diff --git a/cases/marshal.ts b/cases/marshal.ts
index aa2ee36e4..cd06292d3 100644
--- a/cases/marshal.ts
+++ b/cases/marshal.ts
@@ -1,7 +1,7 @@
 import 'reflect-metadata';
 import {
   f,
-  validatedPlainToClass
+  jitValidate
 } from '@marcj/marshal';
 import { Data } from '../data';
 import { Case } from './abstract';
@@ -43,10 +43,18 @@ class DataType implements Data {
   deeplyNested!: DeeplyNestedType;
 }
 
+const validator = jitValidate(DataType);
+
 export class MarshalCase extends Case implements Case {
   name = 'marshal';
 
   validate() {
-    return validatedPlainToClass(DataType, this.data);
+    const errors = validator(this.data);
+
+    if (errors.length === 0) {
+      return this.data;
+    }
+
+    throw new Error('Invalid');
   }
 }
diff --git a/results/bar-graph-10.x.svg b/results/bar-graph-10.x.svg
index 02ca71857..f9b6b122d 100644
--- a/results/bar-graph-10.x.svg
+++ b/results/bar-graph-10.x.svg
@@ -1,132 +1,126 @@
-<svg class="marks" width="987" height="812" xmlns="http://www.w3.org/2000/svg">
-    <path fill="#fff" d="M0 0h987v812H0z"/>
+<svg class="marks" width="987" height="818" xmlns="http://www.w3.org/2000/svg">
+    <path fill="#fff" d="M0 0h987v818H0z"/>
     <g class="mark-group role-frame root">
-        <path class="background" d="M102.5 5.5h880v600h-880z" fill="none" stroke="#ddd"/>
+        <path class="background" d="M102.5 11.5h880v600h-880z" fill="none" stroke="#ddd"/>
         <g class="mark-group role-axis">
-            <path class="background" d="M102.5 5.5z" pointer-events="none" fill="none"/>
+            <path class="background" d="M102.5 11.5z" pointer-events="none" fill="none"/>
             <g class="mark-rule role-axis-grid" pointer-events="none" fill="none" stroke="#ddd">
-                <path d="M102.5 605.5h880M102.5 571.5h880M102.5 536.5h880M102.5 502.5h880M102.5 468.5h880M102.5 434.5h880M102.5 399.5h880M102.5 365.5h880M102.5 331.5h880M102.5 296.5h880M102.5 262.5h880M102.5 228.5h880M102.5 194.5h880M102.5 159.5h880M102.5 125.5h880M102.5 91.5h880M102.5 56.5h880M102.5 22.5h880"/>
+                <path d="M102.5 611.5h880M102.5 571.5h880M102.5 531.5h880M102.5 491.5h880M102.5 451.5h880M102.5 411.5h880M102.5 371.5h880M102.5 331.5h880M102.5 291.5h880M102.5 251.5h880M102.5 211.5h880M102.5 171.5h880M102.5 131.5h880M102.5 91.5h880M102.5 51.5h880M102.5 11.5h880"/>
             </g>
         </g>
         <g class="mark-group role-axis">
-            <path class="background" d="M102.5 605.5z" pointer-events="none" fill="none"/>
+            <path class="background" d="M102.5 611.5z" pointer-events="none" fill="none"/>
             <g class="mark-rule role-axis-tick" pointer-events="none" fill="none" stroke="#888">
-                <path d="M135.5 605.5v5M203.5 605.5v5M271.5 605.5v5M338.5 605.5v5M406.5 605.5v5M474.5 605.5v5M542.5 605.5v5M609.5 605.5v5M677.5 605.5v5M745.5 605.5v5M812.5 605.5v5M880.5 605.5v5M948.5 605.5v5"/>
+                <path d="M135.5 611.5v5M203.5 611.5v5M271.5 611.5v5M338.5 611.5v5M406.5 611.5v5M474.5 611.5v5M542.5 611.5v5M609.5 611.5v5M677.5 611.5v5M745.5 611.5v5M812.5 611.5v5M880.5 611.5v5M948.5 611.5v5"/>
             </g>
             <g class="mark-text role-axis-label" pointer-events="none" font-family="sans-serif" font-size="14">
-                <text transform="rotate(90 -240.327 372.173)">
+                <text transform="rotate(90 -243.327 375.173)">
                     class-transformer-valid…
                 </text>
-                <text transform="rotate(90 -206.48 406.02)">
+                <text transform="rotate(90 -209.48 409.02)">
                     class-transformer-valid…
                 </text>
-                <text transform="rotate(90 -172.635 439.865)">
