Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 195,392
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     204,484
Calibration 2     196,843
Calibration 3     195,998
ssj_ops@calibrated=196,420
100% 99.5% 196,420 195,392
90% 90.8% 176,778 178,441
80% 80.1% 157,136 157,431
70% 70.3% 137,494 138,017
60% 59.9% 117,852 117,712
50% 50.5% 98,210 99,127
40% 40.3% 78,568 79,223
30% 29.9% 58,926 58,714
20% 19.7% 39,284 38,743
10% 9.9% 19,642 19,510
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 14,874,184 1,494
Payment 14,874,180
Order Status 1,487,419
Delivery 1,487,419
Stock Level 1,487,419
Customer Report 14,874,180
Calibration 2 New Order 14,317,501 1,494
Payment 14,317,502
Order Status 1,431,750
Delivery 1,431,749
Stock Level 1,431,749
Customer Report 14,317,504
Calibration 3 New Order 14,255,813 1,494
Payment 14,255,819
Order Status 1,425,582
Delivery 1,425,581
Stock Level 1,425,582
Customer Report 14,255,817
100% 99.5% New Order 14,211,543 1,494
Payment 14,211,545
Order Status 1,421,155
Delivery 1,421,155
Stock Level 1,421,155
Customer Report 14,211,542
90% 90.8% New Order 12,978,649 1,494
Payment 12,978,654
Order Status 1,297,865
Delivery 1,297,866
Stock Level 1,297,866
Customer Report 12,978,651
80% 80.1% New Order 11,449,557 1,494
Payment 11,449,560
Order Status 1,144,954
Delivery 1,144,956
Stock Level 1,144,957
Customer Report 11,449,562
70% 70.3% New Order 10,038,010 1,494
Payment 10,038,015
Order Status 1,003,802
Delivery 1,003,802
Stock Level 1,003,802
Customer Report 10,038,012
60% 59.9% New Order 8,561,057 1,494
Payment 8,561,058
Order Status 856,106
Delivery 856,107
Stock Level 856,107
Customer Report 8,561,060
50% 50.5% New Order 7,209,423 1,494
Payment 7,209,422
Order Status 720,943
Delivery 720,942
Stock Level 720,943
Customer Report 7,209,421
40% 40.3% New Order 5,761,788 1,494
Payment 5,761,785
Order Status 576,180
Delivery 576,178
Stock Level 576,178
Customer Report 5,761,788
30% 29.9% New Order 4,270,302 1,494
Payment 4,270,304
Order Status 427,031
Delivery 427,030
Stock Level 427,030
Customer Report 4,270,303
20% 19.7% New Order 2,817,730 1,494
Payment 2,817,732
Order Status 281,773
Delivery 281,773
Stock Level 281,773
Customer Report 2,817,730
10% 9.9% New Order 1,418,908 1,494
Payment 1,418,907
Order Status 141,890
Delivery 141,890
Stock Level 141,891
Customer Report 1,418,908
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0