06 May 2010

Made GSL Committer

24 April 2010

New Toy

Courtesy of the employer, my new Lenovo W510 came in on Thursday.

make -j8 on a laptop is fun:

04 March 2010

Gram's Gob Recipe

My grandmother recently mailed me her gob recipe. Hands down, my Gram's are better than Yost's, your neighbor's, your mother's, or even your grandmother's. As a public service, I'm sharing this jewel.

Gram's Gobs

Cookies

Cream together
  • 2 cups sugar,
  • ½ cup crisco,
  • 2 eggs, and
  • 1 cup sour cream.
Then add 1 cup boiling water. Sift and add to the above
  • 4 cups flour,
  • 2 teaspoons baking soda,
  • ½ teaspoon baking powder,
  • ½ teaspoon salt, and
  • ½ cup cocoa.
Drop by tablespoons onto an ungreased baking sheet. Bake at 450° Fahrenheit for exactly 5 minutes. Remove from the sheet at once.

Filling

First, mix together
  • 5 tablespoons flour and
  • 1 cup milk.
Cook the mixture until very thick and then let it cool. Separately, use a mixer to mix until light and fluffy
  • 1 cup crisco or oleo,
  • 1 cup powdered sugar,
  • ¼ teaspoon salt, and
  • 1 teaspoon vanilla.
Add the first mixture to the second mixture and mix well.

Assembly

Spread the filling between two cookies wrapping each one separately. Gram adds...

17 February 2010

MPI Bandwidth Benchmarks

I need to see if the wall times reported by mpiP for the MPI calls underneath FFTW 3.3alpha1's parallel transposes make sense. The TACC folks were excellent, as usual, and pointed me to the MVAPICH benchmarks.

One quick realization of the bandwidth test on lonestar and ranger shows the following:

Unfortunately, this information does not explain my bottleneck...