342 lines
11 KiB
C
342 lines
11 KiB
C
#include <gint/display.h>
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#include <gint/keyboard.h>
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#include <gint/hardware.h>
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#include <gint/dma.h>
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#include <gint/mmu.h>
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#include <gintctl/perf.h>
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#include <gintctl/util.h>
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#include <gintctl/assets.h>
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#include <libprof.h>
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#include <string.h>
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#include <stdlib.h>
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#ifdef FXCG50
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//---
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// Functions for read/write access patterns
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//---
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/* Tight asm reads of different sizes. SPU2 memory only supports 32-bit */
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extern void mem_read8 (void *mem, int size);
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extern void mem_read16 (void *mem, int size);
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extern void mem_read32 (void *mem, int size);
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/* Right asm writes of different sizes. SPU2 memory only supports 32-bit */
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extern void mem_write8 (void *mem, int size);
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extern void mem_write16 (void *mem, int size);
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extern void mem_write32 (void *mem, int size);
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/* Same using the DSP's XRAM addressing instructions (movx) */
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extern void mem_dspx_read16 (void *mem, int size);
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extern void mem_dspx_read32 (void *mem, int size);
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extern void mem_dspx_write16 (void *mem, int size);
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extern void mem_dspx_write32 (void *mem, int size);
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/* Same with the DSP's external addressing instructions (movs) */
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extern void mem_dsps_read16 (void *mem, int size);
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extern void mem_dsps_read32 (void *mem, int size);
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extern void mem_dsps_write16 (void *mem, int size);
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extern void mem_dsps_write32 (void *mem, int size);
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/* 32-byte-aligned dma_memset() */
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extern void *dma_memset (void *mem, uint32_t pattern, size_t size);
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/* Copy with same-sized reads and writes (LS pipe saturated by unrolling) */
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extern void mem_copy8 (void *dst, void *src, int size);
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extern void mem_copy16 (void *dst, void *src, int size);
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extern void mem_copy32 (void *dst, void *src, int size);
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/* Same with DSP's XRAM -> YRAM addressing instructions (movx/movy) */
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extern void mem_dspxy_copy16 (void *dst, void *src, int size);
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extern void mem_dspxy_copy32 (void *dst, void *src, int size);
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/* Copy using 32-byte-aligned DMA access in burst mode */
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extern void *dma_memcpy (void *dst, void const *src, size_t size);
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//---
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// Areas to check performance for
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//---
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#define READONLY 0x0001
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#define ONLY32BIT 0x0002
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#define DSPXRAM 0x0004
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#define VIRTUAL 0x0008
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GILRAM GALIGNED(32) static char ilram_buffer[0x800];
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GXRAM GALIGNED(32) static char xram_buffer[0x800];
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// GYRAM GALIGNED(32) static char yram_buffer[0x800];
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#define pram0_buffer ((void *)0xfe200000)
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typedef struct
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{
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void *pointer;
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int size;
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/* How many rounds per test, to compensate for small size */
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int rounds;
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/* Flags for which tests to perform */
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int flags;
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} region_t;
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/* Some pretty random selection of each region of interest */
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region_t ROM_CF_MMU = { (void*)0x00300000, 2048, 16, READONLY | VIRTUAL };
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region_t ROM_CU_MMU = { (void*)0x00300000, 65536, 1, READONLY | VIRTUAL };
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region_t ROM_CF = { (void*)0x80000000, 2048, 16, READONLY };
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region_t ROM_CU = { (void*)0x80000000, 65536, 1, READONLY };
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region_t ROM_NC = { (void*)0xa0000000, 2048, 16, READONLY };
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region_t RAM_CF_MMU = { (void*)0x08100000, 2048, 16, READONLY };
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region_t RAM_CU_MMU = { (void*)0x08100000, 65536, 1, READONLY };
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region_t RAM_CF = { (void*)0x8c200000, 2048, 16, 0 };
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region_t RAM_CU = { (void*)0x8c200000, 65536, 1, 0 };
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region_t RAM_NC = { (void*)0xac200000, 2048, 16, 0 };
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region_t ILRAM = { ilram_buffer, 2048, 64, 0 };
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region_t XRAM = { xram_buffer, 2048, 64, DSPXRAM };
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region_t PRAM0 = { pram0_buffer, 2048, 16, ONLY32BIT };
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region_t const *REGIONS[] = {
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&ROM_CF_MMU, &ROM_CU_MMU, &ROM_CF, &ROM_CU, &ROM_NC,
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&RAM_CF_MMU, &RAM_CU_MMU, &RAM_CF, &RAM_CU, &RAM_NC,
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&ILRAM, &XRAM, &PRAM0,
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};
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char const *REGIONS_NAMES[] = {
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"ROM (cached, MMU)", "ROM (cached linear, MMU)",
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"ROM (cached, no MMU)", "ROM (cached linear, no MMU)",
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"ROM (uncached, no MMU)",
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"RAM (cached, MMU)", "RAM (cached linear, MMU)",
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"RAM (cached, no MMU)", "RAM (cached linear, no MMU)",