+                <text transform="rotate(90 -175.635 442.865)">
                     funval
                 </text>
-                <text transform="rotate(90 -138.788 473.712)">
+                <text transform="rotate(90 -141.788 476.712)">
                     io-ts
                 </text>
-                <text transform="rotate(90 -104.942 507.558)">
+                <text transform="rotate(90 -107.942 510.558)">
                     json-decoder
                 </text>
-                <text transform="rotate(90 -71.096 541.404)">
+                <text transform="rotate(90 -74.096 544.404)">
                     marshal
                 </text>
-                <text transform="rotate(90 -37.25 575.25)">
+                <text transform="rotate(90 -40.25 578.25)">
                     myzod
                 </text>
-                <text transform="rotate(90 -3.404 609.096)">
+                <text transform="rotate(90 -6.404 612.096)">
                     purify-ts
                 </text>
-                <text transform="rotate(90 30.442 642.942)">
+                <text transform="rotate(90 27.442 645.942)">
                     runtypes
                 </text>
-                <text transform="rotate(90 64.288 676.788)">
+                <text transform="rotate(90 61.288 679.788)">
                     toi
                 </text>
-                <text transform="rotate(90 98.135 710.635)">
+                <text transform="rotate(90 95.135 713.635)">
                     ts-json-validator
                 </text>
-                <text transform="rotate(90 131.98 744.48)">
+                <text transform="rotate(90 128.98 747.48)">
                     ts-utils
                 </text>
-                <text transform="rotate(90 165.827 778.327)">
+                <text transform="rotate(90 162.827 781.327)">
                     zod
                 </text>
             </g>
-            <path fill="none" stroke="#888" d="M102.5 605.5h880" pointer-events="none"/>
-            <text text-anchor="middle" transform="translate(542.5 804.5)" font-family="sans-serif" font-size="14" font-weight="400" pointer-events="none">
+            <path fill="none" stroke="#888" d="M102.5 611.5h880" pointer-events="none"/>
+            <text text-anchor="middle" transform="translate(542.5 810.5)" font-family="sans-serif" font-size="14" font-weight="400" pointer-events="none">
                 module
             </text>
         </g>
         <g class="mark-group role-axis">
-            <path class="background" d="M102.5 5.5z" pointer-events="none" fill="none"/>
+            <path class="background" d="M102.5 11.5z" pointer-events="none" fill="none"/>
             <g class="mark-rule role-axis-tick" pointer-events="none" fill="none" stroke="#888">
-                <path d="M102.5 605.5h-5M102.5 571.5h-5M102.5 536.5h-5M102.5 502.5h-5M102.5 468.5h-5M102.5 434.5h-5M102.5 399.5h-5M102.5 365.5h-5M102.5 331.5h-5M102.5 296.5h-5M102.5 262.5h-5M102.5 228.5h-5M102.5 194.5h-5M102.5 159.5h-5M102.5 125.5h-5M102.5 91.5h-5M102.5 56.5h-5M102.5 22.5h-5"/>
+                <path d="M102.5 611.5h-5M102.5 571.5h-5M102.5 531.5h-5M102.5 491.5h-5M102.5 451.5h-5M102.5 411.5h-5M102.5 371.5h-5M102.5 331.5h-5M102.5 291.5h-5M102.5 251.5h-5M102.5 211.5h-5M102.5 171.5h-5M102.5 131.5h-5M102.5 91.5h-5M102.5 51.5h-5M102.5 11.5h-5"/>
             </g>
             <g class="mark-text role-axis-label" pointer-events="none" text-anchor="end" font-family="sans-serif" font-size="12">
-                <text transform="translate(95.5 609.5)">
+                <text transform="translate(95.5 615.5)">
                     0
                 </text>
-                <text transform="translate(95.5 575.214)">
