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Overview

CPU and memory resources are allocated per container and billed based on actual usage. Configure each app with specific CPU and memory requirements to optimize performance and cost.

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Resource Configuration

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CPU Configuration

CPU resources are specified as vCPU units (float) in the cerebrium.toml file:
Start with 4 CPU cores for most applications. Add cores based on monitoring, performance, and resource requirements. CPU usage is throttled when exceeding the specified limit. Fractional CPUs are also supported (e.g., 0.5).

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Memory Configuration

Memory is specified in gigabytes as a floating-point number:
Allocate system memory equal to the GPU’s VRAM capacity as a baseline. This accounts for initial model loading and compilation before GPU transfer. Applications terminate with an Out of Memory (OOM) error if they exceed the specified memory limit.
Memory and CPU are billed based on usage, which reduces costs for end-users and doesn’t require the overprovisioning of an entire instance.

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Resource Limits

Resource limits depend on the selected hardware configuration:

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Memory Optimization

The Transformers library provides memory optimization through the low_cpu_mem_usage flag, which reduces memory footprint at the cost of longer initialization times. Implement lazy loading for large datasets to further reduce memory usage. Monitor memory patterns through platform metrics to identify optimization opportunities. Use memory-efficient model loading techniques for large-scale deployments.

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Resource Monitoring

The platform monitors CPU utilization and throttling events to identify performance bottlenecks. Memory usage and OOM events are tracked to prevent application failures.