Fix warp kernel error in isaac sim

src/curobo/rollout/cost/bound_cost.py

@@ -23,7 +23,7 @@ from curobo.types.robot import JointState
 from curobo.types.tensor import T_DOF
 from curobo.util.logger import log_error
 from curobo.util.torch_utils import get_cache_fn_decorator, get_torch_jit_decorator
-from curobo.util.warp import init_warp
+from curobo.util.warp import init_warp, warp_support_kernel_key
 
 # Local Folder
 from .cost_base import CostBase, CostConfig
@@ -106,8 +106,15 @@ class BoundCost(CostBase, BoundCostConfig):
         )
         self._out_gv_buffer = self._out_ga_buffer = self._out_gj_buffer = empty_buffer
         if self.use_l2_kernel:
+            if not warp_support_kernel_key():
+                # define a compile-time constant so that warp hash is different for different dof
+                # this is required in older warp versions < 1.2.1 as warp hash didn't consider the
+                # name of kernels. Newer warp versions have fixed this issue.
+                WARP_CUROBO_BOUNDCOST_DOF_GLOBAL_CONSTANT = wp.constant(self.dof)
+
             if self.cost_type == BoundCostType.POSITION:
                 self._l2_cost = make_bound_pos_kernel(self.dof)
+
             if self.cost_type == BoundCostType.BOUNDS_SMOOTH:
                 self._l2_cost = make_bound_pos_smooth_kernel(self.dof)
 
@@ -1552,8 +1559,8 @@ def make_bound_pos_smooth_kernel(dof_template: int):
 
     module = wp.get_module(forward_bound_smooth_loop_warp.__module__)
     key = "forward_bound_smooth_loop_warp_" + str(dof_template)
-
-    return wp.Kernel(forward_bound_smooth_loop_warp, key=key, module=module)
+    new_kernel = wp.Kernel(forward_bound_smooth_loop_warp, key=key, module=module)
+    return new_kernel
 
 
 @get_cache_fn_decorator()
@@ -1650,6 +1657,7 @@ def make_bound_pos_kernel(dof_template: int):
             for i in range(dof_template):
                 out_grad_p[b_addrs + i] = g_p[i]
 
-    module = wp.get_module(forward_bound_pos_loop_warp.__module__)
-    key = "forward_bound_pos_loop_warp_" + str(dof_template)
-    return wp.Kernel(forward_bound_pos_loop_warp, key=key, module=module)
+    wp_module = wp.get_module(forward_bound_pos_loop_warp.__module__)
+    key = "bound_pos_loop_warp_" + str(dof_template)
+    new_kernel = wp.Kernel(forward_bound_pos_loop_warp, key=key, module=wp_module)
+    return new_kernel

src/curobo/rollout/cost/dist_cost.py

@@ -20,7 +20,7 @@ import warp as wp
 # CuRobo
 from curobo.util.logger import log_error
 from curobo.util.torch_utils import get_cache_fn_decorator, get_torch_jit_decorator
-from curobo.util.warp import init_warp
+from curobo.util.warp import init_warp, warp_support_kernel_key
 
 # Local Folder
 from .cost_base import CostBase, CostConfig
@@ -226,7 +226,8 @@ def make_l2_kernel(dof_template: int):
 
     module = wp.get_module(forward_l2_loop_warp.__module__)
     key = "forward_l2_loop" + str(dof_template)
-    return wp.Kernel(forward_l2_loop_warp, key=key, module=module)
+    new_kernel = wp.Kernel(forward_l2_loop_warp, key=key, module=module)
+    return new_kernel
 
 
 # create a bound cost tensor:
@@ -342,6 +343,12 @@ class DistCost(CostBase, DistCostConfig):
         self._init_post_config()
         init_warp()
         if self.use_l2_kernel:
+            if not warp_support_kernel_key():
+                # define a compile-time constant so that warp hash is different for different dof
+                # this is required in older warp versions < 1.2.1 as warp hash didn't consider the
+                # name of kernels. Newer warp versions have fixed this issue.
+                WARP_CUROBO_DISTCOST_DOF_GLOBAL_CONSTANT = wp.constant(self.dof)
+
             self._l2_dof_kernel = make_l2_kernel(self.dof)
 
     def _init_post_config(self):

src/curobo/util/warp.py

@@ -45,3 +45,18 @@ def warp_support_sdf_struct(wp_module=None):
         )
         return False
     return True
+
+
+def warp_support_kernel_key(wp_module=None):
+    if wp_module is None:
+        wp_module = wp
+    wp_version = wp_module.config.version
+
+    if version.parse(wp_version) < version.parse("1.2.1"):
+        log_info(
+            "Warp version is "
+            + wp_version
+            + " < 1.2.1, using, creating global constant to trigger kernel generation."
+        )
+        return False
+    return True

src/curobo/util_file.py

@@ -155,6 +155,8 @@ def get_files_from_dir(dir_path, extension: List[str], contains: str):
 
 
 def file_exists(path):
+    if path is None:
+        return False
     isExist = os.path.exists(path)
     return isExist
 

src/curobo/wrap/reacher/motion_gen.py

@@ -123,7 +123,6 @@ class MotionGenConfig:
 
     #: instance of trajectory optimization solver for final fine tuning for joint space targets.
     finetune_js_trajopt_solver: TrajOptSolver
-
     #: instance of trajectory optimization solver for final fine tuning.
     finetune_trajopt_solver: TrajOptSolver
 
@@ -2031,6 +2030,8 @@ class MotionGen(MotionGenConfig):
                 attribute to see if the query was successful.
         """
 
+        start_time = time.time()
+
         time_dict = {
             "solve_time": 0,
             "ik_time": 0,
@@ -2083,6 +2084,8 @@ class MotionGen(MotionGenConfig):
                 break
             if not result.valid_query:
                 break
+            if time.time() - start_time > plan_config.timeout:
+                break
 
         result.graph_time = time_dict["graph_time"]
         result.finetune_time = time_dict["finetune_time"]