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Optimize CI timings slightly #14640

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8 changes: 8 additions & 0 deletions Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -723,6 +723,14 @@ opt-level = 's'
[profile.dev.package.tokio]
overflow-checks = false

# Some CI jobs (e.g. QEMU) build everything in the `dev` profile with
# optimizations via `CARGO_PROFILE_DEV_OPT_LEVEL`. That's not worth it for this
# crate though: its `tests/all` binary is huge and expensive to optimize but is
# mostly glue around the (still optimized) runtime. This is a no-op by default
# since `dev` is already unoptimized.
[profile.dev.package.wasmtime-cli]
opt-level = 0

[profile.profiling]
inherits = "bench"
debug = "line-tables-only"
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9 changes: 7 additions & 2 deletions crates/test-programs/src/bin/p3_http_outbound_request_chunk_size.rs
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Expand Up @@ -9,9 +9,14 @@ struct Component;
test_programs::p3::export!(Component);

fn bytes(offset: &mut usize, len: usize) -> Vec<u8> {
const PATTERN_LEN: usize = 251;
let pattern: [u8; PATTERN_LEN] = core::array::from_fn(|i| i as u8);
let mut buf = Vec::with_capacity(len);
for i in 0..len {
buf.push(((*offset + i) % 251) as u8);
let mut start = *offset % PATTERN_LEN;
while buf.len() < len {
let n = (PATTERN_LEN - start).min(len - buf.len());
buf.extend_from_slice(&pattern[start..][..n]);
start = 0;
}
*offset += len;
buf
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