Remove crate from polars (#2890)

Co-authored-by: Ritchie Vink <ritchie46@gmail.com>
pola-rs · Mar 14, 2022 · 7b2b368 · 7b2b368
1 parent ecb75a3
commit 7b2b368
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Showing 4 changed files with 3 additions and 4 deletions.
diff --git a/polars/polars-core/Cargo.toml b/polars/polars-core/Cargo.toml
@@ -148,7 +148,6 @@ jsonpath_lib = { version = "0.3.0", optional = true, git = "https://github.com/r
 lazy_static = "1.4"
 ndarray = { version = "0.15", optional = true, default_features = false }
 num = "^0.4"
-num_cpus = "1"
 polars-arrow = { version = "0.20.0", path = "../polars-arrow", features = ["compute"] }
 polars-utils = { version = "0.20.0", path = "../polars-utils", optional = true }
 prettytable-rs = { version = "0.8.0", optional = true }

diff --git a/polars/polars-core/src/lib.rs b/polars/polars-core/src/lib.rs
@@ -49,7 +49,9 @@ lazy_static! {
         .num_threads(
             std::env::var("POLARS_MAX_THREADS")
                 .map(|s| s.parse::<usize>().expect("integer"))
-                .unwrap_or_else(|_| num_cpus::get())
+                .unwrap_or_else(|_| std::thread::available_parallelism()
+                    .unwrap_or(std::num::NonZeroUsize::new(1).unwrap())
+                    .get())
         )
         .build()
         .expect("could not spawn threads");

diff --git a/polars/polars-core/src/utils/mod.rs b/polars/polars-core/src/utils/mod.rs
@@ -3,7 +3,6 @@ pub(crate) mod series;
 use crate::prelude::*;
 use crate::POOL;
 pub use arrow;
-pub use num_cpus;
 pub use polars_arrow::utils::TrustMyLength;
 pub use polars_arrow::utils::*;
 pub use rayon;

diff --git a/polars/polars-io/Cargo.toml b/polars/polars-io/Cargo.toml
@@ -45,7 +45,6 @@ lexical = { version = "6", optional = true, default-features = false, features =
 memchr = "2.4"
 memmap = { package = "memmap2", version = "0.5.2", optional = true }
 num = "^0.4"
-num_cpus = "1"
 polars-arrow = { version = "0.20.0", path = "../polars-arrow" }
 polars-core = { version = "0.20.0", path = "../polars-core", features = ["private"], default-features = false }
 polars-utils = { version = "0.20.0", path = "../polars-utils", optional = true }