1. $ git clone https://github.com/excamera/lambda-invoker

2. $ cd lambda-invoker/build

3. $ env aws-sdk-cpp_DIR=build_dir_of_aws-sdk-cpp cmake ..

4. $ make clean && make all

5. This test invokes 900 lambdas each printing HELLOWORLD and writing the output to a sample text file

   $ ./lambda-invoke 900 HELLOWORLD sample.txt
   Starting AWS Lambda Test
   nLambdas : 900 lambda : HELLOWORLD
   Retry count : 10 and Scale Factor : 25
   Total execution time of 900: 1
   Average time including network latency : 0
   Average time excluding network latency : 0.00514712
   Total no. of success : 900 and total no. of failures : 0