inline void _release() {
a_tree.free(&t); t_num = 0;
s_config.reset();
s_sign.reset();
const_val = 0;
org_dim = -1;
}
inline void open(const char *fn, ios_base::openmode mode) {
s_fn.reset(fn);
ofs.open(fn, mode);
if (ofs.fail()) {
throw new AzException(AzFileIOError, "AzOfs::open", "Failed to open:", fn);
}
}
void reset(const AzTrTreeFeatInfo *inp) {
if (inp == NULL) return;
isRemoved = inp->isRemoved;
tx = inp->tx;
nx = inp->nx;
rule.reset(&inp->rule);
}
inline void reset() {
a_tree.free(&t); t_num = 0;
const_val = 0;
org_dim = -1;
s_param.reset();
dt_param = "";
temp_files.reset();
}
void warm_start(const AzTreeEnsemble *inp_ens,
const AzDataForTrTree *data,
AzParam ¶m,
const AzBytArr *s_temp_prefix,
const AzOut &out,
int max_t_num,
int search_t_num,
AzDvect *v_p, /* inout */
const AzIntArr *inp_ia_tr_dx=NULL)
{
const char *eyec = "AzTrTreeEnsemble::warmup";
if (max_t_num < inp_ens->size()) {
throw new AzException(eyec, "maximum #tree is less than the #tree we already have");
}
reset();
a_tree.alloc(&t, max_t_num, "AzTrTreeEnsemble::warmup");
t_num = inp_ens->size();
const_val = inp_ens->constant();
org_dim = inp_ens->orgdim();
if (org_dim > 0 && org_dim != data->featNum()) {
throw new AzException(AzInputError, eyec, "feature dimensionality mismatch");
}
const AzIntArr *ia_tr_dx = inp_ia_tr_dx;
AzIntArr ia_temp;
if (ia_tr_dx == NULL) {
ia_temp.range(0, data->dataNum());
ia_tr_dx = &ia_temp;
}
v_p->reform(data->dataNum());
v_p->add(const_val, ia_tr_dx);
T dummy_tree(param);
if (dummy_tree.usingInternalNodes()) {
throw new AzException(AzInputError, eyec,
"warm start is not allowed with use of internal nodes");
}
dummy_tree.printParam(out);
temp_files.reset(&dummy_tree, data->dataNum(), s_temp_prefix);
s_param.reset(param.c_str());
dt_param = s_param.c_str();
AzParam p(dt_param, false);
int tx;
for (tx = 0; tx < t_num; ++tx) {
t[tx] = new T(p);
t[tx]->forStoringDataIndexes(temp_files.point_file());
if (search_t_num > 0 && tx < t_num-search_t_num) {
t[tx]->quick_warmup(inp_ens->tree(tx), data, v_p, ia_tr_dx);
}
else {
t[tx]->warmup(inp_ens->tree(tx), data, v_p, ia_tr_dx);
}
}
}
virtual void format(AzBytArr &s, bool do_reset=false) const {
if (do_reset) s.reset();
// s.c("(");
int ix;
for (ix = 0; ix < ia_sz.size(); ++ix) {
if (ix > 0) s.c(" x ");
s.cn(ia_sz.get(ix));
}
// s.c(")");
}
AzTETmain(const AzTETselector *inp_alg_sel,
AzTET_Eval *inp_eval) : s_model_stem(dflt_model_stem), eval(NULL),
doLog(true), doDump(false), doAppend_eval(false),
doSaveLastModelOnly(false),
xv_doShuffle(false), xv_num(2),
doSparse_features(false), features_digits(10)
{
alg_sel = inp_alg_sel;
eval = inp_eval;
s_alg_name.reset(alg_sel->dflt_name());
}
/* static */
void AzTools_text::parse_cats(const AzBytArr *s_cat,
AzByte dlm, /* e.g., | for, e.g., GSPO|M11|M12 */
bool do_allow_multicat, bool do_allow_nocat,
const AzDic *dic_cat, AzIntArr *ia_cats, /*output */
int &multi_cat, int &no_cat, /* inout */
AzBytArr &s_err)
{
s_err.reset();
bool my_do_allow_multi = true;
_parse_cats(s_cat, dlm, my_do_allow_multi, dic_cat, ia_cats, multi_cat, no_cat);
int num = ia_cats->size();
if (num == 1) return;
if (num == 0) {
if (do_allow_nocat) return;
s_err.reset("For single-label classification, a data point without any label is not allowed. Specify ");
s_err << kw_do_allow_nocat << " to allow no-label data points.";
}
else if (num > 1) {
if (do_allow_multicat) return;
s_err.reset("For single-label classification, a data point with multiple labels is not allowed. Specify ");
s_err << kw_do_allow_multi << " to allow multi-label data points.";
}
}
//! copy nodes only; not split
void copy_nodes_from(const AzTrTreeEnsemble_ReadOnly *inp) {
reset();
const_val = inp->constant();
org_dim = inp->orgdim();
t_num = inp->size();
s_param.reset(inp->param_c_str());
dt_param = s_param.c_str();
AzParam p(dt_param, false);
a_tree.alloc(&t, t_num, "AzTrTreeEnsemble::copy_nodes_from");
for (int tx = 0; tx < t_num; ++tx) {
t[tx] = new T(p);
t[tx]->copy_nodes_from(inp->tree(tx));
}
}
inline void cold_start(
AzParam ¶m,
const AzBytArr *s_temp_prefix, /* may be NULL */
int data_num, /* to estimate the data size for temp */
const AzOut &out,
int tree_num_max,
int inp_org_dim) {
reset();
T dummy_tree(param);
dummy_tree.printParam(out);
s_param.reset(param.c_str());
dt_param = s_param.c_str();
alloc(tree_num_max, "AzTrTreeEnsemble::reset"); //@ allocate forest space
org_dim = inp_org_dim;
temp_files.reset(&dummy_tree, data_num, s_temp_prefix); //@ estimate the data size for temp and do something?
}
void reset(T *tree,
int data_num,
const AzBytArr *inp_s_temp_prefix) {
reset();
if (inp_s_temp_prefix == NULL || inp_s_temp_prefix->length() <= 0) {
return;
}
s_temp_prefix.reset(inp_s_temp_prefix);
unit_size = tree->estimateSizeofDataIndexes(data_num);
if (unit_size <= 0) {
return;
}
if (unit_size > max_size) {
throw new AzException(AzInputError, "AzTemp_forTrTreeEns::reset",
"Data size is too large.");
}
open_new_file();//@?
}
void setup_no_activation() {
s_activ_typ.reset("None");
typ = 'N';
trunc = -1;
}
void reset() {
unit_size = -1;
s_temp_prefix.reset();
pool_file.reset();
}
inline void reset(const AzTreeRule *inp) {
ba.reset();
if (inp == NULL) return;
ba.reset(&inp->ba);
}
