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author | Joe Zhao <ztuowen@gmail.com> | 2015-05-13 19:58:53 +0800 |
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committer | Joe Zhao <ztuowen@gmail.com> | 2015-05-13 19:58:53 +0800 |
commit | 47296445b3c5cbea101a5961ef784eb05c84f854 (patch) | |
tree | 2495539d095be74134c3ac1ed66a16ee7b79778f | |
parent | 52ca742e14e36cd37010bae9a7678dd5b1a7eaf5 (diff) | |
download | ranksvm-47296445b3c5cbea101a5961ef784eb05c84f854.tar.gz ranksvm-47296445b3c5cbea101a5961ef784eb05c84f854.tar.bz2 ranksvm-47296445b3c5cbea101a5961ef784eb05c84f854.zip |
mem tested
-rw-r--r-- | model/rankaccu.cpp | 2 | ||||
-rw-r--r-- | model/ranksvmtn.cpp | 16 | ||||
-rw-r--r-- | tools/dataProvider.h | 14 |
3 files changed, 18 insertions, 14 deletions
diff --git a/model/rankaccu.cpp b/model/rankaccu.cpp index ba8aee6..726f2c8 100644 --- a/model/rankaccu.cpp +++ b/model/rankaccu.cpp @@ -136,7 +136,7 @@ void rank_CMC(DataList &D,const std::vector<double> pred,CMC & cmc) { for (int k=j;k<=i;++k) if (orig[pred_rank[k]]>0) { - cout<<dat[pred_rank[k]]->qid<<" "<<pred[k]<<" "<< k-j<<endl; + LOG(INFO)<<"qid:"<<dat[pred_rank[k]]->qid<<"; pred:"<<pred[k]<<"; rank:"<< k-j; cmc.addEntry(k-j); break; // account only for the first match; } diff --git a/model/ranksvmtn.cpp b/model/ranksvmtn.cpp index d3ef3af..3136426 100644 --- a/model/ranksvmtn.cpp +++ b/model/ranksvmtn.cpp @@ -8,11 +8,12 @@ using namespace Eigen; const double C=1e-4; // Compensating & scaling // Main terminating criteria -const int maxiter = 20; // max iteration count +const int maxiter = 60; // max iteration count const double prec=1e-10; // precision // conjugate gradient const double cg_prec=1e-10; // precision -const int cg_maxiter = 30; +const int cg_maxiter = 10; +const int ls_maxiter = 10; // line search const double line_prec=1e-10; // precision const double line_turb=1e-15; // purturbation @@ -61,11 +62,13 @@ int cg_solve(RidList &D,const vector<int> &rank,const VectorXd &corr,const Vecto { // Non preconditioned version r_1 = res.dot(res); + if (iter) + LOG(INFO) << "CG iter "<<iter<<", r:"<<r_1; if (r_1<cg_prec) // Terminate condition break; - if (iter > cg_maxiter) + if (iter >= cg_maxiter) { - LOG(INFO) << "CG forced termination by maxiter, r:"<<r_1; + LOG(INFO) << "CG forced termination by maxiter"; break; } if (iter){ @@ -178,9 +181,10 @@ int line_search(const VectorXd &w,RidList &D,const VectorXd &corr,const VectorXd if (g*g/h<line_prec) break; ++iter; - if (iter > cg_maxiter) + LOG(INFO) << "line search iter "<<iter<<", prec:"<<g*g/h; + if (iter >= ls_maxiter) { - LOG(INFO) << "line search forced termination by maxiter, prec:"<<g*g/h; + LOG(INFO) << "line search forced termination by maxiter"; break; } } diff --git a/tools/dataProvider.h b/tools/dataProvider.h index a3f3d34..b8c14b2 100644 --- a/tools/dataProvider.h +++ b/tools/dataProvider.h @@ -66,7 +66,7 @@ public: other.clear(); } void setfSize(int fsize){n=fsize;} - int getfSize(){return n;} + inline int getfSize(){return n;} void addEntry(DataEntry* d){ int ext=false; for (int i=0;i<uniq.size();++i) @@ -80,19 +80,19 @@ public: else uniq.push_back(d); } - int getqSize() + inline int getqSize() { return (int)(uniq.size()+other.size()-1); } - int getuSize() + inline int getuSize() { return (int)uniq.size(); } - int getSize() + inline int getSize() { return getuSize()*getqSize(); } - Eigen::VectorXd getVec(int x){ + inline Eigen::VectorXd getVec(int x){ int a,b,n=getqSize(); a=x/n; b=x%n; @@ -106,8 +106,8 @@ public: vec=vec-other[b-uniq.size()+1]->feature; return vec.cwiseAbs(); }; - double getL(int x){ - int a,b,n=(int)(uniq.size()+other.size()-1); + inline double getL(int x){ + int a,b,n=getqSize(); a=x/n; b=x%n; if (b<uniq.size()-1) |