+                <text transform="translate(95.5 575.5)">
                     2,000,000
                 </text>
-                <text transform="translate(95.5 540.929)">
+                <text transform="translate(95.5 535.5)">
                     4,000,000
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-                <text transform="translate(95.5 506.643)">
+                <text transform="translate(95.5 495.5)">
                     6,000,000
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-                <text transform="translate(95.5 472.357)">
+                <text transform="translate(95.5 455.5)">
                     8,000,000
                 </text>
-                <text transform="translate(95.5 438.071)">
+                <text transform="translate(95.5 415.5)">
                     10,000,000
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-                <text transform="translate(95.5 403.786)">
+                <text transform="translate(95.5 375.5)">
                     12,000,000
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-                <text transform="translate(95.5 369.5)">
+                <text transform="translate(95.5 335.5)">
                     14,000,000
                 </text>
-                <text transform="translate(95.5 335.214)">
+                <text transform="translate(95.5 295.5)">
                     16,000,000
                 </text>
-                <text transform="translate(95.5 300.929)">
+                <text transform="translate(95.5 255.5)">
                     18,000,000
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-                <text transform="translate(95.5 266.643)">
+                <text transform="translate(95.5 215.5)">
                     20,000,000
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-                <text transform="translate(95.5 232.357)">
+                <text transform="translate(95.5 175.5)">
                     22,000,000
                 </text>
-                <text transform="translate(95.5 198.071)">
+                <text transform="translate(95.5 135.5)">
                     24,000,000
                 </text>
-                <text transform="translate(95.5 163.786)">
+                <text transform="translate(95.5 95.5)">
                     26,000,000
                 </text>
-                <text transform="translate(95.5 129.5)">
+                <text transform="translate(95.5 55.5)">
                     28,000,000
                 </text>
-                <text transform="translate(95.5 95.214)">
+                <text transform="translate(95.5 15.5)">
                     30,000,000
                 </text>
-                <text transform="translate(95.5 60.929)">
-                    32,000,000
-                </text>
-                <text transform="translate(95.5 26.643)">
-                    34,000,000
-                </text>
             </g>
-            <path fill="none" stroke="#888" d="M102.5 605.5V5.5" pointer-events="none"/>
-            <text text-anchor="middle" transform="rotate(-90 161 144.5)" font-family="sans-serif" font-size="14" font-weight="400" pointer-events="none">
+            <path fill="none" stroke="#888" d="M102.5 611.5v-600" pointer-events="none"/>
+            <text text-anchor="middle" transform="rotate(-90 164 147.5)" font-family="sans-serif" font-size="14" font-weight="400" pointer-events="none">
                 operations / sec
             </text>
         </g>
         <g class="mark-rect role-mark marks" fill="#4c78a8">
