*x_inout = x; *unit_out = *u;
}
+/* --- @benchloop_...@ --- *
+ *
+ * Arguments: @unsigned long n@ = iteration count
+ * @void *ctx@ = benchmark running context
+ *
+ * Returns: ---
+ *
+ * Use: Run various kinds of benchmarking loops.
+ *
+ * * The @..._outer_...@ functions call the underlying
+ * function @n@ times in a loop; by contrast, the
+ * @..._inner_...@ functions set a register value to the
+ * chosen iteration count and expect the underlying function
+ * to perform the loop itself.
+ *
+ * * The @..._direct@ functions just call the underlying test
+ * function directly (though still through an `indirect
+ * jump' instruction); by contrast, the @..._indirect@
+ * functions invoke a subsidiary environment's @run@
+ * function, which adds additional overhead.
+ */
+
+static void benchloop_outer_direct(unsigned long n, void *ctx)
+{
+ struct benchrun *r = ctx;
+ tvec_testfn *fn = r->fn; void *tctx = r->ctx;
+ const struct tvec_reg *in = r->in; struct tvec_reg *out = r->out;
+
+ while (n--) fn(in, out, tctx);
+}
+
+static void benchloop_inner_direct(unsigned long n, void *ctx)
+ { struct benchrun *r = ctx; *r->n = n; r->fn(r->in, r->out, r->ctx); }
+
+static void benchloop_outer_indirect(unsigned long n, void *ctx)
+{
+ struct benchrun *r = ctx;
+ struct tvec_state *tv = r->tv;
+ void (*run)(struct tvec_state *, tvec_testfn, void *) = r->env->run;
+ tvec_testfn *fn = r->fn; void *tctx = r->ctx;
+
+ while (n--) run(tv, fn, tctx);
+}
+
+static void benchloop_inner_indirect(unsigned long n, void *ctx)
+ { struct benchrun *r = ctx; *r->n = n; r->env->run(r->tv, r->fn, r->ctx); }
+
+/*----- Output utilities --------------------------------------------------*/
+
+/* --- @tvec_benchreport@ --- *
+ *
+ * Arguments: @const struct gprintf_ops *gops@ = print operations
+ * @void *go@ = print destination
+ * @unsigned unit@ = the unit being measured (~TVBU_...@)
+ * @const struct bench_timing *tm@ = the benchmark result
+ *
+ * Returns: ---
+ *
+ * Use: Formats a report about the benchmark performance. This
+ * function is intended to be called on by an output
+ * @ebench@ function.
+ */
+
+void tvec_benchreport(const struct gprintf_ops *gops, void *go,
+ unsigned unit, const struct bench_timing *tm)
+{
+ double scale, x, n = tm->n;
+ const char *u, *what, *whats;
+
+ if (!tm) { gprintf(gops, go, "benchmark FAILED"); return; }
+
+ assert(tm->f&BTF_TIMEOK);
+
+ switch (unit) {
+ case TVBU_OP:
+ gprintf(gops, go, "%.0f iterations ", n);
+ what = "op"; whats = "ops"; scale = 1000;
+ break;
+ case TVBU_BYTE:
+ x = n; normalize(&x, &u, 1024); gprintf(gops, go, "%.3f %sB ", x, u);
+ what = whats = "B"; scale = 1024;
+ break;
+ default:
+ abort();
+ }
+
+ x = tm->t; normalize(&x, &u, 1000);
+ gprintf(gops, go, "in %.3f %ss", x, u);
+ if (tm->f&BTF_CYOK) {
+ x = tm->cy; normalize(&x, &u, 1000);
+ gprintf(gops, go, " (%.3f %scy)", x, u);
+ }
+ gprintf(gops, go, ": ");
+
+ x = n/tm->t; normalize(&x, &u, scale);
+ gprintf(gops, go, "%.3f %s%s/s", x, u, whats);
+ x = tm->t/n; normalize(&x, &u, 1000);
+ gprintf(gops, go, ", %.3f %ss/%s", x, u, what);
+ if (tm->f&BTF_CYOK) {
+ x = tm->cy/n; normalize(&x, &u, 1000);
+ gprintf(gops, go, " (%.3f %scy/%s)", x, u, what);
+ }
+}
+
/*----- Benchmark environment scaffolding ---------------------------------*/
/* --- @tvec_benchsetup@ --- *
* @const char *var@ = variable name to set
* @void *ctx@ = context pointer
*
- * Returns: Zero on success, @-1@ on failure.
+ * Returns: %$+1$% on success, %$0$% if the variable name was not
+ * recognized, or %$-1$% on any other error.
*
* Use: Set a special variable. The following special variables are
* supported.
if (subenv && subenv->before) subenv->before(tv, bc->subctx);
}
-/* --- @tvec_benchafter@ --- *
- *
- * Arguments: @struct tvec_state *tv@ = test vector state
- * @void *ctx@ = context pointer
- *
- * Returns: ---
- *
- * Use: Invoke the subordinate environment's @after@ function to
- * clean up after the benchmark.
- */
-
-void tvec_benchafter(struct tvec_state *tv, void *ctx)
-{
- struct tvec_benchctx *bc = ctx;
- const struct tvec_benchenv *be = bc->be;
- const struct tvec_env *subenv = be->env;
-
- /* Restore the benchmark state's old target. */
- bc->bst->target_s = bc->dflt_target;
- bc->f &= ~TVBF_SETTRG;
-
- /* Pass the call on to the subsidiary environment. */
- if (subenv && subenv->after) subenv->after(tv, bc->subctx);
-}
-
-/* --- @tvec_benchteardown@ --- *
- *
- * Arguments: @struct tvec_state *tv@ = test vector state
- * @void *ctx@ = context pointer
- *
- * Returns: ---
- *
- * Use: Tear down the benchmark environment.
- */
-
-void tvec_benchteardown(struct tvec_state *tv, void *ctx)
-{
- struct tvec_benchctx *bc = ctx;
- const struct tvec_benchenv *be;
- const struct tvec_env *subenv;
-
- be = bc->be; subenv = be->env;
-
- /* Tear down any subsidiary environment. */
- if (subenv && subenv->teardown)
- subenv->teardown(tv, bc->subctx);
-
- /* If the benchmark state was temporary, then dispose of it. */
- if (bc->bst) {
- if (be->bst) bc->bst->target_s = bc->dflt_target;
- else { bench_destroy(bc->bst); xfree(bc->bst); }
- }
-}
-
-/*----- Measurement machinery ---------------------------------------------*/
-
-/* --- @benchloop_...@ --- *
- *
- * Arguments: @unsigned long n@ = iteration count
- * @void *ctx@ = benchmark running context
- *
- * Returns: ---
- *
- * Use: Run various kinds of benchmarking loops.
- *
- * * The @..._outer_...@ functions call the underlying
- * function @n@ times in a loop; by contrast, the
- * @..._inner_...@ functions set a register value to the
- * chosen iteration count and expect the underlying function
- * to perform the loop itself.
- *
- * * The @..._direct@ functions just call the underlying test
- * function directly (though still through an `indirect
- * jump' instruction); by contrast, the @..._indirect@
- * functions invoke a subsidiary environment's @run@
- * function, which adds additional overhead.
- */
-
-static void benchloop_outer_direct(unsigned long n, void *ctx)
-{
- struct benchrun *r = ctx;
- tvec_testfn *fn = r->fn; void *tctx = r->ctx;
- const struct tvec_reg *in = r->in; struct tvec_reg *out = r->out;
-
- while (n--) fn(in, out, tctx);
-}
-
-static void benchloop_inner_direct(unsigned long n, void *ctx)
- { struct benchrun *r = ctx; *r->n = n; r->fn(r->in, r->out, r->ctx); }
-
-static void benchloop_outer_indirect(unsigned long n, void *ctx)
-{
- struct benchrun *r = ctx;
- struct tvec_state *tv = r->tv;
- void (*run)(struct tvec_state *, tvec_testfn, void *) = r->env->run;
- tvec_testfn *fn = r->fn; void *tctx = r->ctx;
-
- while (n--) run(tv, fn, tctx);
-}
-
-static void benchloop_inner_indirect(unsigned long n, void *ctx)
- { struct benchrun *r = ctx; *r->n = n; r->env->run(r->tv, r->fn, r->ctx); }
-
/* --- @tvec_benchrun@ --- *
*
* Arguments: @struct tvec_state *tv@ = test vector state
#undef f_any
}
-/*----- Output utilities --------------------------------------------------*/
-
-/* --- @tvec_benchreport@ --- *
+/* --- @tvec_benchafter@ --- *
*
- * Arguments: @const struct gprintf_ops *gops@ = print operations
- * @void *go@ = print destination
- * @unsigned unit@ = the unit being measured (~TVBU_...@)
- * @const struct bench_timing *tm@ = the benchmark result
+ * Arguments: @struct tvec_state *tv@ = test vector state
+ * @void *ctx@ = context pointer
*
* Returns: ---
*
- * Use: Formats a report about the benchmark performance. This
- * function is intended to be called on by an output
- * @ebench@ function.
+ * Use: Invoke the subordinate environment's @after@ function to
+ * clean up after the benchmark.
*/
-void tvec_benchreport(const struct gprintf_ops *gops, void *go,
- unsigned unit, const struct bench_timing *tm)
+void tvec_benchafter(struct tvec_state *tv, void *ctx)
{
- double scale, x, n = tm->n;
- const char *u, *what, *whats;
+ struct tvec_benchctx *bc = ctx;
+ const struct tvec_benchenv *be = bc->be;
+ const struct tvec_env *subenv = be->env;
- if (!tm) { gprintf(gops, go, "benchmark FAILED"); return; }
+ /* Restore the benchmark state's old target. */
+ bc->bst->target_s = bc->dflt_target;
+ bc->f &= ~TVBF_SETTRG;
- assert(tm->f&BTF_TIMEOK);
+ /* Pass the call on to the subsidiary environment. */
+ if (subenv && subenv->after) subenv->after(tv, bc->subctx);
+}
- switch (unit) {
- case TVBU_OP:
- gprintf(gops, go, "%.0f iterations ", n);
- what = "op"; whats = "ops"; scale = 1000;
- break;
- case TVBU_BYTE:
- x = n; normalize(&x, &u, 1024); gprintf(gops, go, "%.3f %sB ", x, u);
- what = whats = "B"; scale = 1024;
- break;
- default:
- abort();
- }
+/* --- @tvec_benchteardown@ --- *
+ *
+ * Arguments: @struct tvec_state *tv@ = test vector state
+ * @void *ctx@ = context pointer
+ *
+ * Returns: ---
+ *
+ * Use: Tear down the benchmark environment.
+ */
- x = tm->t; normalize(&x, &u, 1000);
- gprintf(gops, go, "in %.3f %ss", x, u);
- if (tm->f&BTF_CYOK) {
- x = tm->cy; normalize(&x, &u, 1000);
- gprintf(gops, go, " (%.3f %scy)", x, u);
- }
- gprintf(gops, go, ": ");
+void tvec_benchteardown(struct tvec_state *tv, void *ctx)
+{
+ struct tvec_benchctx *bc = ctx;
+ const struct tvec_benchenv *be;
+ const struct tvec_env *subenv;
- x = n/tm->t; normalize(&x, &u, scale);
- gprintf(gops, go, "%.3f %s%s/s", x, u, whats);
- x = tm->t/n; normalize(&x, &u, 1000);
- gprintf(gops, go, ", %.3f %ss/%s", x, u, what);
- if (tm->f&BTF_CYOK) {
- x = tm->cy/n; normalize(&x, &u, 1000);
- gprintf(gops, go, " (%.3f %scy/%s)", x, u, what);
+ be = bc->be; subenv = be->env;
+
+ /* Tear down any subsidiary environment. */
+ if (subenv && subenv->teardown)
+ subenv->teardown(tv, bc->subctx);
+
+ /* If the benchmark state was temporary, then dispose of it. */
+ if (bc->bst) {
+ if (be->bst) bc->bst->target_s = bc->dflt_target;
+ else { bench_destroy(bc->bst); xfree(bc->bst); }
}
}
~mdw / mLib / blobdiff