diff --git a/src/panfrost/bifrost/meson.build b/src/panfrost/bifrost/meson.build index ffd17f75ce1..4fe9909e3c5 100644 --- a/src/panfrost/bifrost/meson.build +++ b/src/panfrost/bifrost/meson.build @@ -49,6 +49,7 @@ libpanfrost_bifrost_files = files( 'valhall/va_lower_isel.c', 'valhall/va_optimize.c', 'valhall/va_pack.c', + 'valhall/va_perf.c', 'valhall/va_validate.c', ) diff --git a/src/panfrost/bifrost/valhall/va_perf.c b/src/panfrost/bifrost/valhall/va_perf.c new file mode 100644 index 00000000000..7175302bf25 --- /dev/null +++ b/src/panfrost/bifrost/valhall/va_perf.c @@ -0,0 +1,77 @@ + +/* + * Copyright (C) 2021 Collabora Ltd. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "va_compiler.h" +#include "valhall.h" +#include "bi_builder.h" + +void +va_count_instr_stats(bi_instr *I, struct va_stats *stats) +{ + /* Adjusted for 64-bit arithmetic */ + unsigned words = bi_count_write_registers(I, 0); + + switch (valhall_opcodes[I->op].unit) { + /* Arithmetic is 2x slower for 64-bit than 32-bit */ + case VA_UNIT_FMA: + stats->fma += words; + return; + + case VA_UNIT_CVT: + stats->cvt += words; + return; + + case VA_UNIT_SFU: + stats->sfu += words; + return; + + /* Varying is scaled by 16-bit components interpolated */ + case VA_UNIT_V: + stats->v += (I->vecsize + 1) * + (bi_is_regfmt_16(I->register_format) ? 1 : 2); + return; + + /* We just count load/store and texturing for now */ + case VA_UNIT_LS: + stats->ls++; + return; + + case VA_UNIT_T: + stats->t++; + return; + + /* Fused varying+texture loads 2 FP32 components of varying for texture + * coordinates and then textures */ + case VA_UNIT_VT: + stats->ls += (2 * 2); + stats->t++; + return; + + /* Nothing to do here */ + case VA_UNIT_NONE: + return; + } + + unreachable("Invalid unit"); +}