ollama/llm/patches/03-cudaleaks.diff
Daniel Hiltgen fc39a6cd7a Fix cuda leaks
This should resolve the problem where we don't fully unload from the GPU
when we go idle.
2024-02-18 18:37:20 -08:00

116 lines
3.7 KiB
Diff

diff --git a/examples/server/server.cpp b/examples/server/server.cpp
index 3102762c..568ac1d0 100644
--- a/examples/server/server.cpp
+++ b/examples/server/server.cpp
@@ -307,6 +307,10 @@ struct llama_client_slot
}
};
+#ifdef GGML_USE_CUBLAS
+extern "C" GGML_CALL void ggml_free_cublas(void);
+#endif
+
struct llama_server_context
{
llama_model *model = nullptr;
@@ -353,6 +357,10 @@ struct llama_server_context
llama_free_model(model);
model = nullptr;
}
+#ifdef GGML_USE_CUBLAS
+ ggml_free_cublas();
+#endif
+
}
bool load_model(const gpt_params &params_)
@@ -3093,6 +3101,7 @@ int main(int argc, char **argv)
sigemptyset (&sigint_action.sa_mask);
sigint_action.sa_flags = 0;
sigaction(SIGINT, &sigint_action, NULL);
+ sigaction(SIGUSR1, &sigint_action, NULL);
#elif defined (_WIN32)
auto console_ctrl_handler = +[](DWORD ctrl_type) -> BOOL {
return (ctrl_type == CTRL_C_EVENT) ? (signal_handler(SIGINT), true) : false;
@@ -3106,3 +3115,4 @@ int main(int argc, char **argv)
llama_backend_free();
return 0;
}
+
diff --git a/ggml-cuda.cu b/ggml-cuda.cu
index 96976f24..3543920e 100644
--- a/ggml-cuda.cu
+++ b/ggml-cuda.cu
@@ -39,6 +39,7 @@
#define __shfl_xor_sync(mask, var, laneMask, width) __shfl_xor(var, laneMask, width)
#define cublasComputeType_t hipblasDatatype_t //deprecated, new hipblasComputeType_t not in 5.6
#define cublasCreate hipblasCreate
+#define cublasDestroy hipblasDestroy
#define cublasGemmEx hipblasGemmEx
#define cublasGemmBatchedEx hipblasGemmBatchedEx
#define cublasGemmStridedBatchedEx hipblasGemmStridedBatchedEx
@@ -7928,10 +7929,11 @@ GGML_CALL bool ggml_cublas_loaded(void) {
return g_cublas_loaded;
}
+static bool g_cublas_initialized = false;
+
GGML_CALL void ggml_init_cublas() {
- static bool initialized = false;
- if (!initialized) {
+ if (!g_cublas_initialized) {
#ifdef __HIP_PLATFORM_AMD__
// Workaround for a rocBLAS bug when using multiple graphics cards:
@@ -7941,7 +7943,7 @@ GGML_CALL void ggml_init_cublas() {
#endif
if (cudaGetDeviceCount(&g_device_count) != cudaSuccess) {
- initialized = true;
+ g_cublas_initialized = true;
g_cublas_loaded = false;
return;
}
@@ -8011,7 +8013,7 @@ GGML_CALL void ggml_init_cublas() {
// configure logging to stdout
// CUBLAS_CHECK(cublasLoggerConfigure(1, 1, 0, nullptr));
- initialized = true;
+ g_cublas_initialized = true;
g_cublas_loaded = true;
}
}
@@ -11528,3 +11530,17 @@ GGML_CALL int ggml_backend_cuda_reg_devices() {
}
return device_count;
}
+
+extern "C" GGML_CALL void ggml_free_cublas(void);
+GGML_CALL void ggml_free_cublas(void) {
+ for (int id = 0; id < g_device_count; ++id) {
+#if !defined(GGML_USE_HIPBLAS)
+ CU_CHECK(cuMemUnmap(g_cuda_pool_addr[id], g_cuda_pool_size[id]));
+ g_cuda_pool_size[id] = 0;
+ g_cuda_pool_addr[id] = 0;
+#endif
+ CUBLAS_CHECK(cublasDestroy(g_cublas_handles[id]));
+ g_cublas_handles[id] = nullptr;
+ }
+ g_cublas_initialized = false;
+}
\ No newline at end of file
diff --git a/ggml-cuda.h b/ggml-cuda.h
index b1ebd61d..b4c80c2c 100644
--- a/ggml-cuda.h
+++ b/ggml-cuda.h
@@ -20,6 +20,9 @@ extern "C" {
// Always success. To check if CUDA is actually loaded, use `ggml_cublas_loaded`.
GGML_API GGML_CALL void ggml_init_cublas(void);
+// Release CUDA resources
+GGML_API GGML_CALL void ggml_free_cublas(void);
+
// Returns `true` if there are available CUDA devices and cublas loads successfully; otherwise, it returns `false`.
GGML_API GGML_CALL bool ggml_cublas_loaded(void);