From ebeb0fbb178e85f596726f28760dc1d9c337351e Mon Sep 17 00:00:00 2001
From: Anton Ljungdahl <anton.ljungdahl@fysik.su.se>
Date: Thu, 26 Sep 2024 22:32:58 +0200
Subject: [PATCH] hello gpu world

---
 build.bat               |  19 +++++++++++++++++++
 src/cuda_entry_point.cu |  19 +++++++++++++++++++
 src/kernels.h           |   5 +++++
 src/main.c              |  17 +++++++++++++++++
 timeBuild.ctm           | Bin 0 -> 148 bytes
 5 files changed, 60 insertions(+)
 create mode 100644 build.bat
 create mode 100644 src/cuda_entry_point.cu
 create mode 100644 src/kernels.h
 create mode 100644 src/main.c
 create mode 100644 timeBuild.ctm

diff --git a/build.bat b/build.bat
new file mode 100644
index 0000000..a36d58b
--- /dev/null
+++ b/build.bat
@@ -0,0 +1,19 @@
+@echo off
+
+ctime -begin timeBuild.ctm
+
+@rem /WX /W4 /wd4201 /wd4100 /wd4189 /wd4244 /wd4127 /wd4456
+set CommonCompilerFlags="/nologo /Zi /FC"
+set CudaSources=../src/cuda_entry_point.cu
+set Sources=../src/main.c
+
+IF NOT EXIST .\build mkdir .\build
+pushd .\build
+nvcc -Xcompiler %CommonCompilerFlags% -o program.exe %Sources% %CudaSources%
+set LastError=%ERRORLEVEL%
+popd
+
+ctime -end timeBuild.ctm %LastError%
+IF NOT %LastError%==0 GOTO :end
+
+:end
diff --git a/src/cuda_entry_point.cu b/src/cuda_entry_point.cu
new file mode 100644
index 0000000..517bb6c
--- /dev/null
+++ b/src/cuda_entry_point.cu
@@ -0,0 +1,19 @@
+#include <stdio.h>
+
+#define no_name_mangle extern "C"
+
+
+
+__global__ void hello_from_GPU() {
+  printf("HELLO FROM GPUUUU");
+}
+
+
+
+no_name_mangle void cuda_entry_point() {
+
+  hello_from_GPU<<<1, 1>>>();
+
+
+  cudaDeviceSynchronize();
+}
diff --git a/src/kernels.h b/src/kernels.h
new file mode 100644
index 0000000..b7899cf
--- /dev/null
+++ b/src/kernels.h
@@ -0,0 +1,5 @@
+
+
+
+// Forward declarations
+void cuda_entry_point();
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..c66a48a
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,17 @@
+#include <stdlib.h>
+
+#include "kernels.h"
+
+
+
+int main() {
+
+  cuda_entry_point();
+
+
+  printf("hello");
+
+
+  return 0;
+}
+
diff --git a/timeBuild.ctm b/timeBuild.ctm
new file mode 100644
index 0000000000000000000000000000000000000000..b2cd111d4bbe92e61deb089de5c55311840e9804
GIT binary patch
literal 148
zcmcC7j63z~jI@q}z->lG1_p-HKzyZI$qU412C}CE1uL!xU3G@?cLT*9t1I0C@j>eI
zfLQp_);<>~e-4m8n}6Lr7~dbHK6={%7=ISfP^WpXPl5O#^S5v^Fx=95b_d4)&(6RA
E0Em$$xBvhE

literal 0
HcmV?d00001