mirror/zig
1
0
Fork 0
mirror of https://github.com/ziglang/zig.git synced 2025-12-06 14:23:09 +00:00
Code Issues Packages Projects Releases Wiki Activity

std.heap: test smp_allocator

Browse Source
This commit is contained in:
Andrew Kelley 2025-02-06 14:14:12 -08:00
parent 51c4ffa410
commit 3d7c5cf64a
2 changed files with 9 additions and 47 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
lib/std/heap.zig
View File

@ -481,7 +481,7 @@ pub fn StackFallbackAllocator(comptime size: usize) type {
}; };
} }
test "c_allocator" { test c_allocator {
if (builtin.link_libc) { if (builtin.link_libc) {
try testAllocator(c_allocator); try testAllocator(c_allocator);
try testAllocatorAligned(c_allocator); try testAllocatorAligned(c_allocator);
@ -490,12 +490,19 @@ test "c_allocator" {
} }
} }
test "raw_c_allocator" { test raw_c_allocator {
if (builtin.link_libc) { if (builtin.link_libc) {
try testAllocator(raw_c_allocator); try testAllocator(raw_c_allocator);
} }
} }
test smp_allocator {
try testAllocator(smp_allocator);
try testAllocatorAligned(smp_allocator);
try testAllocatorLargeAlignment(smp_allocator);
try testAllocatorAlignedShrink(smp_allocator);
}
test PageAllocator { test PageAllocator {
const allocator = page_allocator; const allocator = page_allocator;
try testAllocator(allocator); try testAllocator(allocator);

45
lib/std/heap/SmpAllocator.zig
View File

@ -241,48 +241,3 @@ fn slotSize(class: usize) usize {
const Log2USize = std.math.Log2Int(usize); const Log2USize = std.math.Log2Int(usize);
return @as(usize, 1) << @as(Log2USize, @intCast(class)); return @as(usize, 1) << @as(Log2USize, @intCast(class));
} }
test "large alloc, resize, remap, free" {
const gpa = std.heap.smp_allocator;
const ptr1 = try gpa.alloc(u64, 42768);
const ptr2 = try gpa.alloc(u64, 52768);
gpa.free(ptr1);
const ptr3 = try gpa.alloc(u64, 62768);
gpa.free(ptr3);
gpa.free(ptr2);
}
test "small allocations - free in same order" {
const gpa = std.heap.smp_allocator;
var list = std.ArrayList(*u64).init(std.testing.allocator);
defer list.deinit();
var i: usize = 0;
while (i < 513) : (i += 1) {
const ptr = try gpa.create(u64);
try list.append(ptr);
}
for (list.items) |ptr| {
gpa.destroy(ptr);
}
}
test "small allocations - free in reverse order" {
const gpa = std.heap.smp_allocator;
var list = std.ArrayList(*u64).init(std.testing.allocator);
defer list.deinit();
var i: usize = 0;
while (i < 513) : (i += 1) {
const ptr = try gpa.create(u64);
try list.append(ptr);
}
while (list.popOrNull()) |ptr| {
gpa.destroy(ptr);
}
}