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Fix the number of iteration for optimised address calibration

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This commit is contained in:
GuillaumeDIDIER 2020-07-23 10:11:47 +02:00
parent ebc304d55a
commit 9b96280e78
1 changed files with 14 additions and 9 deletions
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23
cache_utils/src/calibration.rs
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@ -520,7 +520,7 @@ fn calibrate_fixed_freq_2_thread_impl<I: Iterator<Item = (usize, usize)>>(
len: isize, len: isize,
cores: &mut I, cores: &mut I,
operations: &[CalibrateOperation2T], operations: &[CalibrateOperation2T],
options: CalibrationOptions, mut options: CalibrationOptions,
core_per_socket: u8, core_per_socket: u8,
) -> Vec<CalibrateResult2T> { ) -> Vec<CalibrateResult2T> {
if options.verbosity >= Thresholds { if options.verbosity >= Thresholds {
@ -533,8 +533,10 @@ fn calibrate_fixed_freq_2_thread_impl<I: Iterator<Item = (usize, usize)>>(
); );
} }
let to_bucket = |time: u64| -> usize { time as usize / options.hist_params.bucket_size }; let bucket_size = options.hist_params.bucket_size;
let from_bucket = |bucket: usize| -> u64 { (bucket * options.hist_params.bucket_size) as u64 };
let to_bucket = |time: u64| -> usize { time as usize / bucket_size };
let from_bucket = |bucket: usize| -> u64 { (bucket * bucket_size) as u64 };
let slicing = if let Some(uarch) = MicroArchitecture::get_micro_architecture() { let slicing = if let Some(uarch) = MicroArchitecture::get_micro_architecture() {
if let Some(vendor_family_model_stepping) = MicroArchitecture::get_family_model_stepping() { if let Some(vendor_family_model_stepping) = MicroArchitecture::get_family_model_stepping() {
@ -607,6 +609,14 @@ fn calibrate_fixed_freq_2_thread_impl<I: Iterator<Item = (usize, usize)>>(
); );
} }
let image_antecedent = match slicing {
Some(s) => s.image_antecedent(len as usize - 1),
None => None,
};
if image_antecedent.is_some() {
options.hist_params.iterations *= 1024;
}
let old = sched_getaffinity(Pid::from_raw(0)).unwrap(); let old = sched_getaffinity(Pid::from_raw(0)).unwrap();
for (main_core, helper_core) in cores { for (main_core, helper_core) in cores {
@ -664,13 +674,8 @@ fn calibrate_fixed_freq_2_thread_impl<I: Iterator<Item = (usize, usize)>>(
// do the calibration // do the calibration
let mut calibrate_result_vec = Vec::new(); let mut calibrate_result_vec = Vec::new();
let image_antecedent = match slicing {
Some(s) => s.image_antecedent(len as usize - 1),
None => None,
};
let offsets: Box<dyn Iterator<Item = isize>> = match image_antecedent { let offsets: Box<dyn Iterator<Item = isize>> = match image_antecedent {
Some(ima) => Box::new(ima.into_iter().map(|(_k, v)| v)), Some(ref ima) => Box::new(ima.values().copied()),
None => Box::new((0..len as isize).step_by(increment)), None => Box::new((0..len as isize).step_by(increment)),
}; };