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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:14:23 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:14:23 +0000 |
commit | 73df946d56c74384511a194dd01dbe099584fd1a (patch) | |
tree | fd0bcea490dd81327ddfbb31e215439672c9a068 /src/runtime/sizeclasses.go | |
parent | Initial commit. (diff) | |
download | golang-1.16-upstream.tar.xz golang-1.16-upstream.zip |
Adding upstream version 1.16.10.upstream/1.16.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/runtime/sizeclasses.go')
-rw-r--r-- | src/runtime/sizeclasses.go | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/runtime/sizeclasses.go b/src/runtime/sizeclasses.go new file mode 100644 index 0000000..c5521ce --- /dev/null +++ b/src/runtime/sizeclasses.go @@ -0,0 +1,96 @@ +// Code generated by mksizeclasses.go; DO NOT EDIT. +//go:generate go run mksizeclasses.go + +package runtime + +// class bytes/obj bytes/span objects tail waste max waste +// 1 8 8192 1024 0 87.50% +// 2 16 8192 512 0 43.75% +// 3 24 8192 341 8 29.24% +// 4 32 8192 256 0 21.88% +// 5 48 8192 170 32 31.52% +// 6 64 8192 128 0 23.44% +// 7 80 8192 102 32 19.07% +// 8 96 8192 85 32 15.95% +// 9 112 8192 73 16 13.56% +// 10 128 8192 64 0 11.72% +// 11 144 8192 56 128 11.82% +// 12 160 8192 51 32 9.73% +// 13 176 8192 46 96 9.59% +// 14 192 8192 42 128 9.25% +// 15 208 8192 39 80 8.12% +// 16 224 8192 36 128 8.15% +// 17 240 8192 34 32 6.62% +// 18 256 8192 32 0 5.86% +// 19 288 8192 28 128 12.16% +// 20 320 8192 25 192 11.80% +// 21 352 8192 23 96 9.88% +// 22 384 8192 21 128 9.51% +// 23 416 8192 19 288 10.71% +// 24 448 8192 18 128 8.37% +// 25 480 8192 17 32 6.82% +// 26 512 8192 16 0 6.05% +// 27 576 8192 14 128 12.33% +// 28 640 8192 12 512 15.48% +// 29 704 8192 11 448 13.93% +// 30 768 8192 10 512 13.94% +// 31 896 8192 9 128 15.52% +// 32 1024 8192 8 0 12.40% +// 33 1152 8192 7 128 12.41% +// 34 1280 8192 6 512 15.55% +// 35 1408 16384 11 896 14.00% +// 36 1536 8192 5 512 14.00% +// 37 1792 16384 9 256 15.57% +// 38 2048 8192 4 0 12.45% +// 39 2304 16384 7 256 12.46% +// 40 2688 8192 3 128 15.59% +// 41 3072 24576 8 0 12.47% +// 42 3200 16384 5 384 6.22% +// 43 3456 24576 7 384 8.83% +// 44 4096 8192 2 0 15.60% +// 45 4864 24576 5 256 16.65% +// 46 5376 16384 3 256 10.92% +// 47 6144 24576 4 0 12.48% +// 48 6528 32768 5 128 6.23% +// 49 6784 40960 6 256 4.36% +// 50 6912 49152 7 768 3.37% +// 51 8192 8192 1 0 15.61% +// 52 9472 57344 6 512 14.28% +// 53 9728 49152 5 512 3.64% +// 54 10240 40960 4 0 4.99% +// 55 10880 32768 3 128 6.24% +// 56 12288 24576 2 0 11.45% +// 57 13568 40960 3 256 9.99% +// 58 14336 57344 4 0 5.35% +// 59 16384 16384 1 0 12.49% +// 60 18432 73728 4 0 11.11% +// 61 19072 57344 3 128 3.57% +// 62 20480 40960 2 0 6.87% +// 63 21760 65536 3 256 6.25% +// 64 24576 24576 1 0 11.45% +// 65 27264 81920 3 128 10.00% +// 66 28672 57344 2 0 4.91% +// 67 32768 32768 1 0 12.50% + +const ( + _MaxSmallSize = 32768 + smallSizeDiv = 8 + smallSizeMax = 1024 + largeSizeDiv = 128 + _NumSizeClasses = 68 + _PageShift = 13 +) + +var class_to_size = [_NumSizeClasses]uint16{0, 8, 16, 24, 32, 48, 64, 80, 96, 112, 128, 144, 160, 176, 192, 208, 224, 240, 256, 288, 320, 352, 384, 416, 448, 480, 512, 576, 640, 704, 768, 896, 1024, 1152, 1280, 1408, 1536, 1792, 2048, 2304, 2688, 3072, 3200, 3456, 4096, 4864, 5376, 6144, 6528, 6784, 6912, 8192, 9472, 9728, 10240, 10880, 12288, 13568, 14336, 16384, 18432, 19072, 20480, 21760, 24576, 27264, 28672, 32768} +var class_to_allocnpages = [_NumSizeClasses]uint8{0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 3, 2, 3, 1, 3, 2, 3, 4, 5, 6, 1, 7, 6, 5, 4, 3, 5, 7, 2, 9, 7, 5, 8, 3, 10, 7, 4} + +type divMagic struct { + shift uint8 + shift2 uint8 + mul uint16 + baseMask uint16 +} + +var class_to_divmagic = [_NumSizeClasses]divMagic{{0, 0, 0, 0}, {3, 0, 1, 65528}, {4, 0, 1, 65520}, {3, 11, 683, 0}, {5, 0, 1, 65504}, {4, 11, 683, 0}, {6, 0, 1, 65472}, {4, 10, 205, 0}, {5, 9, 171, 0}, {4, 11, 293, 0}, {7, 0, 1, 65408}, {4, 13, 911, 0}, {5, 10, 205, 0}, {4, 12, 373, 0}, {6, 9, 171, 0}, {4, 13, 631, 0}, {5, 11, 293, 0}, {4, 13, 547, 0}, {8, 0, 1, 65280}, {5, 9, 57, 0}, {6, 9, 103, 0}, {5, 12, 373, 0}, {7, 7, 43, 0}, {5, 10, 79, 0}, {6, 10, 147, 0}, {5, 11, 137, 0}, {9, 0, 1, 65024}, {6, 9, 57, 0}, {7, 9, 103, 0}, {6, 11, 187, 0}, {8, 7, 43, 0}, {7, 8, 37, 0}, {10, 0, 1, 64512}, {7, 9, 57, 0}, {8, 6, 13, 0}, {7, 11, 187, 0}, {9, 5, 11, 0}, {8, 8, 37, 0}, {11, 0, 1, 63488}, {8, 9, 57, 0}, {7, 10, 49, 0}, {10, 5, 11, 0}, {7, 10, 41, 0}, {7, 9, 19, 0}, {12, 0, 1, 61440}, {8, 9, 27, 0}, {8, 10, 49, 0}, {11, 5, 11, 0}, {7, 13, 161, 0}, {7, 13, 155, 0}, {8, 9, 19, 0}, {13, 0, 1, 57344}, {8, 12, 111, 0}, {9, 9, 27, 0}, {11, 6, 13, 0}, {7, 14, 193, 0}, {12, 3, 3, 0}, {8, 13, 155, 0}, {11, 8, 37, 0}, {14, 0, 1, 49152}, {11, 8, 29, 0}, {7, 13, 55, 0}, {12, 5, 7, 0}, {8, 14, 193, 0}, {13, 3, 3, 0}, {7, 14, 77, 0}, {12, 7, 19, 0}, {15, 0, 1, 32768}} +var size_to_class8 = [smallSizeMax/smallSizeDiv + 1]uint8{0, 1, 2, 3, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22, 23, 23, 23, 23, 24, 24, 24, 24, 25, 25, 25, 25, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, 28, 28, 28, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29, 29, 29, 29, 30, 30, 30, 30, 30, 30, 30, 30, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32} +var size_to_class128 = [(_MaxSmallSize-smallSizeMax)/largeSizeDiv + 1]uint8{32, 33, 34, 35, 36, 37, 37, 38, 38, 39, 39, 40, 40, 40, 41, 41, 41, 42, 43, 43, 44, 44, 44, 44, 44, 45, 45, 45, 45, 45, 45, 46, 46, 46, 46, 47, 47, 47, 47, 47, 47, 48, 48, 48, 49, 49, 50, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 53, 53, 54, 54, 54, 54, 55, 55, 55, 55, 55, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 58, 58, 58, 58, 58, 58, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 61, 61, 61, 61, 61, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67} |