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libcore: Use 4x the number of scheduler threads for testing

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An arbitrary number. I've done no measurements but it's intended to overcome
the effects of tasks randomly being scheduled to threads and no work stealing.

If scheduler threads == 1 then we just use a single test task.
This commit is contained in:
Brian Anderson 2012-01-19 14:43:56 -08:00
parent 928e55815c
commit 6d4884d983
2 changed files with 5 additions and 2 deletions
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1
src/compiletest/compiletest.rs
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@ -187,7 +187,6 @@ fn make_test_closure(cx: cx, testfile: str) -> test::test_fn {
fn run_test_task(config: common::config,
procsrv_chan: procsrv::reqchan,
testfile: str) {
test::configure_test_task();
let procsrv = procsrv::from_chan(procsrv_chan);
let cx = {config: config, procsrv: procsrv};

6
src/libstd/test.rs
View File

@ -227,7 +227,11 @@ fn run_tests(opts: test_opts, tests: [test_desc],
}
}
fn get_concurrency() -> uint { rustrt::sched_threads() }
fn get_concurrency() -> uint {
let threads = rustrt::sched_threads();
if threads == 1u { 1u }
else { threads * 4u }
}
fn filter_tests(opts: test_opts,
tests: [test_desc]) -> [test_desc] {