rich7420 commented on code in PR #649:
URL: https://github.com/apache/mahout/pull/649#discussion_r2572967154
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qdp/qdp-python/src/lib.rs:
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@@ -0,0 +1,58 @@
+use pyo3::prelude::*;
+use pyo3::exceptions::PyRuntimeError;
+use qdp_core::QdpEngine as CoreEngine;
+
+/// PyO3 wrapper for QdpEngine
+///
+/// Provides Python bindings for GPU-accelerated quantum state encoding.
+#[pyclass]
+struct QdpEngine {
+ engine: CoreEngine,
+}
+
+#[pymethods]
+impl QdpEngine {
+ /// Initialize QDP engine on specified GPU device
+ ///
+ /// Args:
+ /// device_id: CUDA device ID (typically 0)
+ ///
+ /// Returns:
+ /// QdpEngine instance
+ ///
+ /// Raises:
+ /// RuntimeError: If CUDA device initialization fails
+ #[new]
+ fn new(device_id: usize) -> PyResult<Self> {
Review Comment:
wow the part of `if self.consumed` is so good.
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