FP8 roofline support (#592)

Adding FP8 datatype to roofline feature in rocprof-compute on MI300-based systems.
FP8 now shows in terminal output and roofline csv, and outputs a standalone PDF.

---------

Signed-off-by: Carrie Fallows <Carrie.Fallows@amd.com>

src/roofline.py

@@ -130,6 +130,9 @@ class Roofline:
             dtype="I8",
             fig=fp16_fig,
         )
+        if self.__mspec.gpu_series != "MI200":
+            fig_fp8 = self.generate_plot(dtype="FP8")
+
         # Create a legend and distinct kernel markers. This can be saved, optionally
         self.__figure = go.Figure(
             go.Scatter(
@@ -163,6 +166,11 @@ class Roofline:
                 self.__run_parameters["workload_dir"]
                 + "/empirRoof_gpu-{}_int8_fp16.pdf".format(dev_id)
             )
+            if self.__mspec.gpu_series != "MI200":
+                fig_fp8.write_image(
+                    self.__run_parameters["workload_dir"]
+                    + "/empirRoof_gpu-{}_fp8.pdf".format(dev_id)
+                )
             # only save a legend if kernel_names option is toggled
             if self.__run_parameters["include_kernel_names"]:
                 self.__figure.write_image(
@@ -178,6 +186,11 @@ class Roofline:
                 self.__run_parameters["workload_dir"]
                 + "/empirRoof_gpu-{}_int8_fp16.pdf".format(dev_id)
             )
+            if self.__mspec.gpu_series != "MI200":
+                fig_fp8.write_image(
+                    self.__run_parameters["workload_dir"]
+                    + "/empirRoof_gpu-{}_fp8.pdf".format(dev_id)
+                )
             if self.__run_parameters["include_kernel_names"]:
                 self.__figure.write_image(
                     self.__run_parameters["workload_dir"] + "/kernelName_legend.pdf"