```ruby
require "memory_profiler/version"
require "memory_profiler/helpers"
require "memory_profiler/polychrome"
require "memory_profiler/monochrome"
require "memory_profiler/top_n"
require "memory_profiler/stat"
require "memory_profiler/stat_hash"
require "memory_profiler/results"
require "memory_profiler/reporter"

module MemoryProfiler
  def self.report(opts={},&block)
    opts[:top] ||= 50
    Reporter.report(opts,&block)
  end

  def self.start(opts={})
    unless Reporter.current_reporter
      Reporter.current_reporter = Reporter.new(opts)
      Reporter.current_reporter.start
    end
  end

  def self.stop
    Reporter.current_reporter.stop if Reporter.current_reporter
  ensure
    Reporter.current_reporter = nil
  end
end


```

Remove excessive setting of default of :top option
user
```ruby
require "memory_profiler/version"
require "memory_profiler/helpers"
require "memory_profiler/polychrome"
require "memory_profiler/monochrome"
require "memory_profiler/top_n"
require "memory_profiler/stat"
require "memory_profiler/stat_hash"
require "memory_profiler/results"
require "memory_profiler/reporter"

module MemoryProfiler
  def self.report(opts={},&block)
    Reporter.report(opts,&block)
  end

  def self.start(opts={})
    unless Reporter.current_reporter
      Reporter.current_reporter = Reporter.new(opts)
      Reporter.current_reporter.start
    end
  end

  def self.stop
    Reporter.current_reporter.stop if Reporter.current_reporter
  ensure
    Reporter.current_reporter = nil
  end
end


```
assistant