cuda_rust_wasm/runtime/
mod.rs

1//! CUDA-compatible runtime for Rust
2
3pub mod device;
4pub mod memory;
5pub mod kernel;
6pub mod stream;
7pub mod event;
8pub mod grid;
9
10use crate::{Result, runtime_error};
11use std::sync::Arc;
12
13pub use grid::{Grid, Block, Dim3};
14pub use device::{Device, BackendType};
15pub use stream::Stream;
16pub use event::Event;
17pub use kernel::{launch_kernel, LaunchConfig, KernelFunction, ThreadContext};
18
19/// Main runtime context
20pub struct Runtime {
21    /// Current device
22    device: Arc<Device>,
23    /// Default stream
24    default_stream: Stream,
25}
26
27impl Runtime {
28    /// Create a new runtime instance
29    pub fn new() -> Result<Self> {
30        let device = Device::get_default()?;
31        let default_stream = Stream::new(device.clone())?;
32        
33        Ok(Self {
34            device,
35            default_stream,
36        })
37    }
38    
39    /// Get the current device
40    pub fn device(&self) -> &Arc<Device> {
41        &self.device
42    }
43    
44    /// Get the default stream
45    pub fn default_stream(&self) -> &Stream {
46        &self.default_stream
47    }
48    
49    /// Create a new stream
50    pub fn create_stream(&self) -> Result<Stream> {
51        Stream::new(self.device.clone())
52    }
53    
54    /// Synchronize all operations
55    pub fn synchronize(&self) -> Result<()> {
56        self.default_stream.synchronize()
57    }
58}
59
60/// Thread index access
61pub mod thread {
62    use super::grid::Dim3;
63    
64    /// Get current thread index
65    pub fn index() -> Dim3 {
66        // In actual implementation, this would access thread-local storage
67        // or backend-specific thread indexing
68        Dim3 { x: 0, y: 0, z: 0 }
69    }
70}
71
72/// Block index access
73pub mod block {
74    use super::grid::Dim3;
75    
76    /// Get current block index
77    pub fn index() -> Dim3 {
78        // In actual implementation, this would access block information
79        Dim3 { x: 0, y: 0, z: 0 }
80    }
81    
82    /// Get block dimensions
83    pub fn dim() -> Dim3 {
84        // In actual implementation, this would return actual block dimensions
85        Dim3 { x: 256, y: 1, z: 1 }
86    }
87}
88
89
90/// Synchronize threads within a block
91pub fn sync_threads() {
92    // In actual implementation, this would perform thread synchronization
93    // For now, this is a no-op placeholder
94}