As part of a YouTube video, I went through a bunch of serializers to see their current levels of performance. I'm happy for this repository to be improved in terms of fixing any minor issues, adding new scenarios or adding serialization frameworks.
- Jil
- Newtonsoft.Json
- ServiceStack.Text
- SpanJson
- System.Text.Json (with & without Source Generator)
- UTF8Json
BenchmarkDotNet=v0.13.5, OS=Windows 11 (10.0.22621.1265/22H2/2022Update/SunValley2)
Intel Core i9-9900K CPU 3.60GHz (Coffee Lake), 1 CPU, 8 logical and 4 physical cores
.NET SDK=7.0.200
[Host] : .NET 7.0.3 (7.0.323.6910), X64 RyuJIT AVX2
DefaultJob : .NET 7.0.3 (7.0.323.6910), X64 RyuJIT AVX2
| Method | data | Mean | Error | StdDev | Median | Min | Max | Ratio | RatioSD | Gen0 | Gen1 | Gen2 | Allocated | Alloc Ratio |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SpanJson_Deserialize | Large | 91,190.8 us | 1,811.48 us | 4,374.94 us | 89,969.2 us | 83,768.1 us | 104,369.6 us | 0.66 | 0.05 | 4000.0000 | 3833.3333 | 666.6667 | 44667.44 KB | 1.00 |
| Jil_Deserialize | Large | 100,230.1 us | 1,943.11 us | 2,237.69 us | 100,638.2 us | 96,002.4 us | 103,568.0 us | 0.72 | 0.02 | 4000.0000 | 3833.3333 | 666.6667 | 27753.73 KB | 0.62 |
| UTF8Json_Deserialize | Large | 109,200.0 us | 2,085.04 us | 2,047.79 us | 109,092.9 us | 105,728.9 us | 113,311.5 us | 0.79 | 0.02 | 3800.0000 | 3600.0000 | 600.0000 | 44666.62 KB | 1.00 |
| SystemTextJson_Deserialize | Large | 138,832.0 us | 1,958.74 us | 1,832.20 us | 138,740.8 us | 136,207.2 us | 141,876.0 us | 1.00 | 0.00 | 3750.0000 | 3500.0000 | 500.0000 | 44668.96 KB | 1.00 |
| SystemTextJson_SrcGen_Deserialize | Large | 140,451.0 us | 2,175.38 us | 2,034.85 us | 140,515.7 us | 137,389.1 us | 144,502.9 us | 1.01 | 0.02 | 3750.0000 | 3500.0000 | 500.0000 | 44668.96 KB | 1.00 |
| ServiceStack_Deserialize | Large | 220,351.1 us | 4,329.13 us | 7,112.88 us | 218,680.2 us | 210,853.8 us | 238,109.4 us | 1.58 | 0.06 | 4666.6667 | 2333.3333 | 333.3333 | 37471.89 KB | 0.84 |
| NewtonsoftJson_Deserialize | Large | 249,970.0 us | 4,223.49 us | 4,519.08 us | 248,670.5 us | 244,194.6 us | 260,768.2 us | 1.80 | 0.04 | 5000.0000 | 2500.0000 | 500.0000 | 39137.85 KB | 0.88 |
| Jil_Deserialize | Medium | 16,157.2 us | 266.15 us | 316.83 us | 16,072.6 us | 15,767.3 us | 16,985.5 us | 0.59 | 0.02 | 843.7500 | 750.0000 | - | 6935.28 KB | 0.62 |
| SpanJson_Deserialize | Medium | 16,572.0 us | 267.62 us | 237.24 us | 16,686.7 us | 16,136.5 us | 16,803.6 us | 0.61 | 0.01 | 1093.7500 | 968.7500 | 250.0000 | 11124.97 KB | 1.00 |
| UTF8Json_Deserialize | Medium | 21,231.9 us | 414.06 us | 552.76 us | 21,134.0 us | 20,066.9 us | 22,387.3 us | 0.78 | 0.03 | 1093.7500 | 968.7500 | 250.0000 | 11125.04 KB | 1.00 |
| SystemTextJson_Deserialize | Medium | 27,273.0 us | 329.03 us | 307.77 us | 27,179.3 us | 26,864.5 us | 28,011.8 us | 1.00 | 0.00 | 1093.7500 | 968.7500 | 250.0000 | 11125.72 KB | 1.00 |
| SystemTextJson_SrcGen_Deserialize | Medium | 27,648.3 us | 241.70 us | 214.26 us | 27,591.1 us | 27,366.2 us | 28,085.3 us | 1.01 | 0.02 | 1093.7500 | 968.7500 | 250.0000 | 11126.42 KB | 1.00 |
| ServiceStack_Deserialize | Medium | 48,323.4 us | 734.66 us | 687.20 us | 48,138.1 us | 47,236.9 us | 49,689.3 us | 1.77 | 0.03 | 1181.8182 | 1000.0000 | 90.9091 | 9357.83 KB | 0.84 |
| NewtonsoftJson_Deserialize | Medium | 55,349.4 us | 1,089.57 us | 2,298.27 us | 55,172.9 us | 51,556.2 us | 60,647.0 us | 2.05 | 0.07 | 1100.0000 | 900.0000 | - | 9776.74 KB | 0.88 |
| SpanJson_Deserialize | Small | 511.2 us | 9.20 us | 8.15 us | 509.2 us | 501.2 us | 528.3 us | 0.54 | 0.01 | 51.7578 | 51.7578 | 51.7578 | 446.93 KB | 1.60 |
| Jil_Deserialize | Small | 564.0 us | 2.39 us | 2.00 us | 563.5 us | 561.7 us | 567.8 us | 0.60 | 0.00 | 34.1797 | 10.7422 | - | 279.63 KB | 1.00 |
| UTF8Json_Deserialize | Small | 665.7 us | 5.09 us | 4.76 us | 665.6 us | 658.7 us | 673.7 us | 0.71 | 0.00 | 83.0078 | 61.5234 | 48.8281 | 447.05 KB | 1.60 |
| SystemTextJson_Deserialize | Small | 939.9 us | 1.45 us | 1.21 us | 939.7 us | 937.5 us | 941.7 us | 1.00 | 0.00 | 34.1797 | 11.7188 | - | 279.71 KB | 1.00 |
| SystemTextJson_SrcGen_Deserialize | Small | 983.0 us | 2.19 us | 1.94 us | 983.0 us | 979.7 us | 985.9 us | 1.05 | 0.00 | 33.2031 | 11.7188 | - | 279.71 KB | 1.00 |
| ServiceStack_Deserialize | Small | 1,551.9 us | 13.64 us | 12.76 us | 1,546.8 us | 1,535.9 us | 1,578.3 us | 1.65 | 0.01 | 44.9219 | 13.6719 | - | 379.04 KB | 1.36 |
| NewtonsoftJson_Deserialize | Small | 1,880.9 us | 28.69 us | 26.84 us | 1,886.8 us | 1,831.2 us | 1,914.5 us | 2.00 | 0.03 | 46.8750 | 19.5313 | - | 398.46 KB | 1.42 |
| SpanJson_Serialize | Large | 24,379.2 us | 67.39 us | 56.27 us | 24,383.5 us | 24,263.1 us | 24,476.9 us | 0.48 | 0.00 | 125.0000 | 125.0000 | 125.0000 | 16384.13 KB | 0.48 |
| UTF8Json_Serialize | Large | 39,032.1 us | 765.63 us | 1,419.15 us | 38,884.8 us | 36,683.0 us | 42,188.1 us | 0.80 | 0.03 | 615.3846 | 615.3846 | 615.3846 | 82319.57 KB | 2.40 |
| SystemTextJson_SrcGen_Serialize | Large | 49,655.5 us | 217.47 us | 181.60 us | 49,619.5 us | 49,443.4 us | 50,147.9 us | 0.98 | 0.00 | - | - | - | 34296.93 KB | 1.00 |
| SystemTextJson_Serialize | Large | 50,513.3 us | 170.93 us | 151.53 us | 50,520.8 us | 50,184.7 us | 50,817.3 us | 1.00 | 0.00 | - | - | - | 34296.93 KB | 1.00 |
| Jil_Serialize | Large | 53,530.0 us | 1,067.88 us | 1,425.59 us | 53,763.7 us | 50,595.6 us | 55,955.4 us | 1.07 | 0.03 | 5000.0000 | 4888.8889 | 888.8889 | 67819 KB | 1.98 |
