public override async System.Threading.Tasks.Task Run()
{
// Initial await
await ClockAsync();
double[] positions = new double[data_size];
double[] velocities = new double[data_size];
for (int i = 0; i < data_size; i++)
{
if (init_position.valid && init_velocity.valid)
{
// Get data from master simulation process
ulong position = init_position.val;
positions[i] = Funcs.FromUlong(position);
ulong velocity = init_velocity.val;
velocities[i] = Funcs.FromUlong(velocity);
// Write initial data to position ram
position_ramctrl.Address = i;
position_ramctrl.Data = position;
position_ramctrl.IsWriting = true;
position_ramctrl.Enabled = true;
// Write initial data to velocity ram
init_velocity_ramctrl.Address = i;
// Initial value is 0
init_velocity_ramctrl.Data = velocity;
init_velocity_ramctrl.IsWriting = true;
init_velocity_ramctrl.Enabled = true;
}
else
{
i--;
}
await ClockAsync();
}
// MD loop
for (int k = 0; k < (uint)Number_of_loops.n; k++)
{
bool running = true;
position_ramctrl.Enabled = false;
position_ramctrl.Data = 0;
position_ramctrl.IsWriting = false;
init_velocity_ramctrl.Enabled = false;
init_velocity_ramctrl.Data = 0;
init_velocity_ramctrl.IsWriting = false;
acc_ready.val = data_size;
acc_ready.valid = true;
velocity_reset.valid = true;
position_reset.valid = true;
await ClockAsync();
acc_ready.valid = false;
velocity_reset.valid = false;
position_reset.valid = false;
// Calculating data for verifying results
double[] accelerations = new double[data_size];
for (long i = 0; i < data_size; i++)
{
for (long j = i + 1; j < data_size; j++)
{
double result = Sim_Funcs.Acceleration_2d_Calc(positions[i], positions[j]);
accelerations[i] += result;
accelerations[j] += -result;
}
}
double[] updated_velocity = new double[data_size];
// Calculate data for tests
for (long i = 0; i < data_size; i++)
{
// Initial velocity is 0
double update_result = Sim_Funcs.Update_Data_Calc(velocities[i], accelerations[i], timestep);
updated_velocity[i] = update_result;
}
double[] updated_positions = new double[data_size];
// Calculate data for tests
for (long i = 0; i < data_size; i++)
{
double update_result = Sim_Funcs.Update_Data_Calc(positions[i], updated_velocity[i], timestep);
updated_positions[i] = update_result;
}
int m = 0;
int n = 0;
bool data_ready = false;
while (running)
{
if (finished.valid)
{
data_ready = true;
}
if (data_ready)
{
if (m < data_size)
{
position_ramctrl.Enabled = true;
position_ramctrl.Data = 0;
position_ramctrl.IsWriting = false;
position_ramctrl.Address = m;
m++;
}
else
{
position_ramctrl.Enabled = false;
}
if (m - n > 2 || m >= data_size)
{
double input_result = Funcs.FromUlong(position_ramresult.Data);
if (Math.Abs(updated_positions[n] - input_result) > 0.00001f)
{
Console.WriteLine("Update position result - Got {0}, expected {1} at {2}",
input_result, updated_positions[n], n);
}
n++;
}
if (n >= data_size)
{
running = false;
data_ready = false;
positions = updated_positions;
velocities = updated_velocity;
}
}
await ClockAsync();
}
Console.WriteLine("Loop {0} finished", k);
}
sim_finished.valid = true;
}
public override async System.Threading.Tasks.Task Run()
{
await ClockAsync();
bool running = true;
Random rnd = new Random();
// TODO: Update so that only one variable is needed to define if we
// Random or sequential data
//// Testing data
// Generate random data for testing
// double[] random_velocity_data = new double[data_size];
double[] velocity_data = new double[data_size];
for (long i = 0; i < data_size; i++)
{
// long random_number = rnd.Next(10,1000);
// if(!random_velocity_data.Contains((double) random_number))
// random_velocity_data[i] = (double) random_number;
// else
// i--;
// Non-random data:
velocity_data[i] = (double)i + 1;
}
// Creating random or non-random data variables as the external
// variables in the formula
// double[] random_acceleration_data = new double[data_size];
double[] acceleration_data = new double[data_size];
// Generate random data for testing
for (ulong i = 0; i < data_size; i++)
{
// Random data
// long random_number = rnd.Next(10,100);
// if(!random_acceleration_data.Contains((double) random_number))
// random_acceleration_data[i] = (double) random_number;
// else
// i--;
// non-random data
acceleration_data[i] = (double)i + 1;
}
// Write initial velocity data to ram
for (int i = 0; i < data_size; i++)
{
// Data points
velocity_ramctrl.Enabled = true;
velocity_ramctrl.Address = i;
velocity_ramctrl.Data = Funcs.FromDouble(velocity_data[i]);
velocity_ramctrl.IsWriting = true;
await ClockAsync();
}
// Write initial acceleration data to ram
for (uint i = 0; i < data_size / cache_size; i++)
{
acceleration_ramctrl.Enabled = true;
acceleration_ramctrl.Address = i;
for (int j = 0; j < cache_size; j++)
{
acceleration_ramctrl.Data[j] = Funcs.FromDouble(acceleration_data[j + (i * (uint)cache_size)]);
}
acceleration_ramctrl.IsWriting = true;
