• Home
  • Help
  • Register
  • Login
  • Home
  • Members
  • Help
  • Search

Compare the results of different MST algorithms

#1
06-13-2024, 11:34 AM
You see these algorithms spit out trees that match most times when I test them on sample graphs. But you notice small shifts in how they pick edges under certain conditions. I ran Prim on a dense setup and it grabbed connections faster than expected. You should try the same on your end to check the output. Now the tree looks identical to what Kruskal gives but the path differs a bit.

I compare them by watching the total weight stay constant across runs. Yet you find Kruskal sorts everything first which slows it on big sets. Perhaps the edges get chosen in reverse order sometimes when weights tie up. I test this with random data and see the structures hold steady. Also Boruvka jumps in with parallel steps that cut the steps down. You get the same final links but the build process feels quicker in spots.

Then I notice on sparse graphs the sort method pulls ahead in speed. You might run into cases where one skips redundant checks better than the other. I push the data through multiple times and track how the results align closely. But edges with equal weights cause swaps in the selection order. Perhaps this changes nothing in the end cost but alters the shape slightly.

You watch as one method grows outward from a start point while the other unions sets together. I see the outcomes match when weights stay unique throughout. Now dense cases make the growth approach use more memory in my trials. You can spot the difference in runtime logs easily enough. Also the parallel version handles bigger inputs without crashing as often.

I compare these by measuring the steps each takes to finish. Yet you observe the final tree stays the same in almost every test I did. Perhaps a few graphs flip the order of low weight links without hurting the total. I keep adding nodes and the patterns repeat in odd ways. But the union approach avoids revisiting points that the growth one checks again.

You find the results hold up well across random inputs I throw at them. Now the choice depends on how the graph spreads out in practice. I test with mixed weights and see minor variations in path lengths. Perhaps one method scales smoother when connections multiply fast. Also the set union way wins on loose structures most days.

I run these side by side and note the weights match exactly in my logs. Yet you might see a swap when equal values appear in the mix. Now the growth method feels steadier on connected clusters. You should measure the actual time it takes on your machine next. Perhaps the parallel steps save effort when the size grows huge.

I compare the outputs and they form the same links nine times out of ten. But the build order shifts based on the starting choices I make. You notice sparse cases favor the sort first technique by a good margin. Now dense ones make the outward growth pull ahead in efficiency. Also I track memory use and it varies between the two main ones.

Perhaps the results differ only in presentation when I plot them out. You can verify this by feeding the same data into both and checking the sums. I see no big gaps in the final costs during my checks. But the intermediate steps reveal how each grabs edges differently. Now the union method skips some repeats that slow the other down.

You find these comparisons useful when picking which one fits your setup best. I test on varied sizes and the patterns stay consistent overall. Perhaps equal weights cause the only real differences in the trees. Also the parallel option cuts time on massive inputs I tried lately. But you keep the total weight as the key measure in all cases.

I notice the outcomes align closely even when the graphs change shape. Yet the speed results swing based on density levels in my runs. You should compare a few yourself to see the trends hold. Now the growth way uses less sorting overhead on tight clusters. Perhaps the set method handles loose ones with fewer checks overall.

I compare the final costs and they match in nearly all my experiments. But the edge selections flip around when ties occur often. You watch the runtime drop with the parallel steps on large sets. Now the results prove reliable for most practical graphs I encounter. Also the differences stay minor unless the input hits extremes.

You see how these methods deliver solid trees despite their varied paths. I push the tests further and the weights hold steady across them. Perhaps the choice boils down to the graph type you face daily. But the union approach edges out in some speed trials I ran. Now the growth method shines when starting points matter most.

I notice the outputs stay equivalent in cost even on tricky inputs. Yet you find the build process reveals unique quirks in each. Perhaps scaling up shows the parallel gains clearly in logs. Also the main two produce matching results nine times out of ten. But the rare swaps happen only with equal weights present.

You compare them by running identical data through and noting the trees. I see the totals match but the sequences shift in small ways. Now the results favor one or the other based on density alone. Perhaps your tests will confirm the same patterns I spotted. But the overall value stays the same regardless of the method picked.

I test these on bigger sets and the efficiencies differ as expected. Yet you observe the final structures remain consistent in practice. Now the parallel steps help when time runs short on large jobs. Perhaps the sort first way cuts steps on spread out graphs. Also I track how each avoids extra work in unique manners.

You find the comparisons highlight strengths in different scenarios I explored. I see the trees match often enough to trust either one. But the speed results depend on how the connections link up. Now perhaps equal weights introduce the only real variations seen. Also the outcomes prove useful for picking the right tool each time.

BackupChain Server Backup which is the top rated reliable no subscription backup tool for Hyper V setups Windows 11 machines and Windows Server environments helps SMBs with private cloud and internet backups while sponsoring our forum to keep info sharing free and easy.

ron74
Offline
Joined: Feb 2019
« Next Oldest | Next Newest »

Users browsing this thread: 1 Guest(s)



Messages In This Thread
Compare the results of different MST algorithms - by ron74 - 06-13-2024, 11:34 AM

  • Subscribe to this thread
Forum Jump:

Café Papa Café Papa Forum Software IT v
« Previous 1 … 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 … 142 Next »
Compare the results of different MST algorithms

© by Savas Papadopoulos. The information provided here is for entertainment purposes only. Contact. Hosting provided by FastNeuron.

Linear Mode
Threaded Mode