l3-ENSL/dendrobates-t-azureus
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Performance tweaks

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This commit is contained in:
Guillume DIDIER 2021-09-29 09:52:12 +02:00
parent bb0b008bbe
commit e3ef141792
2 changed files with 6 additions and 3 deletions
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8
cache_utils/src/bin/two_thread_cal.rs
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@ -14,6 +14,7 @@ use nix::unistd::Pid;
use core::arch::x86_64 as arch_x86; use core::arch::x86_64 as arch_x86;
use core::cmp::min;
use std::cmp::Ordering; use std::cmp::Ordering;
use std::collections::HashMap; use std::collections::HashMap;
use std::process::Command; use std::process::Command;
@ -34,6 +35,7 @@ unsafe fn multiple_access(p: *const u8) {
} }
const SIZE: usize = 2 << 20; const SIZE: usize = 2 << 20;
const MAX_SEQUENCE: usize = 2048 * 64;
#[derive(Clone, Copy, Hash, Eq, PartialEq, Debug)] #[derive(Clone, Copy, Hash, Eq, PartialEq, Debug)]
struct ASV { struct ASV {
@ -213,15 +215,15 @@ fn main() {
let r = unsafe { let r = unsafe {
calibrate_fixed_freq_2_thread( calibrate_fixed_freq_2_thread(
pointer, pointer,
64, // FIXME : MAGIC 64, // FIXME : MAGIC
array.len() as isize >> 3, // MAGIC min(array.len(), MAX_SEQUENCE) as isize, // MAGIC
&mut core_pairs.into_iter(), &mut core_pairs.into_iter(),
&operations, &operations,
CalibrationOptions { CalibrationOptions {
hist_params: HistParams { hist_params: HistParams {
bucket_number: CFLUSH_BUCKET_NUMBER, bucket_number: CFLUSH_BUCKET_NUMBER,
bucket_size: CFLUSH_BUCKET_SIZE, bucket_size: CFLUSH_BUCKET_SIZE,
iterations: CFLUSH_NUM_ITER << 4, iterations: CFLUSH_NUM_ITER,
}, },
verbosity: verbose_level, verbosity: verbose_level,
optimised_addresses: true, optimised_addresses: true,

1
cache_utils/src/calibrate_2t.rs
View File

@ -201,6 +201,7 @@ fn calibrate_fixed_freq_2_thread_impl<I: Iterator<Item = (usize, usize)>, T>(
let mut calibrate_result_vec = Vec::new(); let mut calibrate_result_vec = Vec::new();
let offsets = image_antecedent.values().copied(); let offsets = image_antecedent.values().copied();
eprintln!("Number of offsets: {}", offsets.len());
/* /*
let offsets: Box<dyn Iterator<Item = isize>> = match image_antecedent { let offsets: Box<dyn Iterator<Item = isize>> = match image_antecedent {