hive-gpu 0.2.0

High-performance GPU acceleration for vector operations with Device Info API (Metal, CUDA, ROCm)
Documentation 
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//! # Metal Buffer Pool
//!
//! Efficient buffer pooling for Metal GPU operations to reduce allocation overhead.

use super::context::MetalNativeContext;
use crate::error::{HiveGpuError, Result};
use objc2::rc::Retained;
use objc2::runtime::ProtocolObject;
use objc2_metal::MTLBuffer;
use std::sync::Arc;

/// Metal Buffer Pool
#[cfg(all(target_os = "macos", feature = "metal-native"))]
#[derive(Debug)]
pub struct MetalBufferPool {
    context: Arc<MetalNativeContext>,
    // Implementation details would go here
}

#[cfg(all(target_os = "macos", feature = "metal-native"))]
impl MetalBufferPool {
    /// Create new buffer pool
    pub fn new(context: Arc<MetalNativeContext>) -> Result<Self> {
        Ok(Self { context })
    }

    /// Get buffer from pool
    pub fn get_buffer(&mut self, size: usize) -> Result<Retained<ProtocolObject<dyn MTLBuffer>>> {
        // This is a placeholder implementation
        Err(HiveGpuError::Other(
            "Buffer pool not implemented yet".to_string(),
        ))
    }

    /// Return buffer to pool
    pub fn return_buffer(&mut self, buffer: Retained<ProtocolObject<dyn MTLBuffer>>) -> Result<()> {
        // This is a placeholder implementation
        Ok(())
    }
}