Do not create too many rayon tasks

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Kerollmops 2025-01-28 16:53:34 +01:00
parent 97e17f52a1
commit aaefbfae1f
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4 changed files with 85 additions and 43 deletions

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@ -1,4 +1,4 @@
use std::sync::atomic::{AtomicBool, Ordering}; use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
use std::sync::Arc; use std::sync::Arc;
use rayon::{ThreadPool, ThreadPoolBuilder}; use rayon::{ThreadPool, ThreadPoolBuilder};
@ -9,6 +9,8 @@ use thiserror::Error;
#[derive(Debug)] #[derive(Debug)]
pub struct ThreadPoolNoAbort { pub struct ThreadPoolNoAbort {
thread_pool: ThreadPool, thread_pool: ThreadPool,
/// The number of active operations.
active_operations: AtomicUsize,
/// Set to true if the thread pool catched a panic. /// Set to true if the thread pool catched a panic.
pool_catched_panic: Arc<AtomicBool>, pool_catched_panic: Arc<AtomicBool>,
} }
@ -19,7 +21,9 @@ impl ThreadPoolNoAbort {
OP: FnOnce() -> R + Send, OP: FnOnce() -> R + Send,
R: Send, R: Send,
{ {
self.active_operations.fetch_add(1, Ordering::Relaxed);
let output = self.thread_pool.install(op); let output = self.thread_pool.install(op);
self.active_operations.fetch_sub(1, Ordering::Relaxed);
// While reseting the pool panic catcher we return an error if we catched one. // While reseting the pool panic catcher we return an error if we catched one.
if self.pool_catched_panic.swap(false, Ordering::SeqCst) { if self.pool_catched_panic.swap(false, Ordering::SeqCst) {
Err(PanicCatched) Err(PanicCatched)
@ -31,6 +35,11 @@ impl ThreadPoolNoAbort {
pub fn current_num_threads(&self) -> usize { pub fn current_num_threads(&self) -> usize {
self.thread_pool.current_num_threads() self.thread_pool.current_num_threads()
} }
/// The number of active operations.
pub fn active_operations(&self) -> usize {
self.active_operations.load(Ordering::Relaxed)
}
} }
#[derive(Error, Debug)] #[derive(Error, Debug)]
@ -64,6 +73,10 @@ impl ThreadPoolNoAbortBuilder {
let catched_panic = pool_catched_panic.clone(); let catched_panic = pool_catched_panic.clone();
move |_result| catched_panic.store(true, Ordering::SeqCst) move |_result| catched_panic.store(true, Ordering::SeqCst)
}); });
Ok(ThreadPoolNoAbort { thread_pool: self.0.build()?, pool_catched_panic }) Ok(ThreadPoolNoAbort {
thread_pool: self.0.build()?,
active_operations: AtomicUsize::new(0),
pool_catched_panic,
})
} }
} }

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@ -5,7 +5,7 @@ use rayon::slice::ParallelSlice as _;
use super::error::{EmbedError, EmbedErrorKind, NewEmbedderError, NewEmbedderErrorKind}; use super::error::{EmbedError, EmbedErrorKind, NewEmbedderError, NewEmbedderErrorKind};
use super::rest::{Embedder as RestEmbedder, EmbedderOptions as RestEmbedderOptions}; use super::rest::{Embedder as RestEmbedder, EmbedderOptions as RestEmbedderOptions};
use super::DistributionShift; use super::{DistributionShift, REQUEST_PARALLELISM};
use crate::error::FaultSource; use crate::error::FaultSource;
use crate::vector::Embedding; use crate::vector::Embedding;
use crate::ThreadPoolNoAbort; use crate::ThreadPoolNoAbort;
@ -133,20 +133,30 @@ impl Embedder {
texts: &[&str], texts: &[&str],
threads: &ThreadPoolNoAbort, threads: &ThreadPoolNoAbort,
) -> Result<Vec<Vec<f32>>, EmbedError> { ) -> Result<Vec<Vec<f32>>, EmbedError> {
threads if threads.active_operations() >= REQUEST_PARALLELISM {
.install(move || { let embeddings: Result<Vec<Vec<Embedding>>, _> = texts
let embeddings: Result<Vec<Vec<Embedding>>, _> = texts .chunks(self.prompt_count_in_chunk_hint())
.par_chunks(self.prompt_count_in_chunk_hint()) .map(move |chunk| self.embed(chunk, None))
.map(move |chunk| self.embed(chunk, None)) .collect();
.collect();
let embeddings = embeddings?; let embeddings = embeddings?;
Ok(embeddings.into_iter().flatten().collect()) Ok(embeddings.into_iter().flatten().collect())
}) } else {
.map_err(|error| EmbedError { threads
kind: EmbedErrorKind::PanicInThreadPool(error), .install(move || {
fault: FaultSource::Bug, let embeddings: Result<Vec<Vec<Embedding>>, _> = texts
})? .par_chunks(self.prompt_count_in_chunk_hint())
.map(move |chunk| self.embed(chunk, None))
.collect();
let embeddings = embeddings?;
Ok(embeddings.into_iter().flatten().collect())
})
.map_err(|error| EmbedError {
kind: EmbedErrorKind::PanicInThreadPool(error),
fault: FaultSource::Bug,
})?
}
} }
pub fn chunk_count_hint(&self) -> usize { pub fn chunk_count_hint(&self) -> usize {

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@ -7,7 +7,7 @@ use rayon::slice::ParallelSlice as _;
use super::error::{EmbedError, NewEmbedderError}; use super::error::{EmbedError, NewEmbedderError};
use super::rest::{Embedder as RestEmbedder, EmbedderOptions as RestEmbedderOptions}; use super::rest::{Embedder as RestEmbedder, EmbedderOptions as RestEmbedderOptions};
use super::DistributionShift; use super::{DistributionShift, REQUEST_PARALLELISM};
use crate::error::FaultSource; use crate::error::FaultSource;
use crate::vector::error::EmbedErrorKind; use crate::vector::error::EmbedErrorKind;
use crate::vector::Embedding; use crate::vector::Embedding;
@ -270,20 +270,29 @@ impl Embedder {
texts: &[&str], texts: &[&str],
threads: &ThreadPoolNoAbort, threads: &ThreadPoolNoAbort,
) -> Result<Vec<Vec<f32>>, EmbedError> { ) -> Result<Vec<Vec<f32>>, EmbedError> {
threads if threads.active_operations() >= REQUEST_PARALLELISM {
.install(move || { let embeddings: Result<Vec<Vec<Embedding>>, _> = texts
let embeddings: Result<Vec<Vec<Embedding>>, _> = texts .chunks(self.prompt_count_in_chunk_hint())
.par_chunks(self.prompt_count_in_chunk_hint()) .map(move |chunk| self.embed(chunk, None))
.map(move |chunk| self.embed(chunk, None)) .collect();
.collect(); let embeddings = embeddings?;
Ok(embeddings.into_iter().flatten().collect())
} else {
threads
.install(move || {
let embeddings: Result<Vec<Vec<Embedding>>, _> = texts
.par_chunks(self.prompt_count_in_chunk_hint())
.map(move |chunk| self.embed(chunk, None))
.collect();
let embeddings = embeddings?; let embeddings = embeddings?;
Ok(embeddings.into_iter().flatten().collect()) Ok(embeddings.into_iter().flatten().collect())
}) })
.map_err(|error| EmbedError { .map_err(|error| EmbedError {
kind: EmbedErrorKind::PanicInThreadPool(error), kind: EmbedErrorKind::PanicInThreadPool(error),
fault: FaultSource::Bug, fault: FaultSource::Bug,
})? })?
}
} }
pub fn chunk_count_hint(&self) -> usize { pub fn chunk_count_hint(&self) -> usize {

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@ -203,20 +203,30 @@ impl Embedder {
texts: &[&str], texts: &[&str],
threads: &ThreadPoolNoAbort, threads: &ThreadPoolNoAbort,
) -> Result<Vec<Embedding>, EmbedError> { ) -> Result<Vec<Embedding>, EmbedError> {
threads if threads.active_operations() >= REQUEST_PARALLELISM {
.install(move || { let embeddings: Result<Vec<Vec<Embedding>>, _> = texts
let embeddings: Result<Vec<Vec<Embedding>>, _> = texts .chunks(self.prompt_count_in_chunk_hint())
.par_chunks(self.prompt_count_in_chunk_hint()) .map(move |chunk| self.embed_ref(chunk, None))
.map(move |chunk| self.embed_ref(chunk, None)) .collect();
.collect();
let embeddings = embeddings?; let embeddings = embeddings?;
Ok(embeddings.into_iter().flatten().collect()) Ok(embeddings.into_iter().flatten().collect())
}) } else {
.map_err(|error| EmbedError { threads
kind: EmbedErrorKind::PanicInThreadPool(error), .install(move || {
fault: FaultSource::Bug, let embeddings: Result<Vec<Vec<Embedding>>, _> = texts
})? .par_chunks(self.prompt_count_in_chunk_hint())
.map(move |chunk| self.embed_ref(chunk, None))
.collect();
let embeddings = embeddings?;
Ok(embeddings.into_iter().flatten().collect())
})
.map_err(|error| EmbedError {
kind: EmbedErrorKind::PanicInThreadPool(error),
fault: FaultSource::Bug,
})?
}
} }
pub fn chunk_count_hint(&self) -> usize { pub fn chunk_count_hint(&self) -> usize {