add embedding_example

5 files changed, 241 insertions, 0 deletions

diff --git a/embedding_example/.gitignore b/embedding_example/.gitignore
new file mode 100644
index 0000000..8e68213
--- /dev/null
+++ b/embedding_example/.gitignore
@@ -0,0 +1,2 @@
+main
+main.o
diff --git a/embedding_example/Makefile b/embedding_example/Makefile
new file mode 100644
index 0000000..e4ee314
--- /dev/null
+++ b/embedding_example/Makefile
@@ -0,0 +1,9 @@
+CFLAG += -I ../install/include/luajit-2.0/  -I ../install/include/nerv/
+LDFLAG += -L../install/lib/ -lluajit-5.1 -Wl,-rpath=../install/lib/ -lluaT -lnervcore
+GCC := gcc
+
+main: main.o
+	$(GCC) -o $@ $<  $(LDFLAG)
+
+main.o: main.c
+	$(GCC) $(CFLAG) -o $@ $< -c
diff --git a/embedding_example/main.c b/embedding_example/main.c
new file mode 100644
index 0000000..4e70892
--- /dev/null
+++ b/embedding_example/main.c
@@ -0,0 +1,95 @@
+#include "lua.h"
+#include "lauxlib.h"
+#include "lualib.h"
+#include "matrix/matrix.h"
+#include "common.h"
+#include "luaT/luaT.h"
+#include <stdio.h>
+
+const char *nerv_matrix_host_float_tname = "nerv.MMatrixFloat";
+extern Matrix *nerv_matrix_host_float_create(long nrow, long ncol, Status *status);
+extern void nerv_matrix_host_float_data_retain(Matrix *self);
+extern void nerv_matrix_host_float_data_free(Matrix *self, Status *status);
+
+lua_State *L;
+Matrix *input, *output;
+Status status;
+
+void setup_nerv() {
+    L = lua_open();
+    luaL_openlibs(L);
+    luaL_loadfile(L, "setup_nerv.lua");
+    /* network configuration */
+    lua_pushstring(L, "swb_baseline_decode.lua");
+    if (lua_pcall(L, 1, LUA_MULTRET, 0))
+    {
+        printf("%s\n", luaL_checkstring(L, 1));
+        exit(1);
+    }
+    /* lua stack now: input width, output width, propagator */
+    input = nerv_matrix_host_float_create(1, luaL_checkinteger(L, 1), &status);
+    NERV_LUA_CHECK_STATUS(L, status);
+    output = nerv_matrix_host_float_create(1, luaL_checkinteger(L, 2), &status);
+    NERV_LUA_CHECK_STATUS(L, status);
+}
+
+
+void propagate(float for_fun) {
+    int i, j;
+    printf("ok: %d\n", lua_gettop(L));
+    lua_pushvalue(L, 3);
+    /* lua stack now: input width, output width, propagator, propagator */
+    for (i = 0; i < input->nrow; i++) /* nrow is actually 1 */
+    {
+        float *nerv_row = (float *)((char *)input->data.f + i * input->stride);
+        for (j = 0; j < input->ncol; j++)
+        {
+            nerv_row[j] = j * for_fun;
+        }
+    }
+    /* avoid gc */
+    nerv_matrix_host_float_data_retain(input);
+    nerv_matrix_host_float_data_retain(input);
+    nerv_matrix_host_float_data_retain(input);
+    nerv_matrix_host_float_data_retain(input);
+    nerv_matrix_host_float_data_retain(output);
+    nerv_matrix_host_float_data_retain(output);
+    nerv_matrix_host_float_data_retain(output);
+    nerv_matrix_host_float_data_retain(output);
+
+    luaT_pushudata(L, input, nerv_matrix_host_float_tname);
+    luaT_pushudata(L, output, nerv_matrix_host_float_tname);
+    /* lua stack now: input width, output width, propagator, propagator, input, output */
+    if (lua_pcall(L, 2, 0, 0)) /* call propagator with two parameters */
+    {
+        printf("%s\n", luaL_checkstring(L, -1));
+        exit(-1);
+    }
+    /* lua stack now: input width, output width, propagator */
+    printf("## caller ##\n");
+    for (i = 0; i < output->nrow; i++) /* nrow is actually 1 */
+    {
