Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 185,889
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     197,744
Calibration 2     187,585
Calibration 3     186,313
ssj_ops@calibrated=186,949
100% 99.4% 186,949 185,889
90% 89.8% 168,254 167,895
80% 79.1% 149,559 147,923
70% 69.6% 130,864 130,146
60% 60.2% 112,169 112,460
50% 49.4% 93,474 92,369
40% 40.0% 74,780 74,832
30% 30.0% 56,085 56,175
20% 19.9% 37,390 37,176
10% 10.2% 18,695 19,051
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 14,384,756 1,494
Payment 14,384,755
Order Status 1,438,476
Delivery 1,438,476
Stock Level 1,438,477
Customer Report 14,384,755
Calibration 2 New Order 13,642,928 1,494
Payment 13,642,936
Order Status 1,364,292
Delivery 1,364,292
Stock Level 1,364,293
Customer Report 13,642,926
Calibration 3 New Order 13,551,194 1,494
Payment 13,551,200
Order Status 1,355,119
Delivery 1,355,120
Stock Level 1,355,120
Customer Report 13,551,196
100% 99.4% New Order 13,519,281 1,494
Payment 13,519,279
Order Status 1,351,928
Delivery 1,351,928
Stock Level 1,351,929
Customer Report 13,519,280
90% 89.8% New Order 12,212,082 1,494
Payment 12,212,085
Order Status 1,221,209
Delivery 1,221,208
Stock Level 1,221,209
Customer Report 12,212,082
80% 79.1% New Order 10,758,981 1,494
Payment 10,758,984
Order Status 1,075,898
Delivery 1,075,899
Stock Level 1,075,899
Customer Report 10,758,991
70% 69.6% New Order 9,465,200 1,494
Payment 9,465,207
Order Status 946,522
Delivery 946,519
Stock Level 946,519
Customer Report 9,465,205
60% 60.2% New Order 8,179,097 1,494
Payment 8,179,097
Order Status 817,910
Delivery 817,909
Stock Level 817,908
Customer Report 8,179,094
50% 49.4% New Order 6,717,876 1,494
Payment 6,717,881
Order Status 671,788
Delivery 671,789
Stock Level 671,787
Customer Report 6,717,879
40% 40.0% New Order 5,442,423 1,494
Payment 5,442,424
Order Status 544,243
Delivery 544,242
Stock Level 544,242
Customer Report 5,442,426
30% 30.0% New Order 4,085,588 1,494
Payment 4,085,592
Order Status 408,558
Delivery 408,558
Stock Level 408,558
Customer Report 4,085,593
20% 19.9% New Order 2,703,713 1,494
Payment 2,703,712
Order Status 270,371
Delivery 270,370
Stock Level 270,371
Customer Report 2,703,707
10% 10.2% New Order 1,385,718 1,494
Payment 1,385,722
Order Status 138,572
Delivery 138,572
Stock Level 138,572
Customer Report 1,385,723
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0