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Use Bi formatting in debug allocator instead of our own bad solution now that PR has been merged in zig

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This commit is contained in:
Alexandros Naskos 2020-06-12 21:33:40 +03:00
parent 04638a6d4d
commit 5c78e88b19
1 changed files with 15 additions and 23 deletions
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38
src/debug_allocator.zig
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@ -4,13 +4,6 @@ const std = @import("std");
const DebugAllocator = @This();
fn toMB(value: var) f64 {
return switch (@TypeOf(value)) {
f64 => value / (1024 * 1024),
else => @intToFloat(f64, value) / (1024 * 1024),
};
}
const Stats = struct {
mean: f64 = 0,
mean_of_squares: f64 = 0,
@ -52,33 +45,32 @@ pub const AllocationInfo = struct {
) !void {
@setEvalBranchQuota(2000);
// TODO Fix these to use `Bi` and remove toMB once `https://github.com/ziglang/zig/pull/5592` is accepted
return std.fmt.format(
out_stream,
\\------------------------------------------ Allocation info ------------------------------------------
\\{} total allocations (total: {d:.2} MB, mean: {d:.2} MB, std. dev: {d:.2} MB), {} deallocations
\\{} current allocations ({d:.2} MB), peak mem usage: {d:.2} MB
\\{} reallocations (total: {d:.2} MB, mean: {d:.2} MB, std. dev: {d:.2} MB)
\\{} shrinks (total: {d:.2} MB, mean: {d:.2} MB, std. dev: {d:.2} MB)
\\{} total allocations (total: {Bi:.2}, mean: {Bi:.2}, std. dev: {Bi:.2} MB), {} deallocations
\\{} current allocations ({Bi:.2}), peak mem usage: {Bi:.2}
\\{} reallocations (total: {Bi:.2}, mean: {Bi:.2}, std. dev: {Bi:.2})
\\{} shrinks (total: {Bi:.2}, mean: {Bi:.2}, std. dev: {Bi:.2})
\\-----------------------------------------------------------------------------------------------------
,
.{
self.allocation_stats.count,
toMB(self.allocation_stats.total),
toMB(self.allocation_stats.mean),
toMB(self.allocation_stats.stdDev()),
self.allocation_stats.total,
self.allocation_stats.mean,
self.allocation_stats.stdDev(),
self.deallocation_count,
self.allocation_stats.count - self.deallocation_count,
toMB(self.currentlyAllocated()),
toMB(self.peak_allocated),
self.currentlyAllocated(),
self.peak_allocated,
self.reallocation_stats.count,
toMB(self.reallocation_stats.total),
toMB(self.reallocation_stats.mean),
toMB(self.reallocation_stats.stdDev()),
self.reallocation_stats.total,
self.reallocation_stats.mean,
self.reallocation_stats.stdDev(),
self.shrink_stats.count,
toMB(self.shrink_stats.total),
toMB(self.shrink_stats.mean),
toMB(self.shrink_stats.stdDev()),
self.shrink_stats.total,
self.shrink_stats.mean,
self.shrink_stats.stdDev(),
},
);
}