openvm_circuit::system::memory::offline_checker

Struct MemoryReadOrImmediateOperation

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pub struct MemoryReadOrImmediateOperation<'a, T, V> { /* private fields */ }
Expand description

Constraints and interactions for a logical memory read of (address, data) at time timestamp, supporting address.address_space = 0 for immediates.

If address.address_space is non-zero, it behaves like MemoryReadOperation. Otherwise, it constrains the immediate value appropriately.

The generic T type is intended to be AB::Expr where AB is the AirBuilder. The auxiliary columns are not expected to be expressions, so the generic V type is intended to be AB::Var.

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impl<F: AbstractField, V: Copy + Into<F>> MemoryReadOrImmediateOperation<'_, F, V>

The max degree of constraints is: IsZeroSubAir.subair_eval: deg(enabled) + max(deg(address.address_space) + deg(aux.is_immediate), deg(address.address_space) + deg(aux.is_zero_aux)) is_immediate check: deg(aux.is_immediate) + max(deg(data), deg(address.pointer)) eval_timestamps: deg(enabled) + max(1, deg(self.timestamp)) eval_bulk_access: refer to [MemoryOfflineChecker::eval_bulk_access]

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pub fn eval<AB>(self, builder: &mut AB, enabled: impl Into<AB::Expr>)
where AB: InteractionBuilder<Var = V, Expr = F>,

Evaluate constraints and send/receive interactions.

Auto Trait Implementations§

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impl<'a, T, V> Freeze for MemoryReadOrImmediateOperation<'a, T, V>
where T: Freeze,

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impl<'a, T, V> RefUnwindSafe for MemoryReadOrImmediateOperation<'a, T, V>
where T: RefUnwindSafe, V: RefUnwindSafe,

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impl<'a, T, V> Send for MemoryReadOrImmediateOperation<'a, T, V>
where T: Send, V: Sync,

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impl<'a, T, V> Sync for MemoryReadOrImmediateOperation<'a, T, V>
where T: Sync, V: Sync,

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impl<'a, T, V> Unpin for MemoryReadOrImmediateOperation<'a, T, V>
where T: Unpin,

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impl<'a, T, V> UnwindSafe for MemoryReadOrImmediateOperation<'a, T, V>
where T: UnwindSafe, V: RefUnwindSafe,

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