added sample for how-to-use pre-compiled kernels1. Corrected the exit output of kernel compilation by hipcc

2. Added sample which loads/run kernel binary during runtime? Change-Id: I26ccaca1f844fee317592e26c9e654ce548b96a8 [ROCm/hip-tests commit: c1b1086c71]
2016-08-31 13:56:07 -05:00
@@ -0,0 +1,19 @@
+HIP_PATH?= $(wildcard /opt/rocm/hip)
+ifeq (,$(HIP_PATH))
+	HIP_PATH=../../..
+endif
+HIPCC=$(HIP_PATH)/bin/hipcc
+
+all: vcpy_isa.compile runKernel.hip.out
+
+runKernel.cuda.out: runKernel.cpp
+	nvcc runKernel.cpp -o $@
+
+vcpy_isa.compile: vcpy_isa.cpp
+	$(HIPCC) --genisa --target-isa=fiji vcpy_isa.cpp -o vcpy_isa.co	
+
+runKernel.hip.out: runKernel.cpp
+	$(HIPCC) runKernel.cpp -o runKernel.hip.out
+
+clean:
+	rm -f *.co *.out
@@ -0,0 +1,105 @@
+/*
+Copyright (c) 2015-2016 Advanced Micro Devices, Inc. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANNTY OF ANY KIND, EXPRESS OR
+IMPLIED, INNCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANNY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER INN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR INN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#include<hip_runtime.h>
+#include<hip_runtime_api.h>
+#include<iostream>
+#include<fstream>
+#include<vector>
+
+#define LEN 64
+#define SIZE LEN<<2
+
+#ifdef __HIP_PLATFORM_HCC__ 
+#define fileName "vcpy_isa.co"
+#define kernel_name "ZN12_GLOBAL__N_146_Z11hello_world16grid_launch_parmPfS0__functor19__cxxamp_trampolineEiiiiiiPKfPf"
+#endif
+
+#ifdef __HIP_PLATFORM_NVCC__
+#define fileName "vcpy_isa.ptx"
+#define kernel_name "hello_world"
+#endif
+
+int main(){
+    float *A, *B;
+    hipDeviceptr_t Ad, Bd;
+    A = new float[LEN];
+    B = new float[LEN];
+
+    for(uint32_t i=0;i<LEN;i++){
+        A[i] = i*1.0f;
+        B[i] = 0.0f;
+    }
+
+
+#ifdef __HIP_PLATFORM_NVCC__
+  	hipInit(0);
+	  hipDevice_t device;
+	  hipCtx_t context;
+	  hipDeviceGet(&device, 0);
+	  hipCtxCreate(&context, 0, device);
+#endif
+
+    hipMalloc((void**)&Ad, SIZE);
+    hipMalloc((void**)&Bd, SIZE);
+
+    hipMemcpyHtoD(Ad, A, SIZE);
+    hipMemcpyHtoD(Bd, B, SIZE);
+    hipModule_t Module;
+    hipFunction_t Function;
+    hipModuleLoad(&Module, fileName);
+    hipModuleGetFunction(&Function, Module, kernel_name);
+
+  uint32_t len = LEN;
+  uint32_t one = 1;
+
+    std::vector<void*>argBuffer(5);
+    uint32_t *ptr32_t = (uint32_t*)&argBuffer[0];
+    memcpy(ptr32_t + 0, &one, sizeof(uint32_t));
+    memcpy(ptr32_t + 1, &one, sizeof(uint32_t));
+    memcpy(ptr32_t + 2, &one, sizeof(uint32_t));
+    memcpy(ptr32_t + 3, &len, sizeof(uint32_t));
+    memcpy(ptr32_t + 4, &one, sizeof(uint32_t));
+    memcpy(ptr32_t + 5, &one, sizeof(uint32_t));
+    memcpy(&argBuffer[3], &Ad, sizeof(void*));
+    memcpy(&argBuffer[4], &Bd, sizeof(void*));
+
+
+
+    size_t size = argBuffer.size()*sizeof(void*);
+
+    void *config[] = {
+      HIP_LAUNCH_PARAM_BUFFER_POINTER, &argBuffer[0],
+      HIP_LAUNCH_PARAM_BUFFER_SIZE, &size,
+      HIP_LAUNCH_PARAM_END
+    };
+
+    hipModuleLaunchKernel(Function, 1, 1, 1, LEN, 1, 1, 0, 0, NULL, (void**)&config); 
+
+    hipMemcpyDtoH(B, Bd, SIZE);
+    for(uint32_t i=LEN-4;i<LEN;i++){
+        std::cout<<A[i]<<" - "<<B[i]<<std::endl;
+    }
+
+#ifdef __HIP_PLATFORM_NVCC__
+	  hipCtxDetach(context);
+#endif 
+
+    return 0;
+}
@@ -0,0 +1,9 @@
+#include<hip_runtime.h>
+
+__global__ void hello_world(hipLaunchParm lp, float *a, float *b)
+{
+    int tx = hipThreadIdx_x;
+    b[tx] = a[tx];
+}
+
+int main(){}
@@ -0,0 +1,6 @@
+
+extern "C" __global__ void hello_world(float *a, float *b)
+{
+	int tx = threadIdx.x;
+	b[tx] = a[tx];
+}
@@ -0,0 +1,38 @@
+//
+// Generated by NVIDIA NVVM Compiler
+//
+// Compiler Build ID: CL-19856038
+// Cuda compilation tools, release 7.5, V7.5.17
+// Based on LLVM 3.4svn
+//
+
+.version 4.3
+.target sm_20
+.address_size 64
+
+	// .globl	hello_world
+
+.visible .entry hello_world(
+	.param .u64 hello_world_param_0,
+	.param .u64 hello_world_param_1
+)
+{
+	.reg .f32 	%f<2>;
+	.reg .b32 	%r<2>;
+	.reg .b64 	%rd<8>;
+
+
+	ld.param.u64 	%rd1, [hello_world_param_0];
+	ld.param.u64 	%rd2, [hello_world_param_1];
+	cvta.to.global.u64 	%rd3, %rd2;
+	cvta.to.global.u64 	%rd4, %rd1;
+	mov.u32 	%r1, %tid.x;
+	mul.wide.s32 	%rd5, %r1, 4;
+	add.s64 	%rd6, %rd4, %rd5;
+	ld.global.f32 	%f1, [%rd6];
+	add.s64 	%rd7, %rd3, %rd5;
+	st.global.f32 	[%rd7], %f1;
+	ret;
+}
+
+