fasiha

#!/usr/bin/env python

"""
Compare performance of using host-registered pinned and unpinned host memory,
with more than one block for larger arrays, and with unpinned tried first.
"""

import numpy as np

import pycuda.autoinit

fasiha

// See pages 173 and 175 of Snyder's "Map Projections---A Working Manual" (1987): http://pubs.usgs.gov/pp/1395/report.pdf

function satelliteVerticalR(H, R) {
  var P = 1.0 + H/R;
  function forward(λ, φ) {
    var cosφ = Math.cos(φ),
        k = (P - 1) / (P - cosφ * Math.cos(λ));
    return [
      R * k * cosφ * Math.sin(λ),
      R * k * Math.sin(φ)

fasiha

[ Launch: satellite ] 5654942 by fasiha[ Launch: satellite ] 5105295 by enjalot[ Launch: satellite ] 4700685 by enjalot

fasiha

[ Launch: satellite ] 5654945 by fasiha[ Launch: satellite ] 5654942 by fasiha[ Launch: satellite ] 5105295 by enjalot[ Launch: satellite ] 4700685 by enjalot

fasiha

[ Launch: satellite, venezuela by Harrison ] 5654960 by fasiha[ Launch: satellite ] 5654945 by fasiha[ Launch: satellite ] 5654942 by fasiha[ Launch: satellite ] 5105295 by enjalot[ Launch: satellite ] 4700685 by enjalot

fasiha

[ Launch: Maximal coverage satellite projection ] 5807962 by fasiha

fasiha

[ Launch: BaseMap orthographic ] 5808405 by fasiha[ Launch: simple globe canvas ] 4670598 by ejfox[ Launch: simple globe ] 4669854 by enjalot[ Launch: Tributary inlet ] 4661803 by enjalot

fasiha

[ Launch: Europe from the East, Harrison ] 6072311 by fasiha[ Launch: satellite, venezuela by Harrison ] 5654960 by fasiha[ Launch: satellite ] 5654945 by fasiha[ Launch: satellite ] 5654942 by fasiha[ Launch: satellite ] 5105295 by enjalot[ Launch: satellite ] 4700685 by enjalot

fasiha

-- run from Terminal with:
-- $ osascript enter.scpt N
-- where N is the number of times Chrome will see "Return"

on run arg
log "Going to switch to Chrome and hit Return"
log arg
log "times"
log "Hit Control-C to cancel"

fasiha

clear();

%% Parameters
% Input file
INFILE = 'ASTGTM2_N43E011_dem.tif';
% Fractional order of the texture filter, between 0 and 2
ALPHA = .5;

%% Helper functions
% Makes a vector of zero-centered Fourier frequency indexes