JeffersonLab / chroma

The Chroma Software System for Lattice QCD
http://jeffersonlab.github.io/chroma
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t_mesplq produces empty xml #60

Closed Erhannis closed 3 years ago

Erhannis commented 3 years ago

The README states

You can execute the program simply by

% ./t_mesplq

which will compute the average plaquette on a random gauge
field and write the result into  "t_mesplq.xml" .

However, doing so (consistently) produces the following output

Lattice initialized:
  problem size = 4 4 4 8
  layout size = 4 4 4 8
  logical machine size = 1 1 1 1
  subgrid size = 4 4 4 8
  total number of nodes = 1
  total volume = 512
  subgrid volume = 512
Initializing QDPDefaultAllocator.
Finished init of RNG
Finished lattice layout
Start gaussian
w_plaq = 0.00127763216854267
link = 0.0123963951342982
w_plaq = 0.00127763036754105
link = 0.000377129760333143

and creates a completely empty xml file t_mesplq.xml. I assume this is not the expected result?

Erhannis commented 3 years ago

Cool; the commit c5e5744561bb8128c1b7476cfc38d288edb809af appears to fix the problem; thanks!