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rtx-cfd legacy GPU modules: cudarc 0.18 API — unsafe launches, the stream accessor, memcpy_htod argument order; the renamed k-ε constants and ::standard(); get_module clones; CfdConfig test literals take ..Default
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This commit is contained in:
Omar Sobh
2026-09-16 07:16:39 -05:00
parent de435eb91c
commit 5e402918bb
6 changed files with 432 additions and 378 deletions
Download Patch File Download Diff File Expand all files Collapse all files
crates/specialized/rtx-cfd/src/solvers/lbm/d2q9_gpu.rs
+106 -92
View File
@@ -215,20 +215,22 @@ impl D2Q9GpuSolver {
};
unsafe {
self.kernel_manager
.stream()
.launch_builder(&func)
.arg(&mut f.clone())
.arg(density)
.arg(velocity_x)
.arg(velocity_y)
.arg(&(self.cs2 as f32))
.arg(&(nx as i32))
.arg(&(ny as i32))
.launch(config)
.map_err(|e| {
CfdError::gpu_error(&format!("Equilibrium init kernel launch failed: {}", e))
})?;
unsafe {
self.kernel_manager
.stream()
.launch_builder(&func)
.arg(&mut f.clone())
.arg(density)
.arg(velocity_x)
.arg(velocity_y)
.arg(&(self.cs2 as f32))
.arg(&(nx as i32))
.arg(&(ny as i32))
.launch(config)
.map_err(|e| {
CfdError::gpu_error(&format!("Equilibrium init kernel launch failed: {}", e))
})?;
}
}
self.kernel_manager.synchronize()?;
@@ -281,18 +283,20 @@ impl D2Q9GpuSolver {
};
unsafe {
self.kernel_manager
.stream()
.launch_builder(&func)
.arg(&mut buffers.f.clone())
.arg(&buffers.f_eq)
.arg(&(self.omega as f32))
.arg(&(buffers.nx as i32))
.arg(&(buffers.ny as i32))
.launch(config)
.map_err(|e| {
CfdError::gpu_error(&format!("Collision kernel launch failed: {}", e))
})?;
unsafe {
self.kernel_manager
.stream()
.launch_builder(&func)
.arg(&mut buffers.f.clone())
.arg(&buffers.f_eq)
.arg(&(self.omega as f32))
.arg(&(buffers.nx as i32))
.arg(&(buffers.ny as i32))
.launch(config)
.map_err(|e| {
CfdError::gpu_error(&format!("Collision kernel launch failed: {}", e))
})?;
}
}
self.kernel_manager.synchronize()?;
@@ -324,17 +328,19 @@ impl D2Q9GpuSolver {
};
unsafe {
self.kernel_manager
.stream()
.launch_builder(&func)
.arg(&mut buffers.f_temp.clone())
.arg(&buffers.f)
.arg(&(buffers.nx as i32))
.arg(&(buffers.ny as i32))
.launch(config)
.map_err(|e| {
CfdError::gpu_error(&format!("Streaming kernel launch failed: {}", e))
})?;
unsafe {
self.kernel_manager
.stream()
.launch_builder(&func)
.arg(&mut buffers.f_temp.clone())
.arg(&buffers.f)
.arg(&(buffers.nx as i32))
.arg(&(buffers.ny as i32))
.launch(config)
.map_err(|e| {
CfdError::gpu_error(&format!("Streaming kernel launch failed: {}", e))
})?;
}
}
// Swap buffers: f = f_temp
@@ -368,22 +374,24 @@ impl D2Q9GpuSolver {
};
unsafe {
self.kernel_manager
.stream()
.launch_builder(&func)
.arg(&mut buffers.density.clone())
.arg(&mut buffers.velocity_x.clone())
.arg(&mut buffers.velocity_y.clone())
.arg(&buffers.f)