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"RAM (uncached, no MMU)",
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"ILRAM", "XRAM", "PRAM0",
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};
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#define REGIONS_COUNT ((int)(sizeof REGIONS / sizeof REGIONS[0]))
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//---
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// Result information
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//---
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typedef struct
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{
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int mem_read8, mem_read16, mem_read32;
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int mem_write8, mem_write16, mem_write32;
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int dma_memset;
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union {
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struct {
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int mem_dspx_read16, mem_dspx_read32;
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int mem_dspx_write16, mem_dspx_write32;
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};
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struct {
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int mem_dsps_read16, mem_dsps_read32;
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int mem_dsps_write16, mem_dsps_write32;
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};
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};
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} GPACKED(4) counters_t;
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typedef struct
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{
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/* In µs, counting all rounds */
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counters_t time;
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/* In kB/s overall */
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counters_t speed;
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} GPACKED(4) info_t;
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//---
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// Running tests over a single region
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//---
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static void benchmark(region_t const *region, info_t *info)
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{
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/* Initialize all times and rates to -1 */
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memset(info, 0xff, sizeof *info);
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int f = region->flags;
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if(~f & ONLY32BIT)
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info->time.mem_read8 = prof_exec({
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for(int i = 0; i < region->rounds; i++)
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mem_read8(region->pointer, region->size);
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});
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if(~f & ONLY32BIT)
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info->time.mem_read16 = prof_exec({
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for(int i = 0; i < region->rounds; i++)
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mem_read16(region->pointer, region->size);
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});
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info->time.mem_read32 = prof_exec({
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for(int i = 0; i < region->rounds; i++)
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mem_read32(region->pointer, region->size);
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});
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if((~f & READONLY) && (~f & ONLY32BIT))
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info->time.mem_write8 = prof_exec({
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for(int i = 0; i < region->rounds; i++)
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mem_write8(region->pointer, region->size);
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});
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if((~f & READONLY) && (~f & ONLY32BIT))
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info->time.mem_write16 = prof_exec({
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for(int i = 0; i < region->rounds; i++)
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mem_write16(region->pointer, region->size);
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});
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if(~f & READONLY)
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info->time.mem_write32 = prof_exec({
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for(int i = 0; i < region->rounds; i++)
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mem_write32(region->pointer, region->size);
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});
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if((~f & READONLY) && (~f & VIRTUAL))
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info->time.dma_memset = prof_exec({
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for(int i = 0; i < region->rounds; i++)
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dma_memset(region->pointer, 0, region->size);
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});
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if(f & DSPXRAM) {
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info->time.mem_dspx_read16 = prof_exec({
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for(int i = 0; i < region->rounds; i++)
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mem_dspx_read16(region->pointer, region->size);
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});
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info->time.mem_dspx_read32 = prof_exec({
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for(int i = 0; i < region->rounds; i++)
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mem_dspx_read32(region->pointer, region->size);
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});
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info->time.mem_dspx_write16 = prof_exec({
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for(int i = 0; i < region->rounds; i++)
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mem_dspx_write16(region->pointer, region->size);
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});
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info->time.mem_dspx_write32 = prof_exec({
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for(int i = 0; i < region->rounds; i++)
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mem_dspx_write32(region->pointer, region->size);
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});
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}
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if((~f & DSPXRAM) && (~f & ONLY32BIT))
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info->time.mem_dsps_read16 = prof_exec({
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for(int i = 0; i < region->rounds; i++)
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mem_dsps_read16(region->pointer, region->size);
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});
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if(~f & DSPXRAM)
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info->time.mem_dsps_read32 = prof_exec({
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for(int i = 0; i < region->rounds; i++)
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mem_dsps_read32(region->pointer, region->size);
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});
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if((~f & DSPXRAM) && (~f & ONLY32BIT) && (~f & READONLY))
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info->time.mem_dsps_write16 = prof_exec({
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for(int i = 0; i < region->rounds; i++)
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mem_dsps_write16(region->pointer, region->size);
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});
