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radv: add segregated fit shader memory allocator

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Way faster than the previous one, especially with a large number of
shaders.

This doesn't have much of an effect right now, but the previous allocator
was expensive compared to the cost of compiling vertex shader prologs.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11717>
This commit is contained in:
Rhys Perry
2021-05-14 12:44:17 +01:00
committed by Marge Bot
parent 404752bfb2
commit a1069b8bd4
5 changed files with 284 additions and 85 deletions
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37
src/amd/vulkan/radv_shader.h
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@@ -387,11 +387,33 @@ struct radv_shader_binary_rtld {
uint8_t data[0];
};
struct radv_shader_arena {
struct list_head list;
struct list_head entries;
struct radeon_winsys_bo *bo;
char *ptr;
};
union radv_shader_arena_block {
struct list_head pool;
struct {
/* List of blocks in the arena, sorted by address. */
struct list_head list;
/* For holes, a list_head for the free-list. For allocations, freelist.prev=NULL and
* freelist.next is a pointer associated with the allocation.
*/
struct list_head freelist;
struct radv_shader_arena *arena;
uint32_t offset;
uint32_t size;
};
};
struct radv_shader_variant {
uint32_t ref_count;
struct radeon_winsys_bo *bo;
uint64_t bo_offset;
union radv_shader_arena_block *alloc;
struct ac_shader_config config;
uint8_t *code_ptr;
uint32_t code_size;
@@ -405,16 +427,6 @@ struct radv_shader_variant {
char *disasm_string;
char *ir_string;
uint32_t *statistics;
struct list_head slab_list;
};
struct radv_shader_slab {
struct list_head slabs;
struct list_head shaders;
struct radeon_winsys_bo *bo;
uint64_t size;
char *ptr;
};
void radv_optimize_nir(const struct radv_device *device, struct nir_shader *shader,
@@ -428,7 +440,8 @@ nir_shader *radv_shader_compile_to_nir(struct radv_device *device, struct vk_sha
const struct radv_pipeline_layout *layout,
const struct radv_pipeline_key *key);
void radv_destroy_shader_slabs(struct radv_device *device);
void radv_init_shader_arenas(struct radv_device *device);
void radv_destroy_shader_arenas(struct radv_device *device);
VkResult radv_create_shaders(struct radv_pipeline *pipeline,
struct radv_pipeline_layout *pipeline_layout,