Created
January 19, 2019 17:12
-
-
Save mattgaidica/bacb4544df7534cd708572b6f92f1bea to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
testVals = 0:1000000:100000000; % 0 to 100 million, step 1 million | |
nTests = numel(testVals); | |
runTest = true; | |
if runTest | |
tVals_uninit = []; | |
for iTest = 1:nTests | |
disp(iTest); | |
a = []; | |
tic; | |
for ii = 1:testVals(iTest) | |
a(ii) = 1; | |
end | |
tVals_uninit(iTest) = toc; | |
end | |
tVals_init = []; | |
for iTest = 1:nTests | |
a = zeros(testVals(iTest),1); | |
tic; | |
for ii = 1:testVals(iTest) | |
a(ii) = 1; | |
end | |
tVals_init(iTest) = toc; | |
end | |
end | |
h = figure('position',[0,0,800,500]); | |
plot(tVals_init,'lineWidth',3); | |
hold on; | |
plot(tVals_uninit,'lineWidth',3); | |
xtickLocs = [1 find(testVals == 1e6) find(testVals == 1e7) nTests]; | |
xticks(xtickLocs); | |
xticklabels({'0','1 Million','10 Million','100 Million'}); | |
set(gca,'xscale','log'); | |
xlabel('Array Elements'); | |
ylabel('Time (s)'); | |
legend({'Initialized','Uninitialized'},'location','northwest'); | |
title('Time to Build Array in MATLAB'); | |
set(gca,'fontSize',16); | |
set(gcf,'color','w'); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment