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generated by cgit v0.12 at 2026-04-03 16:17:41 (GMT)
_ERROR; + } + break; + case TMRT_CALIBRATE: + calibrate = objv[i]; + break; + } + } + + if (i >= objc || i < objc-2) { +usage: + Tcl_WrongNumArgs(interp, 1, objv, "?-direct? ?-calibrate? ?-overhead double? command ?time?"); + return TCL_ERROR; + } + objPtr = objv[i++]; + if (i < objc) { + result = TclGetWideIntFromObj(interp, objv[i], &maxms); + if (result != TCL_OK) { + return result; + } + } + + /* if calibrate */ + if (calibrate) { + + /* if no time specified for the calibration */ + if (maxms == -0x7FFFFFFFFFFFFFFFL) { + Tcl_Obj *clobjv[6]; + Tcl_WideInt maxCalTime = 5000; + double lastMeasureOverhead = measureOverhead; + + clobjv[0] = objv[0]; + i = 1; + if (direct) { + clobjv[i++] = direct; + } + clobjv[i++] = objPtr; + + /* reset last measurement overhead */ + measureOverhead = (double)0; + + /* self-call with 100 milliseconds to warm-up, + * before entering the calibration cycle */ + TclNewLongObj(clobjv[i], 100); + Tcl_IncrRefCount(clobjv[i]); + result = Tcl_TimeRateObjCmd(dummy, interp, i+1, clobjv); + Tcl_DecrRefCount(clobjv[i]); + if (result != TCL_OK) { + return result; + } + + i--; + clobjv[i++] = calibrate; + clobjv[i++] = objPtr; + + /* set last measurement overhead to max */ + measureOverhead = (double)0x7FFFFFFFFFFFFFFFL; + + /* calibration cycle until it'll be preciser */ + maxms = -1000; + do { + lastMeasureOverhead = measureOverhead; + TclNewLongObj(clobjv[i], (int)maxms); + Tcl_IncrRefCount(clobjv[i]); + result = Tcl_TimeRateObjCmd(dummy, interp, i+1, clobjv); + Tcl_DecrRefCount(clobjv[i]); + if (result != TCL_OK) { + return result; + } + maxCalTime += maxms; + /* increase maxms for preciser calibration */ + maxms -= (-maxms / 4); + /* as long as new value more as 0.05% better */ + } while ( (measureOverhead >= lastMeasureOverhead + || measureOverhead / lastMeasureOverhead <= 0.9995) + && maxCalTime > 0 + ); + + return result; + } + if (maxms == 0) { + /* reset last measurement overhead */ + measureOverhead = 0; + Tcl_SetObjResult(interp, Tcl_NewLongObj(0)); + return TCL_OK; + } + + /* if time is negative - make current overhead more precise */ + if (maxms > 0) { + /* set last measurement overhead to max */ + measureOverhead = (double)0x7FFFFFFFFFFFFFFFL; + } else { + maxms = -maxms; + } + + } + + if (maxms == -0x7FFFFFFFFFFFFFFFL) { + maxms = 1000; + } + if (overhead == -1) { + overhead = measureOverhead; + } + + /* be sure that resetting of result will not smudge the further measurement */ + Tcl_ResetResult(interp); + + /* compile object */ + if (!direct) { + if (TclInterpReady(interp) != TCL_OK) { + return TCL_ERROR; + } + codePtr = TclCompileObj(interp, objPtr, NULL, 0); + TclPreserveByteCode(codePtr); + } + + /* get start and stop time */ +#ifndef TCL_WIDE_CLICKS + Tcl_GetTime(&now); + start = now.sec; start *= 1000000; start += now.usec; +#else + start = TclpGetWideClicks(); +#endif + + /* start measurement */ + stop = start + maxms * 1000; + middle = start; + while (1) { + /* eval single iteration */ + count++; + + if (!direct) { + /* precompiled */ + rootPtr = TOP_CB(interp); + result = TclNRExecuteByteCode(interp, codePtr); + result = TclNRRunCallbacks(interp, result, rootPtr); + } else { + /* eval */ + result = TclEvalObjEx(interp, objPtr, 0, NULL, 0); + } + if (result != TCL_OK) { + goto done; + } + + /* don't check time up to threshold */ + if (--threshold > 0) continue; + + /* check stop time reached, estimate new threshold */ + #ifndef TCL_WIDE_CLICKS + Tcl_GetTime(&now); + middle = now.sec; middle *= 1000000; middle += now.usec; + #else + middle = TclpGetWideClicks(); + #endif + if (middle >= stop) { + break; + } + /* average iteration time in microsecs */ + threshold = (middle - start) / count; + if (threshold > maxIterTm) { + maxIterTm = threshold; + } + /* as relation between remaining time and time since last check */ + threshold = ((stop - middle) / maxIterTm) / 4; + if (threshold > 100000) { /* fix for too large threshold */ + threshold = 100000; + } + } + + { + Tcl_Obj *objarr[8], **objs = objarr; + Tcl_WideInt val; + const char *fmt; + + middle -= start; /* execution time in microsecs */ + + /* if not calibrate */ + if (!calibrate) { + /* minimize influence of measurement overhead */ + if (overhead > 0) { + /* estimate the time of overhead (microsecs) */ + Tcl_WideInt curOverhead = overhead * count; + if (middle > curOverhead) { + middle -= curOverhead; + } else { + middle = 1; + } + } + } else { + /* calibration - obtaining new measurement overhead */ + if (measureOverhead > (double)middle / count) { + measureOverhead = (double)middle / count; + } + objs[0] = Tcl_NewDoubleObj(measureOverhead); + TclNewLiteralStringObj(objs[1], "\xC2\xB5s/#-overhead"); /* mics */ + objs += 2; + } + + val = middle / count; /* microsecs per iteration */ + if (val >= 1000000) { + objs[0] = Tcl_NewWideIntObj(val); + } else { + if (val < 10) { fmt = "%.6f"; } else + if (val < 100) { fmt = "%.4f"; } else + if (val < 1000) { fmt = "%.3f"; } else + if (val < 10000) { fmt = "%.2f"; } else + { fmt = "%.1f"; }; + objs[0] = Tcl_ObjPrintf(fmt, ((double)middle)/count); + } + + objs[2] = Tcl_NewWideIntObj(count); /* iterations */ + + /* calculate speed as rate (count) per sec */ + if (!middle) middle++; /* +1 ms, just to avoid divide by zero */ + if (count < (0x7FFFFFFFFFFFFFFFL / 1000000)) { + val = (count * 1000000) / middle; + if (val < 100000) { + if (val < 100) { fmt = "%.3f"; } else + if (val < 1000) { fmt = "%.2f"; } else + { fmt = "%.1f"; }; + objs[4] = Tcl_ObjPrintf(fmt, ((double)(count * 1000000)) / middle); + } else { + objs[4] = Tcl_NewWideIntObj(val); + } + } else { + objs[4] = Tcl_NewWideIntObj((count / middle) * 1000000); + } + + /* estimated net execution time (in millisecs) */ + if (!calibrate) { + objs[6] = Tcl_ObjPrintf("%.3f", (double)middle / 1000); + TclNewLiteralStringObj(objs[7], "nett-ms"); + } + + /* + * Construct the result as a list because many programs have always parsed + * as such (extracting the first element, typically). + */ + + TclNewLiteralStringObj(objs[1], "\xC2\xB5s/#"); /* mics/# */ + TclNewLiteralStringObj(objs[3], "#"); + TclNewLiteralStringObj(objs[5], "#/sec"); + Tcl_SetObjResult(interp, Tcl_NewListObj(8, objarr)); + } + +done: + + if (codePtr != NULL) { + TclReleaseByteCode(codePtr); + } + + return result; +} + +/* + *---------------------------------------------------------------------- + * * Tcl_TryObjCmd, TclNRTryObjCmd -- * * This procedure is invoked to process the "try" Tcl command. See the -- cgit v0.12 From d05b600d32d4e5a5bf8c06244a5fc1a0368ff87c Mon Sep 17 00:00:00 2001 From: sebres Date: Mon, 9 Jan 2017 19:31:08 +0000 Subject: missing entry of tclInt.h added --- generic/tclInt.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/generic/tclInt.h b/generic/tclInt.h index dd0c11a..1b37d84 100644 --- a/generic/tclInt.h +++ b/generic/tclInt.h @@ -3461,6 +3461,9 @@ MODULE_SCOPE int Tcl_ThrowObjCmd(ClientData dummy, Tcl_Interp *interp, MODULE_SCOPE int Tcl_TimeObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); +MODULE_SCOPE int Tcl_TimeRateObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); MODULE_SCOPE int Tcl_TraceObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); -- cgit v0.12 From de7fe4dd0fea3795e66e91109721ce68c5d7005b Mon Sep 17 00:00:00 2001 From: sebres Date: Mon, 9 Jan 2017 19:33:23 +0000 Subject: [win] load win-registry library also in development environment (uninstalled) ---