon = LoadIcon(video::win_hInstance, MAKEINTRESOURCE(IDI_SEISMICSIMULATION));
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = LPCTSTR(IDC_SEISMICSIMULATION);
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(video::win_hInstance, MAKEINTRESOURCE(IDI_SMALL));
win_set_class(wcex); // ascii convention here
win_load_accelerators(IDC_SEISMICSIMULATION);
#endif
}
#ifdef _WINDOWS
//
// FUNCTION: WndProc(HWND, unsigned, WORD, LONG)
//
// PURPOSE: Processes messages for the main window.
//
// WM_COMMAND - process the application menu
// WM_PAINT - Paint the main window
// WM_DESTROY - post a quit message and return
//
//
LRESULT CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_INITDIALOG: return TRUE;
case WM_COMMAND:
if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) {
EndDialog(hDlg, LOWORD(wParam));
return TRUE;
}
break;
}
return FALSE;
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId;
switch (message) {
case WM_COMMAND:
wmId = LOWORD(wParam);
// Parse the menu selections:
switch (wmId)
{
case IDM_ABOUT:
DialogBox(video::win_hInstance, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, (DLGPROC)About);
break;
case IDM_EXIT:
PostQuitMessage(0);
break;
case ID_FILE_PARALLEL:
gVideo->on_key('p');
break;
case ID_FILE_SERIAL:
gVideo->on_key('s');
break;
case ID_FILE_ENABLEGUI:
gVideo->on_key('e');
break;
case ID_FILE_DISABLEGUI:
gVideo->on_key('d');
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
#endif

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/*
Copyright (c) 2005-2020 Intel Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#ifndef SEISMIC_VIDEO_H_
#define SEISMIC_VIDEO_H_
#include "../../common/gui/video.h"
class Universe;
class SeismicVideo : public video
{
#ifdef _WINDOWS
#define MAX_LOADSTRING 100
TCHAR szWindowClass[MAX_LOADSTRING]; // the main window class name
WNDCLASSEX wcex;
#endif
static const char * const titles[2];
bool initIsParallel ;
Universe &u_;
int numberOfFrames_; // 0 means forever, positive means number of frames, negative is undefined
int threadsHigh;
private:
void on_mouse(int x, int y, int key);
void on_process();
#ifdef _WINDOWS
public:
#endif
void on_key(int key);
public:
SeismicVideo( Universe &u,int numberOfFrames, int threadsHigh, bool initIsParallel=true);
};
#endif /* SEISMIC_VIDEO_H_ */

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/*
Copyright (c) 2005-2020 Intel Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include "../../common/gui/video.h"
#include <cmath>
#include "tbb/blocked_range.h"
#include "tbb/parallel_for.h"
using namespace std;
#ifdef _MSC_VER
// warning C4068: unknown pragma
#pragma warning(disable: 4068)
// warning C4351: new behavior: elements of array 'array' will be default initialized
#pragma warning(disable: 4351)
#endif
#include "universe.h"
const colorcomp_t MaterialColor[4][3] = { // BGR
{96,0,0}, // WATER
{0,48,48}, // SANDSTONE
{32,32,23} // SHALE
};
void Universe::InitializeUniverse(video const& colorizer) {
pulseCounter = pulseTime = 100;
pulseX = UniverseWidth/3;
pulseY = UniverseHeight/4;
// Initialize V, S, and T to slightly non-zero values, in order to avoid denormal waves.
for( int i=0; i<UniverseHeight; ++i )
#pragma ivdep
for( int j=0; j<UniverseWidth; ++j ) {
T[i][j] = S[i][j] = V[i][j] = ValueType(1.0E-6);
}
for( int i=1; i<UniverseHeight-1; ++i ) {
for( int j=1; j<UniverseWidth-1; ++j ) {
float x = float(j-UniverseWidth/2)/(UniverseWidth/2);
ValueType t = (ValueType)i/UniverseHeight;
MaterialType m;
D[i][j] = 1.0;
// Coefficient values are fictitious, and chosen to visually exaggerate
// physical effects such as Rayleigh waves. The fabs/exp line generates
// a shale layer with a gentle upwards slope and an anticline.
if( t<0.3f ) {
m = WATER;
M[i][j] = 0.125;
L[i][j] = 0.125;
} else if( fabs(t-0.7+0.2*exp(-8*x*x)+0.025*x)<=0.1 ) {
m = SHALE;
M[i][j] = 0.5;
L[i][j] = 0.6;
} else {
m = SANDSTONE;
M[i][j] = 0.3;
L[i][j] = 0.4;
}
material[i][j] = m;
}
}
ValueType scale = 2.0f/ColorMapSize;
for( int k=0; k<4; ++k ) {
for( int i=0; i<ColorMapSize; ++i ) {
colorcomp_t c[3];
ValueType t = (i-ColorMapSize/2)*scale;
ValueType r = t>0 ? t : 0;
ValueType b = t<0 ? -t : 0;
ValueType g = 0.5f*fabs(t);
memcpy(c, MaterialColor[k], sizeof(c));
c[2] = colorcomp_t(r*(255-c[2])+c[2]);
c[1] = colorcomp_t(g*(255-c[1])+c[1]);
c[0] = colorcomp_t(b*(255-c[0])+c[0]);
ColorMap[k][i] = colorizer.get_color(c[2], c[1], c[0]);
}
}
// Set damping coefficients around border to reduce reflections from boundaries.
ValueType d = 1.0;
for( int k=DamperSize-1; k>0; --k ) {
d *= 1-1.0f/(DamperSize*DamperSize);
for( int j=1; j<UniverseWidth-1; ++j ) {
D[k][j] *= d;
D[UniverseHeight-1-k][j] *= d;
}
for( int i=1; i<UniverseHeight-1; ++i ) {
D[i][k] *= d;
D[i][UniverseWidth-1-k] *= d;
}
}
drawingMemory = colorizer.get_drawing_memory();
}
void Universe::UpdatePulse() {
if( pulseCounter>0 ) {
ValueType t = (pulseCounter-pulseTime/2)*0.05f;
V[pulseY][pulseX] += 64*sqrt(M[pulseY][pulseX])*exp(-t*t);
--pulseCounter;
}
}
struct Universe::Rectangle {
struct std::pair<int,int> xRange;
struct std::pair<int,int> yRange;
Rectangle (int startX, int startY, int width, int height):xRange(startX,width),yRange(startY,height){}
int StartX() const {return xRange.first;}
int StartY() const {return yRange.first;}
int Width() const {return xRange.second;}
int Height() const {return yRange.second;}
int EndX() const {return xRange.first + xRange.second;}
int EndY() const {return yRange.first + yRange.second;}
};
void Universe::UpdateStress(Rectangle const& r ) {
drawing_area drawing(r.StartX(),r.StartY(),r.Width(),r.Height(),drawingMemory);
for( int i=r.StartY(); i<r.EndY() ; ++i ) {
drawing.set_pos(1, i-r.StartY());
#pragma ivdep
for( int j=r.StartX(); j<r.EndX() ; ++j ) {
S[i][j] += M[i][j]*(V[i][j+1]-V[i][j]);
T[i][j] += M[i][j]*(V[i+1][j]-V[i][j]);
int index = (int)(V[i][j]*(ColorMapSize/2)) + ColorMapSize/2;
if( index<0 ) index = 0;
if( index>=ColorMapSize ) index = ColorMapSize-1;
color_t* c = ColorMap[material[i][j]];
drawing.put_pixel(c[index]);
}
}
}
void Universe::SerialUpdateStress() {
Rectangle area(0, 0, UniverseWidth-1, UniverseHeight-1);
UpdateStress(area);
}
struct UpdateStressBody {
Universe & u_;
UpdateStressBody(Universe & u):u_(u){}
void operator()( const tbb::blocked_range<int>& range ) const {
Universe::Rectangle area(0, range.begin(), u_.UniverseWidth-1, range.size());
u_.UpdateStress(area);
}
};
void Universe::ParallelUpdateStress(tbb::affinity_partitioner &affinity) {
tbb::parallel_for( tbb::blocked_range<int>( 0, UniverseHeight-1 ), // Index space for loop
UpdateStressBody(*this), // Body of loop
affinity ); // Affinity hint
}
void Universe::UpdateVelocity(Rectangle const& r) {
for( int i=r.StartY(); i<r.EndY(); ++i )
#pragma ivdep
for( int j=r.StartX(); j<r.EndX(); ++j )
V[i][j] = D[i][j]*(V[i][j] + L[i][j]*(S[i][j] - S[i][j-1] + T[i][j] - T[i-1][j]));
}
void Universe::SerialUpdateVelocity() {
UpdateVelocity(Rectangle(1,1,UniverseWidth-1,UniverseHeight-1));
}
struct UpdateVelocityBody {
Universe & u_;
UpdateVelocityBody(Universe & u):u_(u){}
void operator()( const tbb::blocked_range<int>& y_range ) const {
u_.UpdateVelocity(Universe::Rectangle(1,y_range.begin(),u_.UniverseWidth-1,y_range.size()));
}
};
void Universe::ParallelUpdateVelocity(tbb::affinity_partitioner &affinity) {
tbb::parallel_for( tbb::blocked_range<int>( 1, UniverseHeight ), // Index space for loop
UpdateVelocityBody(*this), // Body of loop
affinity ); // Affinity hint
}
void Universe::SerialUpdateUniverse() {
UpdatePulse();
SerialUpdateStress();
SerialUpdateVelocity();
}
void Universe::ParallelUpdateUniverse() {
/** Affinity is an argument to parallel_for to hint that an iteration of a loop
is best replayed on the same processor for each execution of the loop.
