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July 2, 2023 10:12
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Size classes of Golang on aarch64
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| // 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 min align | |
| // 1 8 8192 1024 0 87.50% 8 | |
| // 2 16 8192 512 0 43.75% 16 | |
| // 3 24 8192 341 8 29.24% 8 | |
| // 4 32 8192 256 0 21.88% 32 | |
| // 5 48 8192 170 32 31.52% 16 | |
| // 6 64 8192 128 0 23.44% 64 | |
| // 7 80 8192 102 32 19.07% 16 | |
| // 8 96 8192 85 32 15.95% 32 | |
| // 9 112 8192 73 16 13.56% 16 | |
| // 10 128 8192 64 0 11.72% 128 | |
| // 11 144 8192 56 128 11.82% 16 | |
| // 12 160 8192 51 32 9.73% 32 | |
| // 13 176 8192 46 96 9.59% 16 | |
| // 14 192 8192 42 128 9.25% 64 | |
| // 15 208 8192 39 80 8.12% 16 | |
| // 16 224 8192 36 128 8.15% 32 | |
| // 17 240 8192 34 32 6.62% 16 | |
| // 18 256 8192 32 0 5.86% 256 | |
| // 19 288 8192 28 128 12.16% 32 | |
| // 20 320 8192 25 192 11.80% 64 | |
| // 21 352 8192 23 96 9.88% 32 | |
| // 22 384 8192 21 128 9.51% 128 | |
| // 23 416 8192 19 288 10.71% 32 | |
| // 24 448 8192 18 128 8.37% 64 | |
| // 25 480 8192 17 32 6.82% 32 | |
| // 26 512 8192 16 0 6.05% 512 | |
| // 27 576 8192 14 128 12.33% 64 | |
| // 28 640 8192 12 512 15.48% 128 | |
| // 29 704 8192 11 448 13.93% 64 | |
| // 30 768 8192 10 512 13.94% 256 | |
| // 31 896 8192 9 128 15.52% 128 | |
| // 32 1024 8192 8 0 12.40% 1024 | |
| // 33 1152 8192 7 128 12.41% 128 | |
| // 34 1280 8192 6 512 15.55% 256 | |
| // 35 1408 16384 11 896 14.00% 128 | |
| // 36 1536 8192 5 512 14.00% 512 | |
| // 37 1792 16384 9 256 15.57% 256 | |
| // 38 2048 8192 4 0 12.45% 2048 | |
| // 39 2304 16384 7 256 12.46% 256 | |
| // 40 2688 8192 3 128 15.59% 128 | |
| // 41 3072 24576 8 0 12.47% 1024 | |
| // 42 3200 16384 5 384 6.22% 128 | |
| // 43 3456 24576 7 384 8.83% 128 | |
| // 44 4096 8192 2 0 15.60% 4096 | |
| // 45 4864 24576 5 256 16.65% 256 | |
| // 46 5376 16384 3 256 10.92% 256 | |
| // 47 6144 24576 4 0 12.48% 2048 | |
| // 48 6528 32768 5 128 6.23% 128 | |
| // 49 6784 40960 6 256 4.36% 128 | |
| // 50 6912 49152 7 768 3.37% 256 | |
| // 51 8192 8192 1 0 15.61% 8192 | |
| // 52 9472 57344 6 512 14.28% 256 | |
| // 53 9728 49152 5 512 3.64% 512 | |
| // 54 10240 40960 4 0 4.99% 2048 | |
| // 55 10880 32768 3 128 6.24% 128 | |
| // 56 12288 24576 2 0 11.45% 4096 | |
| // 57 13568 40960 3 256 9.99% 256 | |
| // 58 14336 57344 4 0 5.35% 2048 | |
