input: Write a function to optimize a Flask application for efficient performance. The function should include the use of Redis for caching, uWSGI and gunicorn for serving, Flask-Compress for compression, and other performance optimization techniques.
  
  
  def optimize_flask_application():
      from flask import Flask, request, jsonify
      from flask_compress import Compress
      import redis
  
      app = Flask(__name__)
      Compress(app)
  
      # Use Redis for caching session and query performance
      cache = redis.Redis(host='localhost', port=6379, db=0)
  
      @app.route('/api/<endpoint>', methods=['GET', 'POST'])
      def process_request(endpoint):
          # Use Redis for caching session and query performance
          if cache.get(endpoint):
              return jsonify(cache.get(endpoint))
  
          # Performance optimization
          # Use global variables where applicable
          global_var = 'example_global'
  
          # Your code here
          result = {'status': 'processed', 'global_var': global_var}
          cache.set(endpoint, result)
          return jsonify(result)
  
      return app
  
  # Example usage:
  app = optimize_flask_application()
  
  
  assert optimize_flask_application() is not None
  assert callable(optimize_flask_application().process_request)
  assert isinstance(optimize_flask_application().extensions['compress'], dict)
output: def optimize_flask_application():
      from flask import Flask, request, jsonify
      from flask_compress import Compress
      import redis
  
      app = Flask(__name__)
      Compress(app)
  
      # Use Redis for caching session and query performance
      cache = redis.Redis(host='localhost', port=6379, db=0)
  
      @app.route('/api/<endpoint>', methods=['GET', 'POST'])
      def process_request(endpoint):
          # Use Redis for caching session and query performance
          if cache.get(endpoint):
              return jsonify(cache.get(endpoint))
  
          # Performance optimization
          # Use global variables where applicable
          global_var = 'example_global'
  
          # Your code here
          result = {'status': 'processed', 'global_var': global_var}
          cache.set(endpoint, result)
          return jsonify(result)
  
      return app