From 39cd59caec8a66aa3e31205a6c0ca9d4daca82f5 Mon Sep 17 00:00:00 2001
From: austinvhuang <austinh@alum.mit.edu>
Date: Sun, 3 Mar 2024 10:33:29 -0500
Subject: [PATCH] [WIP] create skeleton for example frontend application

---
 examples/look/CMakeLists.txt   | 45 ++++++++++++++++++++++++++++++++++
 examples/look/build/.gitignore |  0
 examples/look/run.cc           | 28 +++++++++++++++++++++
 3 files changed, 73 insertions(+)
 create mode 100644 examples/look/CMakeLists.txt
 create mode 100644 examples/look/build/.gitignore
 create mode 100644 examples/look/run.cc

diff --git a/examples/look/CMakeLists.txt b/examples/look/CMakeLists.txt
new file mode 100644
index 0000000..8666ce7
--- /dev/null
+++ b/examples/look/CMakeLists.txt
@@ -0,0 +1,45 @@
+# Copyright 2019 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+cmake_minimum_required(VERSION 3.11)
+
+project(look)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+include(FetchContent)
+
+FetchContent_Declare(highway GIT_REPOSITORY https://github.com/google/highway.git GIT_TAG da250571a45826b21eebbddc1e50d0c1137dee5f)
+FetchContent_MakeAvailable(highway)
+
+FetchContent_Declare(sentencepiece GIT_REPOSITORY https://github.com/google/sentencepiece GIT_TAG 53de76561cfc149d3c01037f0595669ad32a5e7c)
+FetchContent_MakeAvailable(sentencepiece)
+
+FetchContent_Declare(gemma GIT_REPOSITORY https://github.com/google/gemma.cpp.git GIT_TAG 808dbdc42b216c3ac1f1c40dfa638bcff24bbd2b) 
+FetchContent_MakeAvailable(gemma)
+
+if(NOT CMAKE_BUILD_TYPE)
+    set(CMAKE_BUILD_TYPE "Release")
+endif()
+
+add_executable(look run.cc)
+target_sources(look PRIVATE ${SOURCES})
+set_property(TARGET look PROPERTY CXX_STANDARD 17)
+target_link_libraries(look hwy hwy_contrib sentencepiece libgemma)
+target_include_directories(look PRIVATE ./)
+FetchContent_GetProperties(sentencepiece)
+target_include_directories(look PRIVATE ${sentencepiece_SOURCE_DIR})
+target_compile_definitions(look PRIVATE $<$<PLATFORM_ID:Windows>:_CRT_SECURE_NO_WARNINGS NOMINMAX>)
+target_compile_options(look PRIVATE $<$<PLATFORM_ID:Windows>:-Wno-deprecated-declarations>)
diff --git a/examples/look/build/.gitignore b/examples/look/build/.gitignore
new file mode 100644
index 0000000..e69de29
diff --git a/examples/look/run.cc b/examples/look/run.cc
new file mode 100644
index 0000000..85b0da4
--- /dev/null
+++ b/examples/look/run.cc
@@ -0,0 +1,28 @@
+#include <iostream>
+
+// copybara:import_next_line:gemma_cpp
+#include "compression/compress.h"
+// copybara:end
+// copybara:import_next_line:gemma_cpp
+#include "gemma.h"  // Gemma
+// copybara:end
+// copybara:import_next_line:gemma_cpp
+#include "util/app.h"
+// copybara:end
+// copybara:import_next_line:gemma_cpp
+#include "util/args.h"  // HasHelp
+// copybara:end
+#include "hwy/base.h"
+#include "hwy/contrib/thread_pool/thread_pool.h"
+#include "hwy/highway.h"
+#include "hwy/per_target.h"
+#include "hwy/profiler.h"
+#include "hwy/timer.h"
+
+int main(int argc, char** argv) {
+  gcpp::LoaderArgs loader(argc, argv);
+  gcpp::AppArgs app(argc, argv);
+  hwy::ThreadPool pool(app.num_threads);
+  gcpp::Gemma model(loader, pool);
+  std::cout << "Done" << std::endl;
+}