-            <path d="M105.385 604.428h60.923V605h-60.923zM173.077 604.283H234V605h-60.923zM240.77 591.974h60.922V605H240.77zM308.462 568.304h60.923V605h-60.923zM376.154 594.021h60.923V605h-60.923zM443.846 542.53h60.923V605h-60.923zM511.538 601.424h60.924V605h-60.924zM579.23 593.694h60.924V605H579.23zM646.923 593.552h60.923V605h-60.923zM714.615 598.04h60.923V605h-60.923zM782.308 85.212h60.923V605h-60.923zM850 602.678h60.923V605H850zM917.692 603.846h60.923V605h-60.923z"/>
+            <path d="M105.385 610.405h60.923V611h-60.923zM173.077 610.294H234V611h-60.923zM240.77 598.06h60.922V611H240.77zM308.462 571.658h60.923V611h-60.923zM376.154 597.762h60.923V611h-60.923zM443.846 214.038h60.923V611h-60.923zM511.538 606.907h60.924V611h-60.924zM579.23 597.248h60.924V611H579.23zM646.923 597.446h60.923V611h-60.923zM714.615 602.87h60.923V611h-60.923zM782.308 34.48h60.923V611h-60.923zM850 608.54h60.923V611H850zM917.692 609.825h60.923V611h-60.923z"/>
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 </svg>
diff --git a/results/bar-graph-12.x.svg b/results/bar-graph-12.x.svg
index 1d6e44da5..96d7ad2b5 100644
--- a/results/bar-graph-12.x.svg
+++ b/results/bar-graph-12.x.svg
@@ -126,7 +126,7 @@
             </text>
         </g>
         <g class="mark-rect role-mark marks" fill="#4c78a8">
-            <path d="M105.385 604.466h60.923V605h-60.923zM173.077 604.291H234V605h-60.923zM240.77 591.734h60.922V605H240.77zM308.462 558.444h60.923V605h-60.923zM376.154 593.366h60.923V605h-60.923zM443.846 538.984h60.923V605h-60.923zM511.538 595.925h60.924V605h-60.924zM579.23 593.145h60.924V605H579.23zM646.923 596.575h60.923V605h-60.923zM714.615 598.07h60.923V605h-60.923zM782.308 21.515h60.923V605h-60.923zM850 603.015h60.923V605H850zM917.692 604.11h60.923v.89h-60.923z"/>
+            <path d="M105.385 604.5h60.923v.5h-60.923zM173.077 604.32H234v.68h-60.923zM240.77 592.07h60.922V605H240.77zM308.462 560.156h60.923V605h-60.923zM376.154 593.546h60.923V605h-60.923zM443.846 277.9h60.923V605h-60.923zM511.538 596.37h60.924V605h-60.924zM579.23 593.228h60.924V605H579.23zM646.923 593.285h60.923V605h-60.923zM714.615 597.984h60.923V605h-60.923zM782.308 16.542h60.923V605h-60.923zM850 603.253h60.923V605H850zM917.692 604.109h60.923V605h-60.923z"/>
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diff --git a/results/benchmarks-10.x.csv b/results/benchmarks-10.x.csv
index b1c188272..385ef6a3d 100644
--- a/results/benchmarks-10.x.csv
+++ b/results/benchmarks-10.x.csv
@@ -1,14 +1,14 @@
 name,ops
-class-transformer-validator-async,33391
-class-transformer-validator-sync,41807
-funval,759838
-io-ts,2140619
-json-decoder,640443
-marshal,3644059
-myzod,208622
-purify-ts,659513
-runtypes,667801
-toi,406045
-ts-json-validator,30320984
-ts-utils,135462
-zod,67298
+class-transformer-validator-async,29741
+class-transformer-validator-sync,35315
+funval,646985
+io-ts,1967082
+json-decoder,661895
+marshal,19848101
+myzod,204666
+purify-ts,687608
+runtypes,677697
+toi,406541
+ts-json-validator,28826031
+ts-utils,122970
+zod,58749
diff --git a/results/benchmarks-10.x.json b/results/benchmarks-10.x.json
index 71e7f349a..1384ccc1e 100644
--- a/results/benchmarks-10.x.json
+++ b/results/benchmarks-10.x.json
@@ -1,85 +1,85 @@
 {
   "name": "typescript-runtime-type-benchmarks",
-  "date": "2020-03-31T15:58:10.043Z",
+  "date": "2020-03-31T17:41:47.723Z",
   "version": "1.0.0",
   "results": [
     {
       "name": "class-transformer-validator-async",
-      "ops": 33391,
-      "margin": 1.96,
-      "percentSlower": 99.89
+      "ops": 29741,
+      "margin": 1.07,
+      "percentSlower": 99.9
     },
     {
       "name": "class-transformer-validator-sync",
-      "ops": 41807,
-      "margin": 1.35,
-      "percentSlower": 99.86
+      "ops": 35315,
+      "margin": 1.82,
+      "percentSlower": 99.88
