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Diffstat (limited to 'libgo/go/runtime/sizeclasses.go')
-rw-r--r--libgo/go/runtime/sizeclasses.go155
1 files changed, 78 insertions, 77 deletions
diff --git a/libgo/go/runtime/sizeclasses.go b/libgo/go/runtime/sizeclasses.go
index c5521ce1bd2..067871eaf34 100644
--- a/libgo/go/runtime/sizeclasses.go
+++ b/libgo/go/runtime/sizeclasses.go
@@ -3,74 +3,83 @@
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%
+// 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
@@ -83,14 +92,6 @@ const (
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 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}