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View example.m
>> (A*P)'*(A*P)
ans =
1.8889 1.1881 1.4033 1.9244 1.5923 1.8274
1.1881 1.2118 1.5635 1.8397 1.3853 1.1210
1.4033 1.5635 2.2357 2.4439 1.8408 1.3483
1.9244 1.8397 2.4439 3.5828 2.0221 2.1862
1.5923 1.3853 1.8408 2.0221 2.0355 1.4963
1.8274 1.1210 1.3483 2.1862 1.4963 1.9846
View stacktrace.txt
sltu@c77:/scratch/stephentu/keystone(master)$ OMP_NUM_THREADS=1 KEYSTONE_MEM=200g time ./bin/run-pipeline.sh pipelines.images.cifar.RandomP
atchCifarFeaturizer --trainLocation ./cifar_train.bin --testLocation ./cifar_test.bin --numFilters 1024 --trainOutfile /mnt/sda/stephentu/c
ifar_train_featurized_augmented --testOutfile /mnt/sda/stephentu/cifar_test_featurized_augmented
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/scratch/stephentu/keystone/target/scala-2.10/keystoneml-assembly-0.3.0-SNAPSHOT.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/scratch/stephentu/spark-1.3.1-bin-cdh4/lib/spark-assembly-1.3.1-hadoop2.0.0-mr1-cdh4.2.0.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
convolver.resWidth 27 convolver.resHeight 27
View gist:49b1067bcd1cc8f60044
[error] Exception in thread "main" java.util.concurrent.ExecutionException: java.lang.NegativeArraySizeException
[error] at java.util.concurrent.FutureTask.report(FutureTask.java:122)
[error] at java.util.concurrent.FutureTask.get(FutureTask.java:188)
[error] at edu.berkeley.cs.cyclades.AuxiliaryFunctions$$anonfun$5.apply(AuxiliaryFunctions.scala:203)
[error] at edu.berkeley.cs.cyclades.AuxiliaryFunctions$$anonfun$5.apply(AuxiliaryFunctions.scala:203)
[error] at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:245)
[error] at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:245)
[error] at scala.collection.Iterator$class.foreach(Iterator.scala:750)
[error] at scala.collection.AbstractIterator.foreach(Iterator.scala:1202)
[error] at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
View gist:970ad6972be1043cbbb7
#pragma once
#include <atomic>
#include <cyclades/macros.hpp>
namespace cyclades {
// implements Lockable concept (C++11)
class spinlock {
public:
View gist:4830285f2b10fb760071
stephentu@fender ~$ ipython
Python 2.7.9 |Continuum Analytics, Inc.| (default, Mar 9 2015, 16:20:48)
Type "copyright", "credits" or "license" for more information.
IPython 3.1.0 -- An enhanced Interactive Python.
Anaconda is brought to you by Continuum Analytics.
Please check out: http://continuum.io/thanks and https://binstar.org
? -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help -> Python's own help system.
View gist:79d7115a741556658e48
stephentu@peavey:~/mlpack/build(master)$ make
[ 1%] Updating gitversion.hpp (if necessary)
-- Found Git: /usr/local/bin/git (found version "2.3.4")
-- gitversion.hpp is already up to date.
[ 1%] Built target mlpack_gitversion
Moving header files to include/mlpack/
[ 1%] Built target mlpack_headers
Linking CXX shared library ../../lib/libmlpack.dylib
Error running link command: No such file or directory
make[2]: *** [lib/libmlpack.1.0.dylib] Error 2
View gist:f45191fe75ea50bcda8f
stephentu@fender build-old(master)$ cmake -DARMADILLO_LIBRARY=$HOME/armadillo-4.000.5/libarmadillo.so -DARMADILLO_INCLUDE_DIR=$HOME/armadillo-4.000.5/include ..
-- The C compiler identification is GNU 4.9.2
-- The CXX compiler identification is GNU 4.9.2
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/c++
View gist:46275e68d224b58f3fcb
CMakeFiles/cf.dir/cf_main.cpp.o: In function `double arma::blas::dot<double>(unsigned int, double const*, double const*)':
/home/stephentu/armadillo-4.000.5/include/armadillo_bits/blas_wrapper.hpp:183: undefined reference to `wrapper_ddot_'
CMakeFiles/cf.dir/cf_main.cpp.o: In function `void arma::blas::gemv<double>(char const*, int const*, int const*, double const*, double const*, int const*, double const*, int const*, double const*, double*, int const*)':
/home/stephentu/armadillo-4.000.5/include/armadillo_bits/blas_wrapper.hpp:34: undefined reference to `wrapper_dgemv_'
CMakeFiles/cf.dir/cf_main.cpp.o: In function `void arma::blas::gemm<double>(char const*, char const*, int const*, int const*, int const*, double const*, double const*, int const*, double const*, int const*, double const*, double*, int const*)':
/home/stephentu/armadillo-4.000.5/include/armadillo_bits/blas_wrapper.hpp:69: undefined reference to `wrapper_dgemm_'
CMakeFiles/cf.dir/cf_main.cpp.o: In function `void arma::blas::syrk<double>(char c
View maxcut.py
def solve_sparse(C):
"""Solve using the low level interface
"""
if not scipy.sparse.isspmatrix_coo(C):
raise ValueError("needs COO input")
n, _ = C.shape
View maxcut.cpp
static inline SDP
ConstructMaxCutSDPFromGraph(const UndirectedGraph& g)
{
SDP sdp(g.NumVertices(), g.NumVertices(), 0);
g.Laplacian(sdp.SparseC());
sdp.SparseC() *= -1;
for (size_t i = 0; i < g.NumVertices(); i++)
{
sdp.SparseA()[i].zeros(g.NumVertices(), g.NumVertices());
sdp.SparseA()[i](i, i) = 1.;