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intel/fs: report max register pressure in shader stats

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Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Ivan Briano <ivan.briano@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21756>
This commit is contained in:
Lionel Landwerlin
2023-02-03 17:02:28 +01:00
committed by Marge Bot
parent 8dd960e056
commit 09cdb77a92
14 changed files with 47 additions and 14 deletions
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src/intel/compiler/brw_fs.cpp
+23 -2
View File
@@ -6456,6 +6456,18 @@ fs_visitor::fixup_nomask_control_flow()
return progress;
}
uint32_t
fs_visitor::compute_max_register_pressure()
{
const register_pressure &rp = regpressure_analysis.require();
uint32_t ip = 0, max_pressure = 0;
foreach_block_and_inst(block, backend_instruction, inst, cfg) {
max_pressure = MAX2(max_pressure, rp.regs_live_at_ip[ip]);
ip++;
}
return max_pressure;
}
void
fs_visitor::allocate_registers(bool allow_spilling)
{
@@ -6475,6 +6487,9 @@ fs_visitor::allocate_registers(bool allow_spilling)
"lifo"
};
if (needs_register_pressure)
shader_stats.max_register_pressure = compute_max_register_pressure();
bool spill_all = allow_spilling && INTEL_DEBUG(DEBUG_SPILL_FS);
/* Before we schedule anything, stash off the instruction order as an array
@@ -7443,6 +7458,7 @@ brw_compile_fs(const struct brw_compiler *compiler,
v8 = std::make_unique<fs_visitor>(compiler, params->log_data, mem_ctx, &key->base,
&prog_data->base, nir, 8,
params->stats != NULL,
debug_enabled);
if (!v8->run_fs(allow_spilling, false /* do_rep_send */)) {
params->error_str = ralloc_strdup(mem_ctx, v8->fail_msg);
@@ -7485,6 +7501,7 @@ brw_compile_fs(const struct brw_compiler *compiler,
/* Try a SIMD16 compile */
v16 = std::make_unique<fs_visitor>(compiler, params->log_data, mem_ctx, &key->base,
&prog_data->base, nir, 16,
params->stats != NULL,
debug_enabled);
v16->import_uniforms(v8.get());
if (!v16->run_fs(allow_spilling, params->use_rep_send)) {
@@ -7512,6 +7529,7 @@ brw_compile_fs(const struct brw_compiler *compiler,
/* Try a SIMD32 compile */
v32 = std::make_unique<fs_visitor>(compiler, params->log_data, mem_ctx, &key->base,
&prog_data->base, nir, 32,
params->stats != NULL,
debug_enabled);
v32->import_uniforms(v8.get());
if (!v32->run_fs(allow_spilling, false)) {
@@ -7789,7 +7807,8 @@ brw_compile_cs(const struct brw_compiler *compiler,
key->base.robust_buffer_access);
v[simd] = std::make_unique<fs_visitor>(compiler, params->log_data, mem_ctx, &key->base,
&prog_data->base, shader, dispatch_width,
&prog_data->base, shader, dispatch_width,
params->stats != NULL,
debug_enabled);
const int first = brw_simd_first_compiled(simd_state);
@@ -7922,7 +7941,9 @@ compile_single_bs(const struct brw_compiler *compiler, void *log_data,
v[simd] = std::make_unique<fs_visitor>(compiler, log_data, mem_ctx, &key->base,
&prog_data->base, shader,
dispatch_width, debug_enabled);
dispatch_width,
stats != NULL,
debug_enabled);
const bool allow_spilling = !brw_simd_any_compiled(simd_state);
if (v[simd]->run_bs(allow_spilling)) {