Pool allocation configuration for Wasmtime. More...

#include <wasmtime.hh>

Public Member Functions
void	max_unused_warm_slots (uint32_t max)
	Configures the maximum number of “unused warm slots” to retain in the pooling allocator. More...

void	decommit_batch_size (size_t batch_size)
	The target number of decommits to do per batch. More...

void	async_stack_keep_resident (size_t size)
	How much memory, in bytes, to keep resident for async stacks allocated with the pooling allocator. More...

void	linear_memory_keep_resident (size_t size)
	How much memory, in bytes, to keep resident for each linear memory after deallocation. More...

void	table_keep_resident (size_t size)
	How much memory, in bytes, to keep resident for each table after deallocation. More...

void	total_component_instances (uint32_t count)
	The maximum number of concurrent component instances supported (default is 1000). More...

void	max_component_instance_size (size_t size)
	The maximum size, in bytes, allocated for a component instance’s VMComponentContext metadata. More...

void	max_core_instances_per_component (uint32_t count)
	The maximum number of core instances a single component may contain (default is unlimited). More...

void	max_memories_per_component (uint32_t count)
	The maximum number of Wasm linear memories that a single component may transitively contain (default is unlimited). More...

void	max_tables_per_component (uint32_t count)
	The maximum number of tables that a single component may transitively contain (default is unlimited). More...

void	total_memories (uint32_t count)
	The maximum number of concurrent Wasm linear memories supported (default is 1000). More...

void	total_tables (uint32_t count)
	The maximum number of concurrent tables supported (default is 1000). More...

void	total_stacks (uint32_t count)
	The maximum number of execution stacks allowed for asynchronous execution, when enabled (default is 1000). More...

void	total_core_instances (uint32_t count)
	The maximum number of concurrent core instances supported (default is 1000). More...

void	max_core_instance_size (size_t size)
	The maximum size, in bytes, allocated for a core instance’s VMContext metadata. More...

void	max_tables_per_module (uint32_t tables)
	The maximum number of defined tables for a core module (default is 1). More...

void	table_elements (size_t elements)
	The maximum table elements for any table defined in a module (default is 20000). More...

void	max_memories_per_module (uint32_t memories)
	The maximum number of defined linear memories for a module (default is 1). More...

void	max_memory_size (size_t bytes)
	The maximum byte size that any WebAssembly linear memory may grow to. More...

void	total_gc_heaps (uint32_t count)
	The maximum number of concurrent GC heaps supported (default is 1000). More...

Detailed Description

Pool allocation configuration for Wasmtime.

For more information be sure to consult the rust documentation.

Member Function Documentation

◆ async_stack_keep_resident()

void wasmtime::PoolAllocationConfig::async_stack_keep_resident ( size_t size )

inline

How much memory, in bytes, to keep resident for async stacks allocated with the pooling allocator.

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.async_stack_keep_resident.

◆ decommit_batch_size()

void wasmtime::PoolAllocationConfig::decommit_batch_size ( size_t batch_size )

inline

The target number of decommits to do per batch.

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.decommit_batch_size.

◆ linear_memory_keep_resident()

void wasmtime::PoolAllocationConfig::linear_memory_keep_resident ( size_t size )

inline

How much memory, in bytes, to keep resident for each linear memory after deallocation.

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.linear_memory_keep_resident.

◆ max_component_instance_size()

void wasmtime::PoolAllocationConfig::max_component_instance_size ( size_t size )

inline

The maximum size, in bytes, allocated for a component instance’s VMComponentContext metadata.

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.max_component_instance_size.

◆ max_core_instance_size()

void wasmtime::PoolAllocationConfig::max_core_instance_size ( size_t size )

inline

The maximum size, in bytes, allocated for a core instance’s VMContext metadata.

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.max_core_instance_size.

◆ max_core_instances_per_component()

void wasmtime::PoolAllocationConfig::max_core_instances_per_component ( uint32_t count )

inline

The maximum number of core instances a single component may contain (default is unlimited).