     },
     {
       "name": "funval",
-      "ops": 759838,
-      "margin": 1.03,
-      "percentSlower": 97.49
+      "ops": 646985,
+      "margin": 1.46,
+      "percentSlower": 97.76
     },
     {
       "name": "io-ts",
-      "ops": 2140619,
-      "margin": 1.07,
-      "percentSlower": 92.94
+      "ops": 1967082,
+      "margin": 1.2,
+      "percentSlower": 93.18
     },
     {
       "name": "json-decoder",
-      "ops": 640443,
-      "margin": 3.74,
-      "percentSlower": 97.89
+      "ops": 661895,
+      "margin": 3.37,
+      "percentSlower": 97.7
     },
     {
       "name": "marshal",
-      "ops": 3644059,
-      "margin": 0.9,
-      "percentSlower": 87.98
+      "ops": 19848101,
+      "margin": 1.1,
+      "percentSlower": 31.15
     },
     {
       "name": "myzod",
-      "ops": 208622,
-      "margin": 2.56,
-      "percentSlower": 99.31
+      "ops": 204666,
+      "margin": 1.41,
+      "percentSlower": 99.29
     },
     {
       "name": "purify-ts",
-      "ops": 659513,
-      "margin": 1.01,
-      "percentSlower": 97.82
+      "ops": 687608,
+      "margin": 5.32,
+      "percentSlower": 97.61
     },
     {
       "name": "runtypes",
-      "ops": 667801,
-      "margin": 0.55,
-      "percentSlower": 97.8
+      "ops": 677697,
+      "margin": 1.05,
+      "percentSlower": 97.65
     },
     {
       "name": "toi",
-      "ops": 406045,
-      "margin": 2.98,
-      "percentSlower": 98.66
+      "ops": 406541,
+      "margin": 0.72,
+      "percentSlower": 98.59
     },
     {
       "name": "ts-json-validator",
-      "ops": 30320984,
-      "margin": 1.03,
+      "ops": 28826031,
+      "margin": 0.76,
       "percentSlower": 0
     },
     {
       "name": "ts-utils",
-      "ops": 135462,
-      "margin": 9.13,
-      "percentSlower": 99.55
+      "ops": 122970,
+      "margin": 3.24,
+      "percentSlower": 99.57
     },
     {
       "name": "zod",
-      "ops": 67298,
-      "margin": 2.82,
-      "percentSlower": 99.78
+      "ops": 58749,
+      "margin": 1.5,
+      "percentSlower": 99.8
     }
   ],
   "fastest": {
diff --git a/results/benchmarks-12.x.csv b/results/benchmarks-12.x.csv
index 387ad44c4..7976cc2e3 100644
--- a/results/benchmarks-12.x.csv
+++ b/results/benchmarks-12.x.csv
@@ -1,14 +1,14 @@
 name,ops
-class-transformer-validator-async,31179
-class-transformer-validator-sync,41350
-funval,773821
-io-ts,2715768
-json-decoder,678675
-marshal,3850958
-myzod,529370
-purify-ts,691559
-runtypes,491434
-toi,404215
-ts-json-validator,34036641
-ts-utils,115788
-zod,51952
+class-transformer-validator-async,29168
+class-transformer-validator-sync,39687
+funval,754198
+io-ts,2615888
+json-decoder,668138
+marshal,19080848
+myzod,503374
+purify-ts,686688
+runtypes,683354
+toi,409293
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+zod,52002
diff --git a/results/benchmarks-12.x.json b/results/benchmarks-12.x.json
index 5ee08e42e..d35687afd 100644
--- a/results/benchmarks-12.x.json
+++ b/results/benchmarks-12.x.json
@@ -1,84 +1,84 @@
 {
   "name": "typescript-runtime-type-benchmarks",
-  "date": "2020-03-31T16:00:35.496Z",
+  "date": "2020-03-31T17:44:17.027Z",
   "version": "1.0.0",
   "results": [
     {
       "name": "class-transformer-validator-async",
-      "ops": 31179,
-      "margin": 16.02,
-      "percentSlower": 99.91
+      "ops": 29168,
+      "margin": 17.89,
+      "percentSlower": 99.92
     },
     {
       "name": "class-transformer-validator-sync",
-      "ops": 41350,
-      "margin": 1.05,
+      "ops": 39687,
+      "margin": 1.3,
       "percentSlower": 99.88
     },
     {
       "name": "funval",
-      "ops": 773821,
-      "margin": 1.26,
-      "percentSlower": 97.73
