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Json-Performance

Performance profiling of JSON libraries (Compiled and run on Darwin 23.6.0 using the Clang 19.1.5 compiler).

Latest Results: (Jan 06, 2025)

Using the following commits:

| Jsonifier: 6b1c240
| Glaze: ac09e84
| Simdjson: 5488dca

100 iterations on a (Apple M1 (Virtual)).

Json Test (Prettified) Results (View the data used in the following test):

Library Read (MB/S) Read Percentage Deviation (+/-%) Read Length (Bytes) Read Time (ns) Write (MB/S) Write Percentage Deviation (+/-%) Write Length (Bytes) Write Time (ns)
jsonifier 1995.58 1.86902 461303 1.10227e+07 1766.89 22.3186 461303 1.24494e+07
glaze 1719.15 2.50128 461303 1.2795e+07 2477.55 6.06839 461303 8.87837e+06
simdjson 863.495 9.58079 461303 2.5474e+07

Json Test (Minified) Results (View the data used in the following test):

Library Read (MB/S) Read Percentage Deviation (+/-%) Read Length (Bytes) Read Time (ns) Write (MB/S) Write Percentage Deviation (+/-%) Write Length (Bytes) Write Time (ns)
jsonifier 1707.72 2.81133 345233 9.63976e+06 2148.15 22.1129 345233 7.66333e+06
glaze 1617.41 4.98282 345233 1.0178e+07 2214.24 5.87305 345233 7.43459e+06
simdjson 658.899 15.9048 345233 2.49841e+07

Partial Test (Prettified) Results (View the data used in the following test):

Library Read (MB/S) Read Percentage Deviation (+/-%) Read Length (Bytes) Read Time (ns) Write (MB/S) Write Percentage Deviation (+/-%) Write Length (Bytes) Write Time (ns)
simdjson 163.965 4.85922 20202 5.87508e+06
jsonifier 118.585 3.08336 20202 8.12337e+06 4738.49 12.9094 20202 203294

Partial Test (Minified) Results (View the data used in the following test):

Library Read (MB/S) Read Percentage Deviation (+/-%) Read Length (Bytes) Read Time (ns) Write (MB/S) Write Percentage Deviation (+/-%) Write Length (Bytes) Write Time (ns)
simdjson 151.134 6.22495 15456 4.87646e+06
jsonifier 146.038 5.42396 15456 5.04663e+06 1775.9 58.3253 15456 415000

Abc (Out of Order) Test (Prettified) Results (View the data used in the following test):

The JSON documents in the previous tests featured keys ranging from "a" to "z", where each key corresponds to an array of values. Notably, the documents in this test arrange these keys in reverse order, deviating from the typical "a" to "z" arrangement.

This test effectively demonstrates the challenges encountered when utilizing simdjson and iterative parsers that lack the ability to efficiently allocate memory locations throughhashing. In cases where the keys are not in the expected sequence, performance is significantly compromised, with the severity escalating as the document size increases.

In contrast, hash-based solutions offer a viable alternative by circumventing these issues and maintaining optimal performance regardless of the JSON document's scale, or ordering of the keys being parsed.

Library Read (MB/S) Read Percentage Deviation (+/-%) Read Length (Bytes) Read Time (ns) Write (MB/S) Write Percentage Deviation (+/-%) Write Length (Bytes) Write Time (ns)
jsonifier 1972.42 4.46494 461303 1.11521e+07 2425.25 5.7772 461303 9.06983e+06
glaze 1756.45 3.66302 461303 1.25233e+07 2506.67 7.74223 461303 8.77525e+06
simdjson 367.705 9.09746 461303 5.98214e+07

Abc (Out of Order) Test (Minified) Results (View the data used in the following test):

Library Read (MB/S) Read Percentage Deviation (+/-%) Read Length (Bytes) Read Time (ns) Write (MB/S) Write Percentage Deviation (+/-%) Write Length (Bytes) Write Time (ns)
glaze 1667.15 2.10278 345233 9.87434e+06 2302.3 6.06346 345233 7.15025e+06
jsonifier 1540.42 9.58396 345233 1.06867e+07 1919.35 27.0812 345233 8.57687e+06
simdjson 297.538 4.7676 345233 5.53273e+07

Discord Test (Prettified) Results (View the data used in the following test):

Library Read (MB/S) Read Percentage Deviation (+/-%) Read Length (Bytes) Read Time (ns) Write (MB/S) Write Percentage Deviation (+/-%) Write Length (Bytes) Write Time (ns)
jsonifier 2242.57 6.80345 138774 2.95075e+06 3126.7 5.2032 138774 2.11637e+06
glaze 1756.83 2.65185 138774 3.76658e+06 3205.07 2.62615 138774 2.06462e+06
simdjson 1390.68 5.31648 138482 4.74829e+06

Discord Test (Minified) Results (View the data used in the following test):

Library Read (MB/S) Read Percentage Deviation (+/-%) Read Length (Bytes) Read Time (ns) Write (MB/S) Write Percentage Deviation (+/-%) Write Length (Bytes) Write Time (ns)
glaze 1456.45 5.61434 69037 2.26025e+06 3473.44 8.11894 69037 947747
jsonifier 1250.14 3.79573 69037 2.63325e+06 2388.21 6.29455 69037 1.37842e+06
simdjson 668.471 14.9886 68745 4.90375e+06