It is a static object because it must remember where the iterations happened
in previous executions. */
static tbb::affinity_partitioner affinity;
UpdatePulse();
ParallelUpdateStress(affinity);
ParallelUpdateVelocity(affinity);
}
bool Universe::TryPutNewPulseSource(int x, int y){
if(pulseCounter == 0) {
pulseCounter = pulseTime;
pulseX = x; pulseY = y;
return true;
}
return false;
}
void Universe::SetDrawingMemory(const drawing_memory &dmem) {
drawingMemory = dmem;
}

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/*
Copyright (c) 2005-2020 Intel Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#ifndef UNIVERSE_H_
#define UNIVERSE_H_
#ifndef UNIVERSE_WIDTH
#define UNIVERSE_WIDTH 1024
#endif
#ifndef UNIVERSE_HEIGHT
#define UNIVERSE_HEIGHT 512
#endif
#include "../../common/gui/video.h"
#include "tbb/partitioner.h"
class Universe {
public:
enum {
UniverseWidth = UNIVERSE_WIDTH,
UniverseHeight = UNIVERSE_HEIGHT
};
private:
//in order to avoid performance degradation due to cache aliasing issue
//some padding is needed after each row in array, and between array themselves.
//the padding is achieved by adjusting number of rows and columns.
//as the compiler is forced to place class members of the same clause in order of the
//declaration this seems to be the right way of padding.
//magic constants added below are chosen experimentally for 1024x512.
enum {
MaxWidth = UniverseWidth+1,
MaxHeight = UniverseHeight+3
};
typedef float ValueType;
//! Horizontal stress
ValueType S[MaxHeight][MaxWidth];
//! Velocity at each grid point
ValueType V[MaxHeight][MaxWidth];
//! Vertical stress
ValueType T[MaxHeight][MaxWidth];
//! Coefficient related to modulus
ValueType M[MaxHeight][MaxWidth];
//! Damping coefficients
ValueType D[MaxHeight][MaxWidth];
//! Coefficient related to lightness
ValueType L[MaxHeight][MaxWidth];
enum { ColorMapSize = 1024};
color_t ColorMap[4][ColorMapSize];
enum MaterialType {
WATER=0,
SANDSTONE=1,
SHALE=2
};
//! Values are MaterialType, cast to an unsigned char to save space.
unsigned char material[MaxHeight][MaxWidth];
private:
enum { DamperSize = 32};
int pulseTime;
int pulseCounter;
int pulseX;
int pulseY;
drawing_memory drawingMemory;
public:
void InitializeUniverse(video const& colorizer);
void SerialUpdateUniverse();
void ParallelUpdateUniverse();
bool TryPutNewPulseSource(int x, int y);
void SetDrawingMemory(const drawing_memory &dmem);
private:
struct Rectangle;
void UpdatePulse();
void UpdateStress(Rectangle const& r );
void SerialUpdateStress() ;
friend struct UpdateStressBody;
friend struct UpdateVelocityBody;
void ParallelUpdateStress(tbb::affinity_partitioner &affinity);
void UpdateVelocity(Rectangle const& r);
void SerialUpdateVelocity() ;
void ParallelUpdateVelocity(tbb::affinity_partitioner &affinity);
};
#endif /* UNIVERSE_H_ */

586
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