Solana: Computational budget exceeded

Question

I am using the Saber deposit instruction on devnet. Yesterday, my code was working perfectly fine.

Today, I reran some of the instructions, and I am getting the error Computational budget exceeded all of a sudden. Did something on devnet change? I literally have not changed anything, yet getting this error. Any ideas and pointers would be greatly appreciated!

Answer 1

It depends on which cluster you are running on. It is feature driven whether each instruction gets a 200 K CU budget or the entire transaction gets the 200 K budget.

For example, if you are running solana-test-validator all features are enabled by default. However; the Tx wide compute budget is not yet enabled on mainnet-beta so if you test locally and then run on mainnet-beta you will see this behavior difference.

To determine what features are enabled or not on a given cluster (ignoring local for the moment):

solana feature status -ud (for devnet)

solana feature status -ut (for testnet)

solana feature status -um (for mainnet-beta)

The feature you are looking for is: 5ekBxc8itEnPv4NzGJtr8BVVQLNMQuLMNQQj7pHoLNZ9

Good writeup about cluster parity testing Feature Parity Testing

Answer 2

As stated here https://forums.solana.com/t/transaction-failed-when-biding-for-a-sol-domain-on-bonfida/4279#:~:text=%E2%80%9CComputational%20budget%20exceeded%E2%80%9D%20means%20that,processing%20power%20before%20it%20completed. You need to reduce the instructions computational needs. Or reduce the total number of instructions. You can also use Transaction wide compute budgets https://docs.solana.com/developing/programming-model/runtime