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Improved how random-rw handles random page generation.

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Added more realistic values for `{simple, random}-rw`.
This commit is contained in:
Filipe Rodrigues 2023-07-12 11:20:14 +01:00
parent 9bbf7dafe6
commit 684c0c9f5c
3 changed files with 10 additions and 10 deletions
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4
config.json
View File

@ -8,14 +8,14 @@
"memories": [
{
"name": "ram",
"page_capacity": 512,
"page_capacity": 32768,
"read_latency_ns": 1.5,
"write_latency_ns": 1.0,
"fault_latency_ns": 10.0
},
{
"name": "optane",
"page_capacity": 1048576,
"page_capacity": 262144,
"read_latency_ns": 5.0,
"write_latency_ns": 4.0,
"fault_latency_ns": 50.0

12
examples/random-rw/src/main.rs
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@ -9,8 +9,8 @@ use {
const PAGE_SIZE: usize = 4096;
// TODO: Make these runtime constants?
const TOTAL_BYTES: usize = 4096 * PAGE_SIZE;
const PASSES: usize = 2;
const TOTAL_BYTES: usize = 262144 * PAGE_SIZE;
const PASSES: usize = 20;
const PASS_BYTES: usize = TOTAL_BYTES / PAGE_SIZE;
fn main() {
@ -18,8 +18,8 @@ fn main() {
let mut thread_rng = rand::thread_rng();
for _ in 0..PASSES {
for idx in std::iter::from_fn(|| Some(thread_rng.gen_range(0..TOTAL_BYTES))).take(PASS_BYTES) {
let x = &mut v[idx];
for idx in std::iter::from_fn(|| Some(thread_rng.gen_range(0..(TOTAL_BYTES / PAGE_SIZE)))).take(PASS_BYTES) {
let x = &mut v[PAGE_SIZE * idx];
// SAFETY: Target is valid for writes.
// Note: We simply want to avoid the write being elided
@ -28,8 +28,8 @@ fn main() {
}
}
for idx in std::iter::from_fn(|| Some(thread_rng.gen_range(0..TOTAL_BYTES))).take(PASS_BYTES) {
let x = &v[idx];
for idx in std::iter::from_fn(|| Some(thread_rng.gen_range(0..(TOTAL_BYTES / PAGE_SIZE)))).take(PASS_BYTES) {
let x = &v[PAGE_SIZE * idx];
// SAFETY: Target is valid for reads.
// Note: We simply want to avoid the write being elided

4
examples/simple-rw/src/main.rs
View File

@ -6,8 +6,8 @@ use std::{hint, ptr};
const PAGE_SIZE: usize = 4096;
// TODO: Make these runtime constants?
const TOTAL_BYTES: usize = 16384 * PAGE_SIZE;
const PASSES: usize = 8;
const TOTAL_BYTES: usize = 262144 * PAGE_SIZE;
const PASSES: usize = 20;
const PASS_STEP: usize = PAGE_SIZE;
fn main() {