| NewtonsoftJson_Serialize | Large | 125,169.9 us | 2,045.01 us | 1,812.85 us | 125,387.6 us | 122,390.9 us | 128,757.7 us | 2.48 | 0.04 | 6600.0000 | 3600.0000 | 800.0000 | 81290.58 KB | 2.37 |
| ServiceStack_Serialize | Large | 146,043.9 us | 293.87 us | 274.89 us | 145,935.9 us | 145,687.9 us | 146,551.0 us | 2.89 | 0.01 | 6000.0000 | - | - | 78487.63 KB | 2.29 |
| SpanJson_Serialize | Medium | 6,141.6 us | 56.25 us | 52.61 us | 6,155.3 us | 5,993.7 us | 6,201.1 us | 0.48 | 0.01 | 117.1875 | 117.1875 | 117.1875 | 4096.11 KB | 0.48 |
| UTF8Json_Serialize | Medium | 10,055.7 us | 199.79 us | 177.11 us | 10,020.6 us | 9,819.5 us | 10,372.9 us | 0.78 | 0.02 | 500.0000 | 500.0000 | 500.0000 | 20445.27 KB | 2.41 |
| SystemTextJson_Serialize | Medium | 12,890.4 us | 203.52 us | 190.38 us | 12,866.9 us | 12,676.6 us | 13,272.9 us | 1.00 | 0.00 | 187.5000 | 187.5000 | 187.5000 | 8496.96 KB | 1.00 |
| SystemTextJson_SrcGen_Serialize | Medium | 13,029.8 us | 164.63 us | 153.99 us | 13,040.7 us | 12,804.6 us | 13,314.2 us | 1.01 | 0.02 | 187.5000 | 187.5000 | 187.5000 | 8496.96 KB | 1.00 |
| Jil_Serialize | Medium | 16,192.0 us | 315.34 us | 410.04 us | 16,162.8 us | 15,534.3 us | 17,039.5 us | 1.26 | 0.05 | 1906.2500 | 1812.5000 | 875.0000 | 16806.86 KB | 1.98 |
| NewtonsoftJson_Serialize | Medium | 31,214.2 us | 558.44 us | 948.28 us | 30,899.0 us | 30,212.6 us | 33,347.0 us | 2.41 | 0.07 | 2312.5000 | 1875.0000 | 875.0000 | 20170.37 KB | 2.37 |
| ServiceStack_Serialize | Medium | 38,538.6 us | 314.84 us | 294.50 us | 38,582.1 us | 38,049.6 us | 39,009.7 us | 2.99 | 0.04 | 1571.4286 | 142.8571 | 142.8571 | 19358.84 KB | 2.28 |
| SpanJson_Serialize | Small | 234.9 us | 0.43 us | 0.38 us | 234.9 us | 234.1 us | 235.3 us | 0.47 | 0.00 | 75.6836 | 75.6836 | 75.6836 | 256.07 KB | 0.75 |
| UTF8Json_Serialize | Small | 303.2 us | 0.89 us | 0.84 us | 303.3 us | 301.8 us | 304.4 us | 0.61 | 0.00 | 148.9258 | 148.9258 | 148.9258 | 551.72 KB | 1.62 |
| Jil_Serialize | Small | 436.1 us | 19.80 us | 58.37 us | 473.4 us | 322.6 us | 486.5 us | 0.70 | 0.03 | 99.6094 | 99.6094 | 99.6094 | 673.91 KB | 1.98 |
| SystemTextJson_Serialize | Small | 499.2 us | 3.20 us | 2.84 us | 499.9 us | 492.4 us | 502.9 us | 1.00 | 0.00 | 89.8438 | 89.8438 | 89.8438 | 340.86 KB | 1.00 |
| SystemTextJson_SrcGen_Serialize | Small | 503.1 us | 2.69 us | 2.38 us | 503.0 us | 498.8 us | 507.4 us | 1.01 | 0.01 | 89.8438 | 89.8438 | 89.8438 | 340.85 KB | 1.00 |
| NewtonsoftJson_Serialize | Small | 1,102.0 us | 11.72 us | 9.15 us | 1,104.2 us | 1,081.5 us | 1,110.3 us | 2.21 | 0.03 | 148.4375 | 113.2813 | 89.8438 | 821.44 KB | 2.41 |