| // 59 16384 16384 1 0 12.49% 8192 | |
| // 60 18432 73728 4 0 11.11% 2048 | |
| // 61 19072 57344 3 128 3.57% 128 | |
| // 62 20480 40960 2 0 6.87% 4096 | |
| // 63 21760 65536 3 256 6.25% 256 | |
| // 64 24576 24576 1 0 11.45% 8192 | |
| // 65 27264 81920 3 128 10.00% 128 | |
| // 66 28672 57344 2 0 4.91% 4096 | |
| // 67 32768 32768 1 0 12.50% 8192 | |
| // alignment bits min obj size | |
| // 8 3 8 | |
| // 16 4 32 | |
| // 32 5 256 | |
| // 64 6 512 | |
| // 128 7 768 | |
| // 4096 12 28672 | |
| // 8192 13 32768 | |
| const ( | |
| _MaxSmallSize = 32768 | |
| smallSizeDiv = 8 | |
| smallSizeMax = 1024 | |
| largeSizeDiv = 128 | |
| _NumSizeClasses = 68 | |
| _PageShift = 13 | |
| maxObjsPerSpan = 1024 | |
| ) | |
| 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} | |
| var class_to_divmagic = [_NumSizeClasses]uint32{0, ^uint32(0)/8 + 1, ^uint32(0)/16 + 1, ^uint32(0)/24 + 1, ^uint32(0)/32 + 1, ^uint32(0)/48 + 1, ^uint32(0)/64 + 1, ^uint32(0)/80 + 1, ^uint32(0)/96 + 1, ^uint32(0)/112 + 1, ^uint32(0)/128 + 1, ^uint32(0)/144 + 1, ^uint32(0)/160 + 1, ^uint32(0)/176 + 1, ^uint32(0)/192 + 1, ^uint32(0)/208 + 1, ^uint32(0)/224 + 1, ^uint32(0)/240 + 1, ^uint32(0)/256 + 1, ^uint32(0)/288 + 1, ^uint32(0)/320 + 1, ^uint32(0)/352 + 1, ^uint32(0)/384 + 1, ^uint32(0)/416 + 1, ^uint32(0)/448 + 1, ^uint32(0)/480 + 1, ^uint32(0)/512 + 1, ^uint32(0)/576 + 1, ^uint32(0)/640 + 1, ^uint32(0)/704 + 1, ^uint32(0)/768 + 1, ^uint32(0)/896 + 1, ^uint32(0)/1024 + 1, ^uint32(0)/1152 + 1, ^uint32(0)/1280 + 1, ^uint32(0)/1408 + 1, ^uint32(0)/1536 + 1, ^uint32(0)/1792 + 1, ^uint32(0)/2048 + 1, ^uint32(0)/2304 + 1, ^uint32(0)/2688 + 1, ^uint32(0)/3072 + 1, ^uint32(0)/3200 + 1, ^uint32(0)/3456 + 1, ^uint32(0)/4096 + 1, ^uint32(0)/4864 + 1, ^uint32(0)/5376 + 1, ^uint32(0)/6144 + 1, ^uint32(0)/6528 + 1, ^uint32(0)/6784 + 1, ^uint32(0)/6912 + 1, ^uint32(0)/8192 + 1, ^uint32(0)/9472 + 1, ^uint32(0)/9728 + 1, ^uint32(0)/10240 + 1, ^uint32(0)/10880 + 1, ^uint32(0)/12288 + 1, ^uint32(0)/13568 + 1, ^uint32(0)/14336 + 1, ^uint32(0)/16384 + 1, ^uint32(0)/18432 + 1, ^uint32(0)/19072 + 1, ^uint32(0)/20480 + 1, ^uint32(0)/21760 + 1, ^uint32(0)/24576 + 1, ^uint32(0)/27264 + 1, ^uint32(0)/28672 + 1, ^uint32(0)/32768 + 1} | |
| 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} |
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Generated by https://github.com/golang/go/blob/5b72f45dd17314af39627c2fcac0fbc099b67603/src/runtime/mksizeclasses.go