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+MIGraphX GPU-driver
+===============
+
+The MIGraphX gpu-driver is used to test the performance of GPU kernels produced in MIGraphX.
+Example usage::
+    
+    gpu-driver kernel_test.json
+
+The input json file describes the gpu kernel and the input data settings.
+Random data is passed into the gpu kernel and the kernel is run a set number of iterations
+(1000 in the example below) and timed for performance.
+
+Format for the input json file
+------------------------------
+
+* settings:
+    * iterations: the number of iterations to run the kernel
+    * lens: the dimensions for the input data shape
+    * strides: strides for the input dimension, optional for standard shapes
+    * type: data type
+* compile_op:
+    * name: name of the gpu operation to compile
+    * lambda: lambda function
+    * inputs: input shapes into the kernel, need 1 more than lambda function input for output buffer
+
+*TODO: many other possible settings*
+
+Example hjson file that tests a pointwise GELU approximation (note this is hjson and needs
+to be converted to json before usage)::
+
+    # sigmoid GELU approximation
+    {
+        settings: {
+            iterations: 1000
+            lens: [10, 384, 3072]
+            type: "float"
+        },
+        compile_op: {
+            name: "pointwise"
+            lambda: 
+            '''
+            [](auto x)
+            {
+                using x_type = decltype(x);
+                x_type one = 1.;
+                x_type fit_const = 2.;
+                return x / (one + exp(-fit_const * x));
+            }
+            '''
+            inputs: [{}, {}]
+        }
+    }
+
+To convert the hjson file to a json file you can use ``hjson -j``. To install hjson: ``pip install hjson``