diff options
Diffstat (limited to 'bench')
| -rw-r--r-- | bench/raycast.cpp | 90 |
1 files changed, 54 insertions, 36 deletions
diff --git a/bench/raycast.cpp b/bench/raycast.cpp index 79b4ff9d..7f66f920 100644 --- a/bench/raycast.cpp +++ b/bench/raycast.cpp @@ -27,66 +27,84 @@ world make_world() w[global_coords{{0, 1, 0}, { 8, 11}}].t.wall_west() = wall2; w[global_coords{{0, 1, 0}, { 8, 10}}].t.wall_west() = wall2; w[global_coords{{0, 1, 0}, { 7, 10}}].t.wall_north() = wall2; + w[global_coords{{0, 1, 0}, { 6, 10}}].t.wall_north() = wall2; - w[global_coords{{0, 1, 0}, { 8, 8}}].t.wall_north() = wall1; + w[global_coords{{0, 1, 0}, { 9, 8}}].t.wall_north() = wall1; w[global_coords{{0, 1, 0}, {10, 8}}].t.wall_north() = wall1; - w[global_coords{{0, 1, 0}, {12, 8}}].t.wall_west() = wall1; + w[global_coords{{0, 1, 0}, {11, 8}}].t.wall_west() = wall1; w[global_coords{{0, 2, 0}, { 9, 0}}].t.wall_north() = wall1; w[global_coords{{0, 2, 0}, {10, 0}}].t.wall_north() = wall1; - for (int16_t i = -10; i <= 10; i++) - for (int16_t j = -10; j <= 10; j++) + for (int16_t k = -5; k <= -1; k++) + { + auto& ch = w[chunk_coords_{-5, -5, 0}]; + for (unsigned i = 0; i < TILE_MAX_DIM; i++) + { + ch[{(uint8_t)i, 0}].wall_west() = wall1; + ch[{(uint8_t)i, 1}].wall_north() = wall1; + ch[{(uint8_t)i, 2}].wall_north() = wall2; + ch[{(uint8_t)i, 2}].wall_west() = wall2; + } + } + + for (int16_t i = -15; i <= 15; i++) + for (int16_t j = -15; j <= 15; j++) w[{{i, j}, 0}].mark_modified(); return w; } -[[maybe_unused]] void Raycast(benchmark::State& state) +auto run(point from, point to, world& w, bool b, float len) { - constexpr auto run1 = [](world& w, point to, bool b, float len = 0) + constexpr float fuzz = iTILE_SIZE2.x(); + auto diag = rc::raycast_diag_s{}; + auto res = raycast_with_diag(diag, w, from, to, 0); + if (res.success != b) + { + fm_error("success != %s", b ? "true" : "false"); + return false; + } + if (len != 0.f) { - constexpr auto from = point{{0, 0, 0}, {11,12}, {1,-32}}; - constexpr float fuzz = iTILE_SIZE2.x(); - auto diag = rc::raycast_diag_s{}; - auto res = raycast_with_diag(diag, w, from, to, 0); - if (res.success != b) + auto tmin = res.success ? diag.V.length() : diag.tmin; + auto diff = Math::abs(tmin - len); + if (diff > fuzz) { - fm_error("success != %s", b ? "true" : "false"); + fm_error("|tmin=%f - len=%f| > %f", + (double)tmin, (double)len, (double)fuzz); return false; } - if (len > 0) - { - auto tmin = res.success ? diag.V.length() : diag.tmin; - fm_assert(len > 1e-6f); - auto diff = Math::abs(tmin - len); - if (diff > fuzz) - { - fm_error("|tmin=%f - len=%f| > %f", - (double)tmin, (double)len, (double)fuzz); - return false; - } - } - return true; - }; + } + return true; +} +[[maybe_unused]] void Raycast(benchmark::State& state) +{ auto w = make_world(); - const auto run = [&] { - fm_assert(run1(w, point{{ 1, 3, 0}, { 0, 1}, {-21, 23}}, false, 2288)); - fm_assert(run1(w, point{{ 1, 3, 0}, { 8, 10}, {- 9, -13}}, true, 3075)); - fm_assert(run1(w, point{{ 0, 3, 0}, {14, 4}, { 3, 15}}, true, 2614)); - fm_assert(run1(w, point{{ 0, 1, 0}, { 8, 12}, {-27, -19}}, false, 752)); - //fm_assert(run1(w, point{{ 0, 1, 0}, { 7, 11}, {- 8, -21}}, false, 908)); - fm_assert(run1(w, point{{ 2, 33, 0}, {15, 11}, {- 4, 29}}, true, 33809)); + const auto test = [&] { + { constexpr auto from = point{{0, 0, 0}, {11,12}, {1,-32}}; + fm_assert(run(from, point{{ 1, 3, 0}, { 0, 1}, {-21, 23}}, w, false, 2288)); + fm_assert(run(from, point{{ 1, 3, 0}, { 8, 10}, {- 9, -13}}, w, true, 3075)); + fm_assert(run(from, point{{ 0, 3, 0}, {14, 4}, { 3, 15}}, w, true, 2614)); + fm_assert(run(from, point{{ 0, 1, 0}, { 8, 12}, {-27, -19}}, w, false, 752)); + fm_assert(run(from, point{{ 2, 33, 0}, {15, 11}, {- 4, 29}}, w, true, 33809)); + fm_assert(run(from, point{{ 0, 1, 0}, { 6, 13}, {- 3, -11}}, w, false, 913)); + } + { fm_assert(run( point{{ 0, 0, 0}, { 1, 0}, {-17, 17}}, + point{{ 0, - 7, 0}, { 1, 15}, {-11, 5}}, w, true, 6220)); + } }; - run(); + for (int i = 0; i < 50; i++) + test(); for (auto _ : state) - run(); + for (int i = 0; i < 1000; i++) + test(); } -BENCHMARK(Raycast)->Unit(benchmark::kMicrosecond); +BENCHMARK(Raycast)->Unit(benchmark::kMillisecond); } // namespace |