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if((~f & DSPXRAM) && (~f & READONLY))
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info->time.mem_dsps_write32 = prof_exec({
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for(int i = 0; i < region->rounds; i++)
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mem_dsps_write32(region->pointer, region->size);
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});
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/* Cheeky method to read all ints in such a packed struct */
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int *time = (int *)&info->time;
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int *speed = (int *)&info->speed;
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int entry_count = sizeof(counters_t) / sizeof(int);
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/* Conversion from [µs for every size bytes] to [kB for every 1 second] */
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uint64_t conv = region->size * 1000 * region->rounds;
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for(int i = 0; i < entry_count; i++) {
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if(time[i] != -1)
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speed[i] = conv / time[i];
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}
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}
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//---
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// Main interface
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//---
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void print_speed(int x, int y, int us, int kBps)
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{
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if(us == -1 && kBps == -1) {
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dprint_opt(x, y, C_BLACK, C_NONE, DTEXT_CENTER, DTEXT_MIDDLE, "-");
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return;
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}
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dprint_opt(x, y-2, C_BLACK, C_NONE, DTEXT_CENTER, DTEXT_BOTTOM,
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"%d us", us);
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char const *fmt;
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if(kBps >= 100000) {
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fmt = "%.1D M/s";
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kBps /= 100;
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}
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else {
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fmt = "%.2D M/s";
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kBps /= 10;
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}
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dprint_opt(x, y+1, C_BLACK, C_NONE, DTEXT_CENTER, DTEXT_TOP, fmt, kBps);
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}
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#define print_speed(x, y, FIELD) \
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print_speed(x, y, info[selection].time.FIELD, info[selection].speed.FIELD)
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/* gintctl_perf_memory(): Memory primitives and reading/writing speed */
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void gintctl_perf_memory(void)
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{
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// TODO: Also test copy speed
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int key=0, selection=0;
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info_t *info = malloc(REGIONS_COUNT * sizeof *info);
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memset(info, 0xff, REGIONS_COUNT * sizeof *info);
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while(key != KEY_EXIT) {
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dclear(C_WHITE);
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row_title("Memory read/write speed");
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dprint_opt(DWIDTH/2, row_y(1), C_BLACK, C_NONE, DTEXT_CENTER,
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DTEXT_TOP, "[%d/%d] %s", selection+1, REGIONS_COUNT,
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REGIONS_NAMES[selection]);
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/* row_print(2, 1, "%p (%d bytes, %d rounds)",
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REGIONS[selection]->pointer,
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REGIONS[selection]->size,
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REGIONS[selection]->rounds); */
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row_print(2, 1, "%p (%d * %d = %d)", info, REGIONS_COUNT, sizeof *info,
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REGIONS_COUNT * sizeof *info);
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dprint_opt(150, 53, C_BLACK, C_NONE, DTEXT_CENTER, DTEXT_TOP,
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"8-bit");
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dprint_opt(240, 53, C_BLACK, C_NONE, DTEXT_CENTER, DTEXT_TOP,
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"16-bit");
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dprint_opt(330, 53, C_BLACK, C_NONE, DTEXT_CENTER, DTEXT_TOP,
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"32-bit");
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dprint(6, 74, C_BLACK, "CPU read:");
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print_speed(150, 78, mem_read8);
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print_speed(240, 78, mem_read16);
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print_speed(330, 78, mem_read32);
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dprint(6, 102, C_BLACK, "CPU write:");
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print_speed(150, 106, mem_write8);
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print_speed(240, 106, mem_write16);
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print_speed(330, 106, mem_write32);
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dprint(6, 130, C_BLACK, "DSP read:");
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print_speed(240, 134, mem_dsps_read16);
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print_speed(330, 134, mem_dsps_read32);
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dprint(6, 158, C_BLACK, "DSP write:");
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print_speed(240, 162, mem_dsps_write16);
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print_speed(330, 162, mem_dsps_write32);
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dprint(6, 186, C_BLACK, "dma_memset:");
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print_speed(150, 190, dma_memset);
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if(selection > 0)
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dprint(10, row_y(1), C_BLACK, "<");
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if(selection < REGIONS_COUNT - 1)
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dprint(DWIDTH-15, row_y(1), C_BLACK, ">");
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fkey_button(6, "RUN ALL");
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dupdate();
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key = getkey().key;
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if(key == KEY_LEFT && selection > 0)
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selection--;
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if(key == KEY_RIGHT && selection < REGIONS_COUNT-1)
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selection++;
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if(key == KEY_F6) {
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for(int i = 0; i < REGIONS_COUNT; i++)
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benchmark(REGIONS[i], &info[i]);
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}
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}
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free(info);
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}
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#endif /* FXCG50 */
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