* Sam Steingold f...@tah.bet [2012-02-10 10:01:54 -0500]:
When I tried to run svm on the same data frame, memory usage as reported
by top(1) doubled to 4GB almost right away and the function never
returned (has been running for ~15 hours now). ^C does not stop it.
This is most unusual, libsvm has always seemed very fast.
looks like it _is_ libsvm:
#0 0x72aedc64 in Solver::select_working_set (this=0x7fff97f0,
out_i=@0x7fff95a0, out_j=@0x7fff95b0) at svm.cpp:852
#1 0x72aef91d in Solver::Solve (this=0x7fff97f0, l=285724, Q=...,
p_=optimized out, y_=optimized out, alpha_=0x6023fb60, Cp=1,
Cn=1, eps=optimized out, si=0x7fff9980, shrinking=1) at svm.cpp:573
#2 0x72af1747 in solve_c_svc (Cn=1, Cp=1, si=0x7fff9980,
alpha=0x6023fb60, param=optimized out, prob=0x7fff9c30) at svm.cpp:1444
#3 svm_train_one (prob=0x7fff9c30, param=optimized out, Cp=1, Cn=1) at
svm.cpp:1641
#4 0x72af4a8e in svm_train (prob=optimized out,
param=0x7fff9d40) at svm.cpp:2179
#5 0x72aea281 in svmtrain (x=0x7fff7e698038, r=0x11c9b1e0,
c=optimized out, y=optimized out, rowindex=optimized out,
colindex=optimized out, svm_type=0x11c9b2a0, kernel_type=0x11c9b2d0,
degree=0x11c9b300, gamma=0x356e3a28, coef0=0x356e3a60, cost=0x356e3ad0,
nu=0x103589a8, weightlabels=0x0, weights=0x0, nweights=0x11c9b330,
cache=0x103589e0, tolerance=0x10358a18, epsilon=0x10358a50,
shrinking=0x11c9b360, cross=0x11c9b390, sparse=0x11c9b3c0,
probability=0x1524dbb0, seed=0x1524dbe0, nclasses=0x1524dc10, nr=0x1524dc40,
index=0x148a0fa8, labels=0xa3303b8, nSV=0xa330420, rho=0x170083e8,
coefs=0x391dbb48, sigma=0x10358a88, probA=0xdf94678, probB=0xcbb7eb8,
cresults=0x0, ctotal1=0x10358ac0, ctotal2=0x10358af8, error=0x10358b30) at
Rsvm.c:275
#6 0x7792cefc in ?? () from /usr/lib/R/lib/libR.so
#7 0x7795da1d in Rf_eval () from /usr/lib/R/lib/libR.so
#8 0x7795f540 in ?? () from /usr/lib/R/lib/libR.so
#9 0x7795d7ff in Rf_eval () from /usr/lib/R/lib/libR.so
#10 0x7795f6c9 in ?? () from /usr/lib/R/lib/libR.so
#11 0x7795d7ff in Rf_eval () from /usr/lib/R/lib/libR.so
#12 0x77960a7f in Rf_applyClosure () from /usr/lib/R/lib/libR.so
#13 0x779ad784 in Rf_usemethod () from /usr/lib/R/lib/libR.so
#14 0x779ada47 in ?? () from /usr/lib/R/lib/libR.so
#15 0x7795d7ff in Rf_eval () from /usr/lib/R/lib/libR.so
#16 0x77960a7f in Rf_applyClosure () from /usr/lib/R/lib/libR.so
#17 0x7795d6e0 in Rf_eval () from /usr/lib/R/lib/libR.so
#18 0x7795f540 in ?? () from /usr/lib/R/lib/libR.so
#19 0x7795d7ff in Rf_eval () from /usr/lib/R/lib/libR.so
#20 0x7795db9b in ?? () from /usr/lib/R/lib/libR.so
#21 0x7795dad9 in Rf_eval () from /usr/lib/R/lib/libR.so
#22 0x7795f6c9 in ?? () from /usr/lib/R/lib/libR.so
#23 0x7795d7ff in Rf_eval () from /usr/lib/R/lib/libR.so
#24 0x77960a7f in Rf_applyClosure () from /usr/lib/R/lib/libR.so
#25 0x7795d6e0 in Rf_eval () from /usr/lib/R/lib/libR.so
#26 0x77998055 in Rf_ReplIteration () from /usr/lib/R/lib/libR.so
#27 0x779982e0 in ?? () from /usr/lib/R/lib/libR.so
#28 0x77998370 in run_Rmainloop () from /usr/lib/R/lib/libR.so
#29 0x0040078b in main ()
#30 0x772d930d in __libc_start_main () from
/lib/x86_64-linux-gnu/libc.so.6
#31 0x004007bd in _start ()
#0 0x72aeeb67 in Kernel::dot (px=0x48eeb220, py=0x4b21890) at
svm.cpp:295
#1 0x72af7a25 in Kernel::kernel_rbf (this=optimized out,
i=optimized out, j=optimized out) at svm.cpp:239
#2 0x72af782c in SVC_Q::get_Q (this=0x7fff9870, i=187701,
len=208039) at svm.cpp:1271
#3 0x72aef9ab in Solver::Solve (this=0x7fff97f0, l=285724, Q=...,
p_=optimized out, y_=optimized out, alpha_=0x6023fb60, Cp=1,
Cn=1, eps=optimized out, si=0x7fff9980, shrinking=1) at svm.cpp:591
#4 0x72af1747 in solve_c_svc (Cn=1, Cp=1, si=0x7fff9980,
alpha=0x6023fb60, param=optimized out, prob=0x7fff9c30) at svm.cpp:1444
#5 svm_train_one (prob=0x7fff9c30, param=optimized out, Cp=1, Cn=1) at
svm.cpp:1641
#6 0x72af4a8e in svm_train (prob=optimized out,
param=0x7fff9d40) at svm.cpp:2179
#7 0x72aea281 in svmtrain (x=0x7fff7e698038, r=0x11c9b1e0,
c=optimized out, y=optimized out, rowindex=optimized out,
colindex=optimized out, svm_type=0x11c9b2a0, kernel_type=0x11c9b2d0,
degree=0x11c9b300, gamma=0x356e3a28, coef0=0x356e3a60, cost=0x356e3ad0,
nu=0x103589a8, weightlabels=0x0, weights=0x0, nweights=0x11c9b330,
cache=0x103589e0, tolerance=0x10358a18, epsilon=0x10358a50,
shrinking=0x11c9b360, cross=0x11c9b390, sparse=0x11c9b3c0,
probability=0x1524dbb0, seed=0x1524dbe0, nclasses=0x1524dc10, nr=0x1524dc40,
index=0x148a0fa8, labels=0xa3303b8, nSV=0xa330420, rho=0x170083e8,
coefs=0x391dbb48, sigma=0x10358a88,