| ServiceStack_Serialize | Small | 1,581.4 us | 17.93 us | 16.77 us | 1,577.9 us | 1,562.8 us | 1,617.2 us | 3.17 | 0.04 | 142.5781 | 82.0313 | 82.0313 | 784.99 KB | 2.30 |
BenchmarkDotNet=v0.13.5, OS=Windows 11 (10.0.22621.1265/22H2/2022Update/SunValley2)
Intel Core i9-9900K CPU 3.60GHz (Coffee Lake), 1 CPU, 8 logical and 4 physical cores
.NET SDK=7.0.200
[Host] : .NET 7.0.3 (7.0.323.6910), X64 RyuJIT AVX2
DefaultJob : .NET 7.0.3 (7.0.323.6910), X64 RyuJIT AVX2
| Method | data | Mean | Error | StdDev | Min | Max | Gen0 | Gen1 | Gen2 | Allocated |
|---|---|---|---|---|---|---|---|---|---|---|
| GroBuf_Deserialize | Large | 47,243.86 us | 825.702 us | 772.362 us | 45,642.06 us | 48,513.91 us | 3636.3636 | 3545.4545 | 545.4545 | 26179193 B |
| Bebop_Deserialize | Large | 48,244.74 us | 748.848 us | 700.473 us | 47,523.21 us | 49,245.47 us | 3909.0909 | 3818.1818 | 727.2727 | 26980756 B |
| MemoryPack_Deserialize | Large | 48,738.47 us | 911.477 us | 852.597 us | 47,061.95 us | 50,501.60 us | 3636.3636 | 3545.4545 | 545.4545 | 26179103 B |
| MessagePack_Deserialize | Large | 62,726.35 us | 1,155.674 us | 1,330.876 us | 60,548.57 us | 65,081.39 us | 3500.0000 | 3375.0000 | 500.0000 | 26179115 B |
| ProtoBufNet_Deserialize | Large | 71,688.15 us | 1,416.613 us | 2,031.664 us | 69,305.33 us | 76,257.39 us | 3714.2857 | 3571.4286 | 571.4286 | 26820875 B |
| Hyperion_Deserialize | Large | 87,696.21 us | 1,700.080 us | 1,889.634 us | 85,881.60 us | 91,572.22 us | 4166.6667 | 4000.0000 | 500.0000 | 31180175 B |
| MsgPack_Deserialize | Large | 92,672.91 us | 1,770.147 us | 1,817.811 us | 89,019.35 us | 96,053.55 us | 4166.6667 | 4000.0000 | 500.0000 | 32018907 B |
| AvroConvert_Deserialize | Large | 196,401.45 us | 3,830.642 us | 4,980.917 us | 187,416.40 us | 203,311.00 us | 10000.0000 | 3666.6667 | 333.3333 | 96425000 B |
| BSON_Deserialize | Large | 235,586.13 us | 3,199.265 us | 2,836.065 us | 229,802.00 us | 240,312.37 us | 8333.3333 | 4333.3333 | 333.3333 | 69298835 B |
| GroBuf_Deserialize | Medium | 4,257.91 us | 62.966 us | 52.579 us | 4,179.05 us | 4,336.40 us | 773.4375 | 703.1250 | - | 6533041 B |
| Bebop_Deserialize | Medium | 4,402.57 us | 60.201 us | 56.312 us | 4,308.14 us | 4,478.53 us | 804.6875 | 750.0000 | - | 6732454 B |
| MemoryPack_Deserialize | Medium | 4,425.59 us | 43.134 us | 40.347 us | 4,370.96 us | 4,497.73 us | 773.4375 | 703.1250 | - | 6532969 B |
| ProtoBufNet_Deserialize | Medium | 8,896.05 us | 44.146 us | 39.134 us | 8,804.73 us | 8,960.84 us | 796.8750 | 593.7500 | - | 6693108 B |
| MessagePack_Deserialize | Medium | 8,967.02 us | 74.913 us | 66.408 us | 8,843.58 us | 9,075.46 us | 765.6250 | 687.5000 | - | 6532978 B |