+        float *nerv_row = (float *)((char *)output->data.f + i * output->stride);
+        for (j = 0; j < output->ncol; j++)
+        {
+            printf("%.8f ", nerv_row[j]);
+        }
+        printf("\n");
+    }
+}
+
+void teardown_nerv() {
+    nerv_matrix_host_float_data_free(input, &status);
+    NERV_LUA_CHECK_STATUS(L, status);
+    nerv_matrix_host_float_data_free(output, &status);
+    NERV_LUA_CHECK_STATUS(L, status);
+}
+
+int main() {
+    setup_nerv();
+    propagate(1.0);
+    propagate(2.0);
+    propagate(3.0);
+    teardown_nerv();
+    return 0;
+}
diff --git a/embedding_example/setup_nerv.lua b/embedding_example/setup_nerv.lua
new file mode 100644
index 0000000..e33a1e7
--- /dev/null
+++ b/embedding_example/setup_nerv.lua
@@ -0,0 +1,26 @@
+package.path="/home/slhome/mfy43/.luarocks/share/lua/5.1/?.lua;/home/slhome/mfy43/.luarocks/share/lua/5.1/?/init.lua;/home/slhome/mfy43/nerv/install/share/lua/5.1/?.lua;/home/slhome/mfy43/nerv/install/share/lua/5.1/?/init.lua;"..package.path
+package.cpath="/home/slhome/mfy43/.luarocks/lib/lua/5.1/?.so;/home/slhome/mfy43/nerv/install/lib/lua/5.1/?.so;"..package.cpath
+local k,l,_=pcall(require,"luarocks.loader") _=k and l.add_context("nerv","scm-1")
+
+local args = {...}
+require 'nerv'
+dofile(args[1])
+local param_repo = nerv.ParamRepo()
+param_repo:import(gconf.initialized_param, nil, gconf)
+local sublayer_repo = make_sublayer_repo(param_repo)
+local layer_repo = make_layer_repo(sublayer_repo, param_repo)
+local network = get_network(layer_repo)
+local batch_size = 1
+network:init(batch_size)
+function propagator(input, output)
+    local gpu_input = nerv.CuMatrixFloat(input:nrow(), input:ncol())
+    local gpu_output = nerv.CuMatrixFloat(output:nrow(), output:ncol())
+    gpu_input:copy_fromh(input)
+    print(gpu_input)
+    network:propagate({gpu_input}, {gpu_output})
+    gpu_output:copy_toh(output)
+    print(output)
+    -- collect garbage in-time to save GPU memory
+    collectgarbage("collect")
+end
+return network.dim_in[1], network.dim_out[1], propagator
diff --git a/embedding_example/swb_baseline_decode.lua b/embedding_example/swb_baseline_decode.lua
new file mode 100644
index 0000000..14a463b
--- /dev/null
+++ b/embedding_example/swb_baseline_decode.lua
@@ -0,0 +1,109 @@
+require 'htk_io'
+gconf = {lrate = 0.8, wcost = 1e-6, momentum = 0.9,
+        cumat_type = nerv.CuMatrixFloat,
+        mmat_type = nerv.MMatrixFloat,
+        frm_ext = 5,
+        tr_scp = "/slfs1/users/mfy43/swb_ivec/train_bp.scp",
+        cv_scp = "/slfs1/users/mfy43/swb_ivec/train_cv.scp",
+        htk_conf = "/slfs1/users/mfy43/swb_ivec/plp_0_d_a.conf",
+        initialized_param = {"/slfs1/users/mfy43/swb_init.nerv",
+                "/slfs1/users/mfy43/swb_global_transf.nerv"},
+        debug = false}
+
+function make_sublayer_repo(param_repo)
+    return nerv.LayerRepo(
+    {
+        -- global transf
+        ["nerv.BiasLayer"] =
+        {
+            blayer1 = {{bias = "bias1"}, {dim_in = {429}, dim_out = {429}}},
+            blayer2 = {{bias = "bias2"}, {dim_in = {429}, dim_out = {429}}}
+        },
+        ["nerv.WindowLayer"] =
+        {
+            wlayer1 = {{window = "window1"}, {dim_in = {429}, dim_out = {429}}},
+            wlayer2 = {{window = "window2"}, {dim_in = {429}, dim_out = {429}}}
+        },
+        -- biased linearity
+        ["nerv.AffineLayer"] =
+        {
