From e39fb231f64ddc8b79a6eb5434f529aadb3165fe Mon Sep 17 00:00:00 2001 From: Yimmon Zhuang Date: Sat, 10 Oct 2015 22:29:30 +0800 Subject: move sequence related layers to kaldi_seq --- kaldi_seq/Makefile | 6 ++++-- kaldi_seq/init.lua | 2 ++ kaldi_seq/layer/mmi.lua | 50 +++++++++++++++++++++++++++++++++++++++++++++++ kaldi_seq/layer/mpe.lua | 52 +++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 108 insertions(+), 2 deletions(-) create mode 100644 kaldi_seq/init.lua create mode 100644 kaldi_seq/layer/mmi.lua create mode 100644 kaldi_seq/layer/mpe.lua (limited to 'kaldi_seq') diff --git a/kaldi_seq/Makefile b/kaldi_seq/Makefile index 1232c5a..e76eea8 100644 --- a/kaldi_seq/Makefile +++ b/kaldi_seq/Makefile @@ -6,9 +6,10 @@ BUILD_DIR := $(CURDIR)/build INC_PATH := $(LUA_BINDIR)/../include/ OBJS := init.o src/kaldi_mpe.o src/kaldi_mmi.o src/init.o LIBS := libkaldiseq.so +LUA_LIBS := init.lua layer/mpe.lua layer/mmi.lua INCLUDE := -I $(LUA_INCDIR) -I $(INC_PATH) -DLUA_USE_APICHECK -SUBDIR := src +SUBDIR := src layer OBJ_DIR := $(BUILD_DIR)/objs LUA_DIR := $(INST_LUADIR)/kaldi_seq KALDIINCLUDE := -I $(KDIR)/tools/ATLAS/include/ -I $(KDIR)/tools/openfst/include/ -I $(KDIR)/src/ @@ -17,10 +18,11 @@ OBJS := $(addprefix $(OBJ_DIR)/,$(OBJS)) LIBS := $(addprefix $(INST_LIBDIR)/,$(LIBS)) OBJ_SUBDIR := $(addprefix $(OBJ_DIR)/,$(SUBDIR)) LUA_SUBDIR := $(addprefix $(LUA_DIR)/,$(SUBDIR)) +LUA_LIBS := $(addprefix $(LUA_DIR)/,$(LUA_LIBS)) LIB_PATH := $(LUA_BINDIR)/../lib build: $(OBJ_DIR) $(OBJ_SUBDIR) $(OBJS) -install: $(LUA_DIR) $(LUA_SUBDIR) $(LIBS) +install: $(LUA_DIR) $(LUA_SUBDIR) $(LUA_LIBS) $(LIBS) include $(KDIR)/src/kaldi.mk diff --git a/kaldi_seq/init.lua b/kaldi_seq/init.lua new file mode 100644 index 0000000..39f4cb3 --- /dev/null +++ b/kaldi_seq/init.lua @@ -0,0 +1,2 @@ +nerv.include('layer/mpe.lua') +nerv.include('layer/mmi.lua') diff --git a/kaldi_seq/layer/mmi.lua b/kaldi_seq/layer/mmi.lua new file mode 100644 index 0000000..ecc7f48 --- /dev/null +++ b/kaldi_seq/layer/mmi.lua @@ -0,0 +1,50 @@ +require 'libkaldiseq' +local MMILayer = nerv.class("nerv.MMILayer", "nerv.Layer") + +function MMILayer:__init(id, global_conf, layer_conf) + self.id = id + self.gconf = global_conf + self.dim_in = layer_conf.dim_in + self.dim_out = layer_conf.dim_out + self.arg = layer_conf.cmd.arg + self.mdl = layer_conf.cmd.mdl + self.lat = layer_conf.cmd.lat + self.ali = layer_conf.cmd.ali + self:check_dim_len(2, -1) -- two inputs: nn output and utt key +end + +function MMILayer:init(batch_size) + self.total_frames = 0 + self.kaldi_mmi = nerv.KaldiMMI(self.arg, self.mdl, self.lat, self.ali) + if self.kaldi_mmi == nil then + nerv.error("kaldi arguments is expected: %s %s %s %s", self.arg, + self.mdl, self.lat, self.ali) + end +end + +function MMILayer:batch_resize(batch_size) + -- do nothing +end + +function MMILayer:update(bp_err, input, output) + -- no params, therefore do nothing +end + +function MMILayer:propagate(input, output) + self.valid = false + self.valid = self.kaldi_mmi:check(input[1], input[2]) + return self.valid +end + +function MMILayer:back_propagate(bp_err, next_bp_err, input, output) + if self.valid ~= true then + nerv.error("kaldi sequence training back_propagate fail") + end + local mmat = input[1]:new_to_host() + next_bp_err[1]:copy_fromh(self.kaldi_mmi:calc_diff(mmat, input[2])) + self.total_frames = self.total_frames + self.kaldi_mmi:get_num_frames() +end + +function MMILayer:get_params() + return nerv.ParamRepo({}) +end diff --git a/kaldi_seq/layer/mpe.lua b/kaldi_seq/layer/mpe.lua new file mode 100644 index 0000000..ec8a8f3 --- /dev/null +++ b/kaldi_seq/layer/mpe.lua @@ -0,0 +1,52 @@ +require 'libkaldiseq' +local MPELayer = nerv.class("nerv.MPELayer", "nerv.Layer") + +function MPELayer:__init(id, global_conf, layer_conf) + self.id = id + self.gconf = global_conf + self.dim_in = layer_conf.dim_in + self.dim_out = layer_conf.dim_out + self.arg = layer_conf.cmd.arg + self.mdl = layer_conf.cmd.mdl + self.lat = layer_conf.cmd.lat + self.ali = layer_conf.cmd.ali + self:check_dim_len(2, -1) -- two inputs: nn output and utt key +end + +function MPELayer:init(batch_size) + self.total_correct = 0 + self.total_frames = 0 + self.kaldi_mpe = nerv.KaldiMPE(self.arg, self.mdl, self.lat, self.ali) + if self.kaldi_mpe == nil then + nerv.error("kaldi arguments is expected: %s %s %s %s", self.arg, + self.mdl, self.lat, self.ali) + end +end + +function MPELayer:batch_resize(batch_size) + -- do nothing +end + +function MPELayer:update(bp_err, input, output) + -- no params, therefore do nothing +end + +function MPELayer:propagate(input, output) + self.valid = false + self.valid = self.kaldi_mpe:check(input[1], input[2]) + return self.valid +end + +function MPELayer:back_propagate(bp_err, next_bp_err, input, output) + if self.valid ~= true then + nerv.error("kaldi sequence training back_propagate fail") + end + local mmat = input[1]:new_to_host() + next_bp_err[1]:copy_fromh(self.kaldi_mpe:calc_diff(mmat, input[2])) + self.total_frames = self.total_frames + self.kaldi_mpe:get_num_frames() + self.total_correct = self.total_correct + self.kaldi_mpe:get_utt_frame_acc() +end + +function MPELayer:get_params() + return nerv.ParamRepo({}) +end -- cgit v1.2.3-70-g09d2