parallel in rustc_data_structures - Rust (original) (raw)

rustc_data_structures

Macro parallel

Source

macro_rules! parallel {
    (impl <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>f</mi><mi>b</mi><mi>l</mi><mi>o</mi><mi>c</mi><mi>k</mi><mo>:</mo><mi>b</mi><mi>l</mi><mi>o</mi><mi>c</mi><mi>k</mi><mo stretchy="false">[</mo></mrow><annotation encoding="application/x-tex">fblock:block [</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord mathnormal" style="margin-right:0.10764em;">f</span><span class="mord mathnormal">b</span><span class="mord mathnormal" style="margin-right:0.01968em;">l</span><span class="mord mathnormal">oc</span><span class="mord mathnormal" style="margin-right:0.03148em;">k</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">:</span><span class="mspace" style="margin-right:0.2778em;"></span></span><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord mathnormal">b</span><span class="mord mathnormal" style="margin-right:0.01968em;">l</span><span class="mord mathnormal">oc</span><span class="mord mathnormal" style="margin-right:0.03148em;">k</span><span class="mopen">[</span></span></span></span>($c:expr,)*] [$block:expr <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">(</mo><mo separator="true">,</mo></mrow><annotation encoding="application/x-tex">(, </annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">(</span><span class="mpunct">,</span></span></span></span>rest:expr)*]) => { ... };
    (impl <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>f</mi><mi>b</mi><mi>l</mi><mi>o</mi><mi>c</mi><mi>k</mi><mo>:</mo><mi>b</mi><mi>l</mi><mi>o</mi><mi>c</mi><mi>k</mi><mo stretchy="false">[</mo></mrow><annotation encoding="application/x-tex">fblock:block [</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8889em;vertical-align:-0.1944em;"></span><span class="mord mathnormal" style="margin-right:0.10764em;">f</span><span class="mord mathnormal">b</span><span class="mord mathnormal" style="margin-right:0.01968em;">l</span><span class="mord mathnormal">oc</span><span class="mord mathnormal" style="margin-right:0.03148em;">k</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">:</span><span class="mspace" style="margin-right:0.2778em;"></span></span><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord mathnormal">b</span><span class="mord mathnormal" style="margin-right:0.01968em;">l</span><span class="mord mathnormal">oc</span><span class="mord mathnormal" style="margin-right:0.03148em;">k</span><span class="mopen">[</span></span></span></span>($blocks:expr,)*] []) => { ... };
    ($fblock:block, <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">(</mo></mrow><annotation encoding="application/x-tex">(</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">(</span></span></span></span>blocks:block),*) => { ... };
}

Expand description

Runs a list of blocks in parallel. The first block is executed immediately on the current thread. Use that for the longest running block.