* \email daniel.otte@rub.de
* \date 2009-05-10
* \license GPLv3 or later
- *
+ *
*/
#include "hfal-performance.h"
#include "hashfunction_descriptor.h"
+#include "stack_measuring.h"
#include "cli.h"
#include "performance_test.h"
#include <stdint.h>
#include <string.h>
#include <avr/pgmspace.h>
+#define PATTERN_A 0xAA
+#define PATTERN_B 0x55
static
-void printvalue(unsigned int v){
+void printvalue(unsigned long v){
char str[20];
int i;
ultoa(v, str, 10);
uint8_t data[(hf.blocksize_b+7)/8];
uint8_t digest[(hf.hashsize_b+7)/8];
uint64_t t;
-
+ uint8_t i;
+
if(hf.type!=HFDESC_TYPE_HASHFUNCTION)
return;
calibrateTimer();
+ print_overhead();
cli_putstr_P(PSTR("\r\n\r\n === "));
cli_putstr_P(hf.name);
cli_putstr_P(PSTR(" performance === "
- "\r\n type: hash"
+ "\r\n type: hashfunction"
"\r\n hashsize (bits): "));
printvalue(hf.hashsize_b);
-
+
cli_putstr_P(PSTR("\r\n ctxsize (bytes): "));
printvalue(hf.ctxsize_B);
-
+
cli_putstr_P(PSTR("\r\n blocksize (bits): "));
printvalue(hf.blocksize_b);
-
- startTimer(0);
- START_TIMER;
- hf.init(&ctx);
- STOP_TIMER;
- t = stopTimer();
+
+ t=0;
+ for(i=0; i<32; ++i){
+ startTimer(0);
+ START_TIMER;
+ hf.init(&ctx);
+ STOP_TIMER;
+ t += stopTimer();
+ if(i!=31 && hf.free){
+ hf.free(&ctx);
+ }
+ }
+ t>>=5;
cli_putstr_P(PSTR("\r\n init (cycles): "));
printvalue(t);
-
- startTimer(0);
- START_TIMER;
- hf.nextBlock(&ctx, data);
- STOP_TIMER;
- t = stopTimer();
+
+ t=0;
+ for(i=0; i<32; ++i){
+ startTimer(0);
+ START_TIMER;
+ hf.nextBlock(&ctx, data);
+ STOP_TIMER;
+ t += stopTimer();
+ }
+ t>>=5;
cli_putstr_P(PSTR("\r\n nextBlock (cycles): "));
printvalue(t);
-
- startTimer(0);
- START_TIMER;
- hf.lastBlock(&ctx, data, 0);
- STOP_TIMER;
- t = stopTimer();
+
+ t=0;
+ for(i=0; i<32; ++i){
+ startTimer(0);
+ START_TIMER;
+ hf.lastBlock(&ctx, data, 0);
+ STOP_TIMER;
+ t += stopTimer();
+ }
+ t>>=5;
cli_putstr_P(PSTR("\r\n lastBlock (cycles): "));
printvalue(t);
-
- startTimer(0);
- START_TIMER;
- hf.ctx2hash(digest, &ctx);
- STOP_TIMER;
- t = stopTimer();
+
+ t=0;
+ for(i=0; i<32; ++i){
+ startTimer(0);
+ START_TIMER;
+ hf.ctx2hash(digest, &ctx);
+ STOP_TIMER;
+ t += stopTimer();
+ }
+ t>>=5;
cli_putstr_P(PSTR("\r\n ctx2hash (cycles): "));
printvalue(t);
+
+ if(hf.free){
+ hf.free(&ctx);
+ }
}
+void hfal_stacksize(const hfdesc_t* hd){
+ hfdesc_t hf;
+ stack_measuring_ctx_t smctx;
+ memcpy_P(&hf, hd, sizeof(hfdesc_t));
+ uint8_t ctx[hf.ctxsize_B];
+ uint8_t data[(hf.blocksize_b+7)/8];
+ uint8_t digest[(hf.hashsize_b+7)/8];
+ uint16_t t1, t2;
+
+ if(hf.type!=HFDESC_TYPE_HASHFUNCTION)
+ return;
+ cli_putstr_P(PSTR("\r\n\r\n === "));
+ cli_putstr_P(hf.name);
+ cli_putstr_P(PSTR(" stack-usage === "));
+
+ cli();
+ stack_measure_init(&smctx, PATTERN_A);
+ hf.init(&ctx);
+ t1 = stack_measure_final(&smctx);
+ stack_measure_init(&smctx, PATTERN_B);
+ hf.init(&ctx);
+ t2 = stack_measure_final(&smctx);
+ sei();
+
+ t1 = (t1>t2)?t1:t2;
+ cli_putstr_P(PSTR("\r\n init (bytes): "));
+ printvalue((unsigned long)t1);
+
+ cli();
+ stack_measure_init(&smctx, PATTERN_A);
+ hf.nextBlock(&ctx, data);
+ t1 = stack_measure_final(&smctx);
+ stack_measure_init(&smctx, PATTERN_B);
+ hf.nextBlock(&ctx, data);
+ t2 = stack_measure_final(&smctx);
+ sei();
+
+ t1 = (t1>t2)?t1:t2;
+ cli_putstr_P(PSTR("\r\n nextBlock (bytes): "));
+ printvalue((unsigned long)t1);
+
+ cli();
+ stack_measure_init(&smctx, PATTERN_A);
+ hf.lastBlock(&ctx, data, 0);
+ t1 = stack_measure_final(&smctx);
+ stack_measure_init(&smctx, PATTERN_B);
+ hf.lastBlock(&ctx, data, 0);
+ t2 = stack_measure_final(&smctx);
+ sei();
+
+ t1 = (t1>t2)?t1:t2;
+ cli_putstr_P(PSTR("\r\n lastBlock (bytes): "));
+ printvalue((unsigned long)t1);
+
+ cli();
+ stack_measure_init(&smctx, PATTERN_A);
+ hf.ctx2hash(digest, &ctx);
+ t1 = stack_measure_final(&smctx);
+ stack_measure_init(&smctx, PATTERN_B);
+ hf.ctx2hash(digest, &ctx);
+ t2 = stack_measure_final(&smctx);
+ sei();
+
+ t1 = (t1>t2)?t1:t2;
+ cli_putstr_P(PSTR("\r\n ctx2hash (bytes): "));
+ printvalue((unsigned long)t1);
+
+ if(hf.free){
+ hf.free(&ctx);
+ }
+}
void hfal_performance_multiple(const hfdesc_t** hd_list){
const hfdesc_t* hd;
for(;;){
hd = (void*)pgm_read_word(hd_list);
- if(!hd)
+ if(!hd){
+ cli_putstr_P(PSTR("\r\n\r\n End of performance figures\r\n"));
return;
+ }
hfal_performance(hd);
+ hfal_stacksize(hd);
hd_list = (void*)((uint8_t*)hd_list + 2);
}
}