---
title: "ClikaRT::TracingScope"
sidebar_label: "TracingScope"
description: "While alive, the calling thread builds a LAZY graph: ops return Unscheduled placeholder tensors carrying lineage, and NO kernel runs. Call Tensor::synchronize() to materialize the graph in one pass."
---

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**Header:** `ClikaRT/compute/scope.h`

While alive, the calling thread builds a LAZY graph: ops return `Unscheduled` placeholder tensors carrying lineage, and NO kernel runs. Call [`Tensor::synchronize()`](./Tensor.md#synchronize) to materialize the graph in one pass. Outside the scope execution is eager (the default). Non-copyable, non-movable.

## Member functions

### TracingScope() {#TracingScope}

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**`TracingScope`**()

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Enter: this thread records ops symbolically (no kernels run) until exit.

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Declared in `ClikaRT/compute/scope.h`, line 71

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### \~TracingScope() {#TracingScope-2}

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**`~TracingScope`**()

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Exit: restores eager execution on this thread.

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Declared in `ClikaRT/compute/scope.h`, line 73

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### TracingScope(TracingScope) {#TracingScope-3}

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**`TracingScope`**(`const TracingScope&`) `=delete`

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Declared in `ClikaRT/compute/scope.h`, line 74

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### operator=() {#operator-assign}

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[`TracingScope`](./TracingScope.md)`&` **`operator=`**(`const` [`TracingScope`](./TracingScope.md)`&`) `=delete`

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Declared in `ClikaRT/compute/scope.h`, line 75

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