Mandelbrot example

BUILD

@@ -592,6 +592,16 @@ cc_test(
     ],
 )
 
+cc_test(
+    name = "mandelbrot",
+    srcs = ["hwy/examples/mandelbrot.cc"],
+    copts = COPTS,
+    deps = [
+        ":hwy",
+        ":timer",
+    ],
+)
+
 cc_test(
     name = "masks_and_logic",
     srcs = ["hwy/examples/masks_and_logic.cc"],

CMakeLists.txt

@@ -826,6 +826,15 @@ target_link_libraries(dot_product_mixed_precision PRIVATE ${ATOMICS_LIBRARIES})
 set_target_properties(dot_product_mixed_precision
     PROPERTIES RUNTIME_OUTPUT_DIRECTORY "examples/")
 
+# Mandelbrot
+add_executable(mandelbrot hwy/examples/mandelbrot.cc)
+target_compile_options(mandelbrot PRIVATE ${HWY_FLAGS})
+target_compile_features(mandelbrot PRIVATE ${HWY_CXX_STD_TGT_COMPILE_FEATURE})
+target_link_libraries(mandelbrot PRIVATE hwy)
+target_link_libraries(mandelbrot PRIVATE ${ATOMICS_LIBRARIES})
+set_target_properties(mandelbrot
+    PROPERTIES RUNTIME_OUTPUT_DIRECTORY "examples/")
+
 # AES capture the flag example
 add_executable(ctf_aes hwy/examples/ctf_aes.cc)
 target_compile_options(ctf_aes PRIVATE ${HWY_FLAGS})

hwy/examples/README.md

@@ -33,6 +33,14 @@ Similar to array simple but uses type promotion to allow for
 a greater range in resulting integer sum values before an
 overflow occurs.
 
+### `mandelbrot.cc`
+
+Demonstrates:
+-   interleaved stores
+-   masks
+-   loop unrolling
+-   fused multiply add
+
 ### `matrix_transpose_scatter_gather.cc`
 
 Matrix transposition via Gather and Scatter, showing: