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No imports and no mutable global exports were observed; the raw target_features declaration is retained and treated as a conservative declaration-only difference." } }, "clang_wasm_baseline": { "compiler": "clang", "profile": "baseline", "target": "wasm32", "selectedFeatures": [ "MVP", "MULTI_VALUE", "BULK_MEMORY" ], "requiredFeatures": [ "bulk-memory", "bulk-memory-opt", "multivalue" ], "disallowedFeatures": [], "featureEvidence": "required/disallowed target_features custom section parsed from the final Wasm binary", "featureComparison": { "status": "conservative_declaration_difference", "eligibleForMatchedCapabilityComparison": true, "exactDeclarationMatch": false, "declarationDifferences": [ "bulk-memory-opt" ], "unclassifiedFeatures": [], "featuresOutsideSelectedProfile": [], "missingRequiredFeatures": [], "featureMappings": { "bulk-memory": "BULK_MEMORY", "bulk-memory-opt": "BULK_MEMORY subfeature (bulk-memory optimization operations)", "multivalue": "MULTI_VALUE" }, "mutableGlobalsUseStatus": "not_declared", "runtimeEvidenceRequired": false, "mutableGlobalImportNames": [], "mutableGlobalExportNames": [] }, "sourceSha256": "7978cab41d9a17ea8239e28e772969e9ddb1749e9ad60a4db663ac42c029ff10", "artifactSha256": "054d2b78690c4301c074c189ffc8af9f76252c84e02a59811737904f3700f072", "artifactByteLength": 4683, "coldCosts": { "moduleCompilation": { "compileNs": 195708, "cacheMissWorkload": "fused_arithmetic", "artifactByteLength": 4683, "cacheHitWorkloads": [ "sum", "dot_product", "image_stencil", "matmul", "normalization", "polynomial", "monte_carlo", "piecewise", "memory_transform", "dijkstra" ] }, "perWorkloadInitialization": { "fused_arithmetic": { "instantiateNs": 48875, "firstCallNs": 474500, "firstCallOutputSha256": "05c18a52990fcccc1f2ccbb6c3feac3f6c65cef4b33969c7004612505a2ca17b", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "sum": { "instantiateNs": 58417, "firstCallNs": 397541, "firstCallOutputSha256": "5fa0041898901b64d94a4d542be830fdcc0f8d029abbd8153f4798ba1350e25d", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "dot_product": { "instantiateNs": 86916, "firstCallNs": 362959, "firstCallOutputSha256": "33920c3f4a69df46da6ba37fdb61797e0fe88842f969ed4c8b803bf653c28c94", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "image_stencil": { "instantiateNs": 60666, "firstCallNs": 2911292, "firstCallOutputSha256": "0b57eb2e9bf6823a3b7f1379844db2783c983419ffa62f54dea41a07a58a2e3a", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "matmul": { "instantiateNs": 64625, "firstCallNs": 13376334, "firstCallOutputSha256": "a3421701d7b395aa50065bb0e66438c9392d52464b9be11fafdfe8d1599e32d3", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "normalization": { "instantiateNs": 53709, "firstCallNs": 1338208, "firstCallOutputSha256": "ef4a7ffaf6da55e9c141b75b781f0d459646d54e1cb908f401b352875bc672af", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "polynomial": { "instantiateNs": 52833, "firstCallNs": 577167, "firstCallOutputSha256": "d3eadb700913e4ec8c1b7565361799558658c95f8c2721399ef564bca4b20cb6", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "monte_carlo": { "instantiateNs": 50833, "firstCallNs": 2036958, "firstCallOutputSha256": "3564f22770fac87ca0407378a45608c985b4eeb29d8ba5fe54a3c40de7d3d1b4", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "piecewise": { "instantiateNs": 49125, "firstCallNs": 2116875, "firstCallOutputSha256": "4fcbf0342ac867060f905df063147a229c70a2dda21cd2bb814f4bb36bb2aad8", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "memory_transform": { "instantiateNs": 686209, "firstCallNs": 7772792, "firstCallOutputSha256": "56ce782bc36ba027244f578ec864682ff429f1a52b92631979a2382f35376ebf", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "dijkstra": { "instantiateNs": 64458, "firstCallNs": 5974709, "firstCallOutputSha256": "f3b34e388796d4bee479c7d9e040f509fda4b21a50fc33d74d63e85a8cce5375", "firstCallInputImmutable": true, "firstCallGuardOk": true } }, "boundary": "Wasm module compile is measured once per profile worker; each workload records a fresh instance and its first call. These cold costs are separate from, and excluded from, all hot-kernel samples." }, "runtimeEvidence": { "imports": [], "globalImports": [], "exports": [ { "name": "memory", "kind": "memory" }, { "name": "ck_bench_fused_arithmetic", "kind": "function" }, { "name": "ck_bench_sum", "kind": "function" }, { "name": "ck_bench_dot_product", "kind": "function" }, { "name": "ck_bench_image_stencil", "kind": "function" }, { "name": "ck_bench_matmul", "kind": "function" }, { "name": "ck_bench_normalization", "kind": "function" }, { "name": "ck_bench_polynomial", "kind": "function" }, { "name": "ck_bench_monte_carlo", "kind": "function" }, { "name": "ck_bench_piecewise", "kind": "function" }, { "name": "ck_bench_memory_transform", "kind": "function" }, { "name": "ck_bench_dijkstra", "kind": "function" }, { "name": "__heap_base", "kind": "global" } ], "globalExports": [ { "name": "__heap_base", "mutable": false } ], "declaresMutableGlobals": false, "exportedMutableGlobalNames": [], "mutableGlobalsNote": "Node inspected final-module imports and tested mutability for every exported global. No imports and no mutable global exports were observed; the raw target_features declaration is retained and treated as a conservative declaration-only difference." } }, "rust_wasm_baseline": { "compiler": "rustc", "profile": "baseline", "target": "wasm32", "selectedFeatures": [ "MVP", "MULTI_VALUE", "BULK_MEMORY" ], "requiredFeatures": [ "bulk-memory", "bulk-memory-opt", "multivalue", "mutable-globals" ], "disallowedFeatures": [], "featureEvidence": "required/disallowed target_features custom section parsed from the final Wasm binary", "featureComparison": { "status": "declaration_only_no_use_observed", "eligibleForMatchedCapabilityComparison": true, "exactDeclarationMatch": false, "declarationDifferences": [ "bulk-memory-opt", "mutable-globals" ], "unclassifiedFeatures": [], "featuresOutsideSelectedProfile": [], "missingRequiredFeatures": [], "featureMappings": { "bulk-memory": "BULK_MEMORY", "bulk-memory-opt": "BULK_MEMORY subfeature (bulk-memory optimization operations)", "multivalue": "MULTI_VALUE", "mutable-globals": "standalone Import/Export of Mutable Globals proposal (not MVP)" }, "mutableGlobalsUseStatus": "declaration_only_no_use_observed", "runtimeEvidenceRequired": false, "mutableGlobalImportNames": [], "mutableGlobalExportNames": [] }, "sourceSha256": "7231c4cf24a611b959b30af6782454e63d7142d9f82607ffc02ee4d00841ece0", "artifactSha256": "56cef3eb27397c28d658e8bfcf283098e954dd95ea3569d2e4005c446d7910b1", "artifactByteLength": 592509, "coldCosts": { "moduleCompilation": { "compileNs": 218167, "cacheMissWorkload": "fused_arithmetic", "artifactByteLength": 592509, "cacheHitWorkloads": [ "sum", "dot_product", "image_stencil", "matmul", "normalization", "polynomial", "monte_carlo", "piecewise", "memory_transform", "dijkstra" ] }, "perWorkloadInitialization": { "fused_arithmetic": { "instantiateNs": 50833, "firstCallNs": 482292, "firstCallOutputSha256": "05c18a52990fcccc1f2ccbb6c3feac3f6c65cef4b33969c7004612505a2ca17b", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "sum": { "instantiateNs": 70791, "firstCallNs": 321541, "firstCallOutputSha256": "5fa0041898901b64d94a4d542be830fdcc0f8d029abbd8153f4798ba1350e25d", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "dot_product": { "instantiateNs": 59708, "firstCallNs": 339000, "firstCallOutputSha256": "33920c3f4a69df46da6ba37fdb61797e0fe88842f969ed4c8b803bf653c28c94", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "image_stencil": { "instantiateNs": 61291, "firstCallNs": 3921375, "firstCallOutputSha256": "0b57eb2e9bf6823a3b7f1379844db2783c983419ffa62f54dea41a07a58a2e3a", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "matmul": { "instantiateNs": 63167, "firstCallNs": 30574459, "firstCallOutputSha256": "a3421701d7b395aa50065bb0e66438c9392d52464b9be11fafdfe8d1599e32d3", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "normalization": { "instantiateNs": 57250, "firstCallNs": 1345167, "firstCallOutputSha256": "ef4a7ffaf6da55e9c141b75b781f0d459646d54e1cb908f401b352875bc672af", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "polynomial": { "instantiateNs": 61709, "firstCallNs": 553792, "firstCallOutputSha256": "d3eadb700913e4ec8c1b7565361799558658c95f8c2721399ef564bca4b20cb6", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "monte_carlo": { "instantiateNs": 89208, "firstCallNs": 1847750, "firstCallOutputSha256": "3564f22770fac87ca0407378a45608c985b4eeb29d8ba5fe54a3c40de7d3d1b4", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "piecewise": { "instantiateNs": 79292, "firstCallNs": 2175792, "firstCallOutputSha256": "4fcbf0342ac867060f905df063147a229c70a2dda21cd2bb814f4bb36bb2aad8", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "memory_transform": { "instantiateNs": 692084, "firstCallNs": 7978584, "firstCallOutputSha256": "56ce782bc36ba027244f578ec864682ff429f1a52b92631979a2382f35376ebf", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "dijkstra": { "instantiateNs": 73208, "firstCallNs": 4457542, "firstCallOutputSha256": "f3b34e388796d4bee479c7d9e040f509fda4b21a50fc33d74d63e85a8cce5375", "firstCallInputImmutable": true, "firstCallGuardOk": true } }, "boundary": "Wasm module compile is measured once per profile worker; each workload records a fresh instance and its first call. These cold costs are separate from, and excluded from, all hot-kernel samples." }, "runtimeEvidence": { "imports": [], "globalImports": [], "exports": [ { "name": "memory", "kind": "memory" }, { "name": "ck_bench_fused_arithmetic", "kind": "function" }, { "name": "ck_bench_sum", "kind": "function" }, { "name": "ck_bench_dot_product", "kind": "function" }, { "name": "ck_bench_image_stencil", "kind": "function" }, { "name": "ck_bench_matmul", "kind": "function" }, { "name": "ck_bench_normalization", "kind": "function" }, { "name": "ck_bench_polynomial", "kind": "function" }, { "name": "ck_bench_monte_carlo", "kind": "function" }, { "name": "ck_bench_piecewise", "kind": "function" }, { "name": "ck_bench_memory_transform", "kind": "function" }, { "name": "ck_bench_dijkstra", "kind": "function" }, { "name": "__data_end", "kind": "global" }, { "name": "__heap_base", "kind": "global" } ], "globalExports": [ { "name": "__data_end", "mutable": false }, { "name": "__heap_base", "mutable": false } ], "declaresMutableGlobals": true, "exportedMutableGlobalNames": [], "mutableGlobalsNote": "Node inspected final-module imports and tested mutability for every exported global. No imports and no mutable global exports were observed; the raw target_features declaration is retained and treated as a conservative declaration-only difference." } }, "ck_wasm_simd128": { "compiler": "ckc", "profile": "simd128", "target": "wasm32", "sourceSha256": "1893ea6de500c9987b9f08234413f36fc3f4e35e5068bafe44c3b49005e89810", "selectedFeatures": [ "MVP", "MULTI_VALUE", "BULK_MEMORY", "SIMD128" ], "requiredFeatures": null, "featureEvidence": "ck.wasm.target custom section emitted in the artifact; CK validates the binary against the profile allowlist", "featureComparison": { "status": "profile_declarations_match", "eligibleForMatchedCapabilityComparison": true, "exactDeclarationMatch": true, "declarationDifferences": [], "unclassifiedFeatures": [], "featuresOutsideSelectedProfile": [], "featureMappings": {} }, "profileSha256": "f2be1e83bb838f8434708d4f0bb331dea6c71e7e2445abb9f5e4daf909859b3c", "artifactSha256": "e4574b4b532531016c84944f7614053be0f4f673ccc363838ee4022e3e1d5e9e", "artifactByteLength": 34941, "coldCosts": { "moduleCompilation": { "compileNs": 162584, "cacheMissWorkload": "fused_arithmetic", "artifactByteLength": 34941, "cacheHitWorkloads": [ "sum", "dot_product", "image_stencil", "matmul", "normalization", "polynomial", "monte_carlo", "piecewise", "memory_transform", "dijkstra" ] }, "perWorkloadInitialization": { "fused_arithmetic": { "instantiateNs": 46667, "firstCallNs": 1105125, "firstCallOutputSha256": "05c18a52990fcccc1f2ccbb6c3feac3f6c65cef4b33969c7004612505a2ca17b", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "sum": { "instantiateNs": 55750, "firstCallNs": 1313208, "firstCallOutputSha256": "5fa0041898901b64d94a4d542be830fdcc0f8d029abbd8153f4798ba1350e25d", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "dot_product": { "instantiateNs": 71417, "firstCallNs": 1509208, "firstCallOutputSha256": "33920c3f4a69df46da6ba37fdb61797e0fe88842f969ed4c8b803bf653c28c94", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "image_stencil": { "instantiateNs": 55792, "firstCallNs": 7433708, "firstCallOutputSha256": "0b57eb2e9bf6823a3b7f1379844db2783c983419ffa62f54dea41a07a58a2e3a", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "matmul": { "instantiateNs": 53125, "firstCallNs": 20578125, "firstCallOutputSha256": "a3421701d7b395aa50065bb0e66438c9392d52464b9be11fafdfe8d1599e32d3", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "normalization": { "instantiateNs": 52417, "firstCallNs": 1883709, "firstCallOutputSha256": "ef4a7ffaf6da55e9c141b75b781f0d459646d54e1cb908f401b352875bc672af", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "polynomial": { "instantiateNs": 63500, "firstCallNs": 882000, "firstCallOutputSha256": "d3eadb700913e4ec8c1b7565361799558658c95f8c2721399ef564bca4b20cb6", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "monte_carlo": { "instantiateNs": 54708, "firstCallNs": 7397958, "firstCallOutputSha256": "3564f22770fac87ca0407378a45608c985b4eeb29d8ba5fe54a3c40de7d3d1b4", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "piecewise": { "instantiateNs": 54416, "firstCallNs": 862250, "firstCallOutputSha256": "4fcbf0342ac867060f905df063147a229c70a2dda21cd2bb814f4bb36bb2aad8", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "memory_transform": { "instantiateNs": 69375, "firstCallNs": 12157167, "firstCallOutputSha256": "56ce782bc36ba027244f578ec864682ff429f1a52b92631979a2382f35376ebf", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "dijkstra": { "instantiateNs": 56375, "firstCallNs": 27117417, "firstCallOutputSha256": "f3b34e388796d4bee479c7d9e040f509fda4b21a50fc33d74d63e85a8cce5375", "firstCallInputImmutable": true, "firstCallGuardOk": true } }, "boundary": "Wasm module compile is measured once per profile worker; each workload records a fresh instance and its first call. These cold costs are separate from, and excluded from, all hot-kernel samples." }, "runtimeEvidence": { "imports": [], "globalImports": [], "exports": [ { "name": "memory", "kind": "memory" }, { "name": "__ck_heap_base", "kind": "global" }, { "name": "ck_bench_fused_arithmetic", "kind": "function" }, { "name": "ck_bench_sum", "kind": "function" }, { "name": "ck_bench_dot_product", "kind": "function" }, { "name": "ck_bench_image_stencil", "kind": "function" }, { "name": "ck_bench_matmul", "kind": "function" }, { "name": "ck_bench_normalization", "kind": "function" }, { "name": "ck_bench_polynomial", "kind": "function" }, { "name": "ck_bench_monte_carlo", "kind": "function" }, { "name": "ck_bench_piecewise", "kind": "function" }, { "name": "ck_bench_memory_transform", "kind": "function" }, { "name": "ck_bench_dijkstra", "kind": "function" } ], "globalExports": [ { "name": "__ck_heap_base", "mutable": false } ], "declaresMutableGlobals": false, "exportedMutableGlobalNames": [], "mutableGlobalsNote": "Node inspected final-module imports and tested mutability for every exported global. No imports and no mutable global exports were observed; the raw target_features declaration is retained and treated as a conservative declaration-only difference." } }, "clang_wasm_simd128": { "compiler": "clang", "profile": "simd128", "target": "wasm32", "selectedFeatures": [ "MVP", "MULTI_VALUE", "BULK_MEMORY", "SIMD128" ], "requiredFeatures": [ "bulk-memory", "bulk-memory-opt", "multivalue", "simd128" ], "disallowedFeatures": [], "featureEvidence": "required/disallowed target_features custom section parsed from the final Wasm binary", "featureComparison": { "status": "conservative_declaration_difference", "eligibleForMatchedCapabilityComparison": true, "exactDeclarationMatch": false, "declarationDifferences": [ "bulk-memory-opt" ], "unclassifiedFeatures": [], "featuresOutsideSelectedProfile": [], "missingRequiredFeatures": [], "featureMappings": { "bulk-memory": "BULK_MEMORY", "bulk-memory-opt": "BULK_MEMORY subfeature (bulk-memory optimization operations)", "multivalue": "MULTI_VALUE", "simd128": "SIMD128" }, "mutableGlobalsUseStatus": "not_declared", "runtimeEvidenceRequired": false, "mutableGlobalImportNames": [], "mutableGlobalExportNames": [] }, "sourceSha256": "7978cab41d9a17ea8239e28e772969e9ddb1749e9ad60a4db663ac42c029ff10", "artifactSha256": "d9ebc9164a74dd7f96837f2782e5f92e28beeab8a1f783a2f34184236152d9bd", "artifactByteLength": 4821, "coldCosts": { "moduleCompilation": { "compileNs": 153750, "cacheMissWorkload": "fused_arithmetic", "artifactByteLength": 4821, "cacheHitWorkloads": [ "sum", "dot_product", "image_stencil", "matmul", "normalization", "polynomial", "monte_carlo", "piecewise", "memory_transform", "dijkstra" ] }, "perWorkloadInitialization": { "fused_arithmetic": { "instantiateNs": 43959, "firstCallNs": 479375, "firstCallOutputSha256": "05c18a52990fcccc1f2ccbb6c3feac3f6c65cef4b33969c7004612505a2ca17b", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "sum": { "instantiateNs": 52500, "firstCallNs": 807083, "firstCallOutputSha256": "5fa0041898901b64d94a4d542be830fdcc0f8d029abbd8153f4798ba1350e25d", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "dot_product": { "instantiateNs": 66625, "firstCallNs": 343417, "firstCallOutputSha256": "33920c3f4a69df46da6ba37fdb61797e0fe88842f969ed4c8b803bf653c28c94", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "image_stencil": { "instantiateNs": 59417, "firstCallNs": 2994000, "firstCallOutputSha256": "0b57eb2e9bf6823a3b7f1379844db2783c983419ffa62f54dea41a07a58a2e3a", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "matmul": { "instantiateNs": 59875, "firstCallNs": 8849667, "firstCallOutputSha256": "a3421701d7b395aa50065bb0e66438c9392d52464b9be11fafdfe8d1599e32d3", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "normalization": { "instantiateNs": 62292, "firstCallNs": 1392625, "firstCallOutputSha256": "ef4a7ffaf6da55e9c141b75b781f0d459646d54e1cb908f401b352875bc672af", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "polynomial": { "instantiateNs": 47417, "firstCallNs": 406750, "firstCallOutputSha256": "d3eadb700913e4ec8c1b7565361799558658c95f8c2721399ef564bca4b20cb6", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "monte_carlo": { "instantiateNs": 61875, "firstCallNs": 2017750, "firstCallOutputSha256": "3564f22770fac87ca0407378a45608c985b4eeb29d8ba5fe54a3c40de7d3d1b4", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "piecewise": { "instantiateNs": 53792, "firstCallNs": 2145583, "firstCallOutputSha256": "4fcbf0342ac867060f905df063147a229c70a2dda21cd2bb814f4bb36bb2aad8", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "memory_transform": { "instantiateNs": 56833, "firstCallNs": 10212958, "firstCallOutputSha256": "56ce782bc36ba027244f578ec864682ff429f1a52b92631979a2382f35376ebf", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "dijkstra": { "instantiateNs": 59083, "firstCallNs": 5594541, "firstCallOutputSha256": "f3b34e388796d4bee479c7d9e040f509fda4b21a50fc33d74d63e85a8cce5375", "firstCallInputImmutable": true, "firstCallGuardOk": true } }, "boundary": "Wasm module compile is measured once per profile worker; each workload records a fresh instance and its first call. These cold costs are separate from, and excluded from, all hot-kernel samples." }, "runtimeEvidence": { "imports": [], "globalImports": [], "exports": [ { "name": "memory", "kind": "memory" }, { "name": "ck_bench_fused_arithmetic", "kind": "function" }, { "name": "ck_bench_sum", "kind": "function" }, { "name": "ck_bench_dot_product", "kind": "function" }, { "name": "ck_bench_image_stencil", "kind": "function" }, { "name": "ck_bench_matmul", "kind": "function" }, { "name": "ck_bench_normalization", "kind": "function" }, { "name": "ck_bench_polynomial", "kind": "function" }, { "name": "ck_bench_monte_carlo", "kind": "function" }, { "name": "ck_bench_piecewise", "kind": "function" }, { "name": "ck_bench_memory_transform", "kind": "function" }, { "name": "ck_bench_dijkstra", "kind": "function" }, { "name": "__heap_base", "kind": "global" } ], "globalExports": [ { "name": "__heap_base", "mutable": false } ], "declaresMutableGlobals": false, "exportedMutableGlobalNames": [], "mutableGlobalsNote": "Node inspected final-module imports and tested mutability for every exported global. No imports and no mutable global exports were observed; the raw target_features declaration is retained and treated as a conservative declaration-only difference." } }, "rust_wasm_simd128": { "compiler": "rustc", "profile": "simd128", "target": "wasm32", "selectedFeatures": [ "MVP", "MULTI_VALUE", "BULK_MEMORY", "SIMD128" ], "requiredFeatures": [ "bulk-memory", "bulk-memory-opt", "multivalue", "mutable-globals", "simd128" ], "disallowedFeatures": [], "featureEvidence": "required/disallowed target_features custom section parsed from the final Wasm binary", "featureComparison": { "status": "declaration_only_no_use_observed", "eligibleForMatchedCapabilityComparison": true, "exactDeclarationMatch": false, "declarationDifferences": [ "bulk-memory-opt", "mutable-globals" ], "unclassifiedFeatures": [], "featuresOutsideSelectedProfile": [], "missingRequiredFeatures": [], "featureMappings": { "bulk-memory": "BULK_MEMORY", "bulk-memory-opt": "BULK_MEMORY subfeature (bulk-memory optimization operations)", "multivalue": "MULTI_VALUE", "mutable-globals": "standalone Import/Export of Mutable Globals proposal (not MVP)", "simd128": "SIMD128" }, "mutableGlobalsUseStatus": "declaration_only_no_use_observed", "runtimeEvidenceRequired": false, "mutableGlobalImportNames": [], "mutableGlobalExportNames": [] }, "sourceSha256": "7231c4cf24a611b959b30af6782454e63d7142d9f82607ffc02ee4d00841ece0", "artifactSha256": "5150e62e1a9c8fa513a572fdb786bc4f82e2769edf809299181025047816d68e", "artifactByteLength": 595342, "coldCosts": { "moduleCompilation": { "compileNs": 416084, "cacheMissWorkload": "fused_arithmetic", "artifactByteLength": 595342, "cacheHitWorkloads": [ "sum", "dot_product", "image_stencil", "matmul", "normalization", "polynomial", "monte_carlo", "piecewise", "memory_transform", "dijkstra" ] }, "perWorkloadInitialization": { "fused_arithmetic": { "instantiateNs": 56750, "firstCallNs": 444166, "firstCallOutputSha256": "05c18a52990fcccc1f2ccbb6c3feac3f6c65cef4b33969c7004612505a2ca17b", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "sum": { "instantiateNs": 67667, "firstCallNs": 599958, "firstCallOutputSha256": "5fa0041898901b64d94a4d542be830fdcc0f8d029abbd8153f4798ba1350e25d", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "dot_product": { "instantiateNs": 62250, "firstCallNs": 338708, "firstCallOutputSha256": "33920c3f4a69df46da6ba37fdb61797e0fe88842f969ed4c8b803bf653c28c94", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "image_stencil": { "instantiateNs": 219417, "firstCallNs": 2508125, "firstCallOutputSha256": "0b57eb2e9bf6823a3b7f1379844db2783c983419ffa62f54dea41a07a58a2e3a", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "matmul": { "instantiateNs": 60750, "firstCallNs": 9485000, "firstCallOutputSha256": "a3421701d7b395aa50065bb0e66438c9392d52464b9be11fafdfe8d1599e32d3", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "normalization": { "instantiateNs": 73292, "firstCallNs": 1400084, "firstCallOutputSha256": "ef4a7ffaf6da55e9c141b75b781f0d459646d54e1cb908f401b352875bc672af", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "polynomial": { "instantiateNs": 78292, "firstCallNs": 389375, "firstCallOutputSha256": "d3eadb700913e4ec8c1b7565361799558658c95f8c2721399ef564bca4b20cb6", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "monte_carlo": { "instantiateNs": 63208, "firstCallNs": 1791292, "firstCallOutputSha256": "3564f22770fac87ca0407378a45608c985b4eeb29d8ba5fe54a3c40de7d3d1b4", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "piecewise": { "instantiateNs": 58875, "firstCallNs": 426959, "firstCallOutputSha256": "4fcbf0342ac867060f905df063147a229c70a2dda21cd2bb814f4bb36bb2aad8", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "memory_transform": { "instantiateNs": 73291, "firstCallNs": 9599542, "firstCallOutputSha256": "56ce782bc36ba027244f578ec864682ff429f1a52b92631979a2382f35376ebf", "firstCallInputImmutable": true, "firstCallGuardOk": true }, "dijkstra": { "instantiateNs": 76333, "firstCallNs": 5712500, "firstCallOutputSha256": "f3b34e388796d4bee479c7d9e040f509fda4b21a50fc33d74d63e85a8cce5375", "firstCallInputImmutable": true, "firstCallGuardOk": true } }, "boundary": "Wasm module compile is measured once per profile worker; each workload records a fresh instance and its first call. These cold costs are separate from, and excluded from, all hot-kernel samples." }, "runtimeEvidence": { "imports": [], "globalImports": [], "exports": [ { "name": "memory", "kind": "memory" }, { "name": "ck_bench_fused_arithmetic", "kind": "function" }, { "name": "ck_bench_sum", "kind": "function" }, { "name": "ck_bench_dot_product", "kind": "function" }, { "name": "ck_bench_image_stencil", "kind": "function" }, { "name": "ck_bench_matmul", "kind": "function" }, { "name": "ck_bench_normalization", "kind": "function" }, { "name": "ck_bench_polynomial", "kind": "function" }, { "name": "ck_bench_monte_carlo", "kind": "function" }, { "name": "ck_bench_piecewise", "kind": "function" }, { "name": "ck_bench_memory_transform", "kind": "function" }, { "name": "ck_bench_dijkstra", "kind": "function" }, { "name": "__data_end", "kind": "global" }, { "name": "__heap_base", "kind": "global" } ], "globalExports": [ { "name": "__data_end", "mutable": false }, { "name": "__heap_base", "mutable": false } ], "declaresMutableGlobals": true, "exportedMutableGlobalNames": [], "mutableGlobalsNote": "Node inspected final-module imports and tested mutability for every exported global. No imports and no mutable global exports were observed; the raw target_features declaration is retained and treated as a conservative declaration-only difference." } } }, "rustFreestandingSource": { "generatedSourceSha256": "7231c4cf24a611b959b30af6782454e63d7142d9f82607ffc02ee4d00841ece0", "transformation": "The original Rust kernels are compiled unchanged after adding #![no_std] and a panic-to-unreachable handler; no standard-library or host runtime is linked." }, "roundOrder": [ { "caseKey": "fused_arithmetic", "round": 1, "order": [ "rust_wasm_simd128", "clang_wasm_baseline", "rust_wasm_baseline", "clang_wasm_simd128", "ck_wasm_simd128", "ck_wasm_baseline" ] }, { "caseKey": "fused_arithmetic", "round": 2, "order": [ "ck_wasm_simd128", "clang_wasm_baseline", "rust_wasm_baseline", "rust_wasm_simd128", "ck_wasm_baseline", "clang_wasm_simd128" ] }, { "caseKey": "fused_arithmetic", "round": 3, "order": [ "ck_wasm_simd128", "ck_wasm_baseline", "clang_wasm_simd128", "rust_wasm_simd128", "clang_wasm_baseline", "rust_wasm_baseline" ] }, { "caseKey": "fused_arithmetic", "round": 4, "order": [ "rust_wasm_baseline", "clang_wasm_simd128", "clang_wasm_baseline", "rust_wasm_simd128", "ck_wasm_simd128", "ck_wasm_baseline" ] }, { "caseKey": "fused_arithmetic", "round": 5, "order": [ "rust_wasm_simd128", "clang_wasm_baseline", "ck_wasm_simd128", "rust_wasm_baseline", "ck_wasm_baseline", "clang_wasm_simd128" ] }, { "caseKey": "fused_arithmetic", "round": 6, "order": [ "clang_wasm_simd128", "rust_wasm_baseline", "rust_wasm_simd128", "ck_wasm_simd128", "ck_wasm_baseline", "clang_wasm_baseline" ] }, { "caseKey": "fused_arithmetic", "round": 7, "order": [ "ck_wasm_baseline", "ck_wasm_simd128", "rust_wasm_simd128", "clang_wasm_simd128", "rust_wasm_baseline", "clang_wasm_baseline" ] }, { "caseKey": "sum", "round": 1, "order": [ "rust_wasm_baseline", "ck_wasm_simd128", "rust_wasm_simd128", "clang_wasm_simd128", "clang_wasm_baseline", "ck_wasm_baseline" ] }, { "caseKey": "sum", "round": 2, "order": [ "clang_wasm_baseline", "rust_wasm_baseline", "rust_wasm_simd128", "ck_wasm_simd128", "clang_wasm_simd128", "ck_wasm_baseline" ] }, { "caseKey": "sum", "round": 3, "order": [ "ck_wasm_simd128", "rust_wasm_baseline", "clang_wasm_baseline", "clang_wasm_simd128", "ck_wasm_baseline", "rust_wasm_simd128" ] }, { "caseKey": "sum", "round": 4, "order": [ "clang_wasm_baseline", "rust_wasm_simd128", "rust_wasm_baseline", "ck_wasm_baseline", "ck_wasm_simd128", "clang_wasm_simd128" ] }, { "caseKey": "sum", "round": 5, "order": [ "rust_wasm_baseline", "rust_wasm_simd128", "clang_wasm_simd128", "ck_wasm_simd128", "ck_wasm_baseline", "clang_wasm_baseline" ] }, { "caseKey": "sum", "round": 6, "order": [ "clang_wasm_simd128", "rust_wasm_baseline", "ck_wasm_simd128", "rust_wasm_simd128", "clang_wasm_baseline", "ck_wasm_baseline" ] }, { "caseKey": "sum", "round": 7, "order": [ "rust_wasm_baseline", "ck_wasm_baseline", "clang_wasm_simd128", "ck_wasm_simd128", "clang_wasm_baseline", "rust_wasm_simd128" ] }, { "caseKey": "dot_product", "round": 1, "order": [ "ck_wasm_simd128", "clang_wasm_baseline", "rust_wasm_simd128", "clang_wasm_simd128", "ck_wasm_baseline", "rust_wasm_baseline" ] }, { "caseKey": "dot_product", "round": 2, "order": [ "ck_wasm_baseline", "clang_wasm_simd128", "ck_wasm_simd128", "clang_wasm_baseline", "rust_wasm_baseline", "rust_wasm_simd128" ] }, { "caseKey": "dot_product", "round": 3, "order": [ "clang_wasm_baseline", "clang_wasm_simd128", "ck_wasm_simd128", "rust_wasm_simd128", "ck_wasm_baseline", "rust_wasm_baseline" ] }, { "caseKey": "dot_product", "round": 4, "order": [ "ck_wasm_simd128", "rust_wasm_simd128", "rust_wasm_baseline", "clang_wasm_baseline", "ck_wasm_baseline", "clang_wasm_simd128" ] }, { "caseKey": "dot_product", "round": 5, "order": [ "rust_wasm_baseline", "rust_wasm_simd128", "ck_wasm_simd128", "ck_wasm_baseline", "clang_wasm_baseline", "clang_wasm_simd128" ] }, { "caseKey": "dot_product", "round": 