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640a51684c
The old approach, because of its "tmp >= rand_bw && !i_has_been_chosen" check, would run through the second part of the loop slightly slower than the first part. Now, we remove i_has_been_chosen, and instead set rand_bw = UINT64_MAX, so that every instance of the loop will do exactly the same amount of work regardless of the initial value of rand_bw. Fix for bug 6538.
13 lines
562 B
Plaintext
13 lines
562 B
Plaintext
o Minor bugfixes:
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- Switch weighted node selection rule from using a list of doubles
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to using a list of int64_t. This should make the process slightly
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easier to debug and maintain. Needed for fix for bug 6538.
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o Security features:
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- Switch to a completely time-invariant approach for picking nodes
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weighted by bandwidth. Our old approach would run through the
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part of the loop after it had made its choice slightly slower
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than it ran through the part of the loop before it had made its
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choice. Fix for bug 6538.
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