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global array, agg
probe begin
{
#
# Array section
#
printf("\nArrays:\n");
# Add elements to the array, but in an unsorted order
array[9] = 18;
array[1] = 40
array[8] = 16
array[2] = 4
array[7] = 14
array[3] = 36
array[6] = 12;
array[5] = 10;
array[4] = 8;
array[10] = 20;
# Print the unsorted array
printf("unsorted:\n");
foreach (key in array)
printf("key %d, value %d\n", key, array[key]);
# Print the first 5 unsorted array items
printf("\nunsorted limit 5:\n");
i = 0
foreach (key in array limit 5)
{
printf("key %d, value %d\n", key, array[key]);
i++;
}
printf("loop had %d iterations\n", i);
# Print the first 5 sorted array items (by value)
printf("\nsorted (by values) limit 5:\n");
i = 0
foreach (key in array+ limit 5)
{
printf("key %d, value %d\n", key, array[key]);
i++;
}
printf("loop had %d iterations\n", i);
# Print the first 5 sorted array items (by key)
printf("\nsorted (by keys) limit 5:\n");
i = 0
foreach (key+ in array limit 5)
{
printf("key %d, value %d\n", key, array[key]);
i++;
}
printf("loop had %d iterations\n", i);
# Use a variable reference to limit the loop iteration
x = 3
printf("\nsorted (by values) limit x (%d):\n", x);
i = 0
foreach (key in array+ limit x)
{
printf("key %d, value %d\n", key, array[key])
i++;
}
printf("loop had %d iterations\n", i);
# Use a expression containing a variable reference to limit the
# loop iteration
printf("\nsorted (by values) limit x * 2 (%d):\n", (x * 2));
i = 0
foreach (key in array+ limit x * 2)
{
printf("key %d, value %d\n", key, array[key])
i++;
}
printf("loop had %d iterations\n", i);
# Ensure the expression is only evaluated once
printf("\nsorted (by values) limit ++x:\n");
i = 0
foreach (key in array+ limit ++x)
{
printf("key %d, value %d\n", key, array[key])
i++;
}
printf("loop had %d iterations\n", i);
printf("x ended up as %d\n", x);
# Ensure the expression is only evaluated once
printf("\nsorted (by values) limit x++:\n");
i = 0
foreach (key in array+ limit x++)
{
printf("key %d, value %d\n", key, array[key])
i++;
}
printf("loop had %d iterations\n", i);
printf("x ended up as %d\n", x);
#
# Aggregate section
#
printf("\nAggregates:\n");
# Add items to the aggregate
# 10 keys, 15 entries each = 150 entries.
# min = 4, max = 15 * 40 = 600
foreach (key in array)
{
agg <<< array[key]
agg <<< array[key] * 2
agg <<< array[key] * 3
agg <<< array[key] * 4
agg <<< array[key] * 5
agg <<< array[key] * 6
agg <<< array[key] * 7
agg <<< array[key] * 8
agg <<< array[key] * 9
agg <<< array[key] * 10
agg <<< array[key] * 11
agg <<< array[key] * 12
agg <<< array[key] * 13
agg <<< array[key] * 14
agg <<< array[key] * 15
}
printf("count=%d sum=%d\n", @count(agg), @sum(agg))
printf("min=%d max=%d\n", @min(agg), @max(agg))
print(@hist_log(agg))
# This is useless, but test anyway. Maybe it will
# trigger some obscure edge condition.
# log buckets run from 0 to 127.
i = 0
foreach (bucket in @hist_log(agg) limit 71)
{
if (@hist_log(agg)[bucket])
printf("bucket %d: %d\n", bucket, @hist_log(agg)[bucket]);
i++;
}
printf("loop had %d iterations\n", i);
printf("\nDone.\n");
exit()
}
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