> ## Documentation Index > Fetch the complete documentation index at: https://docs.edgeimpulse.com/llms.txt > Use this file to discover all available pages before exploring further. # Update config > Update config ## OpenAPI ````yaml /.assets/openapi.yaml post /api/{projectId}/optimize/config openapi: 3.0.0 info: title: Edge Impulse API version: 1.0.0 servers: - url: https://studio.edgeimpulse.com/v1 security: - ApiKeyAuthentication: [] - JWTAuthentication: [] - JWTHttpHeaderAuthentication: [] - OAuth2: [] paths: /api/{projectId}/optimize/config: post: tags: - Optimization summary: Update config description: Update config operationId: updateConfig parameters: - $ref: '#/components/parameters/ProjectIdParameter' requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/OptimizeConfig' responses: '200': description: OK content: application/json: schema: $ref: '#/components/schemas/GenericApiResponse' components: parameters: ProjectIdParameter: name: projectId in: path required: true description: Project ID schema: type: integer schemas: OptimizeConfig: type: object required: - targetDevice - targetLatency properties: name: type: string targetLatency: type: integer description: Target latency in MS example: 0 targetDevice: type: object required: - name description: Target device properties: name: type: string example: cortex-m4f-80mhz ram: type: integer example: 1024 rom: type: integer example: 1024 compiler: type: array items: type: string precision: type: array items: type: string trainingCycles: type: integer description: Maximum number of training cycles example: 5 tuningMaxTrials: type: integer description: Maximum number of trials example: 2 tuningWorkers: type: integer description: Maximum number of parallel workers/jobs example: 1 initialTrials: type: integer description: Number of initial trials example: 5 optimizationRounds: type: integer description: Number of optimization rounds example: 3 trialsPerOptimizationRound: type: integer description: Number of trials per optimization round example: 3 minMACCS: type: number maxMACCS: type: number tuningAlgorithm: type: string description: Tuning algorithm to use to search hyperparameter space enum: - random - hyperband - bayesian - custom notificationOnCompletion: type: boolean importProjectMetrics: type: boolean description: >- Whether to import metrics for previous EON tuner runs in the same project to accelerate the hyperparameter search process importResourceMetrics: type: boolean description: >- Whether to import resource usage (RAM/ROM/latency) metrics to accelerate the hyperparameter search process numImportProjectMetrics: type: number description: Number of project trials to import numImportResourceMetrics: type: number description: Number of resource usage trials to import enableSEM: type: boolean description: Enable standard error of the mean (SEM) accuracySEM: type: number description: Standard error of the trial accuracy mean latencySEM: type: number description: Standard error of the trial latency mean optimizationObjectives: type: array description: Hyperparameter optimization objectives and corresponding weights items: type: object required: - objective - label - weight properties: objective: type: string description: Objective to optimize label: type: string description: Label of the objective weight: type: number description: Weight of the objective rawObjectives: type: string description: Hyperparameter optimization objectives + weights in string format optimizationPrecision: type: string description: Model variant to optimize for enum: - float32 - int8 earlyStopping: type: boolean description: >- Enable trial level early stopping based on loss metrics during training earlyStoppingWindowSize: type: number description: >- Stops the EON tuner if the feasible (mean) objective has not improved over the past “window_size” iterations earlyStoppingImprovementBar: type: number description: >- Threshold (in [0,1]) for considering relative improvement over the best point. MOMF: type: boolean description: Enable Multi-fidelity Multi-Objective optimization verboseLogging: type: boolean description: Enable verbose logging disableConstraints: type: boolean description: Disable search constraints disableDeduplicate: type: boolean description: Disable trial deduplication maxTotalTrainingTime: type: number description: Maximum total training time in seconds tunerSpaceOptions: type: object additionalProperties: type: array items: type: string space: type: array description: List of impulses specifying the EON Tuner search space items: $ref: '#/components/schemas/TunerSpaceImpulse' searchSpaceTemplate: type: object description: Search space template required: - identifier properties: identifier: type: string description: Search space template identifier enum: - speech_keyword - speech_continuous - audio_event - audio_continuous - visual - motion_event - motion_continuous - audio_syntiant - object_detection_bounding_boxes - object_detection_centroids - visual_ad - object_detection_yolo_pro classification: type: boolean description: >- Whether a classification block should be added to the search space anomaly: type: boolean description: Whether an anomaly block should be added to the search space regression: type: boolean description: Whether a regression block should be added to the search space searchSpaceSource: type: object description: Search space source required: - type properties: type: type: string description: Search space source type enum: - template - run - impulse - custom templateTitle: type: string description: Search space source template title runTitle: type: string description: Search space source run title impulseTitle: type: string description: Search space source impulse title GenericApiResponse: type: object required: - success properties: success: type: boolean description: Whether the operation succeeded error: type: string description: Optional error description (set if 'success' was false) TunerSpaceImpulse: type: object required: - inputBlocks - dspBlocks - learnBlocks properties: parameters: type: object description: >- Hyperparameters with potential values that can be used in any block in this impulse inputBlocks: type: array description: Input Blocks that are part of this impulse items: $ref: '#/components/schemas/TunerSpaceInputBlock' dspBlocks: type: array description: DSP Blocks that are part of this impulse items: $ref: '#/components/schemas/TunerSpaceDSPBlock' learnBlocks: type: array description: Learning Blocks that are part of this impulse items: type: array items: $ref: '#/components/schemas/TunerSpaceLearnBlock' TunerSpaceInputBlock: type: object additionalProperties: true TunerSpaceDSPBlock: type: object additionalProperties: true TunerSpaceLearnBlock: type: object additionalProperties: true securitySchemes: ApiKeyAuthentication: type: apiKey in: header name: x-api-key JWTAuthentication: type: apiKey in: cookie name: jwt JWTHttpHeaderAuthentication: type: apiKey in: header name: x-jwt-token OAuth2: type: oauth2 flows: authorizationCode: authorizationUrl: /v1/oauth/authorize tokenUrl: /v1/oauth/token scopes: openid: Access to basic profile information email: Access to email address profile: Access to full profile information implicit: authorizationUrl: /v1/oauth/authorize scopes: openid: Access to basic profile information email: Access to email address profile: Access to full profile information password: tokenUrl: /v1/oauth/token scopes: openid: Access to basic profile information email: Access to email address profile: Access to full profile information clientCredentials: tokenUrl: /v1/oauth/token scopes: openid: Access to basic profile information email: Access to email address profile: Access to full profile information ````