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Get the tests to pass #3

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Get the tests to pass #3

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9d0f596
fixed overflow in bench_chan_latency
llogiq Sep 25, 2015
76290e4
use wrapping operation
llogiq Sep 25, 2015
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10 changes: 7 additions & 3 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -386,7 +386,7 @@ impl<T: Slot> Turbine<T> {
//let diff = self.current_pos - v.load();
min_cursor = min(min_cursor, v.load());

if self.current_pos - min_cursor >= self.size as u64 {
if self.current_pos.wrapping_sub(min_cursor) >= self.size as u64 {
debug!("Not writeable! {} - {} == {}, which is >= {}", self.current_pos, min_cursor, (self.current_pos - min_cursor), self.size);
return false;
}
Expand Down Expand Up @@ -848,7 +848,7 @@ mod test {
}

debug!("Exit write loop");
if rx.recv().is_err() == true {panic!()}
assert!(!rx.recv().is_err());
debug!("Recv_opt done");
return;
//
Expand Down Expand Up @@ -1144,7 +1144,11 @@ mod test {
counter += 1;
let end = precise_time_ns();
let start = rx_bench.recv().ok().unwrap();
let total = ((end - start) as i64).abs() as u64; // because ticks can go backwards between different cores
let total = if end > start {
end - start
} else {
start - end
}; // because ticks can go backwards between different cores
latencies.push(total);
//error!("{}, {}, {}", start, end, total);
}
Expand Down