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Add benchmarks using iai-callgrind #805

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Mar 21, 2025
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Add benchmarks using iai-callgrind #805

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14 changes: 14 additions & 0 deletions testcrate/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,8 @@ doctest = false
rand_xoshiro = "0.6"
# To compare float builtins against
rustc_apfloat = "0.2.1"
# Really a dev dependency, but dev dependencies can't be optional
iai-callgrind = { version = "0.14.0", optional = true }

[dependencies.compiler_builtins]
path = "../compiler-builtins"
Expand Down Expand Up @@ -47,9 +49,16 @@ no-sys-f16-f64-convert = []
# Skip tests that rely on f16 symbols being available on the system
no-sys-f16 = ["no-sys-f16-f64-convert"]

# Enable icount benchmarks (requires iai-callgrind and valgrind)
icount = ["dep:iai-callgrind"]

# Enable report generation without bringing in more dependencies by default
benchmarking-reports = ["criterion/plotters", "criterion/html_reports"]

# NOTE: benchmarks must be run with `--no-default-features` or with
# `-p testcrate`, otherwise the default `compiler-builtins` feature of the
# `compiler_builtins` crate gets activated, resulting in linker errors.

[[bench]]
name = "float_add"
harness = false
Expand Down Expand Up @@ -85,3 +94,8 @@ harness = false
[[bench]]
name = "float_pow"
harness = false

[[bench]]
name = "mem_icount"
harness = false
required-features = ["icount"]
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