await ClockAsync();
}
acceleration_ramctrl.Enabled = false;
acceleration_ramctrl.IsWriting = false;
velocity_ramctrl.Enabled = false;
velocity_ramctrl.IsWriting = false;
double[] updated_velocity = new double[data_size];
// Calculate data for tests
for (long i = 0; i < data_size; i++)
{
double update_result = Sim_Funcs.Update_Data_Calc(velocity_data[i], acceleration_data[i], timestep);
updated_velocity[i] = update_result;
}
sim_ready.valid = true;
await ClockAsync();
sim_ready.valid = false;
// Simulate the wait from the cache
for (long i = 0; i < Math.Abs(data_size / cache_size); i++)
{
long random_wait = rnd.Next(5, 50);
for (long j = 0; j < random_wait; j++)
{
await ClockAsync();
data_ready.valid = false;
}
data_ready.valid = true;
}
await ClockAsync();
data_ready.valid = false;
int k = 0;
int n = 0;
bool receive_data_ready = false;
while (running)
{
if (finished.valid)
{
receive_data_ready = true;
}
if (receive_data_ready)
{
if (k < data_size)
{
velocity_ramctrl.Enabled = true;
velocity_ramctrl.Data = 0;
velocity_ramctrl.IsWriting = false;
velocity_ramctrl.Address = k;
k++;
}
else
{
velocity_ramctrl.Enabled = false;
}
if (k - n > 2 || k >= data_size)
{
double input_result = Funcs.FromUlong(velocity_ramresult.Data);
// Assertion for unittest
System.Diagnostics.Debug.Assert((Math.Abs(updated_velocity[n] - input_result) < 1 / (Math.Pow(10, 7))), "SME acceleration did not match C# velocity_update");
// if(updated_velocity[n] - input_result > 0.0f)
// Console.WriteLine("Update data result - Got {0}, expected {1} at {2}",
// input_result, updated_velocity[n], n);
n++;
}
if (n >= acceleration_data.Length)
{
running = false;
receive_data_ready = false;
// TODO: Add looping functionality - see Lennard_Jones.Simulations
}
}
await ClockAsync();
}
}
public override async System.Threading.Tasks.Task Run()
{
await ClockAsync();
bool running = true;
Random rnd = new Random();
//// Testing data
// Generate random data for testing
double[] position_data = new double[data_size];
for (long i = 0; i < data_size; i++)
{
long random_number = rnd.Next(10, 1000);
if (!position_data.Contains((double)random_number))
{
position_data[i] = (double)random_number;
}
else
{
i--;
}
}
// Creating random or non-random data variables as the external
// variables in the formula
double[] random_velocity_data = new double[data_size];
double[] velocity_data = new double[data_size];
// Generate random data for testing
for (ulong i = 0; i < data_size; i++)
{
long random_number = rnd.Next(10, 100);
if (!random_velocity_data.Contains((double)random_number))
{
random_velocity_data[i] = (double)random_number;
}
else
{
i--;
}
}
// Generate data for testing
for (ulong i = 0; i < data_size; i++)
{
velocity_data[i] = i + 1;
}
// Write initial data to ram
for (int i = 0; i < data_size; i++)
{
// Data points
data_point_ramctrl.Enabled = true;
data_point_ramctrl.Address = i;
data_point_ramctrl.Data = Funcs.FromDouble(position_data[i]);
data_point_ramctrl.IsWriting = true;
// External variable data points
velocity_data_point_ramctrl.Enabled = true;
velocity_data_point_ramctrl.Address = i;
velocity_data_point_ramctrl.Data = Funcs.FromDouble(random_velocity_data[i]);
velocity_data_point_ramctrl.IsWriting = true;
await ClockAsync();
}
velocity_data_point_ramctrl.Enabled = false;
velocity_data_point_ramctrl.IsWriting = false;
data_point_ramctrl.Enabled = false;
data_point_ramctrl.IsWriting = false;
double[] updated_data_points = new double[data_size];
// Calculate data for tests
for (long i = 0; i < data_size; i++)
{
double update_result = Sim_Funcs.Update_Data_Calc(position_data[i], random_velocity_data[i], timestep);
updated_data_points[i] = update_result;
}
sim_ready.valid = true;
await ClockAsync();
sim_ready.valid = false;
data_ready.valid = true;
await ClockAsync();
data_ready.valid = false;
int k = 0;
int n = 0;
bool receive_data_ready = false;
while (running)
{
if (finished.valid)
{
receive_data_ready = true;
}
if (receive_data_ready)
{
if (k < random_velocity_data.Length)
{
data_point_ramctrl.Enabled = true;
data_point_ramctrl.Data = 0;
data_point_ramctrl.IsWriting = false;
data_point_ramctrl.Address = k;
k++;
}
else
{
data_point_ramctrl.Enabled = false;
}
if (k - n > 2 || k >= random_velocity_data.Length)
{
double input_result = Funcs.FromUlong(data_point_ramresult.Data);
// Assertion for unittest
System.Diagnostics.Debug.Assert((Math.Abs(updated_data_points[n] - input_result) < 1 / (Math.Pow(10, 7))), "SME acceleration did not match C# position_update");
// if(updated_data_points[n] - input_result > 0.0f)
// Console.WriteLine("Update data result - Got {0}, expected {1} at {2}",
// input_result, updated_data_points[n], n);
n++;
}
if (n >= random_velocity_data.Length)
{
running = false;
receive_data_ready = false;
// TODO: Add looping functionality - see Lennard_Jones.Simulations
}
}
await ClockAsync();
}
}