WARPLab 7: Benchmarks

Jumbo Frames

clear node
node = wl_initNodes(1);
[RFA,RFB] = wl_getInterfaceIDs(node);

NUMITER = 100;

NUMLENGTHS = 6;
maxPayloadVec = [1000,floor(linspace(1470,double(node.transport.maxPayload),NUMLENGTHS-1))];

IQvec = complex(randn(node.baseband.txIQLen,1),randn(node.baseband.txIQLen,1));
IQvec = IQvec./(max(abs(IQvec)));

duration_write = zeros(NUMITER,NUMLENGTHS);
duration_read = zeros(NUMITER,NUMLENGTHS);
mean_duration_write = zeros(1,NUMLENGTHS);
std_duration_write = zeros(1,NUMLENGTHS);
mean_duration_read = zeros(1,NUMLENGTHS);
std_duration_read = zeros(1,NUMLENGTHS);
for k = NUMLENGTHS:-1:1
    fprintf('Current maxPayload: %d\n',maxPayloadVec(k));
    node.transport.maxPayload = maxPayloadVec(k);
    for m = NUMITER:-1:1
        currTime = tic;
        wl_basebandCmd(node,RFA,'write_IQ',IQvec);
        duration_write(m,k) = toc(currTime);
        currTime = tic;
        wl_basebandCmd(node,RFA,'read_IQ',0,node.baseband.rxIQLen);
        duration_read(m,k) = toc(currTime);
    end
    mean_duration_write(k) = mean(duration_write(:,k));
    std_duration_write(k) = std(duration_write(:,k));
    mean_duration_read(k) = mean(duration_read(:,k));
    std_duration_read(k) = std(duration_read(:,k));
end

%% Plotting
figure(1);clf
errorbar(maxPayloadVec,mean_duration_write,std_duration_write,'LineWidth',2)
hold on
errorbar(maxPayloadVec,mean_duration_read,std_duration_read,'r','LineWidth',2)
grid on
xlabel('Payload Size')
ylabel('Duration (Seconds)')
title('Duration of Commands vs Payload Size')
legend('write_IQ','read_IQ')
myAxis = axis;
myAxis(3) = 0;
axis(myAxis);

standardPayload = 1470;
H = line([standardPayload standardPayload],[myAxis(3),myAxis(4)]);
set(H,'Color',[0 0 0])
set(H,'LineWidth',2)
H = text(standardPayload + .01*myAxis(2),.9*myAxis(4),'Standard Payload Size');
set(H,'FontName','Ariel')
set(H,'FontWeight','bold')
hold off