| Hyperion_Deserialize | Medium | 13,124.22 us | 46.479 us | 41.203 us | 13,063.96 us | 13,210.24 us | 921.8750 | 843.7500 | - | 7789506 B |
| MsgPack_Deserialize | Medium | 13,680.20 us | 189.208 us | 202.450 us | 13,328.87 us | 14,038.78 us | 953.1250 | 906.2500 | - | 7992954 B |
| AvroConvert_Deserialize | Medium | 43,866.48 us | 713.613 us | 667.514 us | 42,987.47 us | 45,111.19 us | 2692.3077 | 1076.9231 | 230.7692 | 24169490 B |
| BSON_Deserialize | Medium | 59,161.54 us | 1,155.333 us | 1,080.699 us | 57,379.79 us | 60,921.69 us | 2222.2222 | 1222.2222 | 222.2222 | 17298596 B |
| GroBuf_Deserialize | Small | 113.90 us | 1.860 us | 1.649 us | 111.64 us | 117.01 us | 31.4941 | 10.4980 | - | 263784 B |
| Bebop_Deserialize | Small | 116.13 us | 1.069 us | 1.000 us | 114.89 us | 118.71 us | 32.4707 | 12.0850 | - | 272000 B |
| MemoryPack_Deserialize | Small | 121.76 us | 0.376 us | 0.314 us | 120.74 us | 121.99 us | 31.4941 | 10.4980 | - | 263712 B |
| MessagePack_Deserialize | Small | 299.24 us | 0.495 us | 0.439 us | 298.79 us | 300.21 us | 31.2500 | 10.2539 | - | 263713 B |
| ProtoBufNet_Deserialize | Small | 302.80 us | 4.197 us | 6.152 us | 298.31 us | 321.27 us | 32.2266 | 10.7422 | - | 270233 B |
| Hyperion_Deserialize | Small | 354.44 us | 1.090 us | 1.019 us | 353.28 us | 356.81 us | 37.5977 | 12.6953 | - | 315425 B |
| MsgPack_Deserialize | Small | 463.82 us | 4.525 us | 4.232 us | 458.79 us | 472.56 us | 38.0859 | 12.6953 | - | 322225 B |
| AvroConvert_Deserialize | Small | 1,516.93 us | 8.215 us | 7.684 us | 1,504.66 us | 1,527.68 us | 134.7656 | 48.8281 | - | 1135455 B |
| BSON_Deserialize | Small | 1,697.43 us | 19.415 us | 18.161 us | 1,666.60 us | 1,727.83 us | 82.0313 | 27.3438 | - | 701884 B |
| MemoryPack_Serialize | Large | 9,668.02 us | 11.755 us | 9.816 us | 9,649.58 us | 9,682.30 us | 31.2500 | 31.2500 | 31.2500 | 9818513 B |
| GroBuf_Serialize | Large | 10,991.49 us | 13.141 us | 11.649 us | 10,968.58 us | 11,013.30 us | 62.5000 | 62.5000 | 62.5000 | 18824229 B |
| Bebop_Serialize | Large | 12,556.43 us | 55.511 us | 46.354 us | 12,493.10 us | 12,641.42 us | - | - | - | 36 B |
| MessagePack_Serialize | Large | 16,490.02 us | 66.105 us | 61.834 us | 16,413.60 us | 16,612.91 us | - | - | - | 7196899 B |
| ProtoBufNet_Serialize | Large | 27,214.02 us | 270.428 us | 239.727 us | 26,966.38 us | 27,802.83 us | 156.2500 | 156.2500 | 156.2500 | 27893153 B |
| Hyperion_Serialize | Large | 34,844.59 us | 425.809 us | 398.302 us | 34,004.25 us | 35,126.87 us | 600.0000 | 66.6667 | 66.6667 | 28827900 B |
| MsgPack_Serialize | Large | 40,435.03 us | 372.214 us | 329.958 us | 39,724.02 us | 40,921.32 us | 1230.7692 | 384.6154 | 307.6923 | 67710617 B |
