aboutsummaryrefslogtreecommitdiff
path: root/fastnn/device/device.c
diff options
context:
space:
mode:
authoruphantom <[email protected]>2015-08-28 17:41:14 +0800
committeruphantom <[email protected]>2015-08-28 17:41:14 +0800
commita68d3c982ed0dd4ef5bbc9e0c22b9ecf9565b924 (patch)
treebc59ef1a69b32276cc97454fbc3c881fc8c518cc /fastnn/device/device.c
parent1a9f63e351582f54fec7817927168cb1dbb0c1d6 (diff)
fastnn version 1.0
Diffstat (limited to 'fastnn/device/device.c')
-rw-r--r--fastnn/device/device.c178
1 files changed, 178 insertions, 0 deletions
diff --git a/fastnn/device/device.c b/fastnn/device/device.c
new file mode 100644
index 0000000..71d6ec1
--- /dev/null
+++ b/fastnn/device/device.c
@@ -0,0 +1,178 @@
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <lua.h>
+#include <lualib.h>
+#include <luaT/luaT.h>
+
+#include "../threads/lib/luaTHRD.h"
+#include "Device.h"
+
+
+const char *fastnn_device_tname = "fastnn.CDevice";
+
+
+static int device_new(lua_State *L)
+{
+ Device *device = NULL;
+ if(lua_gettop(L) == 0)
+ {
+ device = Device_new();
+ }
+ else if(lua_gettop(L) == 1)
+ {
+ long id = luaL_checkinteger(L, 1);
+ device = Device_newWithId(id);
+ }
+ else
+ luaL_error(L, "device: device new invalid arguments");
+ if (!device)
+ luaL_error(L, "device: device failed");
+
+ luaTHRD_pushudata(L, device, fastnn_device_tname);
+
+ return 1;
+}
+
+static int device_init(lua_State *L)
+{
+ Device *device = luaTHRD_checkudata(L, 1, fastnn_device_tname);
+ Status status;
+ Initialize(device, &status);
+ NERV_LUA_CHECK_STATUS(L, status);
+ return 0;
+}
+
+static int device_select_gpu(lua_State *L)
+{
+ Device *device = luaTHRD_checkudata(L, 1, fastnn_device_tname);
+
+ Status status;
+ if(lua_gettop(L) == 2)
+ {
+ int gpuid = luaL_checkinteger(L, 2);
+ SelectGPU(device, gpuid, &status);
+ NERV_LUA_CHECK_STATUS(L, status);
+ return 0;
+ }
+ else if(lua_gettop(L) == 1)
+ {
+ int gpuid = AutoSelectGPU(device, &status);
+ NERV_LUA_CHECK_STATUS(L, status);
+ lua_pushinteger(L, gpuid);
+ return 1;
+ }
+ else
+ luaL_error(L, "device: device select gpu failed");
+}
+
+static int device_id(lua_State *L)
+{
+ Device *device = luaTHRD_checkudata(L, 1, fastnn_device_tname);
+ lua_pushinteger(L, Device_id(device));
+ return 1;
+}
+
+static int device_tostring(lua_State *L)
+{
+ char str[STRLEN];
+ Device* device = luaTHRD_checkudata(L, 1, fastnn_device_tname);
+ snprintf(str, STRLEN, "%s <%lx>", fastnn_device_tname, Device_id(device));
+ lua_pushstring(L, str);
+ return 1;
+}
+
+static int device_destroy(lua_State *L)
+{
+ Device *device = luaTHRD_checkudata(L, 1, fastnn_device_tname);
+ Device_destroy(device);
+ //printf("device_destroy ... end\n");
+ return 0;
+}
+
+
+//////////////////////////////////////////////
+
+static int context_new(lua_State *L)
+{
+ CuContext *context = NULL;
+ if(lua_gettop(L) == 0)
+ {
+ context = CuContext_new();
+ }
+ else if(lua_gettop(L) == 1)
+ {
+ long id = luaL_checkinteger(L, 1);
+ context = CuContext_newWithId(id);
+ }
+ else
+ luaL_error(L, "device: context new invalid arguments");
+ if (!context)
+ luaL_error(L, "device: context failed");
+
+ luaTHRD_pushudata(L, context, nerv_context_tname);
+
+ return 1;
+}
+
+
+static int context_id(lua_State *L)
+{
+ CuContext *context = luaTHRD_checkudata(L, 1, nerv_context_tname);
+ lua_pushinteger(L, CuContext_id(context));
+ return 1;
+}
+
+static int context_tostring(lua_State *L)
+{
+ char str[STRLEN];
+ CuContext* context = luaTHRD_checkudata(L, 1, nerv_context_tname);
+ snprintf(str, STRLEN, "%s <%lx>", nerv_context_tname, CuContext_id(context));
+ lua_pushstring(L, str);
+ return 1;
+}
+
+static int context_destroy(lua_State *L)
+{
+ CuContext* context = luaTHRD_checkudata(L, 1, nerv_context_tname);
+ CuContext_destroy(context);
+ return 0;
+}
+
+
+static const struct luaL_Reg device__ [] = {
+ {"new", device_new},
+ {"__tostring", device_tostring},
+ {"id", device_id},
+ {"init", device_init},
+ {"select_gpu", device_select_gpu},
+ {"free", device_destroy},
+ {NULL, NULL}
+};
+
+static const struct luaL_Reg context__ [] = {
+ {"new", context_new},
+ {"__tostring", context_tostring},
+ {"id", context_id},
+ {"free", context_destroy},
+ {NULL, NULL}
+};
+
+
+void fastnn_init_device(lua_State *L)
+{
+ luaT_newmetatable(L, fastnn_device_tname, NULL, device_new, device_destroy, NULL);
+ luaL_register(L, NULL, device__);
+ lua_pop(L, 1);
+}
+
+void fastnn_init_context(lua_State *L)
+{
+ luaT_newmetatable(L, nerv_context_tname, NULL, context_new, context_destroy, NULL);
+ luaL_register(L, NULL, context__);
+ lua_pop(L, 1);
+}
+
+
+