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Title: gh-149584: Use `mach_vm_remap` in Tachyon by maurycy · Pull Request #150893 · python/cpython · GitHub

Open Graph Title: gh-149584: Use `mach_vm_remap` in Tachyon by maurycy · Pull Request #150893 · python/cpython

X Title: gh-149584: Use `mach_vm_remap` in Tachyon by maurycy · Pull Request #150893 · python/cpython

Description: @pablogsal This is a sneak peak. I'm cooking it for the past two weeks. It's not bad: Metric Baseline (main 025cc26) This PR Change Work rate 339,576.5 calls/sec 2,925,619.9 calls/sec 8.61x faster Sample rate 325,989.3 samples/sec 2,202,278.0 samples/sec 6.76x faster Avg call time 2.94 µs 0.34 µs -88.4% Total attempts 979,732 6,612,442 6.75x more Successful samples 977,970 6,606,845 - Failed samples 1,762 5,597 - Success rate 99.82% 99.92% +0.10 pp Work efficiency 96.2% 75.3% - 2026-06-04T00:00:55.450053000+0200 maurycy@gimel /Users/maurycy/src/github.com/maurycy/cpython (vmremap 25e012d) % sudo ./python.exe Tools/inspection/benchmark_external_inspection.py --duration 3 [...] Basic Statistics: Wall time: 3.000 seconds Total attempts: 6,612,442 Successful samples: 6,606,845 Failed samples: 5,597 Success rate: 99.92% Performance Metrics: Average call time: 0.34 µs Work rate: 2925619.9 calls/sec Sample rate: 2202278.0 samples/sec Total work time: 2.260 seconds Work efficiency: 75.3% v. 2026-06-04T00:03:25.240297000+0200 maurycy@gimel /Users/maurycy/work/cpython-main (main 025cc26) % sudo ./python.exe Tools/inspection/benchmark_external_inspection.py --duration 3 ============================================================ get_stack_trace() Benchmark Results ============================================================ Basic Statistics: Wall time: 3.000 seconds Total attempts: 979,732 Successful samples: 977,970 Failed samples: 1,762 Success rate: 99.82% Performance Metrics: Average call time: 2.94 µs Work rate: 339576.5 calls/sec Sample rate: 325989.3 samples/sec Total work time: 2.885 seconds Work efficiency: 96.2% Issue: gh-149584

Open Graph Description: @pablogsal This is a sneak peak. I'm cooking it for the past two weeks. It's not bad: Metric Baseline (main 025cc26) This PR Change Work rate 339,576.5 calls/sec 2,925,619.9 calls/se...

X Description: @pablogsal This is a sneak peak. I'm cooking it for the past two weeks. It's not bad: Metric Baseline (main 025cc26) This PR Change Work rate 339,576.5 calls/sec 2,925,619.9 ...

Opengraph URL: https://github.com/python/cpython/pull/150893

X: @github

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