COMPMID-417 - Fix documentation

Added explanation about how to build the example graph_lenet.cpp

Change-Id: I1da0683f6284a77e0f3e11250a96bc9f0d7f0b97
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/89690
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>

1 files changed, 33 insertions, 0 deletions

diff --git a/docs/00_introduction.dox b/docs/00_introduction.dox
index 8f038f6ddb..fb174eb289 100644
--- a/docs/00_introduction.dox
+++ b/docs/00_introduction.dox
@@ -498,6 +498,19 @@ To cross compile an OpenCL example for Linux 64bit:
 
 (notice the only difference with the 32 bit command is that we don't need the -mfpu option and the compiler's name is different)
 
+To cross compile the examples with the Graph API, such as graph_lenet.cpp, you need to link the library arm_compute_graph.so also.
+(notice the compute library has to be built with both neon and opencl enabled - neon=1 and opencl=1)
+
+i.e. to cross compile the "graph_lenet" example for Linux 32bit:
+
+	arm-linux-gnueabihf-g++ examples/graph_lenet.cpp utils/Utils.cpp -I. -Iinclude -std=c++11 -mfpu=neon -L. -larm_compute -larm_compute_graph -lOpenCL -o graph_lenet -DARM_COMPUTE_CL
+
+i.e. to cross compile the "graph_lenet" example for Linux 64bit:
+
+	aarch64-linux-gnu-g++ examples/graph_lenet.cpp utils/Utils.cpp -I. -Iinclude -std=c++11 -L. -larm_compute -lOpenCL -o graph_lenet -DARM_COMPUTE_CL
+
+(notice the only difference with the 32 bit command is that we don't need the -mfpu option and the compiler's name is different)
+
 To compile natively (i.e directly on an ARM device) for NEON for Linux 32bit:
 
 	g++ examples/neon_convolution.cpp utils/Utils.cpp -I. -Iinclude -std=c++11 -mfpu=neon -larm_compute -o neon_convolution
@@ -512,6 +525,18 @@ To compile natively (i.e directly on an ARM device) for OpenCL for Linux 32bit o
 
 	g++ examples/cl_convolution.cpp utils/Utils.cpp -I. -Iinclude -std=c++11 -larm_compute -lOpenCL -o cl_convolution -DARM_COMPUTE_CL
 
+To compile natively (i.e directly on an ARM device) the examples with the Graph API, such as graph_lenet.cpp, you need to link the library arm_compute_graph.so also.
+(notice the compute library has to be built with both neon and opencl enabled - neon=1 and opencl=1)
+
+i.e. to cross compile the "graph_lenet" example for Linux 32bit:
+
+	g++ examples/graph_lenet.cpp utils/Utils.cpp -I. -Iinclude -std=c++11 -mfpu=neon -L. -larm_compute -larm_compute_graph -lOpenCL -o graph_lenet -DARM_COMPUTE_CL
+
+i.e. to cross compile the "graph_lenet" example for Linux 64bit:
+
+	g++ examples/graph_lenet.cpp utils/Utils.cpp -I. -Iinclude -std=c++11 L. -larm_compute -larm_compute_graph -lOpenCL -o graph_lenet -DARM_COMPUTE_CL
+
+(notice the only difference with the 32 bit command is that we don't need the -mfpu option)
 
 @note These two commands assume libarm_compute.so is available in your library path, if not add the path to it using -L
 
@@ -579,6 +604,14 @@ To cross compile an OpenCL example:
 	#64 bit:
 	aarch64-linux-android-g++ examples/cl_convolution.cpp utils/Utils.cpp -I. -Iinclude -std=c++11 -larm_compute-static -L. -o cl_convolution_aarch64 -static-libstdc++ -pie -lOpenCL -DARM_COMPUTE_CL
 
+To cross compile the examples with the Graph API, such as graph_lenet.cpp, you need to link the library arm_compute_graph also.
+(notice the compute library has to be built with both neon and opencl enabled - neon=1 and opencl=1)
+
+	#32 bit:
+	arm-linux-androideabi-clang++ examples/graph_lenet.cpp utils/Utils.cpp -I. -Iinclude -std=c++11 -larm_compute-static -larm_compute_graph-static -L. -o graph_lenet_arm -static-libstdc++ -pie -lOpenCL -DARM_COMPUTE_CL
+	#64 bit:
+	aarch64-linux-android-g++ examples/graph_lenet.cpp utils/Utils.cpp -I. -Iinclude -std=c++11 -larm_compute-static -larm_compute_graph-static -L. -o graph_lenet_aarch64 -static-libstdc++ -pie -lOpenCL -DARM_COMPUTE_CL
+
 @note Due to some issues in older versions of the Mali OpenCL DDK (<= r13p0), we recommend to link arm_compute statically on Android.
 
 Then you need to do is upload the executable and the shared library to the device using ADB: