Changeset 2073d207

Timestamp:

Jun 16, 2020, 1:13:31 PM (4 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

37ba662

Parents:

8834751

Message:

Minor improvements to yield benchmark

File:

• benchmark/readyQ/yield.cfa (modified) (3 diffs)

benchmark/readyQ/yield.cfa

@@ -22 +22 @@
 volatile unsigned long long global_counter;
 
-thread Yielder {
+thread __attribute__((aligned(64))) Yielder {
         unsigned long long counter;
 };
@@ -117 +117 @@
                                 run = true;
 
+                                bool is_tty = isatty(STDOUT_FILENO);
                                 for(i; nthreads) {
                                         unpark( threads[i] __cfaabi_dbg_ctx2 );
                                 }
-                                do {
+                                for() {
                                         sleep(500`ms);
                                         end = getTime();
-                                } while( (end - start) < duration`s );
+                                        if( (end - start) >= duration`s ) {
+                                                break;
+                                        }
+                                        if(is_tty) {
+                                                printf("\r%.4lf", (double)(end - start)`s);
+                                                fflush(stdout);
+                                        }
+                                }
 
                                 run = false;
@@ -132 +140 @@
 
                 printf("Took %'ld ms\n", (end - start)`ms);
-                printf("Total yields      : %'15llu\n", global_counter);
-                printf("yields per second : %'18.2lf\n", ((double)global_counter) / (end - start)`s);
-                printf("ns per yields     : %'18.2lf\n", ((double)(end - start)`ns) / global_counter);
+                printf("Total yields        : %'15llu\n", global_counter);
+                printf("Yields per procs    : %'15llu\n", global_counter / nprocs);
+                printf("Yields per second   : %'18.2lf\n", ((double)global_counter) / (end - start)`s);
+                printf("Yields/sec/procs    : %'18.2lf\n", (((double)global_counter) / nprocs) / (end - start)`s);
+                printf("ns per yields       : %'18.2lf\n", ((double)(end - start)`ns) / global_counter);
+                printf("ns per yields/procs : %'18.2lf\n", ((double)(end - start)`ns) / (global_counter / nprocs));
+
         }
 }