From 3bafc040d738354e5184d42943e10533339cbf32 Mon Sep 17 00:00:00 2001
From: Berk Hess <hess@kth.se>
Date: Fri, 4 Jan 2019 22:57:35 +0100
Subject: [PATCH] Remove now usused GPU alloc/free functions

Change-Id: Ifbb424162dd642ecca662ac6a5cb476c24649f0f
---
 src/gromacs/gpu_utils/gpu_utils.cpp     | 12 ------------
 src/gromacs/gpu_utils/gpu_utils.cu      | 16 ----------------
 src/gromacs/gpu_utils/gpu_utils.h       | 19 -------------------
 src/gromacs/gpu_utils/gpu_utils_ocl.cpp | 16 ----------------
 4 files changed, 63 deletions(-)

diff --git a/src/gromacs/gpu_utils/gpu_utils.cpp b/src/gromacs/gpu_utils/gpu_utils.cpp
index 7105b498c2..81778c0111 100644
--- a/src/gromacs/gpu_utils/gpu_utils.cpp
+++ b/src/gromacs/gpu_utils/gpu_utils.cpp
@@ -51,18 +51,6 @@
 #include "gromacs/utility/stringutil.h"
 
 #if !GMX_GPU
-/*! \brief Set allocation functions used by the GPU host
- *
- * Since GPU support is not configured, there is no host memory to
- * allocate. */
-void gpu_set_host_malloc_and_free(bool /*unused*/,
-                                  gmx_host_alloc_t **nb_alloc,
-                                  gmx_host_free_t  **nb_free)
-{
-    *nb_alloc = nullptr;
-    *nb_free  = nullptr;
-}
-
 int gpu_info_get_stat(const gmx_gpu_info_t & /*unused*/, int /*unused*/)
 {
     return egpuNonexistent;
diff --git a/src/gromacs/gpu_utils/gpu_utils.cu b/src/gromacs/gpu_utils/gpu_utils.cu
index 9fbde4f09a..17288e9bfb 100644
--- a/src/gromacs/gpu_utils/gpu_utils.cu
+++ b/src/gromacs/gpu_utils/gpu_utils.cu
@@ -498,22 +498,6 @@ size_t sizeof_gpu_dev_info(void)
     return sizeof(gmx_device_info_t);
 }
 
-void gpu_set_host_malloc_and_free(bool               bUseGpuKernels,
-                                  gmx_host_alloc_t **nb_alloc,
-                                  gmx_host_free_t  **nb_free)
-{
-    if (bUseGpuKernels)
-    {
-        *nb_alloc = &pmalloc;
-        *nb_free  = &pfree;
-    }
-    else
-    {
-        *nb_alloc = nullptr;
-        *nb_free  = nullptr;
-    }
-}
-
 void startGpuProfiler(void)
 {
     /* The NVPROF_ID environment variable is set by nvprof and indicates that
diff --git a/src/gromacs/gpu_utils/gpu_utils.h b/src/gromacs/gpu_utils/gpu_utils.h
index 6755f1c587..8869338e47 100644
--- a/src/gromacs/gpu_utils/gpu_utils.h
+++ b/src/gromacs/gpu_utils/gpu_utils.h
@@ -227,25 +227,6 @@ OPENCL_FUNC_TERM_WITH_RETURN(false)
 GPU_FUNC_QUALIFIER
 size_t sizeof_gpu_dev_info() GPU_FUNC_TERM_WITH_RETURN(0)
 
-/*! \brief Returns a pointer *ptr to page-locked memory of size nbytes.
- *
- * The allocated memory is suitable to be used for data transfers between host
- * and GPU.
- * Error handling should be done within this function.
- */
-typedef void gmx_host_alloc_t (void **ptr, size_t nbytes);
-
-/*! \brief Frees page-locked memory pointed to by *ptr.
- *
- * NULL should not be passed to this function.
- */
-typedef void gmx_host_free_t (void *ptr);
-
-/*! \brief Set page-locked memory allocation functions used by the GPU host. */
-void gpu_set_host_malloc_and_free(bool               bUseGpuKernels,
-                                  gmx_host_alloc_t **nb_alloc,
-                                  gmx_host_free_t  **nb_free);
-
 //! Get status of device with specified index
 int gpu_info_get_stat(const gmx_gpu_info_t &info, int index);
 
diff --git a/src/gromacs/gpu_utils/gpu_utils_ocl.cpp b/src/gromacs/gpu_utils/gpu_utils_ocl.cpp
index 83536a2571..d3ce8e0a88 100644
--- a/src/gromacs/gpu_utils/gpu_utils_ocl.cpp
+++ b/src/gromacs/gpu_utils/gpu_utils_ocl.cpp
@@ -600,22 +600,6 @@ size_t sizeof_gpu_dev_info()
     return sizeof(gmx_device_info_t);
 }
 
-void gpu_set_host_malloc_and_free(bool               bUseGpuKernels,
-                                  gmx_host_alloc_t **nb_alloc,
-                                  gmx_host_free_t  **nb_free)
-{
-    if (bUseGpuKernels)
-    {
-        *nb_alloc = &pmalloc;
-        *nb_free  = &pfree;
-    }
-    else
-    {
-        *nb_alloc = nullptr;
-        *nb_free  = nullptr;
-    }
-}
-
 int gpu_info_get_stat(const gmx_gpu_info_t &info, int index)
 {
     return info.gpu_dev[index].stat;
-- 
2.22.0