+            affine0 = {{ltp = "affine0_ltp", bp = "affine0_bp"},
+            {dim_in = {429}, dim_out = {2048}}},
+            affine1 = {{ltp = "affine1_ltp", bp = "affine1_bp"},
+            {dim_in = {2048}, dim_out = {2048}}},
+            affine2 = {{ltp = "affine2_ltp", bp = "affine2_bp"},
+            {dim_in = {2048}, dim_out = {2048}}},
+            affine3 = {{ltp = "affine3_ltp", bp = "affine3_bp"},
+            {dim_in = {2048}, dim_out = {2048}}},
+            affine4 = {{ltp = "affine4_ltp", bp = "affine4_bp"},
+            {dim_in = {2048}, dim_out = {2048}}},
+            affine5 = {{ltp = "affine5_ltp", bp = "affine5_bp"},
+            {dim_in = {2048}, dim_out = {2048}}},
+            affine6 = {{ltp = "affine6_ltp", bp = "affine6_bp"},
+            {dim_in = {2048}, dim_out = {2048}}},
+            affine7 = {{ltp = "affine7_ltp", bp = "affine7_bp"},
+            {dim_in = {2048}, dim_out = {3001}}}
+        },
+        ["nerv.SigmoidLayer"] =
+        {
+            sigmoid0 = {{}, {dim_in = {2048}, dim_out = {2048}}},
+            sigmoid1 = {{}, {dim_in = {2048}, dim_out = {2048}}},
+            sigmoid2 = {{}, {dim_in = {2048}, dim_out = {2048}}},
+            sigmoid3 = {{}, {dim_in = {2048}, dim_out = {2048}}},
+            sigmoid4 = {{}, {dim_in = {2048}, dim_out = {2048}}},
+            sigmoid5 = {{}, {dim_in = {2048}, dim_out = {2048}}},
+            sigmoid6 = {{}, {dim_in = {2048}, dim_out = {2048}}}
+        },
+        ["nerv.SoftmaxLayer"] =
+        {
+            soutput = {{}, {dim_in = {3001}, dim_out = {3001}}}
+        }
+    }, param_repo, gconf)
+end
+
+function make_layer_repo(sublayer_repo, param_repo)
+    return nerv.LayerRepo(
+    {
+        ["nerv.DAGLayer"] =
+        {
+            global_transf = {{}, {
+                dim_in = {429}, dim_out = {429},
+                sub_layers = sublayer_repo,
+                connections = {
+                    ["<input>[1]"] = "blayer1[1]",
+                    ["blayer1[1]"] = "wlayer1[1]",
+                    ["wlayer1[1]"] = "blayer2[1]",
+                    ["blayer2[1]"] = "wlayer2[1]",
+                    ["wlayer2[1]"] = "<output>[1]"
+                }
+            }},
+            main = {{}, {
+                dim_in = {429}, dim_out = {3001},
+                sub_layers = sublayer_repo,
+                connections = {
+                    ["<input>[1]"] = "affine0[1]",
+                    ["affine0[1]"] = "sigmoid0[1]",
+                    ["sigmoid0[1]"] = "affine1[1]",
+                    ["affine1[1]"] = "sigmoid1[1]",
+                    ["sigmoid1[1]"] = "affine2[1]",
+                    ["affine2[1]"] = "sigmoid2[1]",
+                    ["sigmoid2[1]"] = "affine3[1]",
+                    ["affine3[1]"] = "sigmoid3[1]",
+                    ["sigmoid3[1]"] = "affine4[1]",
+                    ["affine4[1]"] = "sigmoid4[1]",
+                    ["sigmoid4[1]"] = "affine5[1]",
+                    ["affine5[1]"] = "sigmoid5[1]",
+                    ["sigmoid5[1]"] = "affine6[1]",
+                    ["affine6[1]"] = "sigmoid6[1]",
+                    ["sigmoid6[1]"] = "affine7[1]",
+                    ["affine7[1]"] = "soutput[1]",
+                    ["soutput[1]"] = "<output>[1]"
+                }
+            }}
+        }
+    }, param_repo, gconf)
+end
+
+function get_network(layer_repo)
+    return layer_repo:get_layer("main")
+end