.arg(&(buffers.nx as i32))
.arg(&(buffers.ny as i32))
.launch(config)
.map_err(|e| {
CfdError::gpu_error(&format!(
"Macroscopic variables kernel launch failed: {}",
e
))
})?;
unsafe {
self.kernel_manager
.stream()
.launch_builder(&func)
.arg(&mut buffers.density.clone())
.arg(&mut buffers.velocity_x.clone())
.arg(&mut buffers.velocity_y.clone())
.arg(&buffers.f)
.arg(&(buffers.nx as i32))
.arg(&(buffers.ny as i32))
.launch(config)
.map_err(|e| {
CfdError::gpu_error(&format!(
"Macroscopic variables kernel launch failed: {}",
e
))
})?;
}
}
self.kernel_manager.synchronize()?;
@@ -415,19 +423,21 @@ impl D2Q9GpuSolver {
};
unsafe {
self.kernel_manager
.stream()
.launch_builder(&func)
.arg(&mut buffers.f_eq.clone())
.arg(&buffers.density)
.arg(&buffers.velocity_x)
.arg(&buffers.velocity_y)
.arg(&(buffers.nx as i32))
.arg(&(buffers.ny as i32))
.launch(config)
.map_err(|e| {
CfdError::gpu_error(&format!("Equilibrium kernel launch failed: {}", e))
})?;
unsafe {
self.kernel_manager
.stream()
.launch_builder(&func)
.arg(&mut buffers.f_eq.clone())
.arg(&buffers.density)
.arg(&buffers.velocity_x)
.arg(&buffers.velocity_y)
.arg(&(buffers.nx as i32))
.arg(&(buffers.ny as i32))
.launch(config)
.map_err(|e| {
CfdError::gpu_error(&format!("Equilibrium kernel launch failed: {}", e))
})?;
}
}
self.kernel_manager.synchronize()?;
@@ -459,16 +469,18 @@ impl D2Q9GpuSolver {
};
unsafe {
self.kernel_manager
.stream()
.launch_builder(&func)
.arg(&mut buffers.f.clone())
.arg(&(buffers.nx as i32))
.arg(&(buffers.ny as i32))
.launch(config)
.map_err(|e| {
CfdError::gpu_error(&format!("Boundary kernel launch failed: {}", e))
})?;
unsafe {
self.kernel_manager
.stream()
.launch_builder(&func)
.arg(&mut buffers.f.clone())
.arg(&(buffers.nx as i32))
.arg(&(buffers.ny as i32))
.launch(config)
.map_err(|e| {
CfdError::gpu_error(&format!("Boundary kernel launch failed: {}", e))
})?;
}
}
self.kernel_manager.synchronize()?;
@@ -513,22 +525,24 @@ impl D2Q9GpuSolver {
};
unsafe {
self.kernel_manager
.stream()
.launch_builder(&func)
.arg(&mut buffers.f.clone())
.arg(&mut buffers.density.clone())
.arg(&mut buffers.velocity_x.clone())
.arg(&mut buffers.velocity_y.clone())
.arg(&(density as f32))
.arg(&(velocity.x as f32))
.arg(&(velocity.y as f32))
.arg(&(buffers.nx as i32))
.arg(&(buffers.ny as i32))
.launch(config)
.map_err(|e| {
CfdError::gpu_error(&format!("Initialization kernel launch failed: {}", e))
})?;
unsafe {
self.kernel_manager
.stream()
.launch_builder(&func)
.arg(&mut buffers.f.clone())
.arg(&mut buffers.density.clone())
.arg(&mut buffers.velocity_x.clone())
.arg(&mut buffers.velocity_y.clone())
.arg(&(density as f32))
.arg(&(velocity.x as f32))
.arg(&(velocity.y as f32))
.arg(&(buffers.nx as i32))
.arg(&(buffers.ny as i32))
.launch(config)
.map_err(|e| {
CfdError::gpu_error(&format!("Initialization kernel launch failed: {}", e))
})?;
}
}
self.kernel_manager.synchronize()?;