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Zenith, published by Makoto Arai and currently at version 1.0.4 across three released versions, is a lightweight, cross-platform system benchmark tool written in Zig, distributed as a single binary with zero dependencies. It belongs to the system benchmarking and diagnostics category and is designed to give users a consolidated view of hardware and environment information alongside performance measurements. Its system information module reports hostname, OS, architecture, kernel, CPU model, core count and cache, memory and swap, disk space, uptime, timezone, virtualization status, and system load, while its network information module identifies public and local IP addresses, NAT presence, ISP and ASN details, and geolocation. Benchmarking capabilities cover CPU workloads such as prime number computation and single- and multi-threaded matrix multiplication, memory tests including sequential read, write, and copy operations, random read, and access latency, and disk tests measuring sequential read and write throughput plus random IOPS. These capabilities make Zenith suitable for use cases such as comparing hardware configurations, verifying server provisioning, diagnosing performance characteristics of development machines, and gathering host details on newly deployed systems. The tool runs on Linux, Windows, macOS, and FreeBSD and supports a wide range of architectures including x86_64, aarch64, arm, riscv64, s390x, ppc64le, i386, and loongarch64. Output is available in English, Chinese, and Japanese, with automatic detection of the system language that can be overridden using the -l flag. Because results can be affected by operating system scheduling differences, caching, and other factors, the publisher notes that benchmark figures are for reference only and may differ from actual performance. The combination of portability, zero-dependency deployment, broad architecture support, and integrated reporting makes Zenith a practical choice for quick, repeatable system assessments in heterogeneous environments.
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