+      "ops": 754198,
+      "margin": 0.98,
+      "percentSlower": 97.8
     },
     {
       "name": "io-ts",
-      "ops": 2715768,
-      "margin": 0.6,
-      "percentSlower": 92.02
+      "ops": 2615888,
+      "margin": 2.59,
+      "percentSlower": 92.38
     },
     {
       "name": "json-decoder",
-      "ops": 678675,
-      "margin": 0.71,
-      "percentSlower": 98.01
+      "ops": 668138,
+      "margin": 0.98,
+      "percentSlower": 98.05
     },
     {
       "name": "marshal",
-      "ops": 3850958,
-      "margin": 0.9,
-      "percentSlower": 88.69
+      "ops": 19080848,
+      "margin": 0.91,
+      "percentSlower": 44.41
     },
     {
       "name": "myzod",
-      "ops": 529370,
-      "margin": 3.54,
-      "percentSlower": 98.44
+      "ops": 503374,
+      "margin": 3.18,
+      "percentSlower": 98.53
     },
     {
       "name": "purify-ts",
-      "ops": 691559,
-      "margin": 0.86,
-      "percentSlower": 97.97
+      "ops": 686688,
+      "margin": 0.97,
+      "percentSlower": 98
     },
     {
       "name": "runtypes",
-      "ops": 491434,
-      "margin": 0.82,
-      "percentSlower": 98.56
+      "ops": 683354,
+      "margin": 0.64,
+      "percentSlower": 98.01
     },
     {
       "name": "toi",
-      "ops": 404215,
-      "margin": 3.75,
+      "ops": 409293,
+      "margin": 0.87,
       "percentSlower": 98.81
     },
     {
       "name": "ts-json-validator",
-      "ops": 34036641,
-      "margin": 0.57,
+      "ops": 34326708,
+      "margin": 0.58,
       "percentSlower": 0
     },
     {
       "name": "ts-utils",
-      "ops": 115788,
-      "margin": 1.22,
-      "percentSlower": 99.66
+      "ops": 101928,
+      "margin": 22.46,
+      "percentSlower": 99.7
     },
     {
       "name": "zod",
-      "ops": 51952,
-      "margin": 1.89,
+      "ops": 52002,
+      "margin": 2.52,
       "percentSlower": 99.85
     }
   ],
diff --git a/test/__snapshots__/abstract.test.ts.snap b/test/__snapshots__/abstract.test.ts.snap
index 5439e212b..0a628a3ac 100644
--- a/test/__snapshots__/abstract.test.ts.snap
+++ b/test/__snapshots__/abstract.test.ts.snap
@@ -202,41 +202,11 @@ exports[`Case Class: json-decoder should fail validation when prop is missing 1`
 
 exports[`Case Class: json-decoder should fail validation when type is wrong 1`] = `[Error: boolean: expected boolean, got string]`;
 
-exports[`Case Class: marshal should fail validation when deeply nested type is wrong 1`] = `
-ValidationFailed {
-  "errors": Array [
-    ValidationError {
-      "code": "invalid_boolean",
-      "message": "No Boolean given",
-      "path": "deeplyNested.bool",
-    },
-  ],
-}
-`;
+exports[`Case Class: marshal should fail validation when deeply nested type is wrong 1`] = `[Error: Invalid]`;
 
-exports[`Case Class: marshal should fail validation when prop is missing 1`] = `
-ValidationFailed {
-  "errors": Array [
-    ValidationError {
-      "code": "required",
-      "message": "Required value is undefined or null",
-      "path": "boolean",
-    },
-  ],
-}
-`;
+exports[`Case Class: marshal should fail validation when prop is missing 1`] = `[Error: Invalid]`;
 
-exports[`Case Class: marshal should fail validation when type is wrong 1`] = `
-ValidationFailed {
-  "errors": Array [
-    ValidationError {
-      "code": "invalid_boolean",
-      "message": "No Boolean given",
-      "path": "boolean",
-    },
-  ],
-}
-`;
+exports[`Case Class: marshal should fail validation when type is wrong 1`] = `[Error: Invalid]`;
 
 exports[`Case Class: myzod should fail validation when deeply nested type is wrong 1`] = `[MyZodError: error parsing object at path: "deeplyNested.bool" - expected type to be boolean but got string]`;