Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01B38FGKKam5SCGgwgduVAh3
42 lines
2.4 KiB
Plaintext
42 lines
2.4 KiB
Plaintext
# JDK 27, G1 (the default), 1 CPU / 2 GB container, 400 batches, 2 runs per configuration
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=== flags that differ between 26 and 27 (from -XX:+PrintFlagsFinal)
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--- amazoncorretto:26
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uint ConcGCThreads = 0 {product} {default}
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uintx MaxHeapFreeRatio = 70 {manageable} {default}
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size_t MaxHeapSize = 536870912 {product} {ergonomic}
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uintx MinHeapFreeRatio = 40 {manageable} {default}
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uint ParallelGCThreads = 0 {product} {default}
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bool UseCompactObjectHeaders = false {product lp64_product} {default}
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bool UseCompressedClassPointers = true {product} {default}
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--- amazoncorretto:27
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uint ConcGCThreads = 1 {product} {ergonomic}
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uint G1IHOP = 45 {product} {default}
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uintx MaxHeapFreeRatio = 100 {manageable} {default}
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size_t MaxHeapSize = 536870912 {product} {ergonomic}
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uintx MinHeapFreeRatio = 0 {manageable} {default}
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uint ParallelGCThreads = 1 {product} {default}
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bool UseCompactObjectHeaders = true {product lp64_product} {default}
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=== amazoncorretto:27 flags: [none]
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wall time = 1064 ms
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gc count / time = 26 / 208 ms
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peak RSS = 492 MB
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wall time = 1078 ms
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gc count / time = 26 / 202 ms
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peak RSS = 493 MB
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=== amazoncorretto:27 flags: [-XX:MinHeapFreeRatio=40 -XX:MaxHeapFreeRatio=70]
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wall time = 1115 ms
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gc count / time = 26 / 268 ms
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peak RSS = 492 MB
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wall time = 982 ms
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gc count / time = 26 / 199 ms
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peak RSS = 492 MB
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=== amazoncorretto:27 flags: [-Xmx256m]
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wall time = 976 ms
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gc count / time = 37 / 240 ms
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peak RSS = 294 MB
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wall time = 957 ms
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gc count / time = 37 / 261 ms
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peak RSS = 294 MB
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