6, "order": [ "ck_wasm_baseline", "ck_wasm_simd128", "clang_wasm_simd128", "rust_wasm_simd128", "clang_wasm_baseline", "rust_wasm_baseline" ] }, { "caseKey": "dot_product", "round": 7, "order": [ "clang_wasm_baseline", "ck_wasm_baseline", "clang_wasm_simd128", "ck_wasm_simd128", "rust_wasm_simd128", "rust_wasm_baseline" ] }, { "caseKey": "image_stencil", "round": 1, "order": [ "rust_wasm_simd128", "rust_wasm_baseline", "clang_wasm_simd128", "ck_wasm_baseline", "ck_wasm_simd128", "clang_wasm_baseline" ] }, { "caseKey": "image_stencil", "round": 2, "order": [ "ck_wasm_simd128", "clang_wasm_baseline", "ck_wasm_baseline", "rust_wasm_simd128", "rust_wasm_baseline", "clang_wasm_simd128" ] }, { "caseKey": "image_stencil", "round": 3, "order": [ "rust_wasm_baseline", "clang_wasm_simd128", "ck_wasm_baseline", "ck_wasm_simd128", "clang_wasm_baseline", "rust_wasm_simd128" ] }, { "caseKey": "image_stencil", "round": 4, "order": [ "clang_wasm_simd128", "ck_wasm_simd128", "ck_wasm_baseline", "rust_wasm_simd128", "clang_wasm_baseline", "rust_wasm_baseline" ] }, { "caseKey": "image_stencil", "round": 5, "order": [ "clang_wasm_simd128", "rust_wasm_baseline", "ck_wasm_simd128", "clang_wasm_baseline", "ck_wasm_baseline", "rust_wasm_simd128" ] }, { "caseKey": "image_stencil", "round": 6, "order": [ "ck_wasm_simd128", "rust_wasm_simd128", "rust_wasm_baseline", "clang_wasm_simd128", "ck_wasm_baseline", "clang_wasm_baseline" ] }, { "caseKey": "image_stencil", "round": 7, "order": [ "ck_wasm_baseline", "clang_wasm_baseline", "rust_wasm_baseline", "clang_wasm_simd128", "ck_wasm_simd128", "rust_wasm_simd128" ] }, { "caseKey": "matmul", "round": 1, "order": [ "rust_wasm_baseline", "clang_wasm_simd128", "ck_wasm_baseline", "ck_wasm_simd128", "clang_wasm_baseline", "rust_wasm_simd128" ] }, { "caseKey": "matmul", "round": 2, "order": [ "clang_wasm_simd128", "ck_wasm_baseline", "rust_wasm_baseline", "clang_wasm_baseline", "ck_wasm_simd128", "rust_wasm_simd128" ] }, { "caseKey": "matmul", "round": 3, "order": [ 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"rust_wasm_simd128", "rust_wasm_baseline", "ck_wasm_simd128", "clang_wasm_baseline", "clang_wasm_simd128", "ck_wasm_baseline" ] }, { "caseKey": "polynomial", "round": 1, "order": [ "rust_wasm_baseline", "ck_wasm_baseline", "rust_wasm_simd128", "clang_wasm_baseline", "clang_wasm_simd128", "ck_wasm_simd128" ] }, { "caseKey": "polynomial", "round": 2, "order": [ "clang_wasm_baseline", "rust_wasm_baseline", "ck_wasm_simd128", "rust_wasm_simd128", "clang_wasm_simd128", "ck_wasm_baseline" ] }, { "caseKey": "polynomial", "round": 3, "order": [ "clang_wasm_simd128", "clang_wasm_baseline", "ck_wasm_baseline", "rust_wasm_simd128", "ck_wasm_simd128", "rust_wasm_baseline" ] }, { "caseKey": "polynomial", "round": 4, "order": [ "clang_wasm_simd128", "ck_wasm_simd128", "rust_wasm_baseline", "ck_wasm_baseline", "rust_wasm_simd128", "clang_wasm_baseline" ] }, { "caseKey": "polynomial", "round": 5, "order": [ "rust_wasm_baseline", "clang_wasm_simd128", "rust_wasm_simd128", "clang_wasm_baseline", "ck_wasm_baseline", "ck_wasm_simd128" ] }, { "caseKey": "polynomial", "round": 6, "order": [ "rust_wasm_baseline", "clang_wasm_baseline", "rust_wasm_simd128", "ck_wasm_simd128", "clang_wasm_simd128", "ck_wasm_baseline" ] }, { "caseKey": "polynomial", "round": 7, "order": [ "ck_wasm_baseline", "rust_wasm_baseline", "clang_wasm_baseline", "ck_wasm_simd128", "clang_wasm_simd128", "rust_wasm_simd128" ] }, { "caseKey": "monte_carlo", "round": 1, "order": [ "clang_wasm_simd128", "rust_wasm_simd128", "ck_wasm_simd128", "clang_wasm_baseline", "ck_wasm_baseline", "rust_wasm_baseline" ] }, { "caseKey": "monte_carlo", "round": 2, "order": [ "clang_wasm_baseline", "clang_wasm_simd128", "rust_wasm_baseline", "ck_wasm_simd128", "ck_wasm_baseline", "rust_wasm_simd128" ] }, { "caseKey": "monte_carlo", "round": 3, "order": [ "ck_wasm_baseline", "rust_wasm_baseline", "clang_wasm_simd128", "clang_wasm_baseline", "ck_wasm_simd128", "rust_wasm_simd128" ] }, { "caseKey": "monte_carlo", "round": 4, "order": [ "rust_wasm_simd128", "clang_wasm_simd128", "ck_wasm_simd128", "rust_wasm_baseline", "ck_wasm_baseline", "clang_wasm_baseline" ] }, { "caseKey": "monte_carlo", "round": 5, "order": [ "ck_wasm_simd128", "rust_wasm_simd128", "clang_wasm_baseline", "clang_wasm_simd128", "ck_wasm_baseline", "rust_wasm_baseline" ] }, { "caseKey": "monte_carlo", "round": 6, "order": [ "ck_wasm_simd128", "clang_wasm_simd128", "clang_wasm_baseline", "rust_wasm_baseline", "ck_wasm_baseline", "rust_wasm_simd128" ] }, { "caseKey": "monte_carlo", "round": 7, "order": [ "ck_wasm_baseline", "clang_wasm_simd128", "clang_wasm_baseline", "rust_wasm_baseline", "rust_wasm_simd128", "ck_wasm_simd128" ] }, { "caseKey": "piecewise", "round": 1, "order": [ "clang_wasm_baseline", "rust_wasm_baseline", "rust_wasm_simd128", "ck_wasm_baseline", "clang_wasm_simd128", "ck_wasm_simd128" ] }, { "caseKey": "piecewise", "round": 2, "order": [ "clang_wasm_baseline", "rust_wasm_baseline", "rust_wasm_simd128", "ck_wasm_simd128", "ck_wasm_baseline", "clang_wasm_simd128" ] }, { "caseKey": "piecewise", "round": 3, "order": [ "ck_wasm_simd128", "rust_wasm_baseline", "ck_wasm_baseline", "clang_wasm_baseline", "rust_wasm_simd128", "clang_wasm_simd128" ] }, { "caseKey": "piecewise", "round": 4, "order": [ "clang_wasm_simd128", "ck_wasm_simd128", "rust_wasm_simd128", "ck_wasm_baseline", "rust_wasm_baseline", "clang_wasm_baseline" ] }, { "caseKey": "piecewise", "round": 5, "order": [ "rust_wasm_simd128", "ck_wasm_baseline", "clang_wasm_simd128", "rust_wasm_baseline", "clang_wasm_baseline", "ck_wasm_simd128" ] }, { "caseKey": "piecewise", "round": 6, "order": [ "clang_wasm_baseline", "ck_wasm_baseline", "rust_wasm_simd128", "clang_wasm_simd128", "ck_wasm_simd128", "rust_wasm_baseline" ] }, { "caseKey": "piecewise", "round": 7, "order": [ "clang_wasm_simd128", "rust_wasm_simd128", "ck_wasm_baseline", "rust_wasm_baseline", "clang_wasm_baseline", "ck_wasm_simd128" ] }, { "caseKey": "memory_transform", "round": 1, "order": [ "rust_wasm_baseline", "clang_wasm_simd128", "clang_wasm_baseline", "ck_wasm_simd128", "ck_wasm_baseline", "rust_wasm_simd128" ] }, { "caseKey": "memory_transform", "round": 2, "order": [ "rust_wasm_simd128", "rust_wasm_baseline", "clang_wasm_baseline", "ck_wasm_simd128", "clang_wasm_simd128", "ck_wasm_baseline" ] }, { "caseKey": "memory_transform", "round": 3, "order": [ "clang_wasm_simd128", "ck_wasm_baseline", "clang_wasm_baseline", "rust_wasm_simd128", "ck_wasm_simd128", "rust_wasm_baseline" ] }, { "caseKey": "memory_transform", "round": 4, "order": [ "ck_wasm_baseline", "rust_wasm_simd128", "clang_wasm_simd128", "ck_wasm_simd128", "clang_wasm_baseline", "rust_wasm_baseline" ] }, { "caseKey": "memory_transform", "round": 5, "order": [ "clang_wasm_baseline", "ck_wasm_baseline", "rust_wasm_simd128", "rust_wasm_baseline", "clang_wasm_simd128", "ck_wasm_simd128" ] }, { "caseKey": "memory_transform", "round": 6, "order": [ "clang_wasm_baseline", "ck_wasm_baseline", "rust_wasm_baseline", "rust_wasm_simd128", "clang_wasm_simd128", "ck_wasm_simd128" ] }, { "caseKey": "memory_transform", "round": 7, "order": [ "rust_wasm_simd128", "ck_wasm_simd128", "clang_wasm_baseline", "clang_wasm_simd128", "rust_wasm_baseline", "ck_wasm_baseline" ] }, { "caseKey": "dijkstra", "round": 1, "order": [ "clang_wasm_baseline", "ck_wasm_simd128", "clang_wasm_simd128", "rust_wasm_simd128", "rust_wasm_baseline", "ck_wasm_baseline" ] }, { "caseKey": "dijkstra", "round": 2, "order": [ "rust_wasm_simd128", "ck_wasm_baseline", "clang_wasm_baseline", "ck_wasm_simd128", "rust_wasm_baseline", "clang_wasm_simd128" ] }, { "caseKey": "dijkstra", "round": 3, "order": [ "ck_wasm_simd128", "clang_wasm_simd128", "ck_wasm_baseline", "rust_wasm_simd128", "rust_wasm_baseline", "clang_wasm_baseline" ] }, { "caseKey": "dijkstra", "round": 4, "order": [ "rust_wasm_baseline", "ck_wasm_simd128", "clang_wasm_baseline", "ck_wasm_baseline", "rust_wasm_simd128", "clang_wasm_simd128" ] }, { "caseKey": "dijkstra", "round": 5, "order": [ "ck_wasm_simd128", "clang_wasm_simd128", "clang_wasm_baseline", "rust_wasm_baseline", "ck_wasm_baseline", "rust_wasm_simd128" ] }, { "caseKey": "dijkstra", "round": 6, "order": [ "ck_wasm_simd128", "rust_wasm_simd128", "ck_wasm_baseline", "rust_wasm_baseline", "clang_wasm_simd128", "clang_wasm_baseline" ] }, { "caseKey": "dijkstra", "round": 7, "order": [ "ck_wasm_simd128", "clang_wasm_baseline", "rust_wasm_baseline", "ck_wasm_baseline", "clang_wasm_simd128", "rust_wasm_simd128" ] } ], "timing": { "warmupMinimumNs": 500000000, "warmupMinimumJitIterations": 1000, "maximumEarlyLateDrift": 1.15, "targetBatchNs": 80000000, "minimumBatchNs": 60000000, "maximumBatchNs": 110000000, "rounds": 7, "normalization": "median time per call; CK throughput ratio is compared against the faster equivalent Clang/Rust implementation within the same WASM profile.", "boundary": "kernel call batch only; includes required output/workspace initialization, repeat-loop and language-call overhead, including Node-to-Wasm calls; excludes compilation, process startup, fixture I/O/copy, Wasm instantiation and memory growth, output hashing, and report generation." }, "cases": [ { "key": "fused_arithmetic", "dimensions": { "n": 262144 }, "description": "One fused element-wise loop: (a*1.25+b*0.5)*(a-b)+0.125; f64.", "inputHashes": { "fused_arithmetic.a": "771b68c82e1f971e04583ad0692068f21b128fc2bede70e983d6c0e5372c4eb9", "fused_arithmetic.b": "f90e6fc4224efe8cad2a92ec0ba622e30666019327a81c7406e9a0ad9ffa99c9" }, "referenceHash": "05c18a52990fcccc1f2ccbb6c3feac3f6c65cef4b33969c7004612505a2ca17b", "referenceMethod": "Python standard-library implementation; Dijkstra uses adjacency lists and a binary heap.", "results": [ { "implementation": "ck_wasm_baseline", "medianNsPerCall": 116121.89047619047, "samplesNsPerCall": [ 116733.46507936508, 117576.65238095238, 117208.99365079365, 113965.54285714286, 116121.89047619047, 114569.3111111111, 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