Module trading_pools

Trading-specific memory pools for zero-allocation hot paths

This module provides specialized memory pool integrations designed for high-frequency trading operations, eliminating allocations in critical paths such as order processing, WebSocket message handling, and market data processing.

Re-exports

pub use OrderProcessingPool8 as DefaultOrderProcessingPool;

pub use TradingPoolManager4096 as DefaultTradingPoolManager;

pub use WebSocketMessagePool4096 as DefaultWebSocketMessagePool;

Structs

DefaultOrderProcessing

Default implementation for buffer allocation

JsonProcessingPool

JSON processing pool for zero-allocation JSON operations

MarketDataPool

Market data pool for zero-allocation market data processing

OrderProcessingPool

Order processing pool for zero-allocation order operations with const generic SmallVec capacity

TradingPoolManager

Trading-specific memory pool manager for zero-allocation operations with const generic buffer sizing

WebSocketMessagePool

WebSocket message pool for zero-allocation message processing with const generic threshold

Enums

OrderBufferType

Types of order processing buffers

WebSocketMessageType

WebSocket message types for pool optimization

Traits

PooledOrderProcessing

Helper trait for zero-allocation order processing Note: Concrete implementations should be done in crates that have access to order types

PooledWebSocketMessage

Helper trait for zero-allocation WebSocket message processing

Functions

get_global_trading_pools

Get global trading pools (use for initialization and statistics)

get_thread_local_poolsDeprecated

Get thread-local trading pools (legacy API for compatibility)

initialize_trading_pools

Initialize trading pools with custom configuration

with_thread_local_pools

Get thread-local trading pools for maximum performance

Type Aliases

OrderProcessingPool4

Order processing pool with SmallVec capacity of 4 elements

OrderProcessingPool8

Order processing pool with SmallVec capacity of 8 elements

OrderProcessingPool16

Order processing pool with SmallVec capacity of 16 elements

TradingPoolManager2048

Trading pool manager with 2KB WebSocket threshold and 16-element SmallVec capacity

TradingPoolManager4096

Trading pool manager with 4KB WebSocket threshold and 8-element SmallVec capacity

TradingPoolManager8192

Trading pool manager with 8KB WebSocket threshold and 4-element SmallVec capacity

WebSocketMessagePool2048

WebSocket message pool with 2KB threshold for small messages

WebSocketMessagePool4096

WebSocket message pool with 4KB threshold for small messages

WebSocketMessagePool8192

WebSocket message pool with 8KB threshold for small messages