| AvroConvert_Serialize | Large | 55,918.00 us | 640.324 us | 598.960 us | 54,529.86 us | 56,514.13 us | 4111.1111 | 111.1111 | 111.1111 | 78042956 B |
| BSON_Serialize | Large | 139,522.40 us | 1,145.433 us | 1,071.439 us | 137,698.95 us | 141,130.38 us | 4750.0000 | - | - | 90285250 B |
| MemoryPack_Serialize | Medium | 2,344.52 us | 27.653 us | 24.514 us | 2,318.72 us | 2,405.98 us | 85.9375 | 85.9375 | 85.9375 | 2446033 B |
| GroBuf_Serialize | Medium | 2,594.14 us | 51.653 us | 59.484 us | 2,480.14 us | 2,687.87 us | 109.3750 | 109.3750 | 109.3750 | 4688436 B |
| Bebop_Serialize | Medium | 2,874.85 us | 8.709 us | 6.800 us | 2,869.72 us | 2,887.92 us | - | - | - | 27 B |
| MessagePack_Serialize | Medium | 4,229.39 us | 82.978 us | 77.618 us | 4,104.00 us | 4,339.72 us | 31.2500 | 31.2500 | 31.2500 | 1737144 B |
| ProtoBufNet_Serialize | Medium | 7,162.14 us | 45.605 us | 40.428 us | 7,107.72 us | 7,238.80 us | 140.6250 | 125.0000 | 125.0000 | 7090069 B |
| Hyperion_Serialize | Medium | 8,857.20 us | 29.018 us | 25.724 us | 8,821.47 us | 8,914.76 us | 296.8750 | 156.2500 | 156.2500 | 7197143 B |
| MsgPack_Serialize | Medium | 9,629.06 us | 188.542 us | 376.539 us | 8,914.96 us | 10,518.29 us | 671.8750 | 406.2500 | 390.6250 | 15023469 B |
| AvroConvert_Serialize | Medium | 16,328.77 us | 310.634 us | 305.085 us | 15,725.40 us | 16,876.81 us | 1375.0000 | 562.5000 | 343.7500 | 19539986 B |
| BSON_Serialize | Medium | 37,320.81 us | 603.465 us | 564.481 us | 36,480.74 us | 38,157.81 us | 1428.5714 | 285.7143 | 285.7143 | 22510582 B |
| MemoryPack_Serialize | Small | 86.05 us | 0.790 us | 0.701 us | 85.32 us | 87.32 us | 16.1133 | 16.1133 | 16.1133 | 98798 B |
| GroBuf_Serialize | Small | 90.58 us | 1.163 us | 1.088 us | 89.51 us | 92.61 us | 27.2217 | 27.2217 | 27.2217 | 189554 B |
| Bebop_Serialize | Small | 114.32 us | 0.799 us | 0.748 us | 113.45 us | 116.12 us | - | - | - | 24 B |
| MessagePack_Serialize | Small | 159.42 us | 1.411 us | 1.178 us | 157.78 us | 161.28 us | 8.0566 | - | - | 69336 B |
| ProtoBufNet_Serialize | Small | 259.28 us | 3.939 us | 3.492 us | 252.99 us | 266.47 us | 26.8555 | 4.3945 | - | 228617 B |
| MsgPack_Serialize | Small | 281.98 us | 2.989 us | 2.496 us | 278.27 us | 285.97 us | 70.8008 | 12.2070 | - | 596033 B |
| Hyperion_Serialize | Small | 339.40 us | 2.626 us | 2.193 us | 335.48 us | 342.36 us | 52.2461 | 25.8789 | 22.4609 | 384295 B |
| AvroConvert_Serialize | Small | 773.36 us | 8.749 us | 8.184 us | 763.25 us | 792.67 us | 129.8828 | 61.5234 | 44.9219 | 983877 B |
| BSON_Serialize | Small | 1,449.58 us | 28.409 us | 29.174 us | 1,417.69 us | 1,504.62 us | 158.2031 | 101.5625 | 95.7031 | 1093695 B |