Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 197,517
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     206,744
Calibration 2     198,903
Calibration 3     197,626
ssj_ops@calibrated=198,264
100% 99.6% 198,264 197,517
90% 90.2% 178,438 178,769
80% 80.0% 158,612 158,539
70% 69.8% 138,785 138,305
60% 59.9% 118,959 118,754
50% 49.9% 99,132 99,007
40% 40.2% 79,306 79,778
30% 30.5% 59,479 60,492
20% 19.6% 39,653 38,935
10% 10.0% 19,826 19,743
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,039,680 1,494
Payment 15,039,682
Order Status 1,503,968
Delivery 1,503,970
Stock Level 1,503,969
Customer Report 15,039,679
Calibration 2 New Order 14,465,829 1,494
Payment 14,465,830
Order Status 1,446,583
Delivery 1,446,582
Stock Level 1,446,583
Customer Report 14,465,832
Calibration 3 New Order 14,374,301 1,494
Payment 14,374,306
Order Status 1,437,430
Delivery 1,437,429
Stock Level 1,437,431
Customer Report 14,374,309
100% 99.6% New Order 14,366,482 1,494
Payment 14,366,482
Order Status 1,436,649
Delivery 1,436,647
Stock Level 1,436,649
Customer Report 14,366,484
90% 90.2% New Order 13,001,563 1,494
Payment 13,001,562
Order Status 1,300,156
Delivery 1,300,156
Stock Level 1,300,156
Customer Report 13,001,561
80% 80.0% New Order 11,530,374 1,494
Payment 11,530,375
Order Status 1,153,038
Delivery 1,153,037
Stock Level 1,153,036
Customer Report 11,530,374
70% 69.8% New Order 10,058,575 1,494
Payment 10,058,575
Order Status 1,005,858
Delivery 1,005,858
Stock Level 1,005,858
Customer Report 10,058,570
60% 59.9% New Order 8,637,191 1,494
Payment 8,637,190
Order Status 863,718
Delivery 863,719
Stock Level 863,719
Customer Report 8,637,191
50% 49.9% New Order 7,201,151 1,494
Payment 7,201,151
Order Status 720,115
Delivery 720,114
Stock Level 720,115
Customer Report 7,201,150
40% 40.2% New Order 5,802,102 1,494
Payment 5,802,097
Order Status 580,210
Delivery 580,210
Stock Level 580,211
Customer Report 5,802,102
30% 30.5% New Order 4,399,657 1,494
Payment 4,399,659
Order Status 439,965
Delivery 439,966
Stock Level 439,967
Customer Report 4,399,658
20% 19.6% New Order 2,831,677 1,494
Payment 2,831,671
Order Status 283,166
Delivery 283,167
Stock Level 283,167
Customer Report 2,831,678
10% 10.0% New Order 1,435,934 1,494
Payment 1,435,938
Order Status 143,594
Delivery 143,593
Stock Level 143,595
Customer Report 1,435,933
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0