Remove unused debug code

Author: mitmul

ggml/src/ggml-backend.cpp

@@ -243,15 +243,6 @@ void ggml_backend_tensor_set_async(ggml_backend_t backend, struct ggml_tensor *
 }
 
 void ggml_backend_tensor_get_async(ggml_backend_t backend, const struct ggml_tensor * tensor, void * data, size_t offset, size_t size) {
-    if (tensor->data == NULL) {
-        // For output tensors that may not have been properly allocated
-        if (tensor->flags & GGML_TENSOR_FLAG_OUTPUT) {
-            fprintf(stderr, "       Output tensor detected - this may indicate scheduling issue\n");
-            // Return zeros for now to prevent crash
-            memset(data, 0, size);
-            return;
-        }
-    }
     GGML_ASSERT(tensor->data != NULL && "tensor not allocated");
     GGML_ASSERT(offset + size <= ggml_nbytes(tensor) && "tensor read out of bounds");
 
@@ -270,14 +261,6 @@ void ggml_backend_tensor_set(struct ggml_tensor * tensor, const void * data, siz
         return;
     }
 
-    if (buf == NULL) {
-        // For input tensors, buffer allocation may happen later by the scheduler
-        if (tensor->flags & GGML_TENSOR_FLAG_INPUT) {
-            // fprintf(stderr, "WARNING: Skipping tensor_set for input tensor '%s' - buffer will be allocated by scheduler\n",
-            //         tensor->name ? tensor->name : "unnamed");
-            return;
-        }
-    }
     GGML_ASSERT(buf != NULL && "tensor buffer not set");
     GGML_ASSERT(tensor->data != NULL && "tensor not allocated");
     GGML_ASSERT(offset + size <= ggml_nbytes(tensor) && "tensor write out of bounds");
@@ -1666,17 +1649,7 @@ void ggml_backend_sched_set_tensor_backend(ggml_backend_sched_t sched, struct gg
 ggml_backend_t ggml_backend_sched_get_tensor_backend(ggml_backend_sched_t sched, struct ggml_tensor * node) {
     int backend_index = tensor_backend_id(node);
     if (backend_index == -1) {
-        // Try to assign to CPU backend as fallback for output tensors
-        if (node->flags & GGML_TENSOR_FLAG_OUTPUT) {
-            fprintf(stderr, "       Attempting to assign output tensor to CPU backend\n");
-            backend_index = sched->n_backends - 1; // CPU backend
-            tensor_backend_id(node) = backend_index;
-            SET_CAUSE(node, "out.cpu");
-        }
-
-        if (backend_index == -1) {
-            return NULL;
-        }
+        return NULL;
     }
     return sched->backends[backend_index];
 }

src/llama-context.cpp

@@ -9,6 +9,7 @@
 
 #include "ggml.h"
 
+#include <cmath>
 #include <cinttypes>
 #include <cstring>
 #include <limits>