Set the number of GC threads to number of compute threads

d-netto · RAI CI (GitHub Action Automation) · commit 1cafd8afe45a · 2024-04-30T13:08:13.000Z
diff --git a/src/threading.c b/src/threading.c
@@ -678,13 +678,12 @@ void jl_init_threading(void)
         }
         else {
             // if `--gcthreads` or ENV[NUM_GCTHREADS_NAME] was not specified,
-            // set the number of mark threads to half of compute threads
-            // and number of sweep threads to 0
+            // set the number of GC threads to the number of compute threads
             if (nthreads <= 1) {
                 jl_n_markthreads = 0;
             }
             else {
-                jl_n_markthreads = (nthreads / 2) - 1;
+                jl_n_markthreads = nthreads - 1;
             }
             // if `--gcthreads` or ENV[NUM_GCTHREADS_NAME] was not specified,
             // cap the number of threads that may run the mark phase to

Original file line number	Diff line number	Diff line change
`@@ -678,13 +678,12 @@ void jl_init_threading(void)`
`678`	`678`	`}`
`679`	`679`	`else {`
`680`	`680`	// if `--gcthreads` or ENV[NUM_GCTHREADS_NAME] was not specified,
`681`		`- // set the number of mark threads to half of compute threads`
`682`		`- // and number of sweep threads to 0`
	`681`	`+ // set the number of GC threads to the number of compute threads`
`683`	`682`	`if (nthreads <= 1) {`
`684`	`683`	`jl_n_markthreads = 0;`
`685`	`684`	`}`
`686`	`685`	`else {`
`687`		`- jl_n_markthreads = (nthreads / 2) - 1;`
	`686`	`+ jl_n_markthreads = nthreads - 1;`
`688`	`687`	`}`
`689`	`688`	// if `--gcthreads` or ENV[NUM_GCTHREADS_NAME] was not specified,
`690`	`689`	`// cap the number of threads that may run the mark phase to`