Canada Test (Prettified) Results (View the data used in the following test):

Library Read (MB/S) Read Percentage Deviation (+/-%) Read Length (Bytes) Read Time (ns) Write (MB/S) Write Percentage Deviation (+/-%) Write Length (Bytes) Write Time (ns)
jsonifier 2984.08 4.0244 6661897 1.06453e+08 2769.71 2.12584 6661897 1.14692e+08
glaze 2508.07 5.32329 6661897 1.26657e+08 2104.49 3.82846 6661897 1.50946e+08
simdjson 1105.55 2.32822 6661897 2.87336e+08

Canada Test (Minified) Results (View the data used in the following test):

Library Read (MB/S) Read Percentage Deviation (+/-%) Read Length (Bytes) Read Time (ns) Write (MB/S) Write Percentage Deviation (+/-%) Write Length (Bytes) Write Time (ns)
glaze 1186.69 0.640541 2090234 8.399e+07 906.699 1.31268 2090234 1.09926e+08
jsonifier 1105.99 0.894424 2090234 9.01185e+07 893.483 3.01074 2090234 1.11552e+08
simdjson 345.201 6.64303 2090234 2.8873e+08

CitmCatalog Test (Prettified) Results (View the data used in the following test):

Library Read (MB/S) Read Percentage Deviation (+/-%) Read Length (Bytes) Read Time (ns) Write (MB/S) Write Percentage Deviation (+/-%) Write Length (Bytes) Write Time (ns)
jsonifier 3254.76 4.79398 1439562 2.10902e+07 9950.94 7.64487 1439562 6.89821e+06
glaze 2493.93 2.07273 1439584 2.75247e+07 3910.73 2.67515 1439584 1.75529e+07
simdjson 1826.32 1.93306 1423415 3.71642e+07

CitmCatalog Test (Minified) Results (View the data used in the following test):

Library Read (MB/S) Read Percentage Deviation (+/-%) Read Length (Bytes) Read Time (ns) Write (MB/S) Write Percentage Deviation (+/-%) Write Length (Bytes) Write Time (ns)
jsonifier 1799.83 11.1947 500299 1.32547e+07 5801.24 2.27362 500299 4.11225e+06
glaze 1180.43 32.4378 500299 2.02098e+07 2640.87 2.4915 500299 9.03342e+06
simdjson 679.551 2.65549 492910 3.45872e+07

Twitter Partial Test (Prettified) Results (View the data used in the following test):

Library Read (MB/S) Read Percentage Deviation (+/-%) Read Length (Bytes) Read Time (ns) Write (MB/S) Write Percentage Deviation (+/-%) Write Length (Bytes) Write Time (ns)
simdjson 196.655 1.75177 44653 1.08272e+07
jsonifier 179.829 6.53365 44653 1.18402e+07 8008.35 7.55054 44653 265875

Twitter Partial Test (Minified) Results (View the data used in the following test):

Library Read (MB/S) Read Percentage Deviation (+/-%) Read Length (Bytes) Read Time (ns) Write (MB/S) Write Percentage Deviation (+/-%) Write Length (Bytes) Write Time (ns)
simdjson 183.231 2.10359 37543 9.77012e+06
jsonifier 174.095 13.5695 37543 1.02828e+07 3126.05 57.0781 37543 572668

Twitter Test (Prettified) Results (View the data used in the following test):

Library Read (MB/S) Read Percentage Deviation (+/-%) Read Length (Bytes) Read Time (ns) Write (MB/S) Write Percentage Deviation (+/-%) Write Length (Bytes) Write Time (ns)
jsonifier 2626.58 7.76503 719139 1.30555e+07 3979.06 2.91561 719139 8.61792e+06
glaze 2197.1 3.4653 719139 1.56075e+07 3099.91 22.3504 719139 1.1062e+07
simdjson 1112.94 13.4904 723784 3.10105e+07

Twitter Test (Minified) Results (View the data used in the following test):

Library Read (MB/S) Read Percentage Deviation (+/-%) Read Length (Bytes) Read Time (ns) Write (MB/S) Write Percentage Deviation (+/-%) Write Length (Bytes) Write Time (ns)
jsonifier 2312.06 4.35656 477706 9.85217e+06 4062.65 3.91262 477706 5.60688e+06
glaze 2186.55 2.0894 477706 1.04177e+07 4387.61 2.88864 477706 5.19162e+06
simdjson 925.523 2.44903 479183 2.46879e+07

Minify Test Results (View the data used in the following test):

Library Write (MB/S) Write Percentage Deviation (+/-%) Write Length (Bytes) Write Time (ns)
glaze 1484.75 3.00935 466906 1.4995e+07
jsonifier 1246.33 1.50983 466906 1.78635e+07
simdjson 935.311 4.60007 631514 3.21956e+07

Prettify Test Results (View the data used in the following test):

Library Write (MB/S) Write Percentage Deviation (+/-%) Write Length (Bytes) Write Time (ns)
glaze 2031.67 3.98879 699405 1.64152e+07
jsonifier 1663.03 1.58828 699405 2.00539e+07

Validate Test Results (View the data used in the following test):

Library Read (MB/S) Read Percentage Deviation (+/-%) Read Length (Bytes) Read Time (ns)
glaze 2279.6 2.1242 631514 1.32098e+07
jsonifier 1130.02 1.11136 631514 2.66482e+07