diff options
| author | Determinant <[email protected]> | 2016-01-13 12:05:48 +0800 |
|---|---|---|
| committer | Determinant <[email protected]> | 2016-01-13 12:05:48 +0800 |
| commit | 3f742c01540b8bad940d66331d562082a63d975b (patch) | |
| tree | 25ed764f4ac9ee6694d8bff3745eafe5da5ae827 /kaldi_io/init.lua | |
| parent | f9b78f6bc35cd5c0c117a5e523ef6aab96dee5c3 (diff) | |
support pure CPU reader
Diffstat (limited to 'kaldi_io/init.lua')
| -rw-r--r-- | kaldi_io/init.lua | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/kaldi_io/init.lua b/kaldi_io/init.lua index e538ee5..2173230 100644 --- a/kaldi_io/init.lua +++ b/kaldi_io/init.lua @@ -7,6 +7,11 @@ function KaldiReader:__init(global_conf, reader_conf) self.frm_ext = reader_conf.frm_ext self.need_key = reader_conf.need_key -- for sequence training self.gconf = global_conf + if self.gconf.use_cpu then + self.mat_type = self.gconf.mmat_type + else + self.mat_type = self.gconf.cumat_type + end self.debug = global_conf.debug if self.debug == nil then self.debug = false @@ -41,12 +46,15 @@ function KaldiReader:get_data() end local res = {} -- read Kaldi feature - local raw = self.gconf.cumat_type.new_from_host(self.feat_repo:cur_utter(self.debug)) + local raw = self.feat_repo:cur_utter(self.debug) + if not self.gconf.use_cpu then + raw = self.gconf.cumat_type.new_from_host(raw) + end local rearranged if self.frm_ext and self.frm_ext > 0 then local step = self.frm_ext * 2 + 1 -- expand the feature - local expanded = self.gconf.cumat_type(raw:nrow(), raw:ncol() * step) + local expanded = self.mat_type(raw:nrow(), raw:ncol() * step) expanded:expand_frm(raw, self.frm_ext) -- rearrange the feature (``transpose'' operation in TNet) if self.gconf.rearrange then @@ -63,8 +71,12 @@ function KaldiReader:get_data() feat_utter = self.gconf.mmat_type(rearranged:nrow() - self.gconf.frm_trim * 2, rearranged:ncol()) rearranged:copy_toh(feat_utter, self.gconf.frm_trim, rearranged:nrow() - self.gconf.frm_trim) else - feat_utter = self.gconf.mmat_type(rearranged:nrow(), rearranged:ncol()) - rearranged:copy_toh(feat_utter) + if self.gconf.use_cpu then + feat_utter = rearranged + else + feat_utter = self.gconf.mmat_type(rearranged:nrow(), rearranged:ncol()) + rearranged:copy_toh(feat_utter) + end end res[self.feat_id] = feat_utter if self.need_key then |