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-rw-r--r--examples/heterogeneous_computing/.nix/derivation.nix39
-rw-r--r--examples/heterogeneous_computing/SConscript34
-rw-r--r--examples/heterogeneous_computing/SConstruct82
-rw-r--r--examples/heterogeneous_computing/heterogeneous_computing.cpp33
-rw-r--r--examples/poiseulle_2d_gpu/poiseulle_2d_gpu.cpp48
5 files changed, 210 insertions, 26 deletions
diff --git a/examples/heterogeneous_computing/.nix/derivation.nix b/examples/heterogeneous_computing/.nix/derivation.nix
new file mode 100644
index 0000000..48dfc7a
--- /dev/null
+++ b/examples/heterogeneous_computing/.nix/derivation.nix
@@ -0,0 +1,39 @@
+{ lib
+, stdenv
+, scons
+, clang-tools
+, forstio
+, pname
+, version
+, kel-lbm
+}:
+
+stdenv.mkDerivation {
+ pname = pname + "-examples-" + "heterogeneous_computing";
+ inherit version;
+ src = ./..;
+
+ nativeBuildInputs = [
+ scons
+ clang-tools
+ ];
+
+ buildInputs = [
+ forstio.core
+ forstio.async
+ forstio.io
+ forstio.io_codec
+ forstio.codec
+ forstio.codec-unit
+ forstio.codec-json
+ forstio.remote
+ forstio.remote-filesystem
+ forstio.remote-io
+ forstio.remote-sycl
+ kel-lbm.core
+ ];
+
+ preferLocalBuild = true;
+
+ outputs = [ "out" "dev" ];
+}
diff --git a/examples/heterogeneous_computing/SConscript b/examples/heterogeneous_computing/SConscript
new file mode 100644
index 0000000..1e52d88
--- /dev/null
+++ b/examples/heterogeneous_computing/SConscript
@@ -0,0 +1,34 @@
+#!/bin/false
+
+import os
+import os.path
+import glob
+
+
+Import('env')
+
+dir_path = Dir('.').abspath
+
+# Environment for base library
+examples_env = env.Clone();
+examples_env['CXX'] = 'syclcc-clang';
+examples_env['CXXFLAGS'] += ['-O3'];
+
+examples_env.sources = sorted(glob.glob(dir_path + "/*.cpp"))
+examples_env.headers = sorted(glob.glob(dir_path + "/*.hpp"))
+
+env.sources += examples_env.sources;
+env.headers += examples_env.headers;
+
+# Cavity2D
+examples_objects = [];
+examples_env.add_source_files(examples_objects, ['heterogeneous_computing.cpp'], shared=False);
+examples_env.heterogeneous_computing = examples_env.Program('#bin/heterogeneous_computing', [examples_objects]);
+
+# Set Alias
+env.examples = [
+ examples_env.heterogeneous_computing
+];
+env.Alias('examples', env.examples);
+env.targets += ['examples'];
+env.Install('$prefix/bin/', env.examples);
diff --git a/examples/heterogeneous_computing/SConstruct b/examples/heterogeneous_computing/SConstruct
new file mode 100644
index 0000000..fe206e1
--- /dev/null
+++ b/examples/heterogeneous_computing/SConstruct
@@ -0,0 +1,82 @@
+#!/usr/bin/env python3
+
+import sys
+import os
+import os.path
+import glob
+import re
+
+
+if sys.version_info < (3,):
+ def isbasestring(s):
+ return isinstance(s,basestring)
+else:
+ def isbasestring(s):
+ return isinstance(s, (str,bytes))
+
+def add_kel_source_files(self, sources, filetype, lib_env=None, shared=False, target_post=""):
+
+ if isbasestring(filetype):
+ dir_path = self.Dir('.').abspath
+ filetype = sorted(glob.glob(dir_path+"/"+filetype))
+
+ for path in filetype:
+ target_name = re.sub( r'(.*?)(\.cpp|\.c\+\+)', r'\1' + target_post, path )
+ if shared:
+ target_name+='.os'
+ sources.append( self.SharedObject( target=target_name, source=path ) )
+ else:
+ target_name+='.o'
+ sources.append( self.StaticObject( target=target_name, source=path ) )
+ pass
+
+def isAbsolutePath(key, dirname, env):
+ assert os.path.isabs(dirname), "%r must have absolute path syntax" % (key,)
+
+env_vars = Variables(
+ args=ARGUMENTS
+)
+
+env_vars.Add('prefix',
+ help='Installation target location of build results and headers',
+ default='/usr/local/',
+ validator=isAbsolutePath
+)
+
+env_vars.Add('build_examples',
+ help='If examples should be built',
+ default="true"
+)
+
+env=Environment(ENV=os.environ, variables=env_vars, CPPPATH=[],
+ CPPDEFINES=['SAW_UNIX'],
+ CXXFLAGS=[
+ '-std=c++20',
+ '-g',
+ '-Wall',
+ '-Wextra',
+ '-isystem', 'AdaptiveCpp'
+ ],
+ LIBS=[
+ 'forstio-core',
+ 'acpp-rt',
+ 'omp'
+ ]
+);
+env.__class__.add_source_files = add_kel_source_files
+env.Tool('compilation_db');
+env.cdb = env.CompilationDatabase('compile_commands.json');
+
+env.objects = [];
+env.sources = [];
+env.headers = [];
+env.targets = [];
+
+Export('env')
+SConscript('SConscript')
+
+env.Alias('cdb', env.cdb);
+env.Alias('all', [env.targets]);
+env.Default('all');
+
+env.Alias('install', '$prefix')
diff --git a/examples/heterogeneous_computing/heterogeneous_computing.cpp b/examples/heterogeneous_computing/heterogeneous_computing.cpp
new file mode 100644
index 0000000..990652a
--- /dev/null
+++ b/examples/heterogeneous_computing/heterogeneous_computing.cpp
@@ -0,0 +1,33 @@
+#include <forstio/error.hpp>
+#include <iostream>
+
+namespace kel {
+namespace sch {
+using namespace saw::schema;
+using KelConfig = Struct<
+ Member<String,"resolution">
+>;
+}
+
+saw::error_or<void> real_main(int argc, char** argv){
+ return saw::make_void();
+}
+}
+
+int main(int argc, char** argv){
+ auto eov = kel::kel_main(argc, argv);
+ if(eov.is_error()){
+ auto& err = eov.get_error();
+ auto err_msg = err.get_message();
+ std::cerr<<"[Error]: "<<err.get_category();
+
+ if(not err_msg.empty()){
+ std::cerr<<" - "<<err_msg;
+ }
+ std::cerr<<std::endl;
+
+ return err.get_id();
+ }
+
+ return 0;
+}
diff --git a/examples/poiseulle_2d_gpu/poiseulle_2d_gpu.cpp b/examples/poiseulle_2d_gpu/poiseulle_2d_gpu.cpp
index 56bcdaf..6dda469 100644
--- a/examples/poiseulle_2d_gpu/poiseulle_2d_gpu.cpp
+++ b/examples/poiseulle_2d_gpu/poiseulle_2d_gpu.cpp
@@ -70,6 +70,10 @@ saw::error_or<void> set_geometry(
acpp::sycl::queue& sycl_q
){
using namespace kel::lbm;
+
+ saw::data<sch::T> rho{1.0};
+ saw::data<sch::FixedArray<sch::T,sch::D2Q9::D>> vel{{0.0,0.0}};
+ auto eq = equilibrium<sch::T,sch::D2Q9>(rho, vel);
sycl_q.submit([&](acpp::sycl::handler& h){
h.parallel_for(acpp::sycl::range<2>{meta.at({0}).get(), meta.at({1}).get()},[=](acpp::sycl::id<2> idx){
@@ -79,6 +83,8 @@ saw::error_or<void> set_geometry(
size_t acc_id = j * meta.at({0u}).get() + i;
auto& c = cells[acc_id];
auto& info = c.template get<"info">()({0});
+ auto& dfs = c.template get<"dfs">();
+ auto& dfs_old = c.template get<"dfs_old">();
if(i >= 2u and j >= 2u and (i+2u) < meta.at({0u}).get() and (j+2u) < meta.at({1u}).get()){
// Fluid
@@ -95,23 +101,16 @@ saw::error_or<void> set_geometry(
}else {
info.set({0u});
}
+ for(saw::data<sch::UInt64> k{0u}; k < saw::data<sch::UInt64>{Desc::Q}; ++k){
+ dfs(k) = eq.at(k);
+ dfs_old(k) = eq.at(k);
+ }
});
});
- return saw::make_void();
-}
-
-void set_initial_conditions(
- saw::data<sch::CellStruct>* cells,
- const saw::data<sch::FixedArray<sch::UInt64,sch::D2Q9::D>>& meta,
- acpp::sycl::queue& sycl_q
-){
- using namespace kel::lbm;
-
- saw::data<sch::T> rho{1.0};
- saw::data<sch::FixedArray<sch::T,sch::D2Q9::D>> vel{{0.0,0.0}};
- auto eq = equilibrium<sch::T,sch::D2Q9>(rho, vel);
+ sycl_q.wait();
+ return saw::make_void();
}
void lbm_step(
@@ -178,26 +177,23 @@ saw::error_or<void> kel_main(int argc, char** argv){
}
}
- sycl_q.wait();
- sycl_q.memcpy(&host_cells[0u], cells, x_d * y_d * sizeof(saw::data<lbm::sch::CellStruct>) );
- sycl_q.wait();
- acpp::sycl::free(cells, sycl_q);
- sycl_q.wait();
-
std::string vtk_f_name{"tmp/poiseulle_2d_gpu_"};
vtk_f_name += std::to_string(0u) + ".vtk";
// write_vtk_file(vtk_f_name,host_cells);
- for(uint64_t i = 0u; i < x_d; ++i){
- for(uint64_t j = 0u; j < y_d; ++j){
+ for(uint64_t i = 0u; i < 1024u*1204u; ++i){
+ if(i%128u == 0u){
- size_t acc_id = j * x_d + i;
-
- std::cout<<static_cast<uint64_t>(host_cells.at(acc_id).template get<"info">()({0u}).get())<<" ";
}
- std::cout<<"\n";
+ lbm_step(cells,meta,i,sycl_q);
+
}
- std::cout<<std::endl;
+
+ sycl_q.wait();
+ sycl_q.memcpy(&host_cells[0u], cells, x_d * y_d * sizeof(saw::data<lbm::sch::CellStruct>) );
+ sycl_q.wait();
+ acpp::sycl::free(cells, sycl_q);
+ sycl_q.wait();
return saw::make_void();
}