The price per compute unit in micro-lamports that a transaction is willing to pay as a priority fee. Set via the Compute Budget Program's SetComputeUnitPrice instruction. Higher prices increase the likelihood of a transaction being included by the leader during congestion. The effective priority fee equals the compute unit price multiplied by the compute units consumed, converted from micro-lamports to lamports.
Comece pela explicação mais curta e útil antes de aprofundar.
The price per compute unit in micro-lamports that a transaction is willing to pay as a priority fee. Set via the Compute Budget Program's SetComputeUnitPrice instruction. Higher prices increase the likelihood of a transaction being included by the leader during congestion. The effective priority fee equals the compute unit price multiplied by the compute units consumed, converted from micro-lamports to lamports.
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Accounts, instruções, PDAs, transações e fluxo de execução.
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Este termo destrava conceitos adjacentes rapidamente, então funciona melhor quando você o trata como um ponto de conexão, não como definição isolada.
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Compute Unit Price (compute-unit-price) Categoria: Modelo de Programação Definição: The price per compute unit in micro-lamports that a transaction is willing to pay as a priority fee. Set via the Compute Budget Program's SetComputeUnitPrice instruction. Higher prices increase the likelihood of a transaction being included by the leader during congestion. The effective priority fee equals the compute unit price multiplied by the compute units consumed, converted from micro-lamports to lamports. Relacionados: Micro-Lamport, Unidades de Computação (CU), Taxa de Prioridade
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Esses ramos mostram quais conceitos esse termo toca diretamente e o que existe uma camada além deles.
The unit used to express compute unit pricing for priority fees on Solana. One lamport equals 1,000,000 micro-lamports. When setting a compute unit price via the Compute Budget Program, the price is specified in micro-lamports per compute unit. The total priority fee is calculated as (compute unit price in micro-lamports * compute units consumed) / 1,000,000, rounded down to lamports.
A measure of computational resources consumed by transaction execution, analogous to gas on Ethereum. Each BPF instruction costs CU; syscalls have predefined CU costs (e.g., SHA-256: 85 CU base + per-byte). Default per-instruction limit is 200,000 CU; max per-transaction is 1,400,000 CU. Priority fee cost = CU price × CU consumed.
An optional additional fee paid on top of the base fee to increase the likelihood that a transaction is processed quickly by the current leader, expressed as a price in micro-lamports per compute unit (CU). The total priority fee equals (compute unit price × compute unit limit) / 1,000,000 lamports. Leaders sort transactions in their queue by fee-per-CU, so setting a competitive priority fee is the primary mechanism for ensuring reliable transaction landing during congestion.
Estes são os próximos conceitos que valem abrir se você quiser que este termo faça mais sentido dentro de um workflow real de Solana.
Essas entradas são fáceis de misturar quando você lê rápido, faz prompting em um LLM ou está entrando em uma nova camada de Solana.
A native Solana program (address: ComputeBudget111111111111111111111111111111) that allows transactions to configure their compute resource limits. It provides two key instructions: SetComputeUnitLimit (set the max CU a transaction can consume, up to 1.4M) and SetComputeUnitPrice (set the micro-lamport price per CU for priority fees). These instructions must appear before any program instructions in the transaction.
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The unit used to express compute unit pricing for priority fees on Solana. One lamport equals 1,000,000 micro-lamports. When setting a compute unit price via the Compute Budget Program, the price is specified in micro-lamports per compute unit. The total priority fee is calculated as (compute unit price in micro-lamports * compute units consumed) / 1,000,000, rounded down to lamports.
A measure of computational resources consumed by transaction execution, analogous to gas on Ethereum. Each BPF instruction costs CU; syscalls have predefined CU costs (e.g., SHA-256: 85 CU base + per-byte). Default per-instruction limit is 200,000 CU; max per-transaction is 1,400,000 CU. Priority fee cost = CU price × CU consumed.
An optional additional fee paid on top of the base fee to increase the likelihood that a transaction is processed quickly by the current leader, expressed as a price in micro-lamports per compute unit (CU). The total priority fee equals (compute unit price × compute unit limit) / 1,000,000 lamports. Leaders sort transactions in their queue by fee-per-CU, so setting a competitive priority fee is the primary mechanism for ensuring reliable transaction landing during congestion.
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The fundamental data storage unit on Solana. Every piece of state is stored in an account identified by a 32-byte public key. Accounts hold a lamport balance, an owner program, a data byte array (up to 10MB), and an executable flag. Only the owning program can modify an account's data, but anyone can credit lamports to it.
Executable code deployed on-chain, equivalent to a smart contract on other blockchains. Programs are stateless—they store no data themselves but read/write data in separate accounts they own. Programs are compiled to SBF bytecode and loaded via the BPF Loader. Every program has a unique Program ID (its account's public key).
A single operation within a transaction that invokes a program. An instruction specifies: (1) the program ID to call, (2) an array of account metas (pubkey, is_signer, is_writable), and (3) an opaque data byte array. Programs decode the instruction data to determine which operation to perform.
An atomic unit of execution containing one or more instructions, a recent blockhash, and one or more signatures. All instructions in a transaction execute sequentially and atomically—if any instruction fails, the entire transaction reverts. Transactions have a 1,232-byte size limit (matching IPv6 MTU) and a default 200,000 CU budget.