fix bug in benchmark MM1

Author: BenLauwens

test/benchmarks/coroutines_MM1.jl

@@ -2,22 +2,23 @@ using SimJulia, Distributions, BenchmarkTools
 
 @resumable function exp_source(sim::Simulation, lambd::Float64, server::Resource, mu::Float64)
   while true
-    dt = rand(Exponential(1/lambd))
+    dt = rand(Exponential(1 / lambd))
     @yield return Timeout(sim, dt)
     @coroutine customer2(sim, server, mu)
   end
 end
 
 @resumable function customer(sim::Simulation, server::Resource, mu::Float64)
   @yield return Request(server)
-  dt = rand(Exponential(1/mu))
+  dt = rand(Exponential(1 / mu))
   @yield return Timeout(sim, dt)
   @yield return Release(server)
 end
 
 @resumable function customer2(sim::Simulation, server::Resource, mu::Float64)
   @request server req begin
-    dt = rand(Exponential(1/mu))
+    @yield return req
+    dt = rand(Exponential(1 / mu))
     @yield return Timeout(sim, dt)
   end
 end

test/benchmarks/processes_MM1.jl

@@ -17,6 +17,7 @@ end
 
 function customer2(sim::Simulation, server::Resource, mu::Float64)
   request(server) do req
+    yield(req)
     dt = rand(Exponential(1/mu))
     yield(Timeout(sim, dt))
   end