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Versions: 20
Compression:
Stored size: 1.95 KB
Contents
# benchmark_tracepoint.rb
def memory_usage
pid = Process.pid
`ps -o rss= -p #{pid}`.to_i # Returns memory usage in KB
end
# Generate a 100 MB string outside the iterations
large_string = 'a' * 10_000_000 # 10 million characters
def test_with_tracepoint(iterations, large_string)
puts "\nTest with TracePoint capturing bindings:"
captured_bindings = []
trace = TracePoint.new(:raise) do |tp|
captured_bindings << tp.binding
end
trace.enable
puts "Memory usage before exceptions: #{memory_usage} KB"
iterations.times do
begin
# Use the large string within the local scope
local_large_string = large_string
raise 'Test exception'
rescue => e
raise e rescue nil # Suppress the exception to continue the loop
end
end
puts "Memory usage after exceptions: #{memory_usage} KB"
trace.disable
end
def test_without_tracepoint(iterations, large_string)
puts "\nTest without TracePoint capturing bindings:"
puts "Memory usage before exceptions: #{memory_usage} KB"
iterations.times do
begin
# Use the large string within the local scope
local_large_string = large_string
raise 'Test exception'
rescue => e
raise e rescue nil
end
end
puts "Memory usage after exceptions: #{memory_usage} KB"
end
def test_exception_with_large_variable(iterations, large_string)
puts "\nTest with exceptions storing large variable:"
puts "Memory usage before exceptions: #{memory_usage} KB"
iterations.times do
begin
raise 'Test exception'
rescue => e
# Store a reference to the large string in the exception
e.instance_variable_set(:@large_string, large_string)
raise e rescue nil
end
end
puts "Memory usage after exceptions: #{memory_usage} KB"
end
iterations = 10 # Adjust iterations as needed
test_with_tracepoint(iterations, large_string)
test_without_tracepoint(iterations, large_string)
test_exception_with_large_variable(iterations, large_string)
Version data entries
20 entries across 20 versions & 1 rubygems