1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126

#[macro_export]
macro_rules! numa_aware_allocator {
  () => {
        // General imports
        use allocator_suite::adaptors::prelude::*;
        use std::alloc::{System, GlobalAlloc, Alloc, Layout, Excess, AllocErr, CannotReallocInPlace};
        use allocator_suite::memory_sources::mmap::memory_map_source::MemoryMapSource;
        use allocator_suite::extensions::usize_ext::UsizeExt;
        use allocator_suite::allocators::allocator::Allocator;
        use allocator_suite::memory_address::MemoryAddress;
        use allocator_suite::allocators::memory_map_allocator::MemoryMapAllocator;

        use lazy_static::*;

        pub fn allocator_instance() -> &'static AllocatorAdaptor<'static, MemoryMapAllocator> {
            lazy_static! {
                static ref MMAP_ALLOC: MemoryMapAllocator = {
                    #[cfg(any(target_os = "android", target_os = "linux"))] {
                        use allocator_suite::memory_sources::mmap::numa::numa_settings::NumaSettings;
                        use allocator_suite::memory_sources::mmap::numa::numa_allocation_policy::NumaAllocationPolicy;

                        let numa_settings = NumaSettings::new(NumaAllocationPolicy::Local, false);
                        let mmap = MemoryMapSource::with_numa_settings(numa_settings);
                        MemoryMapAllocator(mmap)
                    }

                    #[cfg(not(any(target_os = "android", target_os = "linux")))] {
                        let mmap = MemoryMapSource::default();
                        MemoryMapAllocator(mmap)
                    }
                };


                static ref MMAP_ADAPTER: AllocatorAdaptor<'static, MemoryMapAllocator> = {
                    MMAP_ALLOC.adapt()
                };
            }

            &*MMAP_ADAPTER
        }

        #[derive(Debug, Copy, Clone)]
        pub struct NumaAllocator;

        #[global_allocator]
        pub static GLOBAL: NumaAllocator = NumaAllocator;

        unsafe impl Sync for NumaAllocator {}

        unsafe impl GlobalAlloc for NumaAllocator {
            #[inline(always)]
            unsafe fn alloc(&self, layout: Layout) -> *mut u8
            {
                allocator_instance().global_alloc_alloc(layout)
            }

            #[inline(always)]
            unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout)
            {
                allocator_instance().global_alloc_dealloc(ptr, layout)
            }

            #[inline(always)]
            unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8
            {
                allocator_instance().global_alloc_alloc_zeroed(layout)
            }

            #[inline(always)]
            unsafe fn realloc(&self, ptr: *mut u8, layout: Layout, new_size: usize) -> *mut u8
            {
                allocator_instance().global_alloc_realloc(ptr, layout, new_size)
            }
        }

        unsafe impl Alloc for NumaAllocator {
            #[inline(always)]
            unsafe fn alloc(&mut self, layout: Layout) -> Result<MemoryAddress, AllocErr>
            {
                allocator_instance().alloc_alloc(layout)
            }

            #[inline(always)]
            unsafe fn dealloc(&mut self, ptr: MemoryAddress, layout: Layout)
            {
                allocator_instance().alloc_dealloc(ptr, layout)
            }

            #[inline(always)]
            unsafe fn realloc(&mut self, ptr: MemoryAddress, layout: Layout, new_size: usize) -> Result<MemoryAddress, AllocErr>
            {
                allocator_instance().alloc_realloc(ptr, layout, new_size)
            }

            #[inline(always)]
            unsafe fn alloc_zeroed(&mut self, layout: Layout) -> Result<MemoryAddress, AllocErr>
            {
                allocator_instance().alloc_alloc_zeroed(layout)
            }

            #[inline(always)]
            unsafe fn alloc_excess(&mut self, layout: Layout) -> Result<Excess, AllocErr>
            {
                allocator_instance().alloc_alloc_excess(layout)
            }

            #[inline(always)]
            unsafe fn realloc_excess(&mut self, ptr: MemoryAddress, layout: Layout, new_size: usize) -> Result<Excess, AllocErr>
            {
                allocator_instance().alloc_realloc_excess(ptr, layout, new_size)
            }

            #[inline(always)]
            unsafe fn grow_in_place(&mut self, ptr: MemoryAddress, layout: Layout, new_size: usize) -> Result<(), CannotReallocInPlace>
            {
                allocator_instance().alloc_grow_in_place(ptr, layout, new_size)
            }

            #[inline(always)]
            unsafe fn shrink_in_place(&mut self, ptr: MemoryAddress, layout: Layout, new_size: usize) -> Result<(), CannotReallocInPlace>
            {
                allocator_instance().alloc_shrink_in_place(ptr, layout, new_size)
            }
        }
  }
}