ems-typed/Tests/fullArrays.js

Persistent Shared Memory and Parallel Programming Model

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 |  Extended Memory Semantics (EMS)                            Version 1.3.0   |
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'use strict';
var ems = require('ems')(parseInt(process.argv[2]), false);
var assert = require('assert');
var arrLen = 10000;

var arr = ems.new(arrLen);
var map = ems.new({
    dimensions: [arrLen],
    heapSize: arrLen * 10,
    useMap: true,
    useExisting: false,
    persist: true,
    filename: '/tmp/EMS_idxmap',
    setFEtags: 'empty'
});


ems.parForEach(0, arrLen, function (idx) {
    arr.writeXF(idx, 10 * idx);
});


ems.parForEach(0, arrLen, function (idx) {
    assert(arr.readFF(idx) === 10 * idx, "readback was wrong");
});


ems.parForEach(0, arrLen, function (idx) {
    map.writeXF(idx, 10 * idx);
});


ems.parForEach(0, arrLen, function (idx) {
    assert(map.readFF(idx) === 10 * idx, "map readback was wrong");
});

try {
    map.writeEF('fizz', -9);
    assert(false, "Writing one more element should have failed");
} catch (asd) {
    console.log("Correctly detected overflow of mapped EMS array");
}