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.max_core_instances_per_component.

◆ max_memories_per_component()

void wasmtime::PoolAllocationConfig::max_memories_per_component ( uint32_t count )

inline

The maximum number of Wasm linear memories that a single component may transitively contain (default is unlimited).

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.max_memories_per_component.

◆ max_memories_per_module()

void wasmtime::PoolAllocationConfig::max_memories_per_module ( uint32_t memories )

inline

The maximum number of defined linear memories for a module (default is 1).

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.max_memories_per_module.

◆ max_memory_size()

void wasmtime::PoolAllocationConfig::max_memory_size ( size_t bytes )

inline

The maximum byte size that any WebAssembly linear memory may grow to.

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.max_memory_size.

◆ max_tables_per_component()

void wasmtime::PoolAllocationConfig::max_tables_per_component ( uint32_t count )

inline

The maximum number of tables that a single component may transitively contain (default is unlimited).

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.max_tables_per_component.

◆ max_tables_per_module()

void wasmtime::PoolAllocationConfig::max_tables_per_module ( uint32_t tables )

inline

The maximum number of defined tables for a core module (default is 1).

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.max_tables_per_module.

◆ max_unused_warm_slots()

void wasmtime::PoolAllocationConfig::max_unused_warm_slots ( uint32_t max )

inline

Configures the maximum number of “unused warm slots” to retain in the pooling allocator.

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.max_unused_warm_slots.

◆ table_elements()

void wasmtime::PoolAllocationConfig::table_elements ( size_t elements )

inline

The maximum table elements for any table defined in a module (default is 20000).

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.table_elements.

◆ table_keep_resident()

void wasmtime::PoolAllocationConfig::table_keep_resident ( size_t size )

inline

How much memory, in bytes, to keep resident for each table after deallocation.

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.table_keep_resident.

◆ total_component_instances()

void wasmtime::PoolAllocationConfig::total_component_instances ( uint32_t count )

inline

The maximum number of concurrent component instances supported (default is 1000).

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.total_component_instances.

◆ total_core_instances()

void wasmtime::PoolAllocationConfig::total_core_instances ( uint32_t count )

inline

The maximum number of concurrent core instances supported (default is 1000).

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.total_core_instances.

◆ total_gc_heaps()

void wasmtime::PoolAllocationConfig::total_gc_heaps ( uint32_t count )

inline

The maximum number of concurrent GC heaps supported (default is 1000).

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.total_gc_heaps.

◆ total_memories()

void wasmtime::PoolAllocationConfig::total_memories ( uint32_t count )

inline

The maximum number of concurrent Wasm linear memories supported (default is 1000).

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.total_memories.

◆ total_stacks()

void wasmtime::PoolAllocationConfig::total_stacks ( uint32_t count )

inline

The maximum number of execution stacks allowed for asynchronous execution, when enabled (default is 1000).

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.total_stacks.

◆ total_tables()

void wasmtime::PoolAllocationConfig::total_tables ( uint32_t count )

inline

The maximum number of concurrent tables supported (default is 1000).

https://docs.wasmtime.dev/api/wasmtime/struct.PoolingAllocationConfig.html#method.total_tables.

The documentation for this class was generated from the following file:

include/wasmtime.hh

Public Member Functions

Detailed Description

Member Function Documentation

◆ async_stack_keep_resident()

◆ decommit_batch_size()

◆ linear_memory_keep_resident()

◆ max_component_instance_size()

◆ max_core_instance_size()

◆ max_core_instances_per_component()

◆ max_memories_per_component()

◆ max_memories_per_module()

◆ max_memory_size()

◆ max_tables_per_component()

◆ max_tables_per_module()

◆ max_unused_warm_slots()

◆ table_elements()

◆ table_keep_resident()

◆ total_component_instances()

◆ total_core_instances()

◆ total_gc_heaps()

◆ total_memories()

◆ total_stacks()

◆ total_tables()