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@dependabot dependabot bot commented on behalf of github Dec 29, 2025

Bumps riscv from 0.15.0 to 0.16.0.

Release notes

Sourced from riscv's releases.

riscv v0.16.0

A new batch of RISC-V releases is now available at crates.io! Here we enumerate the most important changes, but please read the CHANGELOG.md files for further details.

riscv-types v0.1.0

This crate substitutes riscv-pac, which is now deprecated

riscv v0.16.0

riscv-rt v0.17.0

  • New no-mhartid and no-xtvec features to support more targets (@​Shatur)
  • Fix v-trap core interrupt so RISCV_RT_BASE_ISA must be defined (@​kurtjd)
  • Fix stack allocation algorithm for multi-core targets without M extension (@​romancardenas )
Commits
  • c77e937 Merge pull request #380 from rust-embedded/riscv/v0.16
  • 4a2e372 Prepare for release
  • 29ea2c6 Merge pull request #374 from rust-embedded/riscv-macros
  • 80f984b Modularize riscv-macros code
  • a5377b5 Merge pull request #375 from rust-embedded/riscv-types
  • 40f99a8 Fix CI errors
  • fbaddc9 riscv-pac: deprecate crate
  • d114242 Bump CI to rustc 1.81
  • eebb2ad riscv-rt: use riscv_types instead of riscv_pac
  • db234f6 riscv-peripheral: use riscv_types instead of riscv_pac
  • Additional commits viewable in compare view

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Bumps [riscv](https://github.com/rust-embedded/riscv) from 0.15.0 to 0.16.0.
- [Release notes](https://github.com/rust-embedded/riscv/releases)
- [Commits](rust-embedded/riscv@riscv-v0.15.0...riscv-v0.16.0)

---
updated-dependencies:
- dependency-name: riscv
  dependency-version: 0.16.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file rust Pull requests that update Rust code labels Dec 29, 2025
@mkroening mkroening enabled auto-merge December 29, 2025 21:30
@mkroening mkroening added this pull request to the merge queue Dec 29, 2025
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Benchmark Results

Details
Benchmark Current: d39bd79 Previous: 9bf66f7 Performance Ratio
startup_benchmark Build Time 105.05 s 100.77 s 1.04
startup_benchmark File Size 0.87 MB 0.87 MB 1.00
Startup Time - 1 core 1.01 s (±0.02 s) 1.01 s (±0.02 s) 1.00
Startup Time - 2 cores 1.00 s (±0.02 s) 1.00 s (±0.03 s) 1.01
Startup Time - 4 cores 1.00 s (±0.02 s) 1.00 s (±0.04 s) 1.00
multithreaded_benchmark Build Time 101.38 s 105.24 s 0.96
multithreaded_benchmark File Size 0.97 MB 0.97 MB 1.00
Multithreaded Pi Efficiency - 2 Threads 86.90 % (±7.64 %) 90.10 % (±7.66 %) 0.96
Multithreaded Pi Efficiency - 4 Threads 44.27 % (±2.88 %) 44.82 % (±3.56 %) 0.99
Multithreaded Pi Efficiency - 8 Threads 25.39 % (±1.15 %) 24.83 % (±1.58 %) 1.02
micro_benchmarks Build Time 164.59 s 175.41 s 0.94
micro_benchmarks File Size 0.98 MB 0.98 MB 1.00
Scheduling time - 1 thread 72.12 ticks (±4.58 ticks) 73.69 ticks (±4.45 ticks) 0.98
Scheduling time - 2 threads 55.57 ticks (±17.20 ticks) 65.87 ticks (±14.82 ticks) 0.84
Micro - Time for syscall (getpid) 4.56 ticks (±0.34 ticks) 4.62 ticks (±0.37 ticks) 0.99
Memcpy speed - (built_in) block size 4096 57806.29 MByte/s (±40727.12 MByte/s) 55768.32 MByte/s (±39376.25 MByte/s) 1.04
Memcpy speed - (built_in) block size 1048576 28331.31 MByte/s (±23468.88 MByte/s) 28583.93 MByte/s (±23843.16 MByte/s) 0.99
Memcpy speed - (built_in) block size 16777216 27389.19 MByte/s (±22933.83 MByte/s) 25538.34 MByte/s (±21555.71 MByte/s) 1.07
Memset speed - (built_in) block size 4096 58596.80 MByte/s (±41273.35 MByte/s) 56209.59 MByte/s (±39683.66 MByte/s) 1.04
Memset speed - (built_in) block size 1048576 29099.35 MByte/s (±23908.24 MByte/s) 29436.59 MByte/s (±24354.70 MByte/s) 0.99
Memset speed - (built_in) block size 16777216 28154.51 MByte/s (±23370.91 MByte/s) 25802.23 MByte/s (±21637.72 MByte/s) 1.09
Memcpy speed - (rust) block size 4096 52157.03 MByte/s (±37427.47 MByte/s) 51459.77 MByte/s (±37387.53 MByte/s) 1.01
Memcpy speed - (rust) block size 1048576 28509.34 MByte/s (±23643.20 MByte/s) 28522.93 MByte/s (±23828.89 MByte/s) 1.00
Memcpy speed - (rust) block size 16777216 27202.04 MByte/s (±22788.73 MByte/s) 26195.38 MByte/s (±22128.74 MByte/s) 1.04
Memset speed - (rust) block size 4096 52823.45 MByte/s (±37867.61 MByte/s) 51853.36 MByte/s (±37645.54 MByte/s) 1.02
Memset speed - (rust) block size 1048576 29262.06 MByte/s (±24083.06 MByte/s) 29374.63 MByte/s (±24340.66 MByte/s) 1.00
Memset speed - (rust) block size 16777216 27897.69 MByte/s (±23168.11 MByte/s) 26492.35 MByte/s (±22223.66 MByte/s) 1.05
alloc_benchmarks Build Time 170.51 s 163.61 s 1.04
alloc_benchmarks File Size 0.94 MB 0.94 MB 1.00
Allocations - Allocation success 100.00 % 100.00 % 1
Allocations - Deallocation success 100.00 % 100.00 % 1
Allocations - Pre-fail Allocations 100.00 % 100.00 % 1
Allocations - Average Allocation time 8732.91 Ticks (±107.99 Ticks) 8681.12 Ticks (±98.54 Ticks) 1.01
Allocations - Average Allocation time (no fail) 8732.91 Ticks (±107.99 Ticks) 8681.12 Ticks (±98.54 Ticks) 1.01
Allocations - Average Deallocation time 1258.13 Ticks (±174.89 Ticks) 812.70 Ticks (±77.53 Ticks) 1.55
mutex_benchmark Build Time 165.80 s 162.29 s 1.02
mutex_benchmark File Size 0.98 MB 0.98 MB 1.00
Mutex Stress Test Average Time per Iteration - 1 Threads 16.10 ns (±0.81 ns) 16.04 ns (±0.92 ns) 1.00
Mutex Stress Test Average Time per Iteration - 2 Threads 18.70 ns (±2.00 ns) 18.08 ns (±2.24 ns) 1.03

This comment was automatically generated by workflow using github-action-benchmark.

@github-merge-queue github-merge-queue bot removed this pull request from the merge queue due to failed status checks Dec 29, 2025
@mkroening mkroening added this pull request to the merge queue Dec 29, 2025
Merged via the queue into main with commit c0b7a97 Dec 29, 2025
20 checks passed
@dependabot dependabot bot deleted the dependabot/cargo/riscv-0.16.0 branch